Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations

Filters

Sort byRelevance
Commute time
Locations
Salaries
Date posted
    Type of Company
      Job types

        Related Jobs

        • IT
        • Software Development
        • Management
        • Engineering
        • Design
        • Business
        • Communication
        • Technology
        • Practicality
        • Software Engineer
        • Data Engineer
        • Senior Software Engineer
        • Full Stack Developer
        • Lead Engineer
        • Senior Full Stack Engineer

        show more

        Commute time

        Locations

        Popular searches nearby


        Heathrow
        932









        See all jobs in London Heathrow Airport

        Salaries

        Date posted





        Locations

        634 API jobs in London + 20 miles

        API Developer (APIGEE)

        IO Associates
        London
        £500 - £600 per day
        Title: API Developer (APIGEE) Location: London 4- days per week Contract Length: 6 months (Initially) Day Rate: up to £600 per day (Outside IR35) iO Associates is working with a cloud integration consultancy, who are looking for an experienced API Developer to join them on a year-long contract. * Strong experience with SQL * Expertise in APIGEE * Solid background in C# development * Ability to design, develop, and support APIs for scalable integration projects The role offers the chance to work on impactful projects within a collaborative team, with a focus on delivering scalable and efficient API solutions. Our client is looking to fill this role URGENTLY, and for the right candidate they'll interview early next week! If this sounds of interest, I'd be happy to share more details about the role and the team.
        Title: API Developer (APIGEE) Location: London 4- days per week Contract Length: 6 months (Initially) Day Rate: up to £600 per day (Outside IR35) iO Associates is working with a cloud integration consultancy, who are looking for an experienced API Developer to join them on a year-long contract. * Strong experience with SQL * Expertise in APIGEE * Solid background in C# development * Ability to design, develop, and support APIs for scalable integration projects The role offers the chance to work on impactful projects within a collaborative team, with a focus on delivering scalable and efficient API solutions. Our client is looking to fill this role URGENTLY, and for the right candidate they'll interview early next week! If this sounds of interest, I'd be happy to share more details about the role and the team.
        more
        NEWFEATURED
        Senior JavaScript Engineer / Developer (Vue.js API) London to £100k Do you have expertise with JavaScript? You could be progressing your career in a senior, hands-on Senior JavaScript Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business.
        Senior JavaScript Engineer / Developer (Vue.js API) London to £100k Do you have expertise with JavaScript? You could be progressing your career in a senior, hands-on Senior JavaScript Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business.
        more
        NEWPREMIUM
        Design and buildnext generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables * Design and buildsophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Champion best practicein code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic.
        Design and buildnext generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables * Design and buildsophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Champion best practicein code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic.
        more

        Axway API Developer

        Randstad Digital
        EC1, City of London
        £500 - £650 per day
        6 months contract Inside IR35?? £500 to £650 a day?? Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. The main focus of this role is to design and develop Axway policies while maintaining automated testing and code deployment. You will also be responsible for liaising with stakeholders to define requirements and design comprehensive solutions. * Axway's core products: Policy Studio, API Gateway, and API Manager. * Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. * Data and messaging formats: JSON, XML, SOAP, and REST. * Linux scripting and environments. * Using DevOps toolsets to automate testing and deployments.
        6 months contract Inside IR35?? £500 to £650 a day?? Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. The main focus of this role is to design and develop Axway policies while maintaining automated testing and code deployment. You will also be responsible for liaising with stakeholders to define requirements and design comprehensive solutions. * Axway's core products: Policy Studio, API Gateway, and API Manager. * Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. * Data and messaging formats: JSON, XML, SOAP, and REST. * Linux scripting and environments. * Using DevOps toolsets to automate testing and deployments.
        more
        NEWFEATURED

        Senior Integration Developer

        Hays
        London
        £500.0 - £515.0 per day + up to £515 pd (InsideIR35)
        Up to £515 per day (Inside IR35) Remote / must be UK based 12 months My client is an instantly recognisable consultancy who seek a Senior Integration Developer, with active SC clearance and experience in Microsoft Dynamics 365 Finance, to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Active Security Clearance (SC) * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics.
        Up to £515 per day (Inside IR35) Remote / must be UK based 12 months My client is an instantly recognisable consultancy who seek a Senior Integration Developer, with active SC clearance and experience in Microsoft Dynamics 365 Finance, to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Active Security Clearance (SC) * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics.
        more
        NEW
        £70-90k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance, to develop cutting-edge features that power our platform. * Collaborate with cross-functional teams: Contribute to the development of new features by working alongside engineering, product management, design, and QA teams. * Promote best practices: Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code.
        £70-90k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance, to develop cutting-edge features that power our platform. * Collaborate with cross-functional teams: Contribute to the development of new features by working alongside engineering, product management, design, and QA teams. * Promote best practices: Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code.
        more
        PREMIUM

        Senior Integration Developer

        Hays
        London
        £500.0 - £515.0 per day + up to £515 pd (InsideIR35)
        Up to £515 per day (Inside IR35) Remote / must be UK based 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services
        Up to £515 per day (Inside IR35) Remote / must be UK based 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services
        more
        NEW
        Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.
        Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.
        more
        NEWPREMIUM
        Solution Architect | IoT | Market Leaders | Watford | Hybrid | Centre of Excellence | £85-95,000 | Cloud Solution Architect Watford (Hybrid) Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. Utilising IoT devices and custom built solutions, they are dominating their industry and you could be a part of their ambitious growth trajectory. They're seeking a Solutions Architect to integrate and consolidate processes across the business. We're looking for an experienced Solution Architect to design scalable, secure, and efficient technology solutions. You'll need to assess the current state across the business and design the best solution to unify all areas of the business without system downtime.
        Solution Architect | IoT | Market Leaders | Watford | Hybrid | Centre of Excellence | £85-95,000 | Cloud Solution Architect Watford (Hybrid) Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. Utilising IoT devices and custom built solutions, they are dominating their industry and you could be a part of their ambitious growth trajectory. They're seeking a Solutions Architect to integrate and consolidate processes across the business. We're looking for an experienced Solution Architect to design scalable, secure, and efficient technology solutions. You'll need to assess the current state across the business and design the best solution to unify all areas of the business without system downtime.
        more
        FEATURED

        Mulesoft Technical Lead

        LA International Computer Consultants Ltd
        Lambeth, SE1 7ND
        £700 - £765 per day
        Required: Mulesoft Technical Lead Location: Remote Duration: 12 month initial contract IR35 Status: Inside Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration flows using MuleSoft's Anypoint Studio. Creating & implementing custom connectors and modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions.
        Required: Mulesoft Technical Lead Location: Remote Duration: 12 month initial contract IR35 Status: Inside Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration flows using MuleSoft's Anypoint Studio. Creating & implementing custom connectors and modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions.
        more
        NEW
        Integration Developer with experience of working on large enterprise-scale programmes, ideally in Higher Education, is needed to support a Salesforce Education Cloud, for our higher education client. The role will focus on the integration development using Microsoft Azure PaaS, and support the interim and long-term transition from legacy systems (such as SITS) to cloud-native platforms. Essential Experience * Proven experience as an Integration Developer on enterprise-scale programmes, preferably in Higher Education. * Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models. * Experience of integrating with Salesforce (REST/SOAP APIs, platform events) and Canvas LMS or similar SaaS platforms.
        Integration Developer with experience of working on large enterprise-scale programmes, ideally in Higher Education, is needed to support a Salesforce Education Cloud, for our higher education client. The role will focus on the integration development using Microsoft Azure PaaS, and support the interim and long-term transition from legacy systems (such as SITS) to cloud-native platforms. Essential Experience * Proven experience as an Integration Developer on enterprise-scale programmes, preferably in Higher Education. * Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models. * Experience of integrating with Salesforce (REST/SOAP APIs, platform events) and Canvas LMS or similar SaaS platforms.
        more
        NEW
        We’re looking for a technically skilled, solutions-focused individual to run an entire technical operation solo. This is a highly autonomous role, perfect for someone who thrives on building, managing, and continuously improving the systems that keep a fast-moving business running smoothly. From data pipelines to automation workflows, you will ensure every technical aspect of the business operates efficiently and strategically. * Own all technology systems and processes across the business. * Design, build, and maintain data pipelines integrating POS, kitchen operations, labor, and inventory systems. * Develop and manage dashboards and reporting tools for leadership and operations. * Build and maintain low/no-code automation workflows to streamline operations. * Manage API integrations between platforms.
        We’re looking for a technically skilled, solutions-focused individual to run an entire technical operation solo. This is a highly autonomous role, perfect for someone who thrives on building, managing, and continuously improving the systems that keep a fast-moving business running smoothly. From data pipelines to automation workflows, you will ensure every technical aspect of the business operates efficiently and strategically. * Own all technology systems and processes across the business. * Design, build, and maintain data pipelines integrating POS, kitchen operations, labor, and inventory systems. * Develop and manage dashboards and reporting tools for leadership and operations. * Build and maintain low/no-code automation workflows to streamline operations. * Manage API integrations between platforms.
        more
        NEWFEATURED
        Digital Transformation Manager - Low Code Development and Data Engineering - Full time permanent role - Hybrid (West London 3 days a week) - Salary up to £70,000 plus 25 days holiday and travel paid A successful West London business is currently looking for an experienced Digital Transformation Manager to join its IT function. This exciting new role will focus on the design and development of low code applications as well as data warehouses/pipelines. - Leading on the design and implementation of low-code applications across the Microsoft Power Platform - Improving efficiency through automating solutions - Driving AI strategy - Oversee system enhancements and API integrations - Oversee data engineering process - ETL/ELT pipelines with Azure Data Factory - Drive development of Snowflake Data Warehouse - Team management and leading Data Engineers/Developers
        Digital Transformation Manager - Low Code Development and Data Engineering - Full time permanent role - Hybrid (West London 3 days a week) - Salary up to £70,000 plus 25 days holiday and travel paid A successful West London business is currently looking for an experienced Digital Transformation Manager to join its IT function. This exciting new role will focus on the design and development of low code applications as well as data warehouses/pipelines. - Leading on the design and implementation of low-code applications across the Microsoft Power Platform - Improving efficiency through automating solutions - Driving AI strategy - Oversee system enhancements and API integrations - Oversee data engineering process - ETL/ELT pipelines with Azure Data Factory - Drive development of Snowflake Data Warehouse - Team management and leading Data Engineers/Developers
        more
        FEATURED

        Integration Architect

        Lynx Recruitment Limited
        SW1W, South West London
        From £85,000 to £100,000 per annum
        Lynx Recruitment is currently working with an Award-Winning Tech consultancy who are looking for an Integration Architect to join their talented team. Provide expert advice on Integration Strategy, Architecture, and Design Assess client needs to recommend optimal integration approaches Lead design and implementation of integration solutions and technical blueprints Define and enforce integration standards and best practices Offer technical leadership to Integration Designers and Developers Serve as the primary technical contact for clients Deliver high-level integration designs and architectural documentation Champion integration strategy and thought leadership across clients Manage technology risks to ensure successful delivery Create high-level architectural assets, including API catalogues, application and connectivity models, guiding detailed design
        Lynx Recruitment is currently working with an Award-Winning Tech consultancy who are looking for an Integration Architect to join their talented team. Provide expert advice on Integration Strategy, Architecture, and Design Assess client needs to recommend optimal integration approaches Lead design and implementation of integration solutions and technical blueprints Define and enforce integration standards and best practices Offer technical leadership to Integration Designers and Developers Serve as the primary technical contact for clients Deliver high-level integration designs and architectural documentation Champion integration strategy and thought leadership across clients Manage technology risks to ensure successful delivery Create high-level architectural assets, including API catalogues, application and connectivity models, guiding detailed design
        more
        What We Do We're fixing time-off management. The Role We're looking for a bright graduate software engineer to join our team and help build the future of workplace tools. This is a genuine opportunity to work on real products, learn from experienced developers, and make meaningful contributions from day one. Remote-friendly with occasional in-person collaboration. What You'll Do * Build features for our time-off management platform * Work across our full stack: backend APIs to frontend interfaces * Learn modern development practices in a real-world environment * Collaborate with our team to solve actual customer problems * Take ownership of projects and see your code go live What We're Looking For * Degree in Computer Science, Engineering, or related field * Must have right to work in the UK * ASP.NET Web API * Next JS * Postgres * React * Containerized deployments
        What We Do We're fixing time-off management. The Role We're looking for a bright graduate software engineer to join our team and help build the future of workplace tools. This is a genuine opportunity to work on real products, learn from experienced developers, and make meaningful contributions from day one. Remote-friendly with occasional in-person collaboration. What You'll Do * Build features for our time-off management platform * Work across our full stack: backend APIs to frontend interfaces * Learn modern development practices in a real-world environment * Collaborate with our team to solve actual customer problems * Take ownership of projects and see your code go live What We're Looking For * Degree in Computer Science, Engineering, or related field * Must have right to work in the UK * ASP.NET Web API * Next JS * Postgres * React * Containerized deployments
        more
        NEW
        Your new company An opportunity has arisen to join a company that build platforms for mental health professionals and gives employers clear insights into engagement and outcomes. They are looking to expand globally and supporting more time zones and languages. They partner closely with an engineering partner and are now looking for a Technical Business Analyst/ Product Engineer to join the organisation as they part of their growth plans. Your new role They are looking to bring in a Technical BA/ Product Engineer to help them to provide the bridge between product strategy and technical execution, ensuring clear requirements, crisp acceptance criteria and zero ambiguity in hand-offs. The Technical BA/ Product Engineer will also help to reduce dependency risk by capturing and sharing system knowledge as the organisation migrate and scale.
        Your new company An opportunity has arisen to join a company that build platforms for mental health professionals and gives employers clear insights into engagement and outcomes. They are looking to expand globally and supporting more time zones and languages. They partner closely with an engineering partner and are now looking for a Technical Business Analyst/ Product Engineer to join the organisation as they part of their growth plans. Your new role They are looking to bring in a Technical BA/ Product Engineer to help them to provide the bridge between product strategy and technical execution, ensuring clear requirements, crisp acceptance criteria and zero ambiguity in hand-offs. The Technical BA/ Product Engineer will also help to reduce dependency risk by capturing and sharing system knowledge as the organisation migrate and scale.
        more
        NEW
        Your new role We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Alongside this, you will configure authentication (eg OAuth with Entra ID) and monitor integration jobs for status and failures as well as integrating with Azure services (Logic Apps, Blob Storage) for file-based or hybrid flows if needed. Finally, you will be testing end-to-end scenarios, optimise for high-volume data and ensure audit compliance. What you'll need to succeed Solid D365 Finance integrations, with hands-on use of REST APIs, DMF packages, and OData endpoints.
        Your new role We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Alongside this, you will configure authentication (eg OAuth with Entra ID) and monitor integration jobs for status and failures as well as integrating with Azure services (Logic Apps, Blob Storage) for file-based or hybrid flows if needed. Finally, you will be testing end-to-end scenarios, optimise for high-volume data and ensure audit compliance. What you'll need to succeed Solid D365 Finance integrations, with hands-on use of REST APIs, DMF packages, and OData endpoints.
        more
        NEW
        Location: UK-wide - Remote based. Employment Type: Permanent Salary: £75,000 - £85,000 per annum, dependent on experience Context Recruitment is working in partnership with a leading IT Services provider to appoint a skilled Full Stack Python Developer with demonstrable experience in data engineering. This role offers the opportunity to contribute to innovative cloud and data-driven projects within a collaborative and forward-thinking technical environment. * Design, build and maintain full-stack applications using Python (Django, Flask or FastAPI) and modern JavaScript frameworks (such as React, Vue or Angular) * Develop and optimise ETL pipelines, data workflows and API integrations * Collaborate with data engineers and analysts to ensure efficient data architecture and accessibility * Work with relational and non-relational databases (e.g. PostgreSQL, MongoDB)
        Location: UK-wide - Remote based. Employment Type: Permanent Salary: £75,000 - £85,000 per annum, dependent on experience Context Recruitment is working in partnership with a leading IT Services provider to appoint a skilled Full Stack Python Developer with demonstrable experience in data engineering. This role offers the opportunity to contribute to innovative cloud and data-driven projects within a collaborative and forward-thinking technical environment. * Design, build and maintain full-stack applications using Python (Django, Flask or FastAPI) and modern JavaScript frameworks (such as React, Vue or Angular) * Develop and optimise ETL pipelines, data workflows and API integrations * Collaborate with data engineers and analysts to ensure efficient data architecture and accessibility * Work with relational and non-relational databases (e.g. PostgreSQL, MongoDB)
        more
        About the Role We are looking for an experienced Senior Microsoft Dynamics 365 CRM Developer with strong expertise in MS Dynamics 365, Azure, and CRM customizations. The ideal candidate will have a proven track record of delivering end-to-end CRM solutions, leading teams, and driving best practices in CRM implementation and support. Key Responsibilities * Design, develop, and implement Microsoft Dynamics 365 CE Online solutions (Sales, Marketing, Service modules). * Develop and customize CRM plugins, workflows, Power Automate flows, and BPFs to support business processes. * Work with Azure Functions and integrate Dynamics CRM with third-party systems via Web APIs. * Perform Dataverse customizations, SQL queries, and CRUD operations using REST/Web API calls. * Build, test, and maintain C# .NET components using TDD approach.
        About the Role We are looking for an experienced Senior Microsoft Dynamics 365 CRM Developer with strong expertise in MS Dynamics 365, Azure, and CRM customizations. The ideal candidate will have a proven track record of delivering end-to-end CRM solutions, leading teams, and driving best practices in CRM implementation and support. Key Responsibilities * Design, develop, and implement Microsoft Dynamics 365 CE Online solutions (Sales, Marketing, Service modules). * Develop and customize CRM plugins, workflows, Power Automate flows, and BPFs to support business processes. * Work with Azure Functions and integrate Dynamics CRM with third-party systems via Web APIs. * Perform Dataverse customizations, SQL queries, and CRUD operations using REST/Web API calls. * Build, test, and maintain C# .NET components using TDD approach.
        more
        NEW

        Senior .NET Integration Developer

        Oscar Associates (UK) Limited
        SL6, Maidenhead
        £50000 - £65000 per annum
        We have partnered with an exciting SaaS company who are looking for a Senior .NET Integration Developer to join their growing team. You will be developing and maintaining robust integrations with third party systems such as financial services, telematics platforms and mapping APIs. * Develop and maintain secure, well-documented financial and third-party integrations. * Enhance the integration framework for scalability, performance, and industry alignment. * Assist customers and partners in integration setup and API/gateway usage. * Support and expand integrations for features like event tracking and CO2 reporting. * Ensure integration development aligns with modern security and GDPR standards. * Implement structured logging, monitoring, and documentation. * Contribute to internal knowledge bases and explore automation tools (Power Automate, Zapier).
        We have partnered with an exciting SaaS company who are looking for a Senior .NET Integration Developer to join their growing team. You will be developing and maintaining robust integrations with third party systems such as financial services, telematics platforms and mapping APIs. * Develop and maintain secure, well-documented financial and third-party integrations. * Enhance the integration framework for scalability, performance, and industry alignment. * Assist customers and partners in integration setup and API/gateway usage. * Support and expand integrations for features like event tracking and CO2 reporting. * Ensure integration development aligns with modern security and GDPR standards. * Implement structured logging, monitoring, and documentation. * Contribute to internal knowledge bases and explore automation tools (Power Automate, Zapier).
        more
        FEATURED
        SC Cleared ServiceNow/SNOW Developer - 3-6 months - £400-480pd Inside IR35 - London (Hybrid) My client are a Global Consultancy who are looking for a ServiceNow Developer to design, develop, and maintain solutions on the ServiceNow platform. You will work closely with business analysts, architects, and stakeholders to deliver high-quality applications and workflows that support business objectives and improve service delivery. Key Responsibilities * Develop and configure ServiceNow's SPM suite, applications, modules, and workflows across ITSM, ITOM, HRSD, and other areas. * Create and maintain business rules, client scripts, UI policies, flows, and integrations. * Collaborate with stakeholders to gather requirements and translate them into technical solutions. * Participate in Agile development cycles, including sprint planning, reviews, and retrospectives.
        SC Cleared ServiceNow/SNOW Developer - 3-6 months - £400-480pd Inside IR35 - London (Hybrid) My client are a Global Consultancy who are looking for a ServiceNow Developer to design, develop, and maintain solutions on the ServiceNow platform. You will work closely with business analysts, architects, and stakeholders to deliver high-quality applications and workflows that support business objectives and improve service delivery. Key Responsibilities * Develop and configure ServiceNow's SPM suite, applications, modules, and workflows across ITSM, ITOM, HRSD, and other areas. * Create and maintain business rules, client scripts, UI policies, flows, and integrations. * Collaborate with stakeholders to gather requirements and translate them into technical solutions. * Participate in Agile development cycles, including sprint planning, reviews, and retrospectives.
        more

        Data Engineer - AI Projects

        Henderson Scott
        Stevenage, Hertfordshire, SG1 2DA
        £50000.00 - £55000.00 per annum + Bonus, + Substantial Benefits
        Data Engineer - Generative AI Projects?? Hybrid | 2-3 Days On-Site | Up to £55,000 + Bonus + Package?? British Citizens Only | BPSS Clearance Required We're hiring a Data Engineer with a passion for automation, clean pipelines, and the future of AI. This is your chance to shape how data powers Generative AI and NLP tools in a secure, high-tech organisation working on projects that matter. If you're keen to work on innovative internal use-cases - from AI assistants to intelligent search and document automation - this is the perfect next step. What You'll Be Doing * Building and maintaining data pipelines across structured & unstructured sources * Collaborating with internal teams to support Generative AI and NLP projects * Ensuring data is secure, compliant, high-quality, and easy to access * Bringing your ideas to the table as we explore new tools and technologies
        Data Engineer - Generative AI Projects?? Hybrid | 2-3 Days On-Site | Up to £55,000 + Bonus + Package?? British Citizens Only | BPSS Clearance Required We're hiring a Data Engineer with a passion for automation, clean pipelines, and the future of AI. This is your chance to shape how data powers Generative AI and NLP tools in a secure, high-tech organisation working on projects that matter. If you're keen to work on innovative internal use-cases - from AI assistants to intelligent search and document automation - this is the perfect next step. What You'll Be Doing * Building and maintaining data pipelines across structured & unstructured sources * Collaborating with internal teams to support Generative AI and NLP projects * Ensuring data is secure, compliant, high-quality, and easy to access * Bringing your ideas to the table as we explore new tools and technologies
        more
        NEWFEATURED
        PowerBI Specialist (Contract) | £350-£450 p/day (Outside IR35) | 3 Months (strong possibility of extension) | ASAP We're hiring on behalf of a fast-growing SaaS company that's looking for an experienced Power BI Specialist to take ownership of their reporting environment. This is a fully remote contract role, starting immediately. The client has a strong BI foundation in place, but they're now looking for someone who can streamline reporting, reduce maintenance, and optimise their use of Power BI at scale. Right now, customer-specific reports are managed individually (e.g. 45+ reports needing updates when a change is made). They want to consolidate, automate, and improve efficiency across their reporting suite.
        PowerBI Specialist (Contract) | £350-£450 p/day (Outside IR35) | 3 Months (strong possibility of extension) | ASAP We're hiring on behalf of a fast-growing SaaS company that's looking for an experienced Power BI Specialist to take ownership of their reporting environment. This is a fully remote contract role, starting immediately. The client has a strong BI foundation in place, but they're now looking for someone who can streamline reporting, reduce maintenance, and optimise their use of Power BI at scale. Right now, customer-specific reports are managed individually (e.g. 45+ reports needing updates when a change is made). They want to consolidate, automate, and improve efficiency across their reporting suite.
        more
        NEWFEATURED
        Contract: Automated Test Engineer (SFIA 5) Rate: £400/day | Outside IR35 | Duration: 12 months Security Clearance: NPPV2 / NPPV3 We are seeking an experienced Automated Test Engineer to design and implement automated testing frameworks for complex systems. You will ensure both functional and non-functional requirements are met, working closely with stakeholders to deliver high-quality solutions in a fully remote, agile environment. * Develop and enhance automated testing across all stages of product, system, and service development. * Collaborate with stakeholders to define requirements, acceptance criteria, and ensure robust test coverage. * Implement automation-first strategies and best practices for repeatable, efficient testing. * Identify and adopt tools, techniques, and processes to strengthen testing frameworks.
        Contract: Automated Test Engineer (SFIA 5) Rate: £400/day | Outside IR35 | Duration: 12 months Security Clearance: NPPV2 / NPPV3 We are seeking an experienced Automated Test Engineer to design and implement automated testing frameworks for complex systems. You will ensure both functional and non-functional requirements are met, working closely with stakeholders to deliver high-quality solutions in a fully remote, agile environment. * Develop and enhance automated testing across all stages of product, system, and service development. * Collaborate with stakeholders to define requirements, acceptance criteria, and ensure robust test coverage. * Implement automation-first strategies and best practices for repeatable, efficient testing. * Identify and adopt tools, techniques, and processes to strengthen testing frameworks.
        more
        NEWFEATURED
        London (Hybrid) Up to £60,000 + Benefits Method Resourcing are proud to be partnering with an Artificial Intelligence company based in London, who have a fantastic opportunity for a React Native Developer to join their growing team! In this position you would be joining a small but ambitious team who are building the mobile version of their web applications. You'll be working closely with the Engineering Manager to design, build and deliver high-quality mobile applications. We're looking for someone who has good experience with React Native but also understands the nuances of building performant, user-friendly mobile experiences. * Prior experience with React Native is essential to be considered * Good understanding of JavaScript/Typescript and mobile development best practices * Experience working with REST and GraphQL API's
        London (Hybrid) Up to £60,000 + Benefits Method Resourcing are proud to be partnering with an Artificial Intelligence company based in London, who have a fantastic opportunity for a React Native Developer to join their growing team! In this position you would be joining a small but ambitious team who are building the mobile version of their web applications. You'll be working closely with the Engineering Manager to design, build and deliver high-quality mobile applications. We're looking for someone who has good experience with React Native but also understands the nuances of building performant, user-friendly mobile experiences. * Prior experience with React Native is essential to be considered * Good understanding of JavaScript/Typescript and mobile development best practices * Experience working with REST and GraphQL API's
        more
        FEATURED

        Related Jobs


        show more

        What is the average salary for API in London?

        Average salary per year
        £72,499

        The average salary for a API in London is £72,499. API in London salaries range from £62,499 to £87,499.

        Frequently Asked Questions

        How many API jobs are there in London?
        There are 634 API jobs within 20 miles of London available on Jobsite right now.

        Where in London are these jobs?
        You can find jobs in City of London, Central London, West End.

        What other similar jobs are there to API jobs in London?
        As well as API jobs in London, you can find IT, Software Development, Management, amongst many others.

        How many temporary and part-time API jobs are available in London?
        There are 4 temporary API jobs and 24 part-time API jobs available in London at the moment.