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40 API jobs in Newtownabbey + 5 miles

Senior OO Developer ( Java )

Ocho
Belfast, County Antrim
£61,000 - £71,000 per annum
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
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Senior Product Engineer (Hybrid)

Allstate Northern Ireland
Belfast, County Antrim
£ Not Disclosed
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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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.
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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.
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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, ..
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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
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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.
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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.
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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
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Web Developer In Belfast

Pale Blue Dot
Belfast, County Antrim
£50,000 per annum
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...
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13 exact matches jobs are outside your preferred location

The successful candidate will also be required to plan and schedule analysis for raw material and API release, stability and the vendor accreditation program.
The successful candidate will also be required to plan and schedule analysis for raw material and API release, stability and the vendor accreditation program.
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NEW

Salesforce Technical Manager

Kingspan Water & Energy Ltd
Craigavon, County Armagh
£ Not Disclosed
We are seeking an experienced Salesforce Technical Manager to lead our technical support team and Salesforce development team. The ideal candidate will be a Salesforce Certified Architect with expertise in Salesforce CRM, Field Service, and Revenue Cloud (RCA) or Configure, Price, Quote (CPQ). This role requires a strategic thinker with strong leadership skills who can drive technical excellence while aligning Salesforce solutions with business objectives. * Team Leadership & Management: Lead and mentor a team of Salesforce developers and technical support engineers, ensuring high performance and continuous professional growth. * Salesforce Architecture & Strategy: Design, implement, and maintain scalable Salesforce solutions while ensuring best practices, security, and compliance. * Technical Support Oversight: Manage and optimize the Salesforce technical support tea
We are seeking an experienced Salesforce Technical Manager to lead our technical support team and Salesforce development team. The ideal candidate will be a Salesforce Certified Architect with expertise in Salesforce CRM, Field Service, and Revenue Cloud (RCA) or Configure, Price, Quote (CPQ). This role requires a strategic thinker with strong leadership skills who can drive technical excellence while aligning Salesforce solutions with business objectives. * Team Leadership & Management: Lead and mentor a team of Salesforce developers and technical support engineers, ensuring high performance and continuous professional growth. * Salesforce Architecture & Strategy: Design, implement, and maintain scalable Salesforce solutions while ensuring best practices, security, and compliance. * Technical Support Oversight: Manage and optimize the Salesforce technical support tea
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Job type: Permanent - Location: Newry - Job Overview * HPLC Analysis * GC Analysis * UV / IR Spectrometry * Wet-Chemistry Techniques * Preparation and Completion of associated Documentation * Applicants must be educated to degree level in a Science related discipline with a strong analytical background. Applicants with 2 years GMP laboratory experience will be considered in the absence of a degree * Excellent written and oral communication skills * Practical Laboratory experience * GMP experience * HPLC/GC experience - Duration: Full time, permanent * Applicants should be able to provide proof that they have a right to work in the UK at the time of their application. Applicants who are unable to provide this proof will not be considered. * We regret that applications received after the closing date and time will not be accepted. Free Life Assurance - Company Pension S
Job type: Permanent - Location: Newry - Job Overview * HPLC Analysis * GC Analysis * UV / IR Spectrometry * Wet-Chemistry Techniques * Preparation and Completion of associated Documentation * Applicants must be educated to degree level in a Science related discipline with a strong analytical background. Applicants with 2 years GMP laboratory experience will be considered in the absence of a degree * Excellent written and oral communication skills * Practical Laboratory experience * GMP experience * HPLC/GC experience - Duration: Full time, permanent * Applicants should be able to provide proof that they have a right to work in the UK at the time of their application. Applicants who are unable to provide this proof will not be considered. * We regret that applications received after the closing date and time will not be accepted. Free Life Assurance - Company Pension S
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NEW
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.
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Salesforce Developer - Hybrid

Ocho
Ballymena, County Antrim
£30,000 - £40,000 per annum
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
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Software Engineer (.Net)

Ocho
Lisburn, County Antrim
£35,000 - £40,000 per annum
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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NEW
Full-time, Permanent - I am currently working with an NI based team who are looking for an experienced web developer to join the team. The company are looking for someone who is happy to come in and be one of the only Shopify developers in the team. You will work closely alongside the graphic designer and sales teams. The team require someone who can work on-site 4 days per-week. This is a great opportunity to move into one of the most successful online platforms in Ireland. They are open to mid-senior level candidates. * Build, customise and maintain responsive Shopify websites * Develop and implement custom themes, features, and third-party integrations * Optimise site performance, speed, and UX across devices * Work closely with our design, marketing, and product teams to translate ideas into functional, user-friendly storefronts
Full-time, Permanent - I am currently working with an NI based team who are looking for an experienced web developer to join the team. The company are looking for someone who is happy to come in and be one of the only Shopify developers in the team. You will work closely alongside the graphic designer and sales teams. The team require someone who can work on-site 4 days per-week. This is a great opportunity to move into one of the most successful online platforms in Ireland. They are open to mid-senior level candidates. * Build, customise and maintain responsive Shopify websites * Develop and implement custom themes, features, and third-party integrations * Optimise site performance, speed, and UX across devices * Work closely with our design, marketing, and product teams to translate ideas into functional, user-friendly storefronts
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Analytical Opportunities

Almac Group Ltd
Craigavon, County Armagh
£ Not Disclosed
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.
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Azure Data Architect

Ocho
Northern Ireland
£65,000 - £85,000 per annum
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).
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Frequently Asked Questions

How many API jobs are there in Newtownabbey?
There are 40 API jobs within 5 miles of Newtownabbey available on NIJobs right now.
What other similar jobs are there to API jobs in Newtownabbey?
As well as API jobs in Newtownabbey, you can find IT, Software Development, Database, amongst many others.