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        1 Permanent API job in Belfast + 20 miles

        EIS Service and Support G7 Platform Operations Manager

        H M Revenue & Customs (HMRC)
        UK
        From £56,344 to £62,590 per annum
        EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
        EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
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        NEWFEATURED

        7 exact matches jobs are outside your preferred location

        Technical Integration Lead

        Zorba Consulting
        UK
        From £60,000 to £70,000 per annum 28 days hols, health insurance, soci
        Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
        Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
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        NEW
        Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
        Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
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        NEWFEATURED

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        Software Engineering Lead

        WHD Consulting Ltd
        SL6, Maidenhead
        From £75,000 to £85,000 per annum
        As an engineering leader, you will lead Agile engineering resources & provide guidance from inception through release of major & point product releases, including ongoing maintenance. 10+ years of combined experience in software engineering, enterprise architecture and/or DevOps - I am looking for an Engineering Manager for a market leading client in Maidenhead. You will be working closely with your product managers, product owners, engineering leaders, your team and other stakeholders. Lead an organization of 4-10 development & test engineers globally to efficiently produce high quality deliverables - Manage team leads, direct reports or a mix of both - Recruit & provide leadership, coaching & career planning for
        As an engineering leader, you will lead Agile engineering resources & provide guidance from inception through release of major & point product releases, including ongoing maintenance. 10+ years of combined experience in software engineering, enterprise architecture and/or DevOps - I am looking for an Engineering Manager for a market leading client in Maidenhead. You will be working closely with your product managers, product owners, engineering leaders, your team and other stakeholders. Lead an organization of 4-10 development & test engineers globally to efficiently produce high quality deliverables - Manage team leads, direct reports or a mix of both - Recruit & provide leadership, coaching & career planning for
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        As Software Engineering Manager, youll be critical to the technical development, reporting directly to the Head of Software Engineering. As the primary Software Engineering Manager,you will be required to lead their talented Java and .NET teams, that will help shape the future of their technical delivery and innovation. * Proven experience as a Software Engineering Manager in a fast-paced environment. Youll balance strategic leadership with hands-on technical involvement, ensuring that all software solutions align with business goals and deliver client value * Lead and inspire Java and .NET development teams to deliver high-quality software. Milton Keynes Hybrid (3 days office-based each week) Working with an established partner to the gaming industry
        As Software Engineering Manager, youll be critical to the technical development, reporting directly to the Head of Software Engineering. As the primary Software Engineering Manager,you will be required to lead their talented Java and .NET teams, that will help shape the future of their technical delivery and innovation. * Proven experience as a Software Engineering Manager in a fast-paced environment. Youll balance strategic leadership with hands-on technical involvement, ensuring that all software solutions align with business goals and deliver client value * Lead and inspire Java and .NET development teams to deliver high-quality software. Milton Keynes Hybrid (3 days office-based each week) Working with an established partner to the gaming industry
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        NEW
        Are you an experienced Software Engineer with strong expertise in .NET Core and Azure? Experience: 8-10 years as a Software Engineer Epsom & Remote | 6-Month Contract | £69/hr (Inside IR35) We're looking for a talented developer to join our IT Services team on a 6-month contract to help deliver modern, high-quality applications and support the migration of legacy systems to newer technologies. This is a fantastic opportunity to work within an evolving IT function that's shifting from "Business as Usual" to becoming a true digital partner to the business, driving innovation and value through technology. Develop and enhance custom applications using .NET Core (C#), Entity Framework Core, Razor Pages, and Blazor. Support migration of older applications to modern technologies. Collaborate with IT and business teams to ensure high-quality,
        Are you an experienced Software Engineer with strong expertise in .NET Core and Azure? Experience: 8-10 years as a Software Engineer Epsom & Remote | 6-Month Contract | £69/hr (Inside IR35) We're looking for a talented developer to join our IT Services team on a 6-month contract to help deliver modern, high-quality applications and support the migration of legacy systems to newer technologies. This is a fantastic opportunity to work within an evolving IT function that's shifting from "Business as Usual" to becoming a true digital partner to the business, driving innovation and value through technology. Develop and enhance custom applications using .NET Core (C#), Entity Framework Core, Razor Pages, and Blazor. Support migration of older applications to modern technologies. Collaborate with IT and business teams to ensure high-quality,
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        NEW

        Lead Software Engineer

        GMA Consulting
        G2, Glasgow
        £50,000-£60,000K base + bonus and benefits
        Is for a talented Lead Software Engineer to join our team and take ownership of delivering high-quality solutions for our clients. Is a Scottish based consulting business that is a leader in its field providing software solutions to customers across the globe. · Lead by example in coding, architecture, and solution design. · A proven track record in software engineering and solution delivery. · A passion for building high-quality, scalable software. This is a hands-on technical leadership role where you'll set the standard for engineering excellence, mentor developers, and represent the technical face of the company in client projects - What You'll Do · Act as the primary technical point of contact for client engagements. · Translate client requirements into scalable, elegant solution
        Is for a talented Lead Software Engineer to join our team and take ownership of delivering high-quality solutions for our clients. Is a Scottish based consulting business that is a leader in its field providing software solutions to customers across the globe. · Lead by example in coding, architecture, and solution design. · A proven track record in software engineering and solution delivery. · A passion for building high-quality, scalable software. This is a hands-on technical leadership role where you'll set the standard for engineering excellence, mentor developers, and represent the technical face of the company in client projects - What You'll Do · Act as the primary technical point of contact for client engagements. · Translate client requirements into scalable, elegant solution
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        Lead AV Installation Engineer / Lutron Programmer

        Creative Personnel
        SW1, South West London
        From £40,000 to £50,000 per annum
        They are now looking for a true master in the fine art of custom av installation. As a lead engineer you will be expected to be a figure on site that can take control of other engineers and trades to make sure the project is delivered on time and on budget. You will have previous experience of the installation / configuration / commissioning of Crestron or Control4 or Savant AV control systems. You will need to have a min of 4 years experience in this specific AV market. The clients offer a good career and relevant AV training to further develop your skills and knowledge. AV A/V A-V AUDIOVISUAL AUDIO-VISUAL AUDIO/VISUAL VIDEO CRESTRON DM NVX LUTRON CONTROL4 CEDIA SAVANT AUTOMATION RESIDENTIAL BESPOKE
        They are now looking for a true master in the fine art of custom av installation. As a lead engineer you will be expected to be a figure on site that can take control of other engineers and trades to make sure the project is delivered on time and on budget. You will have previous experience of the installation / configuration / commissioning of Crestron or Control4 or Savant AV control systems. You will need to have a min of 4 years experience in this specific AV market. The clients offer a good career and relevant AV training to further develop your skills and knowledge. AV A/V A-V AUDIOVISUAL AUDIO-VISUAL AUDIO/VISUAL VIDEO CRESTRON DM NVX LUTRON CONTROL4 CEDIA SAVANT AUTOMATION RESIDENTIAL BESPOKE
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        NEW

        Python Engineer

        McGregor Boyall Associates Limited
        EH1, Edinburgh
        Negotiable
        We're looking for an experienced Python Engineer with a strong understanding of AI/ML/ AWS, and commercial expertise in deploying AI systems using state-of-the-art machine learning libraries, cloud infrastructure, and modern Python-based tooling. * Strong Python 3.9+ skills with deep understanding of OOP, async/await, and debugging - 6-month contract (extensions highly likely) £480-£520 per day Outside ir35 - Remote contract * Building production-grade AI systems using LLMs, Object Detection, and OCR * Leveraging frameworks like Hugging Face Transformers, PyTorch, YOLO, OpenCV, and Pillow * Designing and deploying AI services via FastAPI, AWS Lambda, EKS/ECS, and S3 * Creating scalable data pipelines with Pandas, NumPy, SQLAlchemy, and Airflow * Supporting real-time model inference, edge deployments, and API integrati
        We're looking for an experienced Python Engineer with a strong understanding of AI/ML/ AWS, and commercial expertise in deploying AI systems using state-of-the-art machine learning libraries, cloud infrastructure, and modern Python-based tooling. * Strong Python 3.9+ skills with deep understanding of OOP, async/await, and debugging - 6-month contract (extensions highly likely) £480-£520 per day Outside ir35 - Remote contract * Building production-grade AI systems using LLMs, Object Detection, and OCR * Leveraging frameworks like Hugging Face Transformers, PyTorch, YOLO, OpenCV, and Pillow * Designing and deploying AI services via FastAPI, AWS Lambda, EKS/ECS, and S3 * Creating scalable data pipelines with Pandas, NumPy, SQLAlchemy, and Airflow * Supporting real-time model inference, edge deployments, and API integrati
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        NEW
        We are seeking a talented Software Development Engineer 2 (SDE2) to join our team focusing on a critical aspect of our catalogue systems. * Collaborate closely with SDE 3s to deliver on migration projects. * Proficiency in software development using Java and/or PERL. * Minimum 3 years of experience in building software and migration within Spring and PERL. Job Description - You will play a key role in migrating and maintaining our systems, ensuring they meet the demands of increasing traffic. This project involves working on foundational database technologies to redefine data storage and retrieval in large-scale distributed databases. Responsibilities * Debug and migrate legacy PERL code and APIs to a new platform. * Manage and ensure the quality of code before production release. * P
        We are seeking a talented Software Development Engineer 2 (SDE2) to join our team focusing on a critical aspect of our catalogue systems. * Collaborate closely with SDE 3s to deliver on migration projects. * Proficiency in software development using Java and/or PERL. * Minimum 3 years of experience in building software and migration within Spring and PERL. Job Description - You will play a key role in migrating and maintaining our systems, ensuring they meet the demands of increasing traffic. This project involves working on foundational database technologies to redefine data storage and retrieval in large-scale distributed databases. Responsibilities * Debug and migrate legacy PERL code and APIs to a new platform. * Manage and ensure the quality of code before production release. * P
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        NEW
        They are looking for a Senior Software Engineer with strong Python expertise to join a high-impact programme, developing solutions that address complex operational challenges. If you're a Python engineer ready to step into a senior role, this could be the right move for you. Our client is a specialist technology consultancy delivering bespoke software and data solutions to government, defence, and critical national infrastructure sectors. * Design, develop, and test high-quality software solutions. * Proven commercial experience with Python and modern cloud technologies (AWS experience is a strong advantage). This is an opportunity to join a forward-looking team delivering software th
        They are looking for a Senior Software Engineer with strong Python expertise to join a high-impact programme, developing solutions that address complex operational challenges. If you're a Python engineer ready to step into a senior role, this could be the right move for you. Our client is a specialist technology consultancy delivering bespoke software and data solutions to government, defence, and critical national infrastructure sectors. * Design, develop, and test high-quality software solutions. * Proven commercial experience with Python and modern cloud technologies (AWS experience is a strong advantage). This is an opportunity to join a forward-looking team delivering software th
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        PREMIUM

        Software Product Support Engineer ( C++ / Linux )

        Certain Advantage
        Filton, BS34 7QS
        £68 per hour, Benefits Overtime rate of 'time and a quarter'
        World Class Defence Organisation based in Bristol is currently looking to recruit a C++ / Linux Software Product Support Engineer subcontractor on an initial 6 month contract. Job Title:C++ / Linux Software Product Support Engineer This role would suit a candidate who comes from a strong C++ Software Engineer background. * We are looking for a capable software engineer who can support our in-service missile-system middleware solutions and work as part of a small team to investigate and fix issues as they arise. * Our products require Linux Operating System (OS) configuration, support and security solution maintenance, so experience of Linux is necessary for this posit
        World Class Defence Organisation based in Bristol is currently looking to recruit a C++ / Linux Software Product Support Engineer subcontractor on an initial 6 month contract. Job Title:C++ / Linux Software Product Support Engineer This role would suit a candidate who comes from a strong C++ Software Engineer background. * We are looking for a capable software engineer who can support our in-service missile-system middleware solutions and work as part of a small team to investigate and fix issues as they arise. * Our products require Linux Operating System (OS) configuration, support and security solution maintenance, so experience of Linux is necessary for this posit
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        Bright Purple is working with a growing company in the education space, and we are on a mission to find the newest member of their small but mighty software team. UK Remote - So, if you like to work in a small team where your contribution is visible, read on. * Fully remote with flexible working. * Join a small, close-knit team where your impact is visible. * Lead technical decisions and product development on a modern platform. * Shape the future of the product while growing into long-term technical and product leadership. What Youll Do - Take full ownership of our platform, turning ideas and customer feedback into polished, user-facing solutions. Oversee deployments, infrastructure, and performance, while collaborating across the business to deliver value to administrators, learners, and content creators. * Lead engineering, maintain a stable and pe
        Bright Purple is working with a growing company in the education space, and we are on a mission to find the newest member of their small but mighty software team. UK Remote - So, if you like to work in a small team where your contribution is visible, read on. * Fully remote with flexible working. * Join a small, close-knit team where your impact is visible. * Lead technical decisions and product development on a modern platform. * Shape the future of the product while growing into long-term technical and product leadership. What Youll Do - Take full ownership of our platform, turning ideas and customer feedback into polished, user-facing solutions. Oversee deployments, infrastructure, and performance, while collaborating across the business to deliver value to administrators, learners, and content creators. * Lead engineering, maintain a stable and pe
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        NEW
        We're seeking exceptional Java Developers to join a high-impact digital transformation programme for the UK Government. You'll be part of a multidisciplinary Agile team of developers, designers, and analysts, working collaboratively to design, build, and improve digital platforms and services that matter. * Develop and enhance government digital services using Java 21+ * Strong experience with Java 21 or later - This is your chance to contribute to the Department for Work and Pensions' Universal Credit initiative - a service that directly affects millions of lives across the UK. What You'll Do * Build robust APIs and microservices for internal and external use * Apply TDD/BDD methodologies to ensure high-quality code * Collaborate in pair programming and Agile ceremonies * Contribute
        We're seeking exceptional Java Developers to join a high-impact digital transformation programme for the UK Government. You'll be part of a multidisciplinary Agile team of developers, designers, and analysts, working collaboratively to design, build, and improve digital platforms and services that matter. * Develop and enhance government digital services using Java 21+ * Strong experience with Java 21 or later - This is your chance to contribute to the Department for Work and Pensions' Universal Credit initiative - a service that directly affects millions of lives across the UK. What You'll Do * Build robust APIs and microservices for internal and external use * Apply TDD/BDD methodologies to ensure high-quality code * Collaborate in pair programming and Agile ceremonies * Contribute
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        Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? At Myn, were dedicated to helping software professionals find fulfilling contract opportunities that elevate their careers and connect them with innovative projects. We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. * 3+ years of experience in software development or related roles. * Demonstrated experie
        Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? At Myn, were dedicated to helping software professionals find fulfilling contract opportunities that elevate their careers and connect them with innovative projects. We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. * 3+ years of experience in software development or related roles. * Demonstrated experie
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        Senior Software Engineer for Southampton based organisation

        Claremont Consulting
        SO14, Southampton
        £55000.00 - £66000.00 per annum + Many benefits, superb pension
        Senior Software Engineer for hybrid IT role with my client's offices being based in Southampton - My client is looking to recruit a Senior Software Engineer with excellent .Net c# developer skills - Working with other members of the team to collaborate to produce high-quality software solutions contributing to and following established development practices. The Technology function is responsible for the delivery of business and technology change including the provision of robust infrastructure and IT service operations - The Technology function brings technology enabled innovation to market by developing relevant, integrated and optimised solutions that are scalable, commercially viable and deliver long-term value aligned to the business strategy. Working as a strategic partner to the business the aim of the departme
        Senior Software Engineer for hybrid IT role with my client's offices being based in Southampton - My client is looking to recruit a Senior Software Engineer with excellent .Net c# developer skills - Working with other members of the team to collaborate to produce high-quality software solutions contributing to and following established development practices. The Technology function is responsible for the delivery of business and technology change including the provision of robust infrastructure and IT service operations - The Technology function brings technology enabled innovation to market by developing relevant, integrated and optimised solutions that are scalable, commercially viable and deliver long-term value aligned to the business strategy. Working as a strategic partner to the business the aim of the departme
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        NEW
        To help them achieve this, they're looking for a Mid-level Backend Software Engineer to join their growing Digital Development team. Title: Mid Level .NET Developer * Design, develop, and deliver high-quality backend solutions - Salary: Up to £65,000 P/A - Location: Bristol- Hybrid (2- days on site) Our client is on an exciting journey to transform the way they deliver digital products and services to millions of customers. You'll play a key role in designing, building, and improving digital products using .NET Core, C#, SQL, Azure, and Kubernetes, while collaborating with like-minded engineers and contributing to a strong, supportive tech community. What You'll Do * Collaborate on technical designs and influence architectural decisions * Troubleshoot operational and integration issue
        To help them achieve this, they're looking for a Mid-level Backend Software Engineer to join their growing Digital Development team. Title: Mid Level .NET Developer * Design, develop, and deliver high-quality backend solutions - Salary: Up to £65,000 P/A - Location: Bristol- Hybrid (2- days on site) Our client is on an exciting journey to transform the way they deliver digital products and services to millions of customers. You'll play a key role in designing, building, and improving digital products using .NET Core, C#, SQL, Azure, and Kubernetes, while collaborating with like-minded engineers and contributing to a strong, supportive tech community. What You'll Do * Collaborate on technical designs and influence architectural decisions * Troubleshoot operational and integration issue
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        NEWFEATURED
        Software Developer / Engineer (C++ Mac Extensions EDR) WFH / London to £80k - As a Software Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Apply now to find out more about this Software Engineer / Developer (C++ Mac Extensions EDR) opportunity. Do you have experience developing and integrating Mac software? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is th
        Software Developer / Engineer (C++ Mac Extensions EDR) WFH / London to £80k - As a Software Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Apply now to find out more about this Software Engineer / Developer (C++ Mac Extensions EDR) opportunity. Do you have experience developing and integrating Mac software? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is th
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        NEWPREMIUM
        If you are an experienced Lead Software Engineer with a passion for building scalable solutions and want your skills to make a difference, we would love to hear from you. They are now seeking a Lead Software Engineerto play a pivotal role in rebuilding and modernising their software environment. * Mentor and guide software engineers, fostering collaboration and high performance. * Lead the design, development, and implementation of modern, web-based applications. * Proven experience in software development with expertise in C#,.NET,Azure, andSQL. Are you ready to use your technical expertise to help transform services that directly improve lives across the UK? Our client provides emergency accommodation and support services to the UK'
        If you are an experienced Lead Software Engineer with a passion for building scalable solutions and want your skills to make a difference, we would love to hear from you. They are now seeking a Lead Software Engineerto play a pivotal role in rebuilding and modernising their software environment. * Mentor and guide software engineers, fostering collaboration and high performance. * Lead the design, development, and implementation of modern, web-based applications. * Proven experience in software development with expertise in C#,.NET,Azure, andSQL. Are you ready to use your technical expertise to help transform services that directly improve lives across the UK? Our client provides emergency accommodation and support services to the UK'
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        NEW
        We are currently recruiting for a Principal DevOps Engineer/Lead to work with a leading organisation in Edinburgh that has one of the best employer reputations in Scotland; an employer with a customer-focused culture where they value collaboration and ingenuity, and their success is underpinned by their extensive use of technology to drive success in their business. To apply for this role as Principal DevOps Engineer/Lead, please click apply online and upload an updated copy of your CV. In this role you will lead a delivery stream-aligned DevOps team, providing the technical platform and leadership required to ensure that appropriate (and modern) DevOps tools are used to support the software development teams in their delivery of apps (both greenfield
        We are currently recruiting for a Principal DevOps Engineer/Lead to work with a leading organisation in Edinburgh that has one of the best employer reputations in Scotland; an employer with a customer-focused culture where they value collaboration and ingenuity, and their success is underpinned by their extensive use of technology to drive success in their business. To apply for this role as Principal DevOps Engineer/Lead, please click apply online and upload an updated copy of your CV. In this role you will lead a delivery stream-aligned DevOps team, providing the technical platform and leadership required to ensure that appropriate (and modern) DevOps tools are used to support the software development teams in their delivery of apps (both greenfield
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        Frequently Asked Questions

        How many permanent API jobs are there in Belfast?
        There are 1 permanent API jobs within 20 miles of Belfast available on CWJobs right now.

        What other similar jobs are there to permanent API jobs in Belfast?
        As well as permanent API jobs in Belfast, you can find permanent Aws, Python, IT, amongst many others.