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        See all jobs in Chelmsford

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        Last 3 days
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        4 Contract API jobs in Chelmsford + 20 miles

        213 exact matches jobs are outside your preferred location

        Solution Architect – Finance

        Stackstudio Digital Ltd.
        Luton (LU1)
        From £500 to £525 per day
        Job Title:Solution Architect Finance - Mode of Working:Hybrid - Work Location (UK & I):Luton, UK - Role Description * Lead enterprise-level design discussions as a Finance Architect * Drive solution ideation, solution design, and solution implementation involving Finance, HR, and Procurement * Directly assist in the development of a solutions architecture program * Review enterprise architecture changes and validate against best-in-class industry standards * Direct the identification and recommendation of appropriate solutions, upgrades, replacements, or decommissioning options incorporating business and technology productivity, usability, and total cost of ownership (TCO) * Manage activities that take place during solution ideation, solution design, and solution implementation * Review business context for solutions to company challenges, design to realize the vision
        Job Title:Solution Architect Finance - Mode of Working:Hybrid - Work Location (UK & I):Luton, UK - Role Description * Lead enterprise-level design discussions as a Finance Architect * Drive solution ideation, solution design, and solution implementation involving Finance, HR, and Procurement * Directly assist in the development of a solutions architecture program * Review enterprise architecture changes and validate against best-in-class industry standards * Direct the identification and recommendation of appropriate solutions, upgrades, replacements, or decommissioning options incorporating business and technology productivity, usability, and total cost of ownership (TCO) * Manage activities that take place during solution ideation, solution design, and solution implementation * Review business context for solutions to company challenges, design to realize the vision
        more
        Strong focus on optimizing inference performance and cost (e.g., model compression, quantization, API optimization).
        Strong focus on optimizing inference performance and cost (e.g., model compression, quantization, API optimization).
        more
        FEATURED

        Associate Engineering Manager - Salesforce

        The Stepstone Group
        Southwark, South East London (SE1), SE1 0TA
        Competitive salary
        Occasionally, being able to lend hands-on support to the team working on and using the following technologies: Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX), Visual Studio Code, Git, CI/CD, AWS * Technical knowledge and understanding of Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX); Sales cloud essential,?marketing cloud desirable, CPQ cloud?desirable,?
        Occasionally, being able to lend hands-on support to the team working on and using the following technologies: Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX), Visual Studio Code, Git, CI/CD, AWS * Technical knowledge and understanding of Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX); Sales cloud essential,?marketing cloud desirable, CPQ cloud?desirable,?
        more
        NEWPREMIUM
        Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries * Familiarity with full-stack from device drivers, to client-side tools & API libraries. (Some knowledge of hardware protocols.)
        Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries * Familiarity with full-stack from device drivers, to client-side tools & API libraries. (Some knowledge of hardware protocols.)
        more

        Business Analyst

        REC SOLUTIONS LIMITED
        The City, City of London (EC4), EC4N
        Competitive base salary plus bonus and benefits
        Proficiency in creating and maintaining clear, comprehensive technical documentation and API specifications.
        Proficiency in creating and maintaining clear, comprehensive technical documentation and API specifications.
        more

        Salesforce Tech Lead

        Infoplus Technologies UK Ltd
        Windsor, Berkshire
        From £450 to £500 per day
        Windsor, UK - Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with - Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic * Sales an
        Windsor, UK - Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with - Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic * Sales an
        more
        Other organisations may call this role Software Engineer, Software Developer, Back-End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
        Other organisations may call this role Software Engineer, Software Developer, Back-End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
        more
        Imports Exports Real Time API/Web Services/XML
        Imports Exports Real Time API/Web Services/XML
        PREMIUM

        Principal Software Engineer - Unified Client Experience (UCX)

        Hargreaves Lansdown
        London
        £11500 - £90000 per annum + Generous bonus, pension, PMI & more
        Deep expertise in React or React Native, with hands-on experience in secure API integration, authentication flows, and frontend architecture.
        Deep expertise in React or React Native, with hands-on experience in secure API integration, authentication flows, and frontend architecture.
        more
        FEATURED
        Maintain a strong understanding of offensive and defensive practices, with particular focus on web, API, bot, DDoS, and AI-related threats * Strong grasp of common web, cloud, and API protocols and their associated attack surfaces (e.g., HTTP/S, REST, OAuth, DNS, TLS, etc.)
        Maintain a strong understanding of offensive and defensive practices, with particular focus on web, API, bot, DDoS, and AI-related threats * Strong grasp of common web, cloud, and API protocols and their associated attack surfaces (e.g., HTTP/S, REST, OAuth, DNS, TLS, etc.)
        more
        MS Power Platform Developer with AI Chatbot - Location: Esher (two days WFH) Salary: c.£50K - £60K - This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power
        MS Power Platform Developer with AI Chatbot - Location: Esher (two days WFH) Salary: c.£50K - £60K - This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power
        more
        In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
        In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
        more
        Were looking for an experienced SDET to join a high-performing engineering team working on a high traffic, large-scale e-commerce platform. Youll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, youll drive quality across web applications and APIs while tackling interesting technical challenges. * Designing and maintaining test automation frameworks (JavaScript/TypeScript) * Automated and manual testing of web applications and APIs * Test planning, estimation, execution and defect management * Integrating automated tests into CI/CD pipelines * Collaborating across teams to improve quality and close requirement gaps * Proven experience in SDET or test automation roles
        Were looking for an experienced SDET to join a high-performing engineering team working on a high traffic, large-scale e-commerce platform. Youll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, youll drive quality across web applications and APIs while tackling interesting technical challenges. * Designing and maintaining test automation frameworks (JavaScript/TypeScript) * Automated and manual testing of web applications and APIs * Test planning, estimation, execution and defect management * Integrating automated tests into CI/CD pipelines * Collaborating across teams to improve quality and close requirement gaps * Proven experience in SDET or test automation roles
        more
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Description - Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformatio
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Description - Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformatio
        more
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
        more

        Senior Python Developer

        Hireful
        Central London, London
        £55k - £62k base salary + great benefits
        Are you a Senior Python Developer looking to help shape the future of how schools use technology to empower learners across the UK? We are searching for a Senior Python Developer / Lead Python Developer who can guide a talented engineering team and push the boundaries of what cloud-native EdTech can be. Fancy taking ownership over building scalable Python applications, driving Agile delivery, and designing robust AWS-based systems using modern Infrastructure-as-Code approaches? Role: Senior Python Developer, Python Software Engineer, Python Developer, Lead Python Developer - Location: 100% work from home / Remote - Salary: £55k - £62k base plus great benefits - You will champion engineering excellence, define best practices, inspire and mentor developers, and keep innovation at the heart of everything you do – from microservices and RESTful APIs to CI/CD pipelines and
        Are you a Senior Python Developer looking to help shape the future of how schools use technology to empower learners across the UK? We are searching for a Senior Python Developer / Lead Python Developer who can guide a talented engineering team and push the boundaries of what cloud-native EdTech can be. Fancy taking ownership over building scalable Python applications, driving Agile delivery, and designing robust AWS-based systems using modern Infrastructure-as-Code approaches? Role: Senior Python Developer, Python Software Engineer, Python Developer, Lead Python Developer - Location: 100% work from home / Remote - Salary: £55k - £62k base plus great benefits - You will champion engineering excellence, define best practices, inspire and mentor developers, and keep innovation at the heart of everything you do – from microservices and RESTful APIs to CI/CD pipelines and
        more
        FEATURED

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        Frequently Asked Questions

        How many contract API jobs are there in Chelmsford?
        There are 4 contract API jobs within 20 miles of Chelmsford available on CWJobs right now.

        What other similar jobs are there to contract API jobs in Chelmsford?
        As well as contract API jobs in Chelmsford, you can find contract Qa Automation, Quality Assurance, QA Analyst, amongst many others.