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40 API jobs in County Down + 5 miles
Senior Backend Engineer Kotlin / JVM | Cloud-Native Platform - Location: UK (Remote-first) Building Teams OCHO - Were working with a product-led scaleup building the next generation of marketplace infrastructurebringing together deep domain complexity, cloud-native scale, and a culture that values clean architecture, engineering maturity, and collaborative delivery. This client is growing their backend capability and hiring a Senior Backend Engineer who can balance systems thinking with code quality, fast iteration, and product ownership. This is a team where youll influence not just what gets builtbut how. What Youll Be Doing * Designing and building performant, secure, and scalable backend services using Kotlin within a Spring Boot and GCP ecosystem. * Contributing to the evolution of a distributed, service-oriented architecture, including ownership of core product
Senior Backend Engineer Kotlin / JVM | Cloud-Native Platform - Location: UK (Remote-first) Building Teams OCHO - Were working with a product-led scaleup building the next generation of marketplace infrastructurebringing together deep domain complexity, cloud-native scale, and a culture that values clean architecture, engineering maturity, and collaborative delivery. This client is growing their backend capability and hiring a Senior Backend Engineer who can balance systems thinking with code quality, fast iteration, and product ownership. This is a team where youll influence not just what gets builtbut how. What Youll Be Doing * Designing and building performant, secure, and scalable backend services using Kotlin within a Spring Boot and GCP ecosystem. * Contributing to the evolution of a distributed, service-oriented architecture, including ownership of core product
Knowledge of microservices architecture & API development
Knowledge of microservices architecture & API development
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3+ years of experience In Java/J2EE development, with exposure to REST API design and implementation using IntelliJ IDEA.
3+ years of experience In Java/J2EE development, with exposure to REST API design and implementation using IntelliJ IDEA.
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Software Engineer in Test III (SET III)
Software Engineer in Test III (SET III)
CME Technology Support Services Ltd
Belfast, County Antrim
£ Not Disclosed
Familiarity with testing REST API's and API testing frameworks
Familiarity with testing REST API's and API testing frameworks
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Familiarity with microservices architecture and RESTful API design.
Familiarity with microservices architecture and RESTful API design.
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Senior Application Support Engineer (12 Month FTC)
Senior Application Support Engineer (12 Month FTC)
VANRATH
Belfast, County Antrim
£64,000 - £69,500 per annum
Understanding of API-based integrations and experience working with third-party tools and connectors.
Understanding of API-based integrations and experience working with third-party tools and connectors.
Experience in API development using REST, SOAP,JSON, and XML. Strong understanding of API security, security standards, data encryption, and HSMs.
Experience in API development using REST, SOAP,JSON, and XML. Strong understanding of API security, security standards, data encryption, and HSMs.
Actively participate in development projects, constructing, REST services API, and container-based services. * Proficient in Web Services/API Development using SOAP or REST, JSON and XML. * Strong technical competency and experience with API testing, Java automation and end to end testing.
Actively participate in development projects, constructing, REST services API, and container-based services. * Proficient in Web Services/API Development using SOAP or REST, JSON and XML. * Strong technical competency and experience with API testing, Java automation and end to end testing.
Your primary responsibilities will involve backend development, API integration, and collaboration with frontend...
Your primary responsibilities will involve backend development, API integration, and collaboration with frontend...
Version 1 Belfast Department: Digital, Data & Cloud Job Description We are seeking an experienced Technical Lead to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity for you to achieve medium and long-term career goals. There will be a fantastic opportunity to work on some challenging and interesting, large scale transformational and migration projects within both public and private sector. Designing, developing, testing, and maintaining cloud-based software applications. Technical leadership within a team to coordinate and deliver scalable, secure solutions in line with good industry software engineering practices (code quality, CI/CD, security etc). Working within a project management/agile delivery methodology Experience in technical ownership for a product or software solution, covering design, ..
Version 1 Belfast Department: Digital, Data & Cloud Job Description We are seeking an experienced Technical Lead to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity for you to achieve medium and long-term career goals. There will be a fantastic opportunity to work on some challenging and interesting, large scale transformational and migration projects within both public and private sector. Designing, developing, testing, and maintaining cloud-based software applications. Technical leadership within a team to coordinate and deliver scalable, secure solutions in line with good industry software engineering practices (code quality, CI/CD, security etc). Working within a project management/agile delivery methodology Experience in technical ownership for a product or software solution, covering design, ..
Full-time - Department: Apps Modernisation & Integration - Company Description - Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, and Snowflake, ensuring that our customers are provided with the highest quality solutions and services. * UK & Ireland's premier AWS, Microsoft & Oracle partner * 3400+ strong, €350/£300m revenue business * 10+ years as a Great Place to Work in Ireland & UK * Best Workplace for Women in the UK & Ireland by GPTW * Best Workplace for Wellbeing in the UK by GPTW
Full-time - Department: Apps Modernisation & Integration - Company Description - Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, and Snowflake, ensuring that our customers are provided with the highest quality solutions and services. * UK & Ireland's premier AWS, Microsoft & Oracle partner * 3400+ strong, €350/£300m revenue business * 10+ years as a Great Place to Work in Ireland & UK * Best Workplace for Women in the UK & Ireland by GPTW * Best Workplace for Wellbeing in the UK by GPTW
Demonstrated experience of Automated Quality Assurance: Deliver overnight cross-browser, functional, non-functional, API, integration and acceptance tests.
Demonstrated experience of Automated Quality Assurance: Deliver overnight cross-browser, functional, non-functional, API, integration and acceptance tests.
Actively participate in full stack development projects, constructing real-time transactional services, REST services API, and container-based services. * Understanding and experience with building real-time transactional services, REST services API, and container-based services. * Proficient in Web Services/API Development using SOAP or REST, JSON and XML.
Actively participate in full stack development projects, constructing real-time transactional services, REST services API, and container-based services. * Understanding and experience with building real-time transactional services, REST services API, and container-based services. * Proficient in Web Services/API Development using SOAP or REST, JSON and XML.
Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, and Snowflake, ensuring that our customers are provided with the highest quality solutions and services. * UK & Ireland's premier AWS, Microsoft & Oracle partner * 3400+ strong, €350/£300m revenue business * 10+ years as a Great Place to Work in Ireland & UK * Best Workplace for Women in the UK & Ireland by GPTW * Best Workplace for Wellbeing in the UK by GPTW * Were a core values driven company, we hire people who share our values, and we reward those who display and foster them, its deeply embedded
Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, and Snowflake, ensuring that our customers are provided with the highest quality solutions and services. * UK & Ireland's premier AWS, Microsoft & Oracle partner * 3400+ strong, €350/£300m revenue business * 10+ years as a Great Place to Work in Ireland & UK * Best Workplace for Women in the UK & Ireland by GPTW * Best Workplace for Wellbeing in the UK by GPTW * Were a core values driven company, we hire people who share our values, and we reward those who display and foster them, its deeply embedded
Your primary responsibilities will involve backend development, API integration, and collaboration with frontend...
Your primary responsibilities will involve backend development, API integration, and collaboration with frontend...
10 exact matches jobs are outside your preferred location
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Experience on : SFDX,LWC, Aura, Apex, Visual Force, SOQL, SOSL, Apex Triggers, Workflows, Approvals, Email Templates, Formulas, Validation Rules, AppExchange, IDE, Data Loader, SOAP API, REST API, Bulk API, and Streaming API
Experience on : SFDX,LWC, Aura, Apex, Visual Force, SOQL, SOSL, Apex Triggers, Workflows, Approvals, Email Templates, Formulas, Validation Rules, AppExchange, IDE, Data Loader, SOAP API, REST API, Bulk API, and Streaming API
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Intermediate Java Developer - Hybrid (Ballymena)
Intermediate Java Developer - Hybrid (Ballymena)
Ocho
Ballymena, County Antrim
£30,000 - £40,000 per annum
My client, a forward-thinking digital consultancy based in Ballymena, is looking for an Intermediate Java Developer to join their growing team. You'll be part of a tight-knit, tech-driven crew working on a wide range of impactful projects, from intelligent data platforms and mobile applications to custom software solutions that solve real business problems. If you're someone who thrives in a collaborative environment and wants to write clean, scalable Java code that makes a difference, keep reading. * Building and maintaining Java applications using Spring Boot, Spring MVC, and the wider Spring ecosystem. * Working closely with talented designers, analysts, and developers to bring ideas to life. * Designing and fine-tuning databases (PostgreSQL, MySQL, etc.) to ensure performance and reliability.
My client, a forward-thinking digital consultancy based in Ballymena, is looking for an Intermediate Java Developer to join their growing team. You'll be part of a tight-knit, tech-driven crew working on a wide range of impactful projects, from intelligent data platforms and mobile applications to custom software solutions that solve real business problems. If you're someone who thrives in a collaborative environment and wants to write clean, scalable Java code that makes a difference, keep reading. * Building and maintaining Java applications using Spring Boot, Spring MVC, and the wider Spring ecosystem. * Working closely with talented designers, analysts, and developers to bring ideas to life. * Designing and fine-tuning databases (PostgreSQL, MySQL, etc.) to ensure performance and reliability.
Ocho is working on behalf of a well-regarded digital consultancy that delivers bespoke Salesforce solutions for clients across a range of industries. This organisation is known for its innovative projects, collaborative culture, and commitment to technical excellence. Due to continued growth, they are looking for an experienced Salesforce Developer to join their team. This is an excellent opportunity for a mid-level Salesforce Developer to work on cutting-edge solutions, contribute to technical design, and shape end-to-end implementations that have real business impact. You will be responsible for developing, customising, and integrating Salesforce solutions that support client business objectives. * Design and develop Salesforce applications using Apex, Lightning Web Components, Visualforce, and Flows * Integrate Salesforce with third-party APIs and legacy systems
Ocho is working on behalf of a well-regarded digital consultancy that delivers bespoke Salesforce solutions for clients across a range of industries. This organisation is known for its innovative projects, collaborative culture, and commitment to technical excellence. Due to continued growth, they are looking for an experienced Salesforce Developer to join their team. This is an excellent opportunity for a mid-level Salesforce Developer to work on cutting-edge solutions, contribute to technical design, and shape end-to-end implementations that have real business impact. You will be responsible for developing, customising, and integrating Salesforce solutions that support client business objectives. * Design and develop Salesforce applications using Apex, Lightning Web Components, Visualforce, and Flows * Integrate Salesforce with third-party APIs and legacy systems
Job Title: Software Engineer Full Stack - Location: Hybrid - Our client is modernising its systems to deliver innovative, scalable solutions. Join us to shape the future of our platform with cutting-edge technology. Were seeking a Full Stack Software Engineer with expertise in the .NET framework and React to modernize our client's existing systems and build new features. Youll work across the development lifecycle, collaborating with a dynamic team to deliver impactful solutions. * Develop and modernize full-stack applications using .NET and React. * Build APIs, backend services, and responsive front-end applications. * Collaborate with cross-functional teams to deliver high-quality solutions. * Write clean, maintainable code and resolve technical challenges. * Experience with .NET (C# preferred) and React. * Strong understanding of relational databases (e.g., SQL Ser
Job Title: Software Engineer Full Stack - Location: Hybrid - Our client is modernising its systems to deliver innovative, scalable solutions. Join us to shape the future of our platform with cutting-edge technology. Were seeking a Full Stack Software Engineer with expertise in the .NET framework and React to modernize our client's existing systems and build new features. Youll work across the development lifecycle, collaborating with a dynamic team to deliver impactful solutions. * Develop and modernize full-stack applications using .NET and React. * Build APIs, backend services, and responsive front-end applications. * Collaborate with cross-functional teams to deliver high-quality solutions. * Write clean, maintainable code and resolve technical challenges. * Experience with .NET (C# preferred) and React. * Strong understanding of relational databases (e.g., SQL Ser
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Our state-of-the-art analytical labs support drug substance (API) and drug product (finished product) analytics across all phases of clinical development and into commercial release.
Our state-of-the-art analytical labs support drug substance (API) and drug product (finished product) analytics across all phases of clinical development and into commercial release.
Hybrid Software Engineer II (Node.js, TypeScript, React.js, AWS) at Globalization partners
Hybrid Software Engineer II (Node.js, TypeScript, React.js, AWS) at Globalization partners
Globalization Partners
Dungannon, County Tyrone
£ Not Disclosed
Solid understanding of and (e.g., Lambda, DynamoDB, API Gateway, S3, etc.).cloud-native application developmentmodern AWS services
Solid understanding of and (e.g., Lambda, DynamoDB, API Gateway, S3, etc.).cloud-native application developmentmodern AWS services
API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. * Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML).
API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. * Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML).
Principal / Staff Backend Engineer (Python + AWS) Location: Fully Remote (UK) OCHO Building Teams - Were partnering with an award-winning tech company transforming its sector with data-rich, cloud-native platforms. They're scaling with purpose investing in developer experience, platform reliability, and scalable architecture. Were hiring for Principal and Staff-level Engineers with deep Python and AWS expertise engineers who think beyond code to shape systems, influence decisions, and mentor others. You'll be instrumental in evolving a platform that digitises complex workflows and surfaces operational insights in real time. What Youll Be Doing * Architecting and building production-grade backend services and APIs using Python (Django or Flask). * Designing distributed systems on AWS, with performance, resilience, and scalability top of mind.
Principal / Staff Backend Engineer (Python + AWS) Location: Fully Remote (UK) OCHO Building Teams - Were partnering with an award-winning tech company transforming its sector with data-rich, cloud-native platforms. They're scaling with purpose investing in developer experience, platform reliability, and scalable architecture. Were hiring for Principal and Staff-level Engineers with deep Python and AWS expertise engineers who think beyond code to shape systems, influence decisions, and mentor others. You'll be instrumental in evolving a platform that digitises complex workflows and surfaces operational insights in real time. What Youll Be Doing * Architecting and building production-grade backend services and APIs using Python (Django or Flask). * Designing distributed systems on AWS, with performance, resilience, and scalability top of mind.
Hands-on experience with AWS, ideally including Lambda, API Gateway, CloudFront, and S3.
Hands-on experience with AWS, ideally including Lambda, API Gateway, CloudFront, and S3.
Experience with RESTful API development and integration.
Experience with RESTful API development and integration.