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11 Contract API jobs in Northern Ireland + 20 miles
Web & API Penetration Testing: Conduct manual and automated testing of SaaS platforms and backend APIs against the OWASP Top 10 and API Security Top 10.
Web & API Penetration Testing: Conduct manual and automated testing of SaaS platforms and backend APIs against the OWASP Top 10 and API Security Top 10.
Leading the implementation of complex features, from API design and backend services through to responsive, high-performance front-end experiences * Owning API architecture, ensuring solutions are secure, scalable, maintainable, and well-documented
Leading the implementation of complex features, from API design and backend services through to responsive, high-performance front-end experiences * Owning API architecture, ensuring solutions are secure, scalable, maintainable, and well-documented
QA Analyst - Operations [Automation Engineer]
QA Analyst - Operations [Automation Engineer]
Marex Spectron International Limited
Belfast, County Antrim
Competitive
Technical Testing: Conduct specialized tests beyond UI checks, including API testing. * Experienced in the configuration and implementation of a cross section of automated testing approaches and tools; unit, UI, browser, contract/API, performance/load, Playwright, Postman, Swagger etc.
Technical Testing: Conduct specialized tests beyond UI checks, including API testing. * Experienced in the configuration and implementation of a cross section of automated testing approaches and tools; unit, UI, browser, contract/API, performance/load, Playwright, Postman, Swagger etc.
External Description: Reach beyond with Liberty IT; for this is where youll find the super challenges, where youll be given the scope and the support to go further, dig deeper and fly higher. We wont stand over your shoulder. We wont get in your way. We certainly wont hold you back. Youll bring the expertise. Well provide the platform to succeed. Ready? Its time to do your thing. * Experience in creating solutions and services using Typescript, JavaScript and AWS. * A third level qualification in Software Engineering, Computer Science or STEM subject and 3 years software development experience in a commercial environment; or current and valid industry recognised certifications and 5 years software development experience in a commercial environment * Have worked with DevOps tools such as GitHub Actions or similar for deployment purposes
External Description: Reach beyond with Liberty IT; for this is where youll find the super challenges, where youll be given the scope and the support to go further, dig deeper and fly higher. We wont stand over your shoulder. We wont get in your way. We certainly wont hold you back. Youll bring the expertise. Well provide the platform to succeed. Ready? Its time to do your thing. * Experience in creating solutions and services using Typescript, JavaScript and AWS. * A third level qualification in Software Engineering, Computer Science or STEM subject and 3 years software development experience in a commercial environment; or current and valid industry recognised certifications and 5 years software development experience in a commercial environment * Have worked with DevOps tools such as GitHub Actions or similar for deployment purposes
What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. A little more about your role - As a Senior Geospatial Consultant with WSP, you'll support multi-disciplinary projects within the Geospatial team as part of the Transformation & Digital Insights service line. Reporting to an Associate and collaborating with GIS, Geospatial and Technical Specialist teams, you'll help the team grow both personally and technically to maintain top-tier client service. Your tasks will include managing and analysing digital data, preparing GIS data, and ...
What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. A little more about your role - As a Senior Geospatial Consultant with WSP, you'll support multi-disciplinary projects within the Geospatial team as part of the Transformation & Digital Insights service line. Reporting to an Associate and collaborating with GIS, Geospatial and Technical Specialist teams, you'll help the team grow both personally and technically to maintain top-tier client service. Your tasks will include managing and analysing digital data, preparing GIS data, and ...
Posted Yesterday Be an Early Applicant Belfast, County Antrim, Northern Ireland Belfast, County Antrim, Northern IrelandAs a Senior Test Engineer, you will develop and execute functional automated and manual tests within an agile team, learning new technologies while improving testing processes. The summary above was generated by AI Join Kainos and Shape the Future - At Kainos, were problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether were transforming digital services for millions, delivering cutting-edge Workday solutions, or pushing the boundaries of technology, we do it together. We believe in a people-first culture , where your ideas are valued, your growth is supported, and your contributions truly make a difference. Here, youll be part of a diverse, ambitious team that celebrates creativity and collaboration.
Posted Yesterday Be an Early Applicant Belfast, County Antrim, Northern Ireland Belfast, County Antrim, Northern IrelandAs a Senior Test Engineer, you will develop and execute functional automated and manual tests within an agile team, learning new technologies while improving testing processes. The summary above was generated by AI Join Kainos and Shape the Future - At Kainos, were problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether were transforming digital services for millions, delivering cutting-edge Workday solutions, or pushing the boundaries of technology, we do it together. We believe in a people-first culture , where your ideas are valued, your growth is supported, and your contributions truly make a difference. Here, youll be part of a diverse, ambitious team that celebrates creativity and collaboration.
REST API design
REST API design
Develop and maintain backend and API testing solutions for services communicating via mechanisms like SNS queues
Develop and maintain backend and API testing solutions for services communicating via mechanisms like SNS queues
Solid understanding of microservices architecture and RESTful API design
Solid understanding of microservices architecture and RESTful API design
Backend is primarily serverless (API Gateway + Lambda) so exposure to those would be highly beneficial
Backend is primarily serverless (API Gateway + Lambda) so exposure to those would be highly beneficial
We expand and enhance their experience through the development and maintenance of 3rd party integration that extends our API, CLI and Webhook capabilities, while curating a public knowledge base to support customers to independently resolve common issues. * ReST, GraphQL, gRPC API Design
We expand and enhance their experience through the development and maintenance of 3rd party integration that extends our API, CLI and Webhook capabilities, while curating a public knowledge base to support customers to independently resolve common issues. * ReST, GraphQL, gRPC API Design
11 exact matches jobs are outside your preferred location
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Hands on experience in implementing API, Micro-services and application security
Hands on experience in implementing API, Micro-services and application security
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• Understanding of Microsoft Graph, automation tooling, and API?based platform integrations.
• Understanding of Microsoft Graph, automation tooling, and API?based platform integrations.
PREMIUM
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Define integration architecture (API-led, event-driven architecture)
Define integration architecture (API-led, event-driven architecture)
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Senior Full Stack Engineer (Python Focused) Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
Senior Full Stack Engineer (Python Focused) Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
Senior Full Stack Engineer - Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
Senior Full Stack Engineer - Outisde IR35 up to £525 - Intial 6 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
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Location: UK / Remote / Hybrid - Contract Type: Contract / Interim - About the Role - We are seeking Developers across multiple specialisms to join multidisciplinary digital teams within central government. You will help design, build and support high-quality, user-centred digital services delivered in line with GDS and modern engineering practices. Key Responsibilities * Build, test, deploy and iterate secure digital services across discovery, alpha, beta and live phases. * Collaborate closely with designers, user researchers, content designers, product managers and delivery teams to create user-centred solutions. * Apply government-wide accessibility and inclusive design standards to ensure services work for all users. * Support live service operations, including monitoring, troubleshooting and continual improvement.
Location: UK / Remote / Hybrid - Contract Type: Contract / Interim - About the Role - We are seeking Developers across multiple specialisms to join multidisciplinary digital teams within central government. You will help design, build and support high-quality, user-centred digital services delivered in line with GDS and modern engineering practices. Key Responsibilities * Build, test, deploy and iterate secure digital services across discovery, alpha, beta and live phases. * Collaborate closely with designers, user researchers, content designers, product managers and delivery teams to create user-centred solutions. * Apply government-wide accessibility and inclusive design standards to ensure services work for all users. * Support live service operations, including monitoring, troubleshooting and continual improvement.
PREMIUM
Job Title: Java Developer - Rate: £400 (InsideIR35) Duration: 12 Months - Location: Remote - Clearance: BPSS - Stages: 1 Stage - Must Have Government Experience - Key Responsibilities * Design, develop, and maintain Java applications in line with digital and engineering standards * Build and supportmicroservicesandRESTful APIs * Collaborate with product owners, designers, testers, and DevOps engineers in agile teams * Write clean, maintainable, and well-tested code (TDD/BDD where applicable) * Participate in code reviews and contribute to continuous improvement * Ensure applications meetsecurity, accessibility, and performancestandards * Troubleshoot and resolve defects across development and production environments * Support CI/CD pipelines and automated deployment processes - Essential Skills & Experience * Strong commercial experience withJava (Java 8+)
Job Title: Java Developer - Rate: £400 (InsideIR35) Duration: 12 Months - Location: Remote - Clearance: BPSS - Stages: 1 Stage - Must Have Government Experience - Key Responsibilities * Design, develop, and maintain Java applications in line with digital and engineering standards * Build and supportmicroservicesandRESTful APIs * Collaborate with product owners, designers, testers, and DevOps engineers in agile teams * Write clean, maintainable, and well-tested code (TDD/BDD where applicable) * Participate in code reviews and contribute to continuous improvement * Ensure applications meetsecurity, accessibility, and performancestandards * Troubleshoot and resolve defects across development and production environments * Support CI/CD pipelines and automated deployment processes - Essential Skills & Experience * Strong commercial experience withJava (Java 8+)
Location: Remote (UK / Europe) Rate: £400 £500 per day (Outside IR35) Duration: 6 Months - Start Date: ASAP - Company: 167 Solutions Ltd (on behalf of a global client) Overview - 167 Solutions Ltd is hiring a Salesforce Developer (Contract) to support a large-scale Salesforce transformation programme. This is a fully remote opportunity working within an enterprise environment across multiple Salesforce Clouds. Key Responsibilities * Design, develop and implement Salesforce solutions using Apex and Lightning Web Components (LWC) * Customise Salesforce across Sales Cloud, Service Cloud and Experience Cloud * Build and maintain integrations using REST/SOAP APIs * Work closely with Architects, Consultants and stakeholders to deliver scalable solutions * Support data migration, data modelling and system optimisation * Follow Salesforce best practices, CI/CD and deployment processes
Location: Remote (UK / Europe) Rate: £400 £500 per day (Outside IR35) Duration: 6 Months - Start Date: ASAP - Company: 167 Solutions Ltd (on behalf of a global client) Overview - 167 Solutions Ltd is hiring a Salesforce Developer (Contract) to support a large-scale Salesforce transformation programme. This is a fully remote opportunity working within an enterprise environment across multiple Salesforce Clouds. Key Responsibilities * Design, develop and implement Salesforce solutions using Apex and Lightning Web Components (LWC) * Customise Salesforce across Sales Cloud, Service Cloud and Experience Cloud * Build and maintain integrations using REST/SOAP APIs * Work closely with Architects, Consultants and stakeholders to deliver scalable solutions * Support data migration, data modelling and system optimisation * Follow Salesforce best practices, CI/CD and deployment processes
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Scala Developer – 12-Month Contract (Outside IR35)
Scala Developer – 12-Month Contract (Outside IR35)
Stealth IT Consulting Limited
UK
£450 per day £450 per day (Outside IR35)
£450 per day Fully Remote (UK-based) Occasional Out-of-Hours Work Required Im supporting a long-term programme looking for an experienced Scala Developer to join a high-performing engineering team on a 12-month Outside IR35 contract. * Strong commercial experience with Scala * Experience building high-quality, scalable backend services * Exposure to microservices, REST APIs, functional programming * Strong understanding of CI/CD and modern engineering practices * Cloud experience (AWS ideally) * Able to support occasional out-of-hours work when required?? * £450/day (Outside IR35) * 12 months * Remote * Immediate interviews & quick onboarding If youre available and interested, drop me a message or send over your CV.
£450 per day Fully Remote (UK-based) Occasional Out-of-Hours Work Required Im supporting a long-term programme looking for an experienced Scala Developer to join a high-performing engineering team on a 12-month Outside IR35 contract. * Strong commercial experience with Scala * Experience building high-quality, scalable backend services * Exposure to microservices, REST APIs, functional programming * Strong understanding of CI/CD and modern engineering practices * Cloud experience (AWS ideally) * Able to support occasional out-of-hours work when required?? * £450/day (Outside IR35) * 12 months * Remote * Immediate interviews & quick onboarding If youre available and interested, drop me a message or send over your CV.
FEATURED
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Rest API Integration
Rest API Integration
Written and maintained code that interfaces with the Kubernetes API, such as operators, controllers, add-ons, etc.
Written and maintained code that interfaces with the Kubernetes API, such as operators, controllers, add-ons, etc.
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