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        2 Contract API jobs in Belfast + 20 miles

        Senior Backend Software Engineer

        CAMLIN LIMITED
        Lisburn, County Antrim
        Competitive
        You'll have the opportunity to work with the latest technologies and tools, including Python Fast API, MQTT, Docker, Kubernetes and much more. * Python (Fast API) * Experience designing and implementing REST APIs (Fast API)
        You'll have the opportunity to work with the latest technologies and tools, including Python Fast API, MQTT, Docker, Kubernetes and much more. * Python (Fast API) * Experience designing and implementing REST APIs (Fast API)
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        NEW

        17 exact matches jobs are outside your preferred location

        Secure API integration: rate limiting, authentication, and governance via Azure API Management.
        Secure API integration: rate limiting, authentication, and governance via Azure API Management.
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        PREMIUM
        • Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
        • Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
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        We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
        We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
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        NEWPREMIUM
        Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
        Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
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        NEW
        We are seeking a skilled Full Stack Developer to lead the development of a scalable, secure, and user-centric analytics platform. This is a12 Months fixed term role, you must be UK based, the role is fully remote. Full Stack Developer - Role Responsibilities * Develop and maintain the React-based UI and Golang microservices backend * Design intuitive user experiences and deliver feature-rich portal modules * Implement and optimise CI/CD pipelines for automated deployment and testing. * Integrate with external * Build and manage APIs for internal and customer-facing services. * Participate in architectural decisions and contribute to the platforms roadmap. Full Stack Developer -Essential Experience * Proven experience in full stack development * Strong proficiency in React, JavaScript, PHP Symfony, and Golang
        We are seeking a skilled Full Stack Developer to lead the development of a scalable, secure, and user-centric analytics platform. This is a12 Months fixed term role, you must be UK based, the role is fully remote. Full Stack Developer - Role Responsibilities * Develop and maintain the React-based UI and Golang microservices backend * Design intuitive user experiences and deliver feature-rich portal modules * Implement and optimise CI/CD pipelines for automated deployment and testing. * Integrate with external * Build and manage APIs for internal and customer-facing services. * Participate in architectural decisions and contribute to the platforms roadmap. Full Stack Developer -Essential Experience * Proven experience in full stack development * Strong proficiency in React, JavaScript, PHP Symfony, and Golang
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        NEWFEATURED
        Do you want your coding skills to make a real difference? Join a mission-driven tech-for-good organisation and help build websites and digital tools that positively impact communities. Were looking for a talented WordPress Developerto take ownership of digital platforms. Youll work on everything from themes and custom plugins to integrations and cloud-based solutions, ensuring the sites are fast, secure, and scalable. * Fully remote within the UK * Salary up to £50,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace * Professional development and clear career progression * Building and enhancing WordPress websites with clean, maintainable code * Collaborating with designers, content creators, and stakeholders to bring digital ideas to life
        Do you want your coding skills to make a real difference? Join a mission-driven tech-for-good organisation and help build websites and digital tools that positively impact communities. Were looking for a talented WordPress Developerto take ownership of digital platforms. Youll work on everything from themes and custom plugins to integrations and cloud-based solutions, ensuring the sites are fast, secure, and scalable. * Fully remote within the UK * Salary up to £50,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace * Professional development and clear career progression * Building and enhancing WordPress websites with clean, maintainable code * Collaborating with designers, content creators, and stakeholders to bring digital ideas to life
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        Espire Infolabs is hiring forJDA Dispatcher Developer for UK with 100% remote working - Job Title:JDA Dispatcher Developer - Job Type: Permanent - Job Location: 100% Remote - Job Description, Develop & maintain custom enhancements, interfaces, and extensions within the JDA Dispatcher WMS environment. Design & implement system configurations, rules changes and new functionalities to meet evolving business needs. Participating in the implementation of new JDA Dispatcher systems, including configuring the system based on business requirements and conducting user training. Working on integrating the JDA Dispatcher WMS with other systems like ERP, TMS, and material handling equipment (MHE). Analysing and troubleshooting technical problems related to the JDA Dispatcher WMS, including performance issues, integration problems, and user-related operational issues.
        Espire Infolabs is hiring forJDA Dispatcher Developer for UK with 100% remote working - Job Title:JDA Dispatcher Developer - Job Type: Permanent - Job Location: 100% Remote - Job Description, Develop & maintain custom enhancements, interfaces, and extensions within the JDA Dispatcher WMS environment. Design & implement system configurations, rules changes and new functionalities to meet evolving business needs. Participating in the implementation of new JDA Dispatcher systems, including configuring the system based on business requirements and conducting user training. Working on integrating the JDA Dispatcher WMS with other systems like ERP, TMS, and material handling equipment (MHE). Analysing and troubleshooting technical problems related to the JDA Dispatcher WMS, including performance issues, integration problems, and user-related operational issues.
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        FEATURED
        Job Title: Full Stack Developer - Location: London, UK (Hybrid Work Mode) Job Type: Permanent - We are seeking a Full Stack Developer with strong experience in web application development, particularly focusing on the integration of Generative AI and Agentic Application models. You will play a key role in building and enhancing innovative solutions that leverage both advanced front-end and back-end technologies in a cloud environment. * Develop robust web applications integrating Generative AI and Agentic Application models. * Design and build scalable, responsive front-end interfaces. * Create and maintain efficient back-end systems and APIs. * Integrate AI frameworks into applications and support deployment in cloud environments. * Collaborate with DevOps teams to implement CI/CD pipelines and manage infrastructure.
        Job Title: Full Stack Developer - Location: London, UK (Hybrid Work Mode) Job Type: Permanent - We are seeking a Full Stack Developer with strong experience in web application development, particularly focusing on the integration of Generative AI and Agentic Application models. You will play a key role in building and enhancing innovative solutions that leverage both advanced front-end and back-end technologies in a cloud environment. * Develop robust web applications integrating Generative AI and Agentic Application models. * Design and build scalable, responsive front-end interfaces. * Create and maintain efficient back-end systems and APIs. * Integrate AI frameworks into applications and support deployment in cloud environments. * Collaborate with DevOps teams to implement CI/CD pipelines and manage infrastructure.
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        Job Title: Product Security Architect (Contract) Location: UK-based / Remote - Contract: 3 months initially, Outside IR35 - Why Apply? This is an opportunity to play a key role in shaping Product Security for an international technology organisation. The role offers exposure to a federated environment across multiple business units, providing strategic influence and hands on technical impact. * Define, lead, and evolve a group-wide Product Security and Secure SSDLC strategy across all business units. * Assess current AppSec capabilities, identify gaps, and implement practical, scalable improvements. * Collaborate with Product Architects, engineering, and security teams to integrate security into GitHub, CI/CD pipelines, and development workflows. * Provide architecture guidance and implement secure coding practices, threat modelling, and security tooling.
        Job Title: Product Security Architect (Contract) Location: UK-based / Remote - Contract: 3 months initially, Outside IR35 - Why Apply? This is an opportunity to play a key role in shaping Product Security for an international technology organisation. The role offers exposure to a federated environment across multiple business units, providing strategic influence and hands on technical impact. * Define, lead, and evolve a group-wide Product Security and Secure SSDLC strategy across all business units. * Assess current AppSec capabilities, identify gaps, and implement practical, scalable improvements. * Collaborate with Product Architects, engineering, and security teams to integrate security into GitHub, CI/CD pipelines, and development workflows. * Provide architecture guidance and implement secure coding practices, threat modelling, and security tooling.
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        Expert knowledge of HTML, CSS, JavaScript Experience developing Frontend Application using Modern Javascript frameworks like React/Vue/Svelte/Angular Writing unit tests with modern front end testing frameworks like Jest Experience of consuming and modifying CI/CD pipelines Experience working with API of varying types and integrating with backend data Experience of working with cloud technologies (Azure/AWS) Capable of teaching/mentoring/pair-programming with other members of the team - Experience of Docker Experience of working in a Continuous Delivery or Deployment environment Experience of developing any backend API frameworks * Experience working with API of varying types and integrating with backend data * Experience of developing any backend API frameworks
        Expert knowledge of HTML, CSS, JavaScript Experience developing Frontend Application using Modern Javascript frameworks like React/Vue/Svelte/Angular Writing unit tests with modern front end testing frameworks like Jest Experience of consuming and modifying CI/CD pipelines Experience working with API of varying types and integrating with backend data Experience of working with cloud technologies (Azure/AWS) Capable of teaching/mentoring/pair-programming with other members of the team - Experience of Docker Experience of working in a Continuous Delivery or Deployment environment Experience of developing any backend API frameworks * Experience working with API of varying types and integrating with backend data * Experience of developing any backend API frameworks
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        NEW
        Intetics Inc., a global technology company providing custom software application development, distributed professional teams, software product quality assessment, and all-things-digital solutions, is looking for a Technical Support Engineer to join our dynamic team. 9:00 - 18:00 in UK time zone - 9:00 - 18:00 in US EAST time zone - What You Will Do * Help customers by answering their toughest technical questions * Provide technical support to customers using email, chat, and Zoom * Handle multiple concurrent issues with varying severity, making sure that they are responded to within the established SLAs * Focus on accelerating investigations and minimizing support ticket resolution times via live Zoom calls * Troubleshoot logs to identify errors/exceptions and their root cause * Act as Incident Commander during service incidents and maintain updates on the Status page
        Intetics Inc., a global technology company providing custom software application development, distributed professional teams, software product quality assessment, and all-things-digital solutions, is looking for a Technical Support Engineer to join our dynamic team. 9:00 - 18:00 in UK time zone - 9:00 - 18:00 in US EAST time zone - What You Will Do * Help customers by answering their toughest technical questions * Provide technical support to customers using email, chat, and Zoom * Handle multiple concurrent issues with varying severity, making sure that they are responded to within the established SLAs * Focus on accelerating investigations and minimizing support ticket resolution times via live Zoom calls * Troubleshoot logs to identify errors/exceptions and their root cause * Act as Incident Commander during service incidents and maintain updates on the Status page
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        Senior Full Stack Engineer

        Sanderson Recruitment
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        £80000 - £85000 per annum + Benefits
        Job Role: Senior Full Stack Engineer As a Senior Full Stack Engineer, you'll design, build, and maintain high-quality features across backend and frontend systems. Are you a passionate full-stack engineer who thrives in high-growth, fast-paced environments? * Build, enhance, and maintain full-stack features across backend and frontend systems. You'll work closely with designers, product managers, and fellow engineers to translate vision and requirements into scalable, elegant solutions. Working Model: Permanent - Location: Remote - Salary: Up to £85,000 - Do you love building across both frontend and backend systems, solving complex engineering challenges, and shaping seamless user experiences? This is an exciting opportunity to join
        Job Role: Senior Full Stack Engineer As a Senior Full Stack Engineer, you'll design, build, and maintain high-quality features across backend and frontend systems. Are you a passionate full-stack engineer who thrives in high-growth, fast-paced environments? * Build, enhance, and maintain full-stack features across backend and frontend systems. You'll work closely with designers, product managers, and fellow engineers to translate vision and requirements into scalable, elegant solutions. Working Model: Permanent - Location: Remote - Salary: Up to £85,000 - Do you love building across both frontend and backend systems, solving complex engineering challenges, and shaping seamless user experiences? This is an exciting opportunity to join
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        The Software Architect is responsible for the definition of a feasible, maintainable and scalable software architecture consistent with the solution/system architecture. The candidate will report to the portfolio Chief software architect and Head of SW Delivery, with in feeds to senior management, customers, engineering delivery managers, project managers, and developers. In this particular instance (due to the small scale of the team), the SW Architect will be expected to participate in some of the SW development activities. Applications for an exciting role are now open in our Underwater Systems Business Line: Senior Software Engineer / Architect - Linux & C++ & Python - Due to business growth and increased demand, an additional Senior Software Engi
        The Software Architect is responsible for the definition of a feasible, maintainable and scalable software architecture consistent with the solution/system architecture. The candidate will report to the portfolio Chief software architect and Head of SW Delivery, with in feeds to senior management, customers, engineering delivery managers, project managers, and developers. In this particular instance (due to the small scale of the team), the SW Architect will be expected to participate in some of the SW development activities. Applications for an exciting role are now open in our Underwater Systems Business Line: Senior Software Engineer / Architect - Linux & C++ & Python - Due to business growth and increased demand, an additional Senior Software Engi
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        Lead Back-End Developer

        ADLIB Recruitment
        Ide, Exeter (EX2)
        £52000 - £58000 per annum
        Theyve grown significantly over the last few years and off the back of a very successful 2025, they are now looking for a hands-on Lead Back-End Developer to join the team (80% Back-End, 20% Team Leadership). The Lead Back-End Developer will drive the delivery and evolution of back-office systems, ensuring continuous improvements and enabling platforms to be high-performing, secure, and future-ready. Were looking for a Lead Back-End Developer to join a top software business in Exeter with more than a thousand Leisure, Tourism, and Events businesses across the globe. * PHP, Laravel/Symfony, lead a talented back-end team. This is a hands-on leadership role ideal for a technically skilled senior developer who can lead a team, manage delivery, and act as a key technical stakeholder for core system components such as reporting, configuration tools, and customer/venue manag
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        We are seeking a highly skilled Senior Software Developer to join my client's team. * Design, develop, and maintain software solutions using AWS services and serverless architectures. * Strong understanding of software development lifecycle and agile methodologies. The ideal candidate will have strong experience in designing, developing, and maintaining cloud-native applications and infrastructure. You will work closely with cross-functional teams to deliver secure, scalable, and efficient solutions, while ensuring best practices and continuity through documentation and peer reviews. BPSS (Baseline Personnel Security Standard) Level 4 Enable * Implement containerized applications using EKS and manage orchestration. * Develop and maintain Infrastructure as Code (IaC) using Terraform and Ansible. * Build and optimize CI
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        Frequently Asked Questions

        How many contract API jobs are there in Belfast?
        There are 2 contract API jobs within 20 miles of Belfast available on CWJobs right now.

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