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67 API jobs in County Antrim + 5 miles
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Contribute to development across API backends, web interfaces, and mobile applications.
Contribute to development across API backends, web interfaces, and mobile applications.
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Senior Software Engineer in Test I (SDET), Remote, £60k
Senior Software Engineer in Test I (SDET), Remote, £60k
Adepta Partners Limited
Belfast, County Antrim
£60,000 per annum
Designing and maintaining automation frameworks for UI, API, and performance testing
Designing and maintaining automation frameworks for UI, API, and performance testing
Contribute to and leverage automation frameworks for UI, API, and performance testing
Contribute to and leverage automation frameworks for UI, API, and performance testing
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Experience in API testing
Experience in API testing
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Hands-on experience with UI and API test tools (e.g. Playwright, Cypress, Postman, Selenium)
Hands-on experience with UI and API test tools (e.g. Playwright, Cypress, Postman, Selenium)
Strong technical background across API, front-end, and full-stack environments
Strong technical background across API, front-end, and full-stack environments
Collaborate with backend teams to define API schema and ensure seamless integration. * Backend Collaboration: API Design, Microservices Integration * Experience with API design and integration.
Collaborate with backend teams to define API schema and ensure seamless integration. * Backend Collaboration: API Design, Microservices Integration * Experience with API design and integration.
Build and manage automated testing frameworks for web, mobile, API, and performance testing * You will have demonstrated experience building automated test frameworks for web and API testing.
Build and manage automated testing frameworks for web, mobile, API, and performance testing * You will have demonstrated experience building automated test frameworks for web and API testing.
Work closely with backend engineers and product teams to create seamless, API-driven UI workflows
Work closely with backend engineers and product teams to create seamless, API-driven UI workflows
Familiarity with scalable API development (REST/GraphQL)
Familiarity with scalable API development (REST/GraphQL)
Write supporting copy for GUI, API, and CLI as needed
Write supporting copy for GUI, API, and CLI as needed
Design and optimize API interactions using REST and GraphQL * Comfort using tools like Postman, Swagger UI, or GraphQL playgrounds for API testing
Design and optimize API interactions using REST and GraphQL * Comfort using tools like Postman, Swagger UI, or GraphQL playgrounds for API testing
MCS Group has an exciting opportunity for an IAM Specialist to join a major public sector transformation programme. This is a leadership role within the integration team, tasked with delivering secure and scalable IAM solutions to support regional systems used across public services. As IAM Specialist, you will work with a team of IT professionals in the design, development, and support of critical system integration's. You will also play a central role in enhancing identity life-cycle processes, role-based access controls, and developing robust IAM frameworks that align with organisational security standards. * Lead the development of secure IAM workflows and system integrations. * Design and implement access controls, entitlement structures, and audit/reporting capabilities. * Collaborate with internal teams, stakeholders, and third-party suppliers on delivery and .
MCS Group has an exciting opportunity for an IAM Specialist to join a major public sector transformation programme. This is a leadership role within the integration team, tasked with delivering secure and scalable IAM solutions to support regional systems used across public services. As IAM Specialist, you will work with a team of IT professionals in the design, development, and support of critical system integration's. You will also play a central role in enhancing identity life-cycle processes, role-based access controls, and developing robust IAM frameworks that align with organisational security standards. * Lead the development of secure IAM workflows and system integrations. * Design and implement access controls, entitlement structures, and audit/reporting capabilities. * Collaborate with internal teams, stakeholders, and third-party suppliers on delivery and .
Are you a Senior Backend Engineer who wants to work on something that truly makes an impact? This is a rare opportunity to join a high-growth, product-led tech company as they build a brand-new FinOps platform from the ground up. You'll play a pivotal role in designing, building, and running cloud-native applications using modern technologies like Golang, Python, Kubernetes, and AWS serverless. You'll be joining a cross-functional, international team working in close collaboration across Backend, Front-End, Product and SRE. The engineering leadership is based in the UK, and the company has a strong reputation for hiring top-tier talent and empowering engineers to thrive. Job Description * Design, develop and operate scalable, high-performance microservices and APIs using Golang and Python * Deploy applications across Kubernetes clusters and serverless AWS environments
Are you a Senior Backend Engineer who wants to work on something that truly makes an impact? This is a rare opportunity to join a high-growth, product-led tech company as they build a brand-new FinOps platform from the ground up. You'll play a pivotal role in designing, building, and running cloud-native applications using modern technologies like Golang, Python, Kubernetes, and AWS serverless. You'll be joining a cross-functional, international team working in close collaboration across Backend, Front-End, Product and SRE. The engineering leadership is based in the UK, and the company has a strong reputation for hiring top-tier talent and empowering engineers to thrive. Job Description * Design, develop and operate scalable, high-performance microservices and APIs using Golang and Python * Deploy applications across Kubernetes clusters and serverless AWS environments
Are you a Senior Backend Engineer who wants to work on something that truly makes an impact? This is a rare opportunity to join a high-growth, product-led tech company as they build a brand-new FinOps platform from the ground up. You'll play a pivotal role in designing, building, and running cloud-native applications using modern technologies like Golang, Python, Kubernetes, and AWS serverless. You'll be joining a cross-functional, international team working in close collaboration across Backend, Front-End, Product and SRE. The engineering leadership is based in the UK, and the company has a strong reputation for hiring top-tier talent and empowering engineers to thrive. Job Description * Design, develop and operate scalable, high-performance microservices and APIs using Golang and Python * Deploy applications across Kubernetes clusters and serverless AWS environments
Are you a Senior Backend Engineer who wants to work on something that truly makes an impact? This is a rare opportunity to join a high-growth, product-led tech company as they build a brand-new FinOps platform from the ground up. You'll play a pivotal role in designing, building, and running cloud-native applications using modern technologies like Golang, Python, Kubernetes, and AWS serverless. You'll be joining a cross-functional, international team working in close collaboration across Backend, Front-End, Product and SRE. The engineering leadership is based in the UK, and the company has a strong reputation for hiring top-tier talent and empowering engineers to thrive. Job Description * Design, develop and operate scalable, high-performance microservices and APIs using Golang and Python * Deploy applications across Kubernetes clusters and serverless AWS environments
MCS Group is working with a very exciting, growing Insurtech company who are expanding their development team. They're seeking an experienced Senior Software Developer to lead the delivery of innovative, scalable, and secure features across their growing suite of Insurtech products. Reporting to the Principal Software Engineer, you'll play a pivotal role in designing distributed systems, guiding developers, and ensuring engineering excellence across every sprint. You'll collaborate closely with cross-functional teams to translate product requirements into world-class technical solutions that deliver real value. With significant investment on board recently and new products in the pipeline, this is the perfect opportunity for an ambitious .NET developer. Key Responsibilities * Collaborate on sprint planning, workload estimation, and technical specification authoring.
MCS Group is working with a very exciting, growing Insurtech company who are expanding their development team. They're seeking an experienced Senior Software Developer to lead the delivery of innovative, scalable, and secure features across their growing suite of Insurtech products. Reporting to the Principal Software Engineer, you'll play a pivotal role in designing distributed systems, guiding developers, and ensuring engineering excellence across every sprint. You'll collaborate closely with cross-functional teams to translate product requirements into world-class technical solutions that deliver real value. With significant investment on board recently and new products in the pipeline, this is the perfect opportunity for an ambitious .NET developer. Key Responsibilities * Collaborate on sprint planning, workload estimation, and technical specification authoring.
My client, a fast-scaling technology-driven marketplace, is seeking a talented Senior Back-End Software Engineer to join their dynamic engineering team. You'll join a collaborative, cross-functional team where your input directly impacts the growth and scalability of a service-oriented platform. This is an opportunity to work on meaningful, production-grade solutions using modern JVM technologies within a cloud-first, microservices environment. * Design, build, and enhance core backend services supporting a high-performance marketplace platform * Collaborate with product managers, designers, and engineers to deliver robust, scalable solutions * Champion clean architecture, performance, and reliability in all stages of development * Drive continuous improvement across engineering practices, team processes, and product quality
My client, a fast-scaling technology-driven marketplace, is seeking a talented Senior Back-End Software Engineer to join their dynamic engineering team. You'll join a collaborative, cross-functional team where your input directly impacts the growth and scalability of a service-oriented platform. This is an opportunity to work on meaningful, production-grade solutions using modern JVM technologies within a cloud-first, microservices environment. * Design, build, and enhance core backend services supporting a high-performance marketplace platform * Collaborate with product managers, designers, and engineers to deliver robust, scalable solutions * Champion clean architecture, performance, and reliability in all stages of development * Drive continuous improvement across engineering practices, team processes, and product quality
React Developer needed to join the world's newest IoT company * Are you a React/TypeScript developer looking for a new challenge? * Do you want to work with some of the brightest minds in Northern Ireland? * Want to work on true greenfield projects that nobody has done before? The Role - In this hands-on role, you'll be joining a small team of highly capable professionals responsible for designing, developing, and maintaining high-performance, scalable web applications using React and TypeScript. Your new company has a multi-billion-dollar revenue stream and no weak links as they've already started onboarding some of Northern Ireland's most prolific technologists. What's In It For You? * Market-leading salaries * Generous holidays and fully remote working available (NI Wide) * Attractive equity * Personal health & wellness package * Quarterly wellness workshops
React Developer needed to join the world's newest IoT company * Are you a React/TypeScript developer looking for a new challenge? * Do you want to work with some of the brightest minds in Northern Ireland? * Want to work on true greenfield projects that nobody has done before? The Role - In this hands-on role, you'll be joining a small team of highly capable professionals responsible for designing, developing, and maintaining high-performance, scalable web applications using React and TypeScript. Your new company has a multi-billion-dollar revenue stream and no weak links as they've already started onboarding some of Northern Ireland's most prolific technologists. What's In It For You? * Market-leading salaries * Generous holidays and fully remote working available (NI Wide) * Attractive equity * Personal health & wellness package * Quarterly wellness workshops
Job Title: Full Stack Software Engineer - Location: Remote (Optional Belfast office) Type: Full-Time / Permanent - We are seeking a talented and motivated Full Stack Software Engineer to join our dynamic team and play a key role in building a new platform from the ground up. This is a unique opportunity to be part of a project with high impact, working across the stack to architect, develop, and deploy scalable and innovative solutions. If you are passionate about software development, thrive in a fast-paced environment, and enjoy solving complex problems, we'd love to hear from you. * Design, develop, and maintain a new platform, working across both frontend and backend components. * Write clean, efficient, and reusable code primarily using Python on the backend. * Build scalable and performant APIs and services.
Job Title: Full Stack Software Engineer - Location: Remote (Optional Belfast office) Type: Full-Time / Permanent - We are seeking a talented and motivated Full Stack Software Engineer to join our dynamic team and play a key role in building a new platform from the ground up. This is a unique opportunity to be part of a project with high impact, working across the stack to architect, develop, and deploy scalable and innovative solutions. If you are passionate about software development, thrive in a fast-paced environment, and enjoy solving complex problems, we'd love to hear from you. * Design, develop, and maintain a new platform, working across both frontend and backend components. * Write clean, efficient, and reusable code primarily using Python on the backend. * Build scalable and performant APIs and services.
React Developer needed to join the world's newest IoT company * Are you a React/TypeScript developer looking for a new challenge? * Do you want to work with some of the brightest minds in Northern Ireland? * Want to work on true greenfield projects that nobody has done before? The Role - In this hands-on role, you'll be joining a small team of highly capable professionals responsible for designing, developing, and maintaining high-performance, scalable web applications using React and TypeScript. Your new company has a multi-billion-dollar revenue stream and no weak links as they've already started onboarding some of Northern Ireland's most prolific technologists. What's In It For You? * Market-leading salaries * Generous holidays and fully remote working available (NI Wide) * Attractive equity * Personal health & wellness package * Quarterly wellness workshops
React Developer needed to join the world's newest IoT company * Are you a React/TypeScript developer looking for a new challenge? * Do you want to work with some of the brightest minds in Northern Ireland? * Want to work on true greenfield projects that nobody has done before? The Role - In this hands-on role, you'll be joining a small team of highly capable professionals responsible for designing, developing, and maintaining high-performance, scalable web applications using React and TypeScript. Your new company has a multi-billion-dollar revenue stream and no weak links as they've already started onboarding some of Northern Ireland's most prolific technologists. What's In It For You? * Market-leading salaries * Generous holidays and fully remote working available (NI Wide) * Attractive equity * Personal health & wellness package * Quarterly wellness workshops
Belfast / Hybrid - Are you a Digital Product Manager with 3+ years' experience looking to step into a lead role? This is an opportunity to join a global organisation investing heavily in its NI tech hub, positioning it as a centre of product excellence. You'll work alongside cross-functional teams, helping to define and drive forward digital products used at global scale. This role sits within a fast-paced, digitally focused environment - think modern architecture, agile delivery, and meaningful impact. * Lead the delivery of innovative digital products from idea to execution * Collaborate closely with UX, engineering, and data teams * Define and prioritise product roadmaps aligned with business goals * Be a champion of agile ways of working and data-informed decisions * 3+ years of experience as a Digital Product Owner/Manager
Belfast / Hybrid - Are you a Digital Product Manager with 3+ years' experience looking to step into a lead role? This is an opportunity to join a global organisation investing heavily in its NI tech hub, positioning it as a centre of product excellence. You'll work alongside cross-functional teams, helping to define and drive forward digital products used at global scale. This role sits within a fast-paced, digitally focused environment - think modern architecture, agile delivery, and meaningful impact. * Lead the delivery of innovative digital products from idea to execution * Collaborate closely with UX, engineering, and data teams * Define and prioritise product roadmaps aligned with business goals * Be a champion of agile ways of working and data-informed decisions * 3+ years of experience as a Digital Product Owner/Manager
Staff Java Software Engineer - Location: Belfast (Hybrid) Employment Type: Full-time - Compensation: £90,000 - £105,000 + Bonus + Benefits - The Company - Join a forward-thinking technology consultancy delivering transformative, cloud-native solutions across sectors including finance, public services, and global enterprise. Operating at the intersection of engineering excellence and innovation, this team empowers technologists to work on meaningful, high-impact projects. With a culture built on collaboration, continuous learning, and technical autonomy, you'll be supported to reach the next level in your engineering career. The Opportunity - This is a Staff-level Java Engineering role for experienced technologists ready to take ownership of architectural decisions, technical mentoring, and full-lifecycle delivery.
Staff Java Software Engineer - Location: Belfast (Hybrid) Employment Type: Full-time - Compensation: £90,000 - £105,000 + Bonus + Benefits - The Company - Join a forward-thinking technology consultancy delivering transformative, cloud-native solutions across sectors including finance, public services, and global enterprise. Operating at the intersection of engineering excellence and innovation, this team empowers technologists to work on meaningful, high-impact projects. With a culture built on collaboration, continuous learning, and technical autonomy, you'll be supported to reach the next level in your engineering career. The Opportunity - This is a Staff-level Java Engineering role for experienced technologists ready to take ownership of architectural decisions, technical mentoring, and full-lifecycle delivery.
Certification Required: CREST CRT (must-have) Senior Pen Tester needed to join a fast-growing cybersecurity consultancy supporting SMEs with penetration testing, compliance (ISO 27001, Cyber Essentials Plus), and virtual security operations. Ideal Senior Penetration Tester will thrive in a fast-paced, client-focused environment and wants to play a key role in their expansion. * Perform penetration testing across web, networks, APIs, cloud, and mobile platforms * Lead red team exercises, phishing campaigns, and social engineering engagements * Produce high-quality reports with clear findings and remediation guidance * Advise clients on risk, security posture, and best practices * Mentor junior testers and shape testing methodologies * Stay current with evolving threats, tools, and techniques * CREST CRT certification (required)
Certification Required: CREST CRT (must-have) Senior Pen Tester needed to join a fast-growing cybersecurity consultancy supporting SMEs with penetration testing, compliance (ISO 27001, Cyber Essentials Plus), and virtual security operations. Ideal Senior Penetration Tester will thrive in a fast-paced, client-focused environment and wants to play a key role in their expansion. * Perform penetration testing across web, networks, APIs, cloud, and mobile platforms * Lead red team exercises, phishing campaigns, and social engineering engagements * Produce high-quality reports with clear findings and remediation guidance * Advise clients on risk, security posture, and best practices * Mentor junior testers and shape testing methodologies * Stay current with evolving threats, tools, and techniques * CREST CRT certification (required)
Job description. Location: UK-based only (hybrid or on-site) Eligibility: UK work authorisation required (no sponsorship available) We're hiring an experienced Microsoft Dynamics 365 to support and enhance ERP operations for a leading food manufacturing business. You'll play a key role in optimisation across key business units. If you're passionate about making ERP systems work harder for the business and have strong knowledge of food manufacturing processes, we'd love to hear from you. Why join? * Help drive digital transformation in a fast-paced manufacturing environment * Own key system improvements across finance, production, and compliance * Use your AP automation experience to deliver real operational value * Enjoy benefits like private healthcare, gym discounts, and staff sales * Leading Dynamics 365 configuration across business functions
Job description. Location: UK-based only (hybrid or on-site) Eligibility: UK work authorisation required (no sponsorship available) We're hiring an experienced Microsoft Dynamics 365 to support and enhance ERP operations for a leading food manufacturing business. You'll play a key role in optimisation across key business units. If you're passionate about making ERP systems work harder for the business and have strong knowledge of food manufacturing processes, we'd love to hear from you. Why join? * Help drive digital transformation in a fast-paced manufacturing environment * Own key system improvements across finance, production, and compliance * Use your AP automation experience to deliver real operational value * Enjoy benefits like private healthcare, gym discounts, and staff sales * Leading Dynamics 365 configuration across business functions
Job description. Database & Systems Support Analyst - Location: UK-based only (hybrid or on-site) Eligibility: UK work authorisation required (no sponsorship available) We're looking for a DBA to join a growing business systems team, with the chance to get stuck into wider system design and support for MES/ERP platforms. You'll take ownership of multiple application databases-making sure they run smoothly, securely, and efficiently. You'll also provide 2nd Line Support for business-critical systems and help drive system improvements through structured change processes. Why join? * Own and manage key business databases * Get involved in MES/ERP support and design * Be part of real system improvement and change projects * Work with a friendly team and wide range of stakeholders * Keeping SQL Server databases fast, secure, and reliable
Job description. Database & Systems Support Analyst - Location: UK-based only (hybrid or on-site) Eligibility: UK work authorisation required (no sponsorship available) We're looking for a DBA to join a growing business systems team, with the chance to get stuck into wider system design and support for MES/ERP platforms. You'll take ownership of multiple application databases-making sure they run smoothly, securely, and efficiently. You'll also provide 2nd Line Support for business-critical systems and help drive system improvements through structured change processes. Why join? * Own and manage key business databases * Get involved in MES/ERP support and design * Be part of real system improvement and change projects * Work with a friendly team and wide range of stakeholders * Keeping SQL Server databases fast, secure, and reliable