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        616 Contract API jobs in South East + 20 miles

        Senior Full Stack Developer JavaScript Python API

        Client Server
        W6, West London
        £85000 - £100000 per annum
        Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer 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 Full Stack Developer 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 Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer 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 Full Stack Developer 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.
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        NEWPREMIUM
        We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
        We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
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        NEWFEATURED
        Up to £515 per day (Inside IR35) Remote / must be UK based 12 months We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * Experience in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
        Up to £515 per day (Inside IR35) Remote / must be UK based 12 months We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * Experience in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
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        NEW
        Up to £515 per day (Inside IR35) Remote / must be UK based 12 months We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * 5+ years in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
        Up to £515 per day (Inside IR35) Remote / must be UK based 12 months We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * 5+ years in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
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        NEW
        AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking.
        AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking.
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        NEWFEATURED
        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.
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        Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and Inside IR35 You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation API authentication methods
        Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and Inside IR35 You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation API authentication methods
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        NEW

        Full Stack Python Engineer

        Spectrum It Recruitment Limited
        PO14, Fareham
        £30000 - £55000 per annum + plus benefits
        * Python, Django, HTML, CSS, TypeScript, * Salary £30k - £55k plus benefits * In office role based in Fareham, Hampshire. Please only apply if you are able to get to Fareham or if you are happy to relocate to the south. An established company who are embedded within one of the UK's most innovative and established tech hubs - fully funded, well equipped and well prepared to launch their latest tech incarnation - a pet tag tracking service with a unique proposition set to disrupt the sector. This is not the first start-up this company has launched; their wealthy owners have been doing this for 10+ years and can demonstrate £mm income from several of their previous creations. As such they have an amazing office in Fareham (near Whiteley) with a no expense spared look and feel.
        * Python, Django, HTML, CSS, TypeScript, * Salary £30k - £55k plus benefits * In office role based in Fareham, Hampshire. Please only apply if you are able to get to Fareham or if you are happy to relocate to the south. An established company who are embedded within one of the UK's most innovative and established tech hubs - fully funded, well equipped and well prepared to launch their latest tech incarnation - a pet tag tracking service with a unique proposition set to disrupt the sector. This is not the first start-up this company has launched; their wealthy owners have been doing this for 10+ years and can demonstrate £mm income from several of their previous creations. As such they have an amazing office in Fareham (near Whiteley) with a no expense spared look and feel.
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        NEW
        Company Description Why does this matter? Because our platform makes trading fixed-income more accessible, ultimately improving transparency, efficiency, and competition in the marketplace. Changing the way an established industry transacts is no easy feat. There will be twists and turns, because no ones ever done this before. But now, more than 2,000 clients around the world rely on our solutions, and that number is only expected to grow in the years ahead. We know where were going. How we get there is up to us. Join us and help Take Us There. The Role We are seeking an engineer for the EU Customer Integration (CI) group. The primary responsibility of the CI group is to work with broker-dealers and institutional clients to help them integrate their systems to the MarketAxess Fixed Income trading system via Application Programming Interfaces (API).
        Company Description Why does this matter? Because our platform makes trading fixed-income more accessible, ultimately improving transparency, efficiency, and competition in the marketplace. Changing the way an established industry transacts is no easy feat. There will be twists and turns, because no ones ever done this before. But now, more than 2,000 clients around the world rely on our solutions, and that number is only expected to grow in the years ahead. We know where were going. How we get there is up to us. Join us and help Take Us There. The Role We are seeking an engineer for the EU Customer Integration (CI) group. The primary responsibility of the CI group is to work with broker-dealers and institutional clients to help them integrate their systems to the MarketAxess Fixed Income trading system via Application Programming Interfaces (API).
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        NEW
        ServiceNow Automation Analyst - SC Cleared Location: London / Gloucester / Warrington (Hybrid) Duration: 6 Months (Contract) Day Rate: £382.50 (Inside IR35) Start Date: ASAP Clearance Required: Security Clearance - Mandatory About the Role We are seeking an experienced ServiceNow Automation Analyst to join our team on a 6-month contract. You will be responsible for analysing, designing, developing, and implementing automation solutions within the ServiceNow platform, enhancing IT service delivery, operational efficiency, and user experience. This is a hands-on technical role requiring strong ServiceNow development skills, automation expertise, and the ability to collaborate effectively with stakeholders across IT and business units. Key Responsibilities Collaborate with IT and business stakeholders to gather and analyse automation requirements.
        ServiceNow Automation Analyst - SC Cleared Location: London / Gloucester / Warrington (Hybrid) Duration: 6 Months (Contract) Day Rate: £382.50 (Inside IR35) Start Date: ASAP Clearance Required: Security Clearance - Mandatory About the Role We are seeking an experienced ServiceNow Automation Analyst to join our team on a 6-month contract. You will be responsible for analysing, designing, developing, and implementing automation solutions within the ServiceNow platform, enhancing IT service delivery, operational efficiency, and user experience. This is a hands-on technical role requiring strong ServiceNow development skills, automation expertise, and the ability to collaborate effectively with stakeholders across IT and business units. Key Responsibilities Collaborate with IT and business stakeholders to gather and analyse automation requirements.
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        NEW
        Job Title: Senior Developer Location:Osterley, UK (Hybrid) Duration: 6 months-Extendable * Architect, develop, and maintain scalable TypeScript/Node.js services and GraphQL APIs. * Write resilient, maintainable code with a strong focus on automated testing (unit, integration, functional, end-to-end, visual regression, Lighthouse). * Collaborate on DevOps practices: CI/CD (Jenkins, Concourse), containerisation, Helm chart authoring, and Kubernetes deployments. * Work within a cross-functional Agile team, contributing to technical direction, code reviews, and process improvements. * Ensure code is performant, secure, observable, and aligned with best practices. * Mentor and support junior developers, fostering a culture of technical excellence. * Extensive experience with TypeScript and Node.js in production environments.
        Job Title: Senior Developer Location:Osterley, UK (Hybrid) Duration: 6 months-Extendable * Architect, develop, and maintain scalable TypeScript/Node.js services and GraphQL APIs. * Write resilient, maintainable code with a strong focus on automated testing (unit, integration, functional, end-to-end, visual regression, Lighthouse). * Collaborate on DevOps practices: CI/CD (Jenkins, Concourse), containerisation, Helm chart authoring, and Kubernetes deployments. * Work within a cross-functional Agile team, contributing to technical direction, code reviews, and process improvements. * Ensure code is performant, secure, observable, and aligned with best practices. * Mentor and support junior developers, fostering a culture of technical excellence. * Extensive experience with TypeScript and Node.js in production environments.
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        Role Title: Security Engineer Duration: 6 Months Location: London (2-3 Days onsite) Rate: £650 Per day - Umbrella only Would you like to join a global leader in consulting, technology services and digital transformation? Our client is at the forefront of innovation to address the entire breadth of opportunities in the evolving world of cloud, digital and platforms. Role purpose / summary * SSPM or CSPM knowledge, policies, and configurations * API knowledge - CSPM integration with other tools using APIs * ServiceNow and/or O365 experience and security aspects of these applications * Docker experience on both windows and Unix * CSPM experience with AppOmni or other native Microsoft tools * SIEM integration * Hands on Unix or Windows skills * Infrastructure as a Code (IaC), ARM, CloudFormation, Terraform, GIT experience * Excellent documentation skills
        Role Title: Security Engineer Duration: 6 Months Location: London (2-3 Days onsite) Rate: £650 Per day - Umbrella only Would you like to join a global leader in consulting, technology services and digital transformation? Our client is at the forefront of innovation to address the entire breadth of opportunities in the evolving world of cloud, digital and platforms. Role purpose / summary * SSPM or CSPM knowledge, policies, and configurations * API knowledge - CSPM integration with other tools using APIs * ServiceNow and/or O365 experience and security aspects of these applications * Docker experience on both windows and Unix * CSPM experience with AppOmni or other native Microsoft tools * SIEM integration * Hands on Unix or Windows skills * Infrastructure as a Code (IaC), ARM, CloudFormation, Terraform, GIT experience * Excellent documentation skills
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        PREMIUM
        We are looking for a talented SAP Integration Lead to join our clients team. In this role, you will design, implement, and maintain integrated systems that meet our clients' needs. You will work closely with various departments to ensure seamless integration of software, hardware, and enterprise platforms such as SAP ERP. • Design Integration Solutions: Develop robust integration frameworks for diverse systems and applications, including ERP platforms like SAP. • Collaborate with Teams: Work alongside software developers, architects, and project managers to gather and define integration requirements. • Implement and Test: Execute integration solutions and perform thorough testing to ensure optimal functionality and performance. • Monitor and Troubleshoot: Continuously oversee system integrations, identify issues, and provide prompt resolutions.
        We are looking for a talented SAP Integration Lead to join our clients team. In this role, you will design, implement, and maintain integrated systems that meet our clients' needs. You will work closely with various departments to ensure seamless integration of software, hardware, and enterprise platforms such as SAP ERP. • Design Integration Solutions: Develop robust integration frameworks for diverse systems and applications, including ERP platforms like SAP. • Collaborate with Teams: Work alongside software developers, architects, and project managers to gather and define integration requirements. • Implement and Test: Execute integration solutions and perform thorough testing to ensure optimal functionality and performance. • Monitor and Troubleshoot: Continuously oversee system integrations, identify issues, and provide prompt resolutions.
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        NEW

        Lead AI Engineer

        Change-IT Consulting Ltd
        London
        From £700 to £750 per day
        Lead Applied AI Engineer 6 Months Hybrid between London, Bristol or Manchester INSIDE IR35 £700-£750 per day Change-IT are looking for a Lead AI Engineer to join a large central government organisation based in London. This role is for 6 months initially, with possibility of extension. This role is INSIDE IR35, paying between £700-£750 per day dependent on experience. * Proficiency in Python. * Working in dynamic environments and navigating ambiguity, prioritising ruthlessly where necessary * Have a humble attitude and an eagerness to help others with empathy * Passion for building products that augment human capabilities and improves citizens lives. * Experience with natural language processing, deep learning and generative AI. * Familiarity with tools for working with Large Language Models via API or in a local context (e.g. HuggingFace transformers).
        Lead Applied AI Engineer 6 Months Hybrid between London, Bristol or Manchester INSIDE IR35 £700-£750 per day Change-IT are looking for a Lead AI Engineer to join a large central government organisation based in London. This role is for 6 months initially, with possibility of extension. This role is INSIDE IR35, paying between £700-£750 per day dependent on experience. * Proficiency in Python. * Working in dynamic environments and navigating ambiguity, prioritising ruthlessly where necessary * Have a humble attitude and an eagerness to help others with empathy * Passion for building products that augment human capabilities and improves citizens lives. * Experience with natural language processing, deep learning and generative AI. * Familiarity with tools for working with Large Language Models via API or in a local context (e.g. HuggingFace transformers).
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        NEW
        About this role EMEA Head of Aladdin Client Engagement (ACE) Role purpose Lead the EMEA Aladdin Client Engagement (ACE) organization to grow, retain and deepen client relationships across the region by delivering measurable client outcomes, increasing adoption of Aladdin and eFront capabilities, and driving commercial expansion (harvesting) in partnership with Product, Services and Sales. The role sets regional strategy, oversees senior relationship management (SRM) and Value Delivery, and ensures consistent governance with C-suite stakeholders at our largest clients. Key responsibilities 1) Client leadership & executive governance * Own executive relationships across the Strategic/Marquee EMEA book; run quarterly / semi-annual governance, and host ACE Executive Summits to align roadmaps and unlock value.
        About this role EMEA Head of Aladdin Client Engagement (ACE) Role purpose Lead the EMEA Aladdin Client Engagement (ACE) organization to grow, retain and deepen client relationships across the region by delivering measurable client outcomes, increasing adoption of Aladdin and eFront capabilities, and driving commercial expansion (harvesting) in partnership with Product, Services and Sales. The role sets regional strategy, oversees senior relationship management (SRM) and Value Delivery, and ensures consistent governance with C-suite stakeholders at our largest clients. Key responsibilities 1) Client leadership & executive governance * Own executive relationships across the Strategic/Marquee EMEA book; run quarterly / semi-annual governance, and host ACE Executive Summits to align roadmaps and unlock value.
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        NEW
        6-month contract Outside IR35 - £475 per day Hybrid - 2 days a week in the London Office We are seeking a highly capable, hands-on .NET Contractor to deliver high-quality solutions at pace. You will work with a modern .NET codebase (≥ .NET 8.0), occasionally interpreting Java to support .NET implementations. This role suits someone who is delivery-focused, practical, and confident working across platforms. Key Responsibilities * Deliver clean, maintainable, and testable C#/.NET code to a high standard. * Quickly turn around features and tasks without compromising quality. * Interpret existing Java code where required. * Collaborate with SMEs and the Engineering Lead to align with scope and priorities. * Own tasks end-to-end, from requirements to production release, with minimal supervision. Skills & Experience
        6-month contract Outside IR35 - £475 per day Hybrid - 2 days a week in the London Office We are seeking a highly capable, hands-on .NET Contractor to deliver high-quality solutions at pace. You will work with a modern .NET codebase (≥ .NET 8.0), occasionally interpreting Java to support .NET implementations. This role suits someone who is delivery-focused, practical, and confident working across platforms. Key Responsibilities * Deliver clean, maintainable, and testable C#/.NET code to a high standard. * Quickly turn around features and tasks without compromising quality. * Interpret existing Java code where required. * Collaborate with SMEs and the Engineering Lead to align with scope and priorities. * Own tasks end-to-end, from requirements to production release, with minimal supervision. Skills & Experience
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        NEW
        Permanent Location: UK - Remote Salary: £70,000 - £80,000 (+ benefits) Skills: Team Management, Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We're recruiting a Lead Automation Tester for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Automation Engineer with proven team leadership or management experience to take ownership of automation practices and guide a small, skilled team. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban
        Permanent Location: UK - Remote Salary: £70,000 - £80,000 (+ benefits) Skills: Team Management, Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We're recruiting a Lead Automation Tester for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Automation Engineer with proven team leadership or management experience to take ownership of automation practices and guide a small, skilled team. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban
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        NEW

        SuiteCRM Developer - Remote - Inside IR35

        The Bridge (IT Recruitment) Limited
        Greenwich, SE10 0AA
        £430 - 450 per day
        This is a fantastic opportunity to work as a contract SuiteCRM Developer on a remote contract, inside IR35. This SuiteCRM Developer will be asked to deliver customisation, integration, and ongoing support for their CRM platform. * SuiteCRM or SugarCRM * PHP * CRM databases * Git * APIs If you do have the relevant experience for this contract SuiteCRM Developer position, please do apply.
        This is a fantastic opportunity to work as a contract SuiteCRM Developer on a remote contract, inside IR35. This SuiteCRM Developer will be asked to deliver customisation, integration, and ongoing support for their CRM platform. * SuiteCRM or SugarCRM * PHP * CRM databases * Git * APIs If you do have the relevant experience for this contract SuiteCRM Developer position, please do apply.
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        NEW
        This is a fantastic opportunity to work as a contract SuiteCRM Developer on a remote contract, inside IR35. This SuiteCRM Developer will be asked to deliver customisation, integration, and ongoing support for their CRM platform. * SuiteCRM or SugarCRM * PHP * CRM databases * Git * APIs If you do have the relevant experience for this contract SuiteCRM Developer position, please do apply.
        This is a fantastic opportunity to work as a contract SuiteCRM Developer on a remote contract, inside IR35. This SuiteCRM Developer will be asked to deliver customisation, integration, and ongoing support for their CRM platform. * SuiteCRM or SugarCRM * PHP * CRM databases * Git * APIs If you do have the relevant experience for this contract SuiteCRM Developer position, please do apply.
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        NEW
        Automation Tester Permanent Location: UK - Remote Salary: £55,000 - £65,000 (+ benefits) Skills: Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We are looking to recruit an Automation Tester for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows * CI/CD pipelines and debugging expertise * BDD frameworks such as Cucumber
        Automation Tester Permanent Location: UK - Remote Salary: £55,000 - £65,000 (+ benefits) Skills: Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We are looking to recruit an Automation Tester for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows * CI/CD pipelines and debugging expertise * BDD frameworks such as Cucumber
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        NEW

        Camunda Developer

        Stott & May Professional Search Limited
        London
        £340 - £382.50 per day
        Location: London (Hybrid - 2-3 days on-site) Duration: Until 31st December 2026 Day Rate: £382.50 (Inside IR35) About the Role We are seeking an experienced Camunda Developer to design, develop, and deploy business process automation solutions using the Camunda BPM platform. This role is pivotal in building scalable, process-driven applications that streamline business workflows and decision-making. You will collaborate closely with business analysts, architects, and developers to deliver high-quality workflow orchestration solutions. This long-term contract offers the opportunity to work on large-scale digital transformation initiatives within a secure environment. Key Responsibilities Design and implement BPMN workflows and DMN decision tables using Camunda. Develop custom Java delegates and external task workers.
        Location: London (Hybrid - 2-3 days on-site) Duration: Until 31st December 2026 Day Rate: £382.50 (Inside IR35) About the Role We are seeking an experienced Camunda Developer to design, develop, and deploy business process automation solutions using the Camunda BPM platform. This role is pivotal in building scalable, process-driven applications that streamline business workflows and decision-making. You will collaborate closely with business analysts, architects, and developers to deliver high-quality workflow orchestration solutions. This long-term contract offers the opportunity to work on large-scale digital transformation initiatives within a secure environment. Key Responsibilities Design and implement BPMN workflows and DMN decision tables using Camunda. Develop custom Java delegates and external task workers.
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        NEW

        DevSecOps Engineer

        Anson Mccade
        South East
        GBP 55,000.00 - 75,000.00 per year;GBP 70,000.00 per year
        £55,000 - £75,000 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role: DevSecOps Engineer Location: London (Hybrid) Salary: up to £70,000 per annum About the Role Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established frameworks
        £55,000 - £75,000 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role: DevSecOps Engineer Location: London (Hybrid) Salary: up to £70,000 per annum About the Role Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established frameworks
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        NEWPREMIUM
        Fully Remote - UK 3 Month Contract Rate: £450 - £500 (Inside IR35) We are looking to recruit a Golang Backend Developer for a global software organisation on an initial 3 month contract. This is an excellent opportunity to contribute to high-performance backend systems in a collaborative environment and make a tangible impact on scalable, secure products. * Write clean, maintainable, and high-quality Go code following best practices. * Design, develop, and maintain large-scale backend systems with a focus on performance, reliability, and scalability. * Build and maintain API-based interfaces, ensuring security and compliance with industry standards. * Collaborate with cross-functional teams to understand requirements and translate them into technical solutions. * Participate in code reviews, provide constructive feedback, and help raise engineering standards.
        Fully Remote - UK 3 Month Contract Rate: £450 - £500 (Inside IR35) We are looking to recruit a Golang Backend Developer for a global software organisation on an initial 3 month contract. This is an excellent opportunity to contribute to high-performance backend systems in a collaborative environment and make a tangible impact on scalable, secure products. * Write clean, maintainable, and high-quality Go code following best practices. * Design, develop, and maintain large-scale backend systems with a focus on performance, reliability, and scalability. * Build and maintain API-based interfaces, ensuring security and compliance with industry standards. * Collaborate with cross-functional teams to understand requirements and translate them into technical solutions. * Participate in code reviews, provide constructive feedback, and help raise engineering standards.
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        Java Developer - Active SC

        Hays
        London
        £600.0 - £640.0 per day + up to £640 pd (Inside IR35)
        Up to £640 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. * Proven experience working as a Lead Java Developer within the public sector * Active Security Clearance (SC) * Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries * Spring Boot: Expert in building RESTful APIs and microservices * AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) * Kafka / Messaging Systems: Expertise in building event-driven architectures * SQL: Strong experience with relational databases and query optimization * REST / JSON APIs: Designing, developing, and consuming scalable APIs * Docker: Proficiency in containerizing applications for local and cloud environments
        Up to £640 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. * Proven experience working as a Lead Java Developer within the public sector * Active Security Clearance (SC) * Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries * Spring Boot: Expert in building RESTful APIs and microservices * AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) * Kafka / Messaging Systems: Expertise in building event-driven architectures * SQL: Strong experience with relational databases and query optimization * REST / JSON APIs: Designing, developing, and consuming scalable APIs * Docker: Proficiency in containerizing applications for local and cloud environments
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        NEW
        Contract / Outside IR35 A leading UK-based organisation is undergoing a strategic transformation of its enterprise systems, with Workday at the core of its HR and finance operations. We're seeking a Lead Integration Architect to design and oversee the integration landscape, ensuring seamless data flows across platforms using Workato. Key Responsibilities * Define and lead integration architecture across Workday and other enterprise platforms * Develop scalable, reusable integration patterns using Workato and other middleware tools * Ensure alignment with enterprise architecture principles and IT governance * Collaborate with Workday implementation teams to ensure integration readiness * Design and implement data flows between Workday and legacy systems * Support data migration, validation, and reconciliation * Own Workato platform governance, performance, and roadmap
        Contract / Outside IR35 A leading UK-based organisation is undergoing a strategic transformation of its enterprise systems, with Workday at the core of its HR and finance operations. We're seeking a Lead Integration Architect to design and oversee the integration landscape, ensuring seamless data flows across platforms using Workato. Key Responsibilities * Define and lead integration architecture across Workday and other enterprise platforms * Develop scalable, reusable integration patterns using Workato and other middleware tools * Ensure alignment with enterprise architecture principles and IT governance * Collaborate with Workday implementation teams to ensure integration readiness * Design and implement data flows between Workday and legacy systems * Support data migration, validation, and reconciliation * Own Workato platform governance, performance, and roadmap
        more
        NEW

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        What is the average salary for API in South East?

        Average salary per year
        £67,499

        The average salary for a API in South East is £67,499. API in South East salaries range from £52,499 to £82,499.

        Frequently Asked Questions

        How many contract API jobs are there in South East?
        There are 616 contract API jobs within 20 miles of South East available on Jobsite right now.

        Where in South East are these contract jobs?
        You can find contract jobs in London, Oxfordshire, Berkshire.

        What other similar jobs are there to contract API jobs in South East?
        As well as contract API jobs in South East, you can find contract .NET Developer, IT, Software Development, amongst many others.