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        73 API jobs in Northern Ireland + 5 miles

        Technical lead manager

        Kingspan Water & Energy Ltd
        Craigavon, County Armagh
        £ Not Disclosed
        We are seeking an experiencedTechnical Manager to lead our technical support team and Salesforce development team. The ideal candidate will be aSalesforce Certified Architect with expertise inSalesforce 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 team to resolve .
        We are seeking an experiencedTechnical Manager to lead our technical support team and Salesforce development team. The ideal candidate will be aSalesforce Certified Architect with expertise inSalesforce 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 team to resolve .
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        Data Engineer

        PA Consulting
        Belfast, County Antrim
        £ Not Disclosed
        Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
        Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
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        NEW

        Data Engineer

        PA Consulting
        Belfast, County Antrim
        £ Not Disclosed
        Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
        Company description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description
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        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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        Technical Ability - Proficiency in React (including Hooks, Context API, and modern best practices). * Experience with RESTful API integration and data fetching * Experience with state management solutions (e.g., Redux, Zustand, Context API)
        Technical Ability - Proficiency in React (including Hooks, Context API, and modern best practices). * Experience with RESTful API integration and data fetching * Experience with state management solutions (e.g., Redux, Zustand, Context API)
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        Shift Plant Chemist

        Almac Group Ltd
        Craigavon, County Armagh
        £ Not Disclosed
        Location: Craigavon - Hours: 40 hours per week. 8 hour rotational shift covering days, evenings and nights. week 1: 23:30 to 08:00, week 2: 15:30 to 00:00; week 3: 07:30 to 16:00 - Salary: Competitive - Business Unit: Sciences - Open To: Internal and External Applicants - The Role - Working as part of the Operations team based in our global headquarters in Craigavon, your main role will be to be the process scale up expert to aid the transfer of small molecule chemical processes from the laboratory into GMP Manufacturing. This will be achieved through close working with the production staff, development chemists, chemical engineering, solid state group, HSE and other supporting departments to ensure that the laboratory chemistry is safe, and suitable for scale up. As part of a busy team within a rapidly growing organisation, operating within a challenging industry you
        Location: Craigavon - Hours: 40 hours per week. 8 hour rotational shift covering days, evenings and nights. week 1: 23:30 to 08:00, week 2: 15:30 to 00:00; week 3: 07:30 to 16:00 - Salary: Competitive - Business Unit: Sciences - Open To: Internal and External Applicants - The Role - Working as part of the Operations team based in our global headquarters in Craigavon, your main role will be to be the process scale up expert to aid the transfer of small molecule chemical processes from the laboratory into GMP Manufacturing. This will be achieved through close working with the production staff, development chemists, chemical engineering, solid state group, HSE and other supporting departments to ensure that the laboratory chemistry is safe, and suitable for scale up. As part of a busy team within a rapidly growing organisation, operating within a challenging industry you
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        Senior Golang/Python Developer - 100% Remote role - Please note ideally candidates should be based in Northern Ireland. * Salary: £80,000 - circa £1200,000 + market leading package - Our client is a global software business delivering intelligent, cloud-native solutions that help organisations optimise and manage their cloud environments. With engineering teams distributed across North America, the UK, and Europe, they are now building a next-generation FinOps platform designed for scale, performance, and security. The company promotes a collaborative, remote-first culture and is investing heavily in product and engineering talent. We're looking for a Senior Backend Developer with strong hands-on experience in Golang and Python to help shape and build a new cloud-based FinOps platform. You'll work closely with product managers, frontend engineers, and SREs to deliver
        Senior Golang/Python Developer - 100% Remote role - Please note ideally candidates should be based in Northern Ireland. * Salary: £80,000 - circa £1200,000 + market leading package - Our client is a global software business delivering intelligent, cloud-native solutions that help organisations optimise and manage their cloud environments. With engineering teams distributed across North America, the UK, and Europe, they are now building a next-generation FinOps platform designed for scale, performance, and security. The company promotes a collaborative, remote-first culture and is investing heavily in product and engineering talent. We're looking for a Senior Backend Developer with strong hands-on experience in Golang and Python to help shape and build a new cloud-based FinOps platform. You'll work closely with product managers, frontend engineers, and SREs to deliver
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        Principal Software Engineer - (Fully Remote) The Opportunity - Ocho is partnering with a fast-scaling, product-led Client to find a Principal Software Engineer to help lead the design and evolution of their new platform. You'll help design, build, and deploy the next generation of back-end systems that power their modern software ecosystem. Key Responsibilities * Collaborate closely with team members to deliver high-quality, testable, and valuable software * Take ownership of back-end services and APIs, with a focus on user-visible behaviour * Participate in deployments, support CI/CD pipelines, and assist with planning and delivery * Contribute ideas for improving processes, tooling, and architecture - Essential Experience * 8+ years C# / .Net Development experience * Experience in back-end / SaaS development * Experience with SQL databases
        Principal Software Engineer - (Fully Remote) The Opportunity - Ocho is partnering with a fast-scaling, product-led Client to find a Principal Software Engineer to help lead the design and evolution of their new platform. You'll help design, build, and deploy the next generation of back-end systems that power their modern software ecosystem. Key Responsibilities * Collaborate closely with team members to deliver high-quality, testable, and valuable software * Take ownership of back-end services and APIs, with a focus on user-visible behaviour * Participate in deployments, support CI/CD pipelines, and assist with planning and delivery * Contribute ideas for improving processes, tooling, and architecture - Essential Experience * 8+ years C# / .Net Development experience * Experience in back-end / SaaS development * Experience with SQL databases
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        Location: Remote (NI-based) or Belfast City Centre (Grade A office) Salary: Up to £50,000 + benefits - We're hiring a Mid-Level Python Engineer to join one of the most exciting greenfield builds in the UK & Ireland market. You'll be working within an elite engineering team headed up by two of the best technical architects in Belfast - a rare chance to accelerate your career in an environment that genuinely promotes learning, engineering best practices, and innovation. * Work remotely from anywhere in the UK or from a Grade A office space in Belfast * Build a greenfield platform on AWS from the ground up * Exposure to bleeding-edge technologies, tooling and practices * Collaborate with and learn from industry-leading architects * Opportunity to shape the direction of a brand-new product * Solid Python engineering experience (ideally 2-4 years)
        Location: Remote (NI-based) or Belfast City Centre (Grade A office) Salary: Up to £50,000 + benefits - We're hiring a Mid-Level Python Engineer to join one of the most exciting greenfield builds in the UK & Ireland market. You'll be working within an elite engineering team headed up by two of the best technical architects in Belfast - a rare chance to accelerate your career in an environment that genuinely promotes learning, engineering best practices, and innovation. * Work remotely from anywhere in the UK or from a Grade A office space in Belfast * Build a greenfield platform on AWS from the ground up * Exposure to bleeding-edge technologies, tooling and practices * Collaborate with and learn from industry-leading architects * Opportunity to shape the direction of a brand-new product * Solid Python engineering experience (ideally 2-4 years)
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        Senior Software Developer - .NET / JavaScript / AWS - Belfast, Northern Ireland (Hybrid) Permanent | 37.5 hours/week - Contact: Ryan Quinn - OCHO - Building Teams - The Company - OCHO is partnered with a boutique professional services firm based in Belfast with a reputation for helping businesses and individuals navigate financial challenges. While the organisation's core is consultancy, they've made a strategic shift towards technology-building internal tools and client-facing platforms that are central to service delivery. With leadership buy-in and a collaborative, flat team structure, you'll be part of a tight-knit environment where your decisions have real business impact. The Role - This is a hands-on Senior Software Developer position ideal for someone who thrives in full-stack .NET environments and wants to shape real-world tools used by legal and finance prof
        Senior Software Developer - .NET / JavaScript / AWS - Belfast, Northern Ireland (Hybrid) Permanent | 37.5 hours/week - Contact: Ryan Quinn - OCHO - Building Teams - The Company - OCHO is partnered with a boutique professional services firm based in Belfast with a reputation for helping businesses and individuals navigate financial challenges. While the organisation's core is consultancy, they've made a strategic shift towards technology-building internal tools and client-facing platforms that are central to service delivery. With leadership buy-in and a collaborative, flat team structure, you'll be part of a tight-knit environment where your decisions have real business impact. The Role - This is a hands-on Senior Software Developer position ideal for someone who thrives in full-stack .NET environments and wants to shape real-world tools used by legal and finance prof
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        Job Title: Senior Software Engineer - Location: Belfast (3 days a week in office) Salary: £55,000-£65,000 depending on experience - Type: Full-time, Permanent - We're hiring for a Senior Software Engineer to join a high-performing engineering team delivering complex software solutions across a large-scale technology estate. This is a hands-on role within a collaborative Agile environment, where you'll help shape the architecture, support junior team members, and drive best practices in engineering and delivery. You'll be working across distributed systems, modern cloud platforms, and scalable backend services that underpin a critical internal and external user base. Collaborate with architecture leads and senior stakeholders to design robust, scalable software systems - Own technical delivery from design through deployment and support
        Job Title: Senior Software Engineer - Location: Belfast (3 days a week in office) Salary: £55,000-£65,000 depending on experience - Type: Full-time, Permanent - We're hiring for a Senior Software Engineer to join a high-performing engineering team delivering complex software solutions across a large-scale technology estate. This is a hands-on role within a collaborative Agile environment, where you'll help shape the architecture, support junior team members, and drive best practices in engineering and delivery. You'll be working across distributed systems, modern cloud platforms, and scalable backend services that underpin a critical internal and external user base. Collaborate with architecture leads and senior stakeholders to design robust, scalable software systems - Own technical delivery from design through deployment and support
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        Frequently Asked Questions

        How many API jobs are there in Northern Ireland?
        There are 73 API jobs within 5 miles of Northern Ireland available on NIJobs right now.

        What other similar jobs are there to API jobs in Northern Ireland?
        As well as API jobs in Northern Ireland, you can find IT, Software Development, Testing, amongst many others.

        How many temporary and part-time API jobs are available in Northern Ireland?
        There are 1 temporary API jobs and 0 part-time API jobs available in Northern Ireland at the moment.