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        5 API jobs in Chelmsford + 20 miles

        React Full stack Developer

        Cottrell Moore Limited
        Feering, CO5
        £35,000 per annum
        Salary: £35,000 (depending on experience) Job type: Hybrid (Once per week in Feering Office for the first 3-6 months) Please Note: We do not have offer any sponsorship. Youll be hands-on in React most daysworking on our digisuite platform, client websites (Next.js), AI-enhanced tools, and bespoke responsive HTML emails. Youll collaborate closely with designers, developers, and project managers to deliver high-quality, innovative digital products. Annual Leave: 31 days Progressive Annual Leave: Increases by 1 day each year after your first full year (up to 5 extra days). Birthday Leave: One additional day off on your birthday (post-probation). Social Events: Year-round events organised by our Social Committee. Private Medical Insurance: Optional after 1 year of service. Long Service Awards: Given every 5 years of continuous service.
        Salary: £35,000 (depending on experience) Job type: Hybrid (Once per week in Feering Office for the first 3-6 months) Please Note: We do not have offer any sponsorship. Youll be hands-on in React most daysworking on our digisuite platform, client websites (Next.js), AI-enhanced tools, and bespoke responsive HTML emails. Youll collaborate closely with designers, developers, and project managers to deliver high-quality, innovative digital products. Annual Leave: 31 days Progressive Annual Leave: Increases by 1 day each year after your first full year (up to 5 extra days). Birthday Leave: One additional day off on your birthday (post-probation). Social Events: Year-round events organised by our Social Committee. Private Medical Insurance: Optional after 1 year of service. Long Service Awards: Given every 5 years of continuous service.
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        Power Platform Engineer

        Waterman Aspen Limited
        CM2, Chelmsford
        Excellent base salary + benefits
        * Job title: Power Platform Engineer * Location / ways of working: Home-based (UK) with travel to Chelmsford HQ 1-2 days per month * Purpose of the role: Provide resilience and cover for the existing SharePoint/Power Platform capability while super-charging the design, build and deployment of current and new Power Apps, Automations, Databases, SharePoint lists and AI-enabled services across the business. o Design & build advanced Canvas and Model-driven apps that are code-driven, performant and user-centric and easily scalable. o Develop and maintain complex Power Automate flows, integrating seamlessly with Power Apps. o Work inside Power Platform Solutions and apply healthy ALM (Application Lifecycle Management) using Power Platform Build Tools.
        * Job title: Power Platform Engineer * Location / ways of working: Home-based (UK) with travel to Chelmsford HQ 1-2 days per month * Purpose of the role: Provide resilience and cover for the existing SharePoint/Power Platform capability while super-charging the design, build and deployment of current and new Power Apps, Automations, Databases, SharePoint lists and AI-enabled services across the business. o Design & build advanced Canvas and Model-driven apps that are code-driven, performant and user-centric and easily scalable. o Develop and maintain complex Power Automate flows, integrating seamlessly with Power Apps. o Work inside Power Platform Solutions and apply healthy ALM (Application Lifecycle Management) using Power Platform Build Tools.
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        NEWFEATURED
        Basildon, UK Full time 2025-07-28 Posted Yesterday R34328 As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology. Job Description As a Lead Business Analyst, you will play a pivotal role in driving the success of digital product initiatives. You will ensure requirements are effectively captured, documented, and prioritised in alignment with product strategy. You will act as a liaison between technical teams, business stakeholders, and end-users, driving the development, enhancement, testing, and delivery of digital products within an Agile framework.
        Basildon, UK Full time 2025-07-28 Posted Yesterday R34328 As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology. Job Description As a Lead Business Analyst, you will play a pivotal role in driving the success of digital product initiatives. You will ensure requirements are effectively captured, documented, and prioritised in alignment with product strategy. You will act as a liaison between technical teams, business stakeholders, and end-users, driving the development, enhancement, testing, and delivery of digital products within an Agile framework.
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        Drive global film delivery. Elevate the cinema experience. Join MPS as a Salesforce Developer and make an impact by building innovative new features, maintaining and optimising our existing platform, and providing vital support to our Portal and Prod Tools development team. Improving user satisfaction and the reliability of our software is essential to achieving our business goals. As a Salesforce Developer , youll play a central role in delivering high-quality solutions on time, ensuring our platform continues to meet the needs of our users. Your primary focus will be on developing and enhancing our Salesforce platform, while mentoring team members to strengthen their Salesforce expertise.
        Drive global film delivery. Elevate the cinema experience. Join MPS as a Salesforce Developer and make an impact by building innovative new features, maintaining and optimising our existing platform, and providing vital support to our Portal and Prod Tools development team. Improving user satisfaction and the reliability of our software is essential to achieving our business goals. As a Salesforce Developer , youll play a central role in delivering high-quality solutions on time, ensuring our platform continues to meet the needs of our users. Your primary focus will be on developing and enhancing our Salesforce platform, while mentoring team members to strengthen their Salesforce expertise.
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        Integration Analyst

        The Princess Alexandra Hospital NHS Trust
        Harlow, London
        £47,810 - £54,710 a year
        As an HL7 Integration Analyst, you will be responsible for the development, deployment, analysis, and maintenance of healthcare integration solutions. You will focus on delivering robust interoperability across systems by leveraging standards such as HL7 (v2 and FHIR), Rhapsody Integration Engine, APIs, and custom code solutions. In addition to developing and supporting integration points, you will play a critical role in conducting integration analysis to ensure clinical and operational requirements are accurately interpreted and met through technical delivery. This role requires an exceptionally high level of technical expertise.
        As an HL7 Integration Analyst, you will be responsible for the development, deployment, analysis, and maintenance of healthcare integration solutions. You will focus on delivering robust interoperability across systems by leveraging standards such as HL7 (v2 and FHIR), Rhapsody Integration Engine, APIs, and custom code solutions. In addition to developing and supporting integration points, you will play a critical role in conducting integration analysis to ensure clinical and operational requirements are accurately interpreted and met through technical delivery. This role requires an exceptionally high level of technical expertise.
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        595 exact matches jobs are outside your preferred location

        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.
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        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.
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        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.
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        NEWFEATURED
        £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.
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        PREMIUM
        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.
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        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.
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        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.
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        NEW
        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
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        NEWFEATURED

        Senior Software Engineer

        Spectrum It Recruitment Limited
        TW18, Staines
        £70000 - £75000 per annum
        Hybrid working - three days per week in the office. The Senior Software Engineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C). The Senior Software Engineer will be the 'code owner' for JavaScript and Roku SDKs. Key Responsibilities * Being 'code owner' for JavaScript and Roku SDKs * Analysing and defining new requirements * Maintaining and improving CI/CD * Ensuring feature parity and API alignment between different platforms * SDK improvements where possible * Helping define software development practices, policies & tooling Key Experience * Strong JavaScript knowledge * Commercial experience with Java and/or Objective-C * Version control and other core software engineering skills
        Hybrid working - three days per week in the office. The Senior Software Engineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C). The Senior Software Engineer will be the 'code owner' for JavaScript and Roku SDKs. Key Responsibilities * Being 'code owner' for JavaScript and Roku SDKs * Analysing and defining new requirements * Maintaining and improving CI/CD * Ensuring feature parity and API alignment between different platforms * SDK improvements where possible * Helping define software development practices, policies & tooling Key Experience * Strong JavaScript knowledge * Commercial experience with Java and/or Objective-C * Version control and other core software engineering skills
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        NEW

        Senior Software Developer

        Lean People Services Limited
        Luton, Bedfordshire
        From £75,000 to £85,000 per annum
        up to £85,000 per annum Full Time Mon-Fri Our Client provide remote diagnostic solutions and services to the automotive industry. They offer cutting-edge, expert diagnostics using both after-market and original equipment manufacturer tools to provide safe and accurate repairs. The company was founded in 2010 and is headquartered in Plano, TX with UK offices in Peterlee and Bedfordshire. As more automotive software technologies emerge, including autonomous driving, advanced diagnostics, vehicle connectivity, digital cockpits the Company aims to gain a first-mover advantage by developing software solutions with the help of automotive software engineers. If the idea of making an impact on a project lifecycle sounds appealing from its inception down to testing and deployment appeals to you, keep on reading!
        up to £85,000 per annum Full Time Mon-Fri Our Client provide remote diagnostic solutions and services to the automotive industry. They offer cutting-edge, expert diagnostics using both after-market and original equipment manufacturer tools to provide safe and accurate repairs. The company was founded in 2010 and is headquartered in Plano, TX with UK offices in Peterlee and Bedfordshire. As more automotive software technologies emerge, including autonomous driving, advanced diagnostics, vehicle connectivity, digital cockpits the Company aims to gain a first-mover advantage by developing software solutions with the help of automotive software engineers. If the idea of making an impact on a project lifecycle sounds appealing from its inception down to testing and deployment appeals to you, keep on reading!
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        NEW

        Engineering manager

        The Bridge (IT Recruitment) Limited
        London
        £0 per year + None
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
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        NEW
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
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        NEW
        Job Title: Firewall Engineer Location: London or Gloucester (Hybrid) Contract Type: 6 months, Inside IR35 Day Rate:£360 The Role Were looking for a skilled Firewall Engineer with active UK SC Clearance to join on a 6-month contract. Youll be responsible for firewall rule optimisation, configuration, and transformation activities across complex IT and OT environments. This role requires strong experience across multiple vendors (Palo Alto, Fortinet, Cisco ASA, Check Point) and the ability to collaborate with technical and non-technical stakeholders to maintain compliance and security best practice. Key Responsibilities * Configure, implement, and manage firewall solutions across multi-vendor environments * Review, optimise, and enforce firewall rules and policies * Support migrations and replacement projects for firewall infrastructure
        Job Title: Firewall Engineer Location: London or Gloucester (Hybrid) Contract Type: 6 months, Inside IR35 Day Rate:£360 The Role Were looking for a skilled Firewall Engineer with active UK SC Clearance to join on a 6-month contract. Youll be responsible for firewall rule optimisation, configuration, and transformation activities across complex IT and OT environments. This role requires strong experience across multiple vendors (Palo Alto, Fortinet, Cisco ASA, Check Point) and the ability to collaborate with technical and non-technical stakeholders to maintain compliance and security best practice. Key Responsibilities * Configure, implement, and manage firewall solutions across multi-vendor environments * Review, optimise, and enforce firewall rules and policies * Support migrations and replacement projects for firewall infrastructure
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        NEW
        Level: Mid-Senior/Senior; Remuneration dependent upon experience All applications should include a covering letter; references should also be available on request. Who We Are Ochre is a music retail technology company, helping labels, artists, distributors, and brands to run their ecommerce operations. Growing from our roots in music D2C (direct-to-consumer) retail, we are becoming a leader in providing tailored and scalable ecommerce solutions for the music industry. We work with some of the worlds best labels and artists - including Warp, Oasis, Dirty Hit, Ninja Tune, Partisan Records, Anjuna and many, many more. We are a creative company dedicated to helping our clients succeed in music ecommerce through best-in-class tools and services.
        Level: Mid-Senior/Senior; Remuneration dependent upon experience All applications should include a covering letter; references should also be available on request. Who We Are Ochre is a music retail technology company, helping labels, artists, distributors, and brands to run their ecommerce operations. Growing from our roots in music D2C (direct-to-consumer) retail, we are becoming a leader in providing tailored and scalable ecommerce solutions for the music industry. We work with some of the worlds best labels and artists - including Warp, Oasis, Dirty Hit, Ninja Tune, Partisan Records, Anjuna and many, many more. We are a creative company dedicated to helping our clients succeed in music ecommerce through best-in-class tools and services.
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        NEW
        Solution Architect role - Contract, Inside IR35 - London - Hybrid I am working on an exciting opportunity with a leading insurer operating in the Specialty Markets. They are urgently seeking a highly experienced Solution Architect to join their dynamic on a day-rate contract basis. As a Solution Architect, you will play a pivotal role in shaping the technical direction of innovative digital products, driving architectural excellence across complex insurance solutions. Candidates must have prior experience as a Solution Architect within the Specialty Insurance and/or London Market sector. This domain expertise is critical to understanding the unique challenges and regulatory landscape of the industry. * Translate product vision and business outcomes into technical enablers and architectural building blocks.
        Solution Architect role - Contract, Inside IR35 - London - Hybrid I am working on an exciting opportunity with a leading insurer operating in the Specialty Markets. They are urgently seeking a highly experienced Solution Architect to join their dynamic on a day-rate contract basis. As a Solution Architect, you will play a pivotal role in shaping the technical direction of innovative digital products, driving architectural excellence across complex insurance solutions. Candidates must have prior experience as a Solution Architect within the Specialty Insurance and/or London Market sector. This domain expertise is critical to understanding the unique challenges and regulatory landscape of the industry. * Translate product vision and business outcomes into technical enablers and architectural building blocks.
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        Senior Integration Developer – Team Lead (fully remote) £70,000 - £80,000 Fully Remote We are seeking a highly skilled and motivated Senior Integration Developer to lead a small but impactful Integration Team (2–3 developers). This position is key to designing, developing, and managing enterprise-grade integration solutions using Informatica Intelligent Cloud Services (IICS) and Informatica MDM. Key Responsibilities Leadership & Strategy * Lead and mentor a team of 2–3 integration developers, fostering collaboration and performance. * Define and implement integration architecture and best practices. * Work with stakeholders across business units to translate integration needs into technical solutions. Technical Delivery * Design, develop, and maintain workflows using Informatica iPaaS (IICS). * Implement and manage Master Data Management (MDM) solutions.
        Senior Integration Developer – Team Lead (fully remote) £70,000 - £80,000 Fully Remote We are seeking a highly skilled and motivated Senior Integration Developer to lead a small but impactful Integration Team (2–3 developers). This position is key to designing, developing, and managing enterprise-grade integration solutions using Informatica Intelligent Cloud Services (IICS) and Informatica MDM. Key Responsibilities Leadership & Strategy * Lead and mentor a team of 2–3 integration developers, fostering collaboration and performance. * Define and implement integration architecture and best practices. * Work with stakeholders across business units to translate integration needs into technical solutions. Technical Delivery * Design, develop, and maintain workflows using Informatica iPaaS (IICS). * Implement and manage Master Data Management (MDM) solutions.
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        NEWFEATURED

        Senior Node.js Developer

        ARC IT Recruitment Ltd
        SW1V, South West London, SW1W 9SJ
        Up to £100,000 per annum
        West London (Hybrid - 3 days in office) You will play a key role in shaping and expanding our cutting-edge technology stack. As a key player in our tech team, you'll help us scale and innovate, building on top of robust back-end servers and back-office systems. Gain full exposure to the entire development lifecycle, from planning and design to architecture, back-end, and front-end development. Working in a motivated, energetic team thats always learning and growing, you will be given career growth opportunities in a company which has the backing of a market-leading travel brand. * Collaborate closely with our systems architecture team to refine and enhance our technology infrastructure. * Get familiar with our current architecture and scaling technologies. * Build and implement new API systems integrating with ferry operators, third-party service providers, and more.
        West London (Hybrid - 3 days in office) You will play a key role in shaping and expanding our cutting-edge technology stack. As a key player in our tech team, you'll help us scale and innovate, building on top of robust back-end servers and back-office systems. Gain full exposure to the entire development lifecycle, from planning and design to architecture, back-end, and front-end development. Working in a motivated, energetic team thats always learning and growing, you will be given career growth opportunities in a company which has the backing of a market-leading travel brand. * Collaborate closely with our systems architecture team to refine and enhance our technology infrastructure. * Get familiar with our current architecture and scaling technologies. * Build and implement new API systems integrating with ferry operators, third-party service providers, and more.
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        Fullstack Engineer (Vue. Js & .Net) London hybrid working 2 days per week - Contract Opportunity We are seeking a talented Full Stack Developer with strong skills in Vue.js for front-end development and C# .NET for backend services, along with some knowledge or experience in SQL. You will be designing, building, and maintaining scalable web applications that integrate seamlessly with backend APIs and databases. Minimum Requirements * 5+ years of full stack development experience with Vue, TypeScript and C# .NET. * Strong understanding of Vue 3, Composition API, Pinia. * Proficiency in building RESTful APIs and integrating them with Vue applications. * Knowledge of Vitest (front-end), MSTest or xUnit (.NET) for unit testing and test-driven development practices. * Basic to intermediate SQL skills (queries, stored procedures, indexing).
        Fullstack Engineer (Vue. Js & .Net) London hybrid working 2 days per week - Contract Opportunity We are seeking a talented Full Stack Developer with strong skills in Vue.js for front-end development and C# .NET for backend services, along with some knowledge or experience in SQL. You will be designing, building, and maintaining scalable web applications that integrate seamlessly with backend APIs and databases. Minimum Requirements * 5+ years of full stack development experience with Vue, TypeScript and C# .NET. * Strong understanding of Vue 3, Composition API, Pinia. * Proficiency in building RESTful APIs and integrating them with Vue applications. * Knowledge of Vitest (front-end), MSTest or xUnit (.NET) for unit testing and test-driven development practices. * Basic to intermediate SQL skills (queries, stored procedures, indexing).
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        PREMIUM
        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job platform. Job Description Join our team and youll be responsible for our recommender systems and search algorithms,building the core infrastructure that powers millions of meaningful connections. Working in theSearch & Match domain, you willbe focusing on deploying and scaling machine learning models, particularly large language models (LLMs).
        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job platform. Job Description Join our team and youll be responsible for our recommender systems and search algorithms,building the core infrastructure that powers millions of meaningful connections. Working in theSearch & Match domain, you willbe focusing on deploying and scaling machine learning models, particularly large language models (LLMs).
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        NEW
        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job platform. Job Description Join our team and youll be responsible for our recommender systems and search algorithms,building the core infrastructure that powers millions of meaningful connections. Working in theSearch & Match domain, you willbe focusing on deploying and scaling machine learning models, particularly large language models (LLMs).
        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job platform. Job Description Join our team and youll be responsible for our recommender systems and search algorithms,building the core infrastructure that powers millions of meaningful connections. Working in theSearch & Match domain, you willbe focusing on deploying and scaling machine learning models, particularly large language models (LLMs).
        more
        PREMIUM

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        Frequently Asked Questions

        How many API jobs are there in Chelmsford?
        There are 5 API jobs within 20 miles of Chelmsford available on Jobsite right now.

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

        How many temporary and part-time API jobs are available in Chelmsford?
        There are 2 temporary API jobs and 15 part-time API jobs available in Chelmsford at the moment.