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        Last 14 days
        68

        24 Contract API jobs in Essex + 20 miles

        44 exact matches jobs are outside your preferred location

        Senior Solutions Architect - EMEA

        NICE
        London
        Competitive
        At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. So, What's the role all about? As a Senior Solutions Architect, you will design, build, and implement advanced Conversational AI solutions for our customers and partners. Acting as a highly experienced individual contributor, you will manage high-impact projects, provide deep technical insights, and ensure customers achieve maximum value from our platform. How will you make an impact? * Advanced Post-Sales Consulting & Implementation: Drive complex projects from pilot/Proof of Concept (PoC) to full implementation, ensuring scalable and high-performance solutions for enterprise clients.
        At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. So, What's the role all about? As a Senior Solutions Architect, you will design, build, and implement advanced Conversational AI solutions for our customers and partners. Acting as a highly experienced individual contributor, you will manage high-impact projects, provide deep technical insights, and ensure customers achieve maximum value from our platform. How will you make an impact? * Advanced Post-Sales Consulting & Implementation: Drive complex projects from pilot/Proof of Concept (PoC) to full implementation, ensuring scalable and high-performance solutions for enterprise clients.
        more

        SIT Test Analyst - PMS

        Hays
        London
        £500.0 - £600.0 per annum + £600 Per Day Inside IR35
        Proficiency in API testing tools (Postman, SOAP UI), SQL for data validation, and test management platforms such as Azure DevOps.
        Proficiency in API testing tools (Postman, SOAP UI), SQL for data validation, and test management platforms such as Azure DevOps.
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        Solution Architect

        Stackstudio Digital Ltd.
        London
        From £550 to £600 per day
        Role Details - Role / Job Title: Solution Architect - Work Location: London - Role Type: Contracting - Office Requirement: 1 day in office - Role Overview - We are seeking an experienced Solution Architect to lead the design and governance of large-scale, enterprise cloud platforms built on AWS. This role requires deep technical expertise in AWS architecture, Infrastructure as Code (Terraform), CI/CD pipelines, and Python-based automation, combined with strong enterprise architecture, security, and stakeholder leadership skills. The successful candidate will define enterprise cloud strategy, establish architectural standards, and ensure consistent, secure, and scalable solution delivery across multiple business units and delivery teams. Key Responsibilities - Enterprise Architecture & Strategy * Define and own enterprise cloud architecture strategy aligned with business and IT roadmaps
        Role Details - Role / Job Title: Solution Architect - Work Location: London - Role Type: Contracting - Office Requirement: 1 day in office - Role Overview - We are seeking an experienced Solution Architect to lead the design and governance of large-scale, enterprise cloud platforms built on AWS. This role requires deep technical expertise in AWS architecture, Infrastructure as Code (Terraform), CI/CD pipelines, and Python-based automation, combined with strong enterprise architecture, security, and stakeholder leadership skills. The successful candidate will define enterprise cloud strategy, establish architectural standards, and ensure consistent, secure, and scalable solution delivery across multiple business units and delivery teams. Key Responsibilities - Enterprise Architecture & Strategy * Define and own enterprise cloud architecture strategy aligned with business and IT roadmaps
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        Strong expertise in RESTful API design, versioning, testing, and lifecycle management. * Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management) preferred; experience with other cloud platform (AWS, GCP) is also valued.
        Strong expertise in RESTful API design, versioning, testing, and lifecycle management. * Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management) preferred; experience with other cloud platform (AWS, GCP) is also valued.
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        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
        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
        Role: Automation Specialist (Discovery) Location: London (Hybrid) Type: Initial 4-week contract - Status: Outside IR35 - The role - Cedar are supporting a client undertaking a focused discovery of their transactional finance environment, with the objective of reducing manual processing through targeted automation, improved data flows and system efficiency. The current landscape relies heavily on Excel-based processes, manual journal handling, and data movement between ERP, banking platforms, and reporting outputs. There is limited use of structured automation. This engagement requires a hands-on specialist who can operate at the level of process, data, and tooling. You will analyse how data moves across the finance function, identify failure points and inefficiencies, and implement practical automation using the Microsoft stack.
        Role: Automation Specialist (Discovery) Location: London (Hybrid) Type: Initial 4-week contract - Status: Outside IR35 - The role - Cedar are supporting a client undertaking a focused discovery of their transactional finance environment, with the objective of reducing manual processing through targeted automation, improved data flows and system efficiency. The current landscape relies heavily on Excel-based processes, manual journal handling, and data movement between ERP, banking platforms, and reporting outputs. There is limited use of structured automation. This engagement requires a hands-on specialist who can operate at the level of process, data, and tooling. You will analyse how data moves across the finance function, identify failure points and inefficiencies, and implement practical automation using the Microsoft stack.
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        Job Title: Guidewire Business Analyst Commercial Insurance - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role Overview - We are seeking a Guidewire Business Analyst with strong experience in Commercial Insurance (Policy, Billing, Claims) to bridge business needs and technology delivery. The ideal candidate will work closely with stakeholders to define requirements, support Guidewire implementations, and drive process improvements. Key Responsibilities - Gather and document business and functional requirements for Guidewire implementations - Work with underwriting, claims, and operations teams - Translate requirements into functional specifications and user stories - Support end-to-end Guidewire implementations and enhancements - Collaborate with development, QA, and architecture teams - Support UAT and defect management - Conduct stakeholder workshops
        Job Title: Guidewire Business Analyst Commercial Insurance - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role Overview - We are seeking a Guidewire Business Analyst with strong experience in Commercial Insurance (Policy, Billing, Claims) to bridge business needs and technology delivery. The ideal candidate will work closely with stakeholders to define requirements, support Guidewire implementations, and drive process improvements. Key Responsibilities - Gather and document business and functional requirements for Guidewire implementations - Work with underwriting, claims, and operations teams - Translate requirements into functional specifications and user stories - Support end-to-end Guidewire implementations and enhancements - Collaborate with development, QA, and architecture teams - Support UAT and defect management - Conduct stakeholder workshops
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        Senior Software Engineer – Frontend

        X-On Health
        Drybridge Hill, Woodbridge (IP12)
        Up to £50,000 per annum
        Location: Melton (Hybrid) Salary: up to £50,000 - The purpose of this role is to solve complex business problems and technical challenges through the design and development of frontend applications. This role will contribute directly towards exciting technology opportunities in the public health sector; specifically in general practice. You will be responsible for designing, developing, and maintaining high-quality, scalable, and responsive user interfaces. Key Tasks - Design and Development * Design, develop, and maintain complex, highly responsive, and user-friendly web applications using modern JavaScript frameworks (e.g. React) * Drive technical design and architectural decisions for the frontend, ensuring scalability, maintainability, and security * Develop modular, reusable components and libraries
        Location: Melton (Hybrid) Salary: up to £50,000 - The purpose of this role is to solve complex business problems and technical challenges through the design and development of frontend applications. This role will contribute directly towards exciting technology opportunities in the public health sector; specifically in general practice. You will be responsible for designing, developing, and maintaining high-quality, scalable, and responsive user interfaces. Key Tasks - Design and Development * Design, develop, and maintain complex, highly responsive, and user-friendly web applications using modern JavaScript frameworks (e.g. React) * Drive technical design and architectural decisions for the frontend, ensuring scalability, maintainability, and security * Develop modular, reusable components and libraries
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        PREMIUM
        Description - Nuclera is a venture-backed biotech company headquartered in Cambridge, UK with significant operations in Boston, USA. Nucleras mission is to accelerate discovery by enabling rapid, easy access to functional proteins essential for drug discovery research. Our eProtein Discovery benchtop system accelerates protein expression and purification optimization in research labs. We are seeking a highly motivated and experienced Mid-level Software Quality Assurance (QA) Engineer to work with our Senior SDET to define and drive our testing strategy and ensure the highest standards of software quality for our groundbreaking eProtein Discovery platform. Join us in shaping the future of protein prototyping technology. As a QA Engineer, youll bring a deep understanding of modern test automation frameworks and hands-on experience with Typescript and Python coding in ...
        Description - Nuclera is a venture-backed biotech company headquartered in Cambridge, UK with significant operations in Boston, USA. Nucleras mission is to accelerate discovery by enabling rapid, easy access to functional proteins essential for drug discovery research. Our eProtein Discovery benchtop system accelerates protein expression and purification optimization in research labs. We are seeking a highly motivated and experienced Mid-level Software Quality Assurance (QA) Engineer to work with our Senior SDET to define and drive our testing strategy and ensure the highest standards of software quality for our groundbreaking eProtein Discovery platform. Join us in shaping the future of protein prototyping technology. As a QA Engineer, youll bring a deep understanding of modern test automation frameworks and hands-on experience with Typescript and Python coding in ...
        more
        Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up thats trusted by some of the worlds biggest enterprises and critical infrastructure providers. Recognised by Gartner, armed with funding, and scaling aggressively worldwide, theyre on a mission to reshape how organisations stay ahead of real-world cyber threats. As aSenior Backend Engineer, youll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assetshelping global security teams uncover exposures before attackers do. * Designing and building backend services and data pipelines powering a cutting-edge cybersecurity ...
        Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up thats trusted by some of the worlds biggest enterprises and critical infrastructure providers. Recognised by Gartner, armed with funding, and scaling aggressively worldwide, theyre on a mission to reshape how organisations stay ahead of real-world cyber threats. As aSenior Backend Engineer, youll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assetshelping global security teams uncover exposures before attackers do. * Designing and building backend services and data pipelines powering a cutting-edge cybersecurity ...
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        Location & working arrangement - London or Nuneaton, United Kingdom - Hybrid working occasional presence at one of our Holland & Barrett offices in London or Nuneaton for collaboration sessions, team meetings and key events. #LI-Hybrid - Intro - At Holland & Barrett, we're on a mission to make health and wellness a way of life for everyone. As Europe's leading health and wellness retailer, we're using technology to power smarter, more connected experiences for our customers and colleagues. We're looking for a Product Manager Supply Chain (Network & Logistics) to lead the product direction for how products move across our fulfilment network and through our logistics partners. In this role, you'll shape the platforms and integrations that connect our systems with warehouses, carriers and marketplaceshelping ensure reliable, scalable fulfilment across stores, digital channels and ...
        Location & working arrangement - London or Nuneaton, United Kingdom - Hybrid working occasional presence at one of our Holland & Barrett offices in London or Nuneaton for collaboration sessions, team meetings and key events. #LI-Hybrid - Intro - At Holland & Barrett, we're on a mission to make health and wellness a way of life for everyone. As Europe's leading health and wellness retailer, we're using technology to power smarter, more connected experiences for our customers and colleagues. We're looking for a Product Manager Supply Chain (Network & Logistics) to lead the product direction for how products move across our fulfilment network and through our logistics partners. In this role, you'll shape the platforms and integrations that connect our systems with warehouses, carriers and marketplaceshelping ensure reliable, scalable fulfilment across stores, digital channels and ...
        more

        ServiceNow Developer

        Stackstudio Digital Ltd.
        London
        From £500 to £550 per day
        Role Details - Role / Job Title:ServiceNow Developer - Work Location:London - Mode of Working:Hybrid - If Hybrid, Days Required in Office:2 to 3 days - The Role - Pi7 to ServiceNow migration is on a critical path and we need a strong ServiceNow developer. This person will be responsible for supporting the migration along with working across CMDB, Incident, problem, change and release management. Key Responsibilities - Lead and support migration activities from PI7 to ServiceNow - Analyze existing PI7 integrations and workflows and redesign them within ServiceNow - Design, configure, and develop ServiceNow modules CMDB, incident, problem and change modules and applications - Build and maintain integrations using REST, SOAP, MID Server, and Integration Hub - Workflows / Flow Designer - Business Rules - UI Policies and UI Actions - Forms and Service Catalog
        Role Details - Role / Job Title:ServiceNow Developer - Work Location:London - Mode of Working:Hybrid - If Hybrid, Days Required in Office:2 to 3 days - The Role - Pi7 to ServiceNow migration is on a critical path and we need a strong ServiceNow developer. This person will be responsible for supporting the migration along with working across CMDB, Incident, problem, change and release management. Key Responsibilities - Lead and support migration activities from PI7 to ServiceNow - Analyze existing PI7 integrations and workflows and redesign them within ServiceNow - Design, configure, and develop ServiceNow modules CMDB, incident, problem and change modules and applications - Build and maintain integrations using REST, SOAP, MID Server, and Integration Hub - Workflows / Flow Designer - Business Rules - UI Policies and UI Actions - Forms and Service Catalog
        more
        Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
        Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
        more
        Hybrid- London - Up to £100,000 + benefits - Overview - We are hiring a Senior Software Engineer to join a growing Digital Platform function within a technology-driven organisation undergoing continued international expansion. This role sits within a newly formed platform squad focused on strengthening, stabilising, and evolving a modern web platform built on a Next.js stack. The organisation is investing in long-term platform scalability (8-10 year vision), improving engineering standards, tooling, CI/CD, testing, and observability. You will play a key role in ensuring engineering teams can deliver product work efficiently and release with confidence, while helping shape platform capabilities, technical direction, and best practices. This is primarily an individual contributor role with potential mentoring responsibilities. The Role
        Hybrid- London - Up to £100,000 + benefits - Overview - We are hiring a Senior Software Engineer to join a growing Digital Platform function within a technology-driven organisation undergoing continued international expansion. This role sits within a newly formed platform squad focused on strengthening, stabilising, and evolving a modern web platform built on a Next.js stack. The organisation is investing in long-term platform scalability (8-10 year vision), improving engineering standards, tooling, CI/CD, testing, and observability. You will play a key role in ensuring engineering teams can deliver product work efficiently and release with confidence, while helping shape platform capabilities, technical direction, and best practices. This is primarily an individual contributor role with potential mentoring responsibilities. The Role
        more

        AI Architect

        Stackstudio Digital Ltd.
        London
        From £800 to £850 per day
        Skilled in Azure and AWS AI stacks, Fast API microservices, Kubernetes, and secure vector search patterns. * Data fabric, real-time integrations, API-first architecture
        Skilled in Azure and AWS AI stacks, Fast API microservices, Kubernetes, and secure vector search patterns. * Data fabric, real-time integrations, API-first architecture
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        What is the average salary for API in Essex?

        Average salary per year
        £47,499

        The average salary for a API in Essex is £47,499. API in Essex salaries range from £37,499 to £47,499.

        Frequently Asked Questions

        How many contract API jobs are there in Essex?
        There are 24 contract API jobs within 20 miles of Essex available on CWJobs right now.

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