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        2 Contract API jobs in Swansea + 20 miles

        Senior Full Stack Developer

        Flotek
        Bridgend (CF31)
        £45000 - £55000 per annum
        Job Title: Senior Full Stack Developer - Location: Hybrid working, Office (Bridgend, South Wales) Salary: £45,000 - £55,000 per annum - Job Type: Full-time, Permanent - Working Hours: Monday to Friday - 9.00am to 5.30pm (Flexible Hours within 8am - 6pm) Flotek Group is one of the fastest-growing Tech Companies in the UK, providing IT, Cybersecurity, Comms and Managed Print Solutions to small & medium businesses. With sales and support locations across the country, our ambitious growth is driven by our core values and fundamental principles. We deliver every product and service with expertise, passion, and heart. When you join Flotek Group, you join our 'Purple Army' and become part of a team driven by a set of values that guide our every interaction, both with each other and with our partners. We enjoy a collaborative, fast-paced working environment, where we can expect to learn to ...
        Job Title: Senior Full Stack Developer - Location: Hybrid working, Office (Bridgend, South Wales) Salary: £45,000 - £55,000 per annum - Job Type: Full-time, Permanent - Working Hours: Monday to Friday - 9.00am to 5.30pm (Flexible Hours within 8am - 6pm) Flotek Group is one of the fastest-growing Tech Companies in the UK, providing IT, Cybersecurity, Comms and Managed Print Solutions to small & medium businesses. With sales and support locations across the country, our ambitious growth is driven by our core values and fundamental principles. We deliver every product and service with expertise, passion, and heart. When you join Flotek Group, you join our 'Purple Army' and become part of a team driven by a set of values that guide our every interaction, both with each other and with our partners. We enjoy a collaborative, fast-paced working environment, where we can expect to learn to ...
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        PREMIUM

        Senior Software Development Engineer in Test

        DVLA (Driver and Vehicle Licensing Agency - part of DETRA)
        Swansea, Neath Port Talbot
        £44,241 - £58,997 a year
        Information Technology Working pattern Flexible working, Full-time, Job share, Part-time Number of jobs available 1 Contents * Location * About the job * Benefits * Things you need to know * Apply and further information - Location Swansea About the job Job summary - Are you experienced in building test automation for both web-based user interfaces and APIs? Is your attention to detail thorough? Are you passionate about Software Development Engineer in Test (SDET) principles with a good comprehension of Automation Testing? If so, we?d love to hear from you! * Employer pension contribution of 28.97% of your salary. Read more about Civil Service Pensions here * 25 days annual leave, increasing by 1 day each year of service (up to a maximum of 30 days annual leave), plus 8 bank holidays a privilege day for the King?s birthday
        Information Technology Working pattern Flexible working, Full-time, Job share, Part-time Number of jobs available 1 Contents * Location * About the job * Benefits * Things you need to know * Apply and further information - Location Swansea About the job Job summary - Are you experienced in building test automation for both web-based user interfaces and APIs? Is your attention to detail thorough? Are you passionate about Software Development Engineer in Test (SDET) principles with a good comprehension of Automation Testing? If so, we?d love to hear from you! * Employer pension contribution of 28.97% of your salary. Read more about Civil Service Pensions here * 25 days annual leave, increasing by 1 day each year of service (up to a maximum of 30 days annual leave), plus 8 bank holidays a privilege day for the King?s birthday
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        42 exact matches jobs are outside your preferred location

        Deep understanding of API-led integrations, middleware, and enterprise data flows.
        Deep understanding of API-led integrations, middleware, and enterprise data flows.
        Job Description - AECOM is seeking an experienced Senior Data Engineer to play a key role in designing, delivering, and optimising data platforms and solutions across a wide range of projects. As a Senior Data Engineer , you will be responsible for leading major components of the data solution lifecycle, mentoring junior engineers, and ensuring the delivery of robust, scalable, secure, and value-driven data architecture. You will work closely with Data Analysts, Data Scientists , and cross-functional digital teams, supporting analytics use cases and occasionally contributing to light data-science activities such as feature engineering, exploratory analysis, or model operationalisation. Technical Leadership & Solution Delivery * Lead a concept through our solution development lifecycle considering standard principles like optimisation and scalability.
        Job Description - AECOM is seeking an experienced Senior Data Engineer to play a key role in designing, delivering, and optimising data platforms and solutions across a wide range of projects. As a Senior Data Engineer , you will be responsible for leading major components of the data solution lifecycle, mentoring junior engineers, and ensuring the delivery of robust, scalable, secure, and value-driven data architecture. You will work closely with Data Analysts, Data Scientists , and cross-functional digital teams, supporting analytics use cases and occasionally contributing to light data-science activities such as feature engineering, exploratory analysis, or model operationalisation. Technical Leadership & Solution Delivery * Lead a concept through our solution development lifecycle considering standard principles like optimisation and scalability.
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        Job Description - AECOM is seeking an experienced Data Engineer to play a key role in designing, delivering, and optimising data platforms and solutions across a wide range of projects. As a Data Engineer , you will be responsible for delivering components of the data solution lifecycle, ensure solutions adhere to standard quality metrics (scalability, secure, resilient etc) and design data-driven data architecture that serves value and delivers insight. Your work will directly support AECOMs mission to deliver innovative and sustainable solutions to our clients. You will work closely with Data Analysts, Data Scientists, and cross-functional digital teams, supporting analytics use cases and occasionally contributing to light data-science activities such as feature engineering, exploratory analysis, or model operationalisation.
        Job Description - AECOM is seeking an experienced Data Engineer to play a key role in designing, delivering, and optimising data platforms and solutions across a wide range of projects. As a Data Engineer , you will be responsible for delivering components of the data solution lifecycle, ensure solutions adhere to standard quality metrics (scalability, secure, resilient etc) and design data-driven data architecture that serves value and delivers insight. Your work will directly support AECOMs mission to deliver innovative and sustainable solutions to our clients. You will work closely with Data Analysts, Data Scientists, and cross-functional digital teams, supporting analytics use cases and occasionally contributing to light data-science activities such as feature engineering, exploratory analysis, or model operationalisation.
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        Job Description - As a Data Solution Architect, you will lead technical approaches that capture our clients digital strategic vision and business needs into data solution. You will act as the bridge between development teams and project stakeholders, ensuring that complex technical and business requirements can be communicated effectively throughout the project lifecycle. You will work closely with the wider cross-functional Digital Team of Analysts, Scientists and Engineers ensuring that solutions are scalable, secure, are aligned with client requirements and aligned with AECOMs strategic vision. A successful candidate will bring a deep understanding of data systems, cloud platforms, and enterprise architecture principles, coupled with strong leadership and collaboration skills. Candidates will also be capable of efficiently capturing the solution design vision from ...
        Job Description - As a Data Solution Architect, you will lead technical approaches that capture our clients digital strategic vision and business needs into data solution. You will act as the bridge between development teams and project stakeholders, ensuring that complex technical and business requirements can be communicated effectively throughout the project lifecycle. You will work closely with the wider cross-functional Digital Team of Analysts, Scientists and Engineers ensuring that solutions are scalable, secure, are aligned with client requirements and aligned with AECOMs strategic vision. A successful candidate will bring a deep understanding of data systems, cloud platforms, and enterprise architecture principles, coupled with strong leadership and collaboration skills. Candidates will also be capable of efficiently capturing the solution design vision from ...
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        £Up to £80,000 GBP - Transport Allowance - Hybrid WORKING - Location: London; Manchester; Bristol, Manchester, North West - United Kingdom Type: Permanent - The Role - Data Engineer (DV Cleared) Join a consultancy recognised as a UK Great Place to Work year after year - a distinction that reflects its commitment to inclusion, engineering excellence and meaningful, purpose-led work across complex transformation programmes. Our client is a globally respected digital, data and technology consultancy operating at the intersection of strategy, innovation and advanced engineering. With over 4,000 experts across multiple sectors including defence, health, financial services and government, the client delivers large-scale transformation in environments where quality, agility and impact truly matter. As a Data Engineer, you will play a critical role within the client's Digital & Data ...
        £Up to £80,000 GBP - Transport Allowance - Hybrid WORKING - Location: London; Manchester; Bristol, Manchester, North West - United Kingdom Type: Permanent - The Role - Data Engineer (DV Cleared) Join a consultancy recognised as a UK Great Place to Work year after year - a distinction that reflects its commitment to inclusion, engineering excellence and meaningful, purpose-led work across complex transformation programmes. Our client is a globally respected digital, data and technology consultancy operating at the intersection of strategy, innovation and advanced engineering. With over 4,000 experts across multiple sectors including defence, health, financial services and government, the client delivers large-scale transformation in environments where quality, agility and impact truly matter. As a Data Engineer, you will play a critical role within the client's Digital & Data ...
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        PREMIUM
        The role requires strong expertise in Kotlin and Java, modern Android architecture and UI best practices, API integration, and Agile delivery, alongside the ability to collaborate cross-functionally and provide technical leadership and mentorship within a financial services environment.
        The role requires strong expertise in Kotlin and Java, modern Android architecture and UI best practices, API integration, and Agile delivery, alongside the ability to collaborate cross-functionally and provide technical leadership and mentorship within a financial services environment.
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        Salary negotiable , Yearly bonus + Hybrid Working (Depending on experience). Overview - We are seeking an experienced Mid-Level Full Stack Engineer with hands-on experience building robust applications using C#, Python, and JavaScript, supporting the delivery of secure, scalable, automated cloud platforms across Public Sector and Defence programmes. You will work across Azure and AWS environments, implement automation using Python, and support Red Hat-based systems while ensuring best practice security, compliance, and operational excellence. Key Responsibilities * Design, develop, and maintain full-stack web applications using C#, Python, and JavaScript. * Build and enhance backend services using frameworks such as .NET, Flask, or Django. * Develop responsive, user-friendly front-end interfaces with React, Angular, or similar JavaScript frameworks.
        Salary negotiable , Yearly bonus + Hybrid Working (Depending on experience). Overview - We are seeking an experienced Mid-Level Full Stack Engineer with hands-on experience building robust applications using C#, Python, and JavaScript, supporting the delivery of secure, scalable, automated cloud platforms across Public Sector and Defence programmes. You will work across Azure and AWS environments, implement automation using Python, and support Red Hat-based systems while ensuring best practice security, compliance, and operational excellence. Key Responsibilities * Design, develop, and maintain full-stack web applications using C#, Python, and JavaScript. * Build and enhance backend services using frameworks such as .NET, Flask, or Django. * Develop responsive, user-friendly front-end interfaces with React, Angular, or similar JavaScript frameworks.
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        Toumetis Job Description - Salary £60,000 - £70,000+ DOE - About our Company - Our mission at Toumetis is to deliver intelligence that can transform business operations and enable new revenue via the application of machine learning. We combine experience in applied machine learning, frontend development, data engineering, and cloud computing to help Fortune-1000 companies bring elegant IoT solutions to life, surfacing unique insights to predict and prevent problems and improve organisational performance. Our engineers, developers and data scientists share a passion for innovation and are dedicated to providing our customers with solutions that enable new insights that revolutionise business processes. We have a friendly working environment with flexible hours, WFH (1-2 days in the office P/W), regular social events, Private Medical/Optician/Dental insurance, a very competitive ...
        Toumetis Job Description - Salary £60,000 - £70,000+ DOE - About our Company - Our mission at Toumetis is to deliver intelligence that can transform business operations and enable new revenue via the application of machine learning. We combine experience in applied machine learning, frontend development, data engineering, and cloud computing to help Fortune-1000 companies bring elegant IoT solutions to life, surfacing unique insights to predict and prevent problems and improve organisational performance. Our engineers, developers and data scientists share a passion for innovation and are dedicated to providing our customers with solutions that enable new insights that revolutionise business processes. We have a friendly working environment with flexible hours, WFH (1-2 days in the office P/W), regular social events, Private Medical/Optician/Dental insurance, a very competitive ...
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        Deep expertise in architecting end-to-end solutions across modern cloud platforms (AWS, Azure, GCP) with strong knowledge of cloud-native services, microservices patterns, API design, event-driven architectures, and hybrid/multi-cloud integration strategies.
        Deep expertise in architecting end-to-end solutions across modern cloud platforms (AWS, Azure, GCP) with strong knowledge of cloud-native services, microservices patterns, API design, event-driven architectures, and hybrid/multi-cloud integration strategies.
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        Technical Lead Developer

        Pardoe Wray
        UK
        From £90,000 to £120,000 per annum Company Benefits
        Integrate the productwith client Allegro installations, including API connectivity and database schema mapping * Experience with API testing
        Integrate the productwith client Allegro installations, including API connectivity and database schema mapping * Experience with API testing
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        Hands-on Experience working with Business Rules, Client Scripts, UI Policies, UI Scripts, UI Actions, UI Pages, Script Includes, Access Control Lists, API's, Service Portal etc...
        Hands-on Experience working with Business Rules, Client Scripts, UI Policies, UI Scripts, UI Actions, UI Pages, Script Includes, Access Control Lists, API's, Service Portal etc...
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        API Migration | Enterprise Platform Transition - Im supporting a major public-sector digital transformation programme and looking for an experienced Technical Architectto lead a large-scale API migration project. * Lead the architecture for a significant API migration programme - If youre an experienced Technical Architect with proven API migration experience and available for a long-term Outside IR35 engagement, Id be keen to speak with you.
        API Migration | Enterprise Platform Transition - Im supporting a major public-sector digital transformation programme and looking for an experienced Technical Architectto lead a large-scale API migration project. * Lead the architecture for a significant API migration programme - If youre an experienced Technical Architect with proven API migration experience and available for a long-term Outside IR35 engagement, Id be keen to speak with you.
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        FEATURED

        Full Stack Web Developer

        Oscar Associates (UK) Limited
        UK
        £35000 - £45000 per annum
        Ful Stack Web Developer | £35,000 - £45,000 | Remote-first | Lancashire HQ (2-3 days onsite per year) I'm working with an established UK organisation that is investing heavily in its in-house technology capability. The company is currently rebuilding and modernising a suite of internal software platforms, replacing legacy systems and developing new solutions to support core business processes. They're looking for a Web Software Developer to join a collaborative internal engineering team responsible for building and improving these systems. This role offers the opportunity to work on business-critical applications used across the organisation, contributing to the development of modern web-based platforms while learning from experienced engineers in the team. The environment places a strong emphasis on clean code, structured development practices, and quality-focused ...
        Ful Stack Web Developer | £35,000 - £45,000 | Remote-first | Lancashire HQ (2-3 days onsite per year) I'm working with an established UK organisation that is investing heavily in its in-house technology capability. The company is currently rebuilding and modernising a suite of internal software platforms, replacing legacy systems and developing new solutions to support core business processes. They're looking for a Web Software Developer to join a collaborative internal engineering team responsible for building and improving these systems. This role offers the opportunity to work on business-critical applications used across the organisation, contributing to the development of modern web-based platforms while learning from experienced engineers in the team. The environment places a strong emphasis on clean code, structured development practices, and quality-focused ...
        more

        Full Stack Web Developer

        Oscar Associates (UK) Limited
        UK
        £45000 - £55000 per annum
        I'm working with an established UK organisation that is investing heavily in its in-house technology capability. The company is currently rebuilding and modernising a suite of internal software platforms, replacing legacy systems and developing new solutions to support core business processes. They are looking for a Senior Web Software Developer to join a small, collaborative internal engineering team responsible for designing and building these systems from the ground up. This role offers the opportunity to work on business-critical applications used across the organisation, helping shape the architecture and development standards as the company transitions to a modern web-based platform. The team places a strong emphasis on clean code, structured development practices, and quality-first engineering, and they are looking for someone who enjoys solving real-world ...
        I'm working with an established UK organisation that is investing heavily in its in-house technology capability. The company is currently rebuilding and modernising a suite of internal software platforms, replacing legacy systems and developing new solutions to support core business processes. They are looking for a Senior Web Software Developer to join a small, collaborative internal engineering team responsible for designing and building these systems from the ground up. This role offers the opportunity to work on business-critical applications used across the organisation, helping shape the architecture and development standards as the company transitions to a modern web-based platform. The team places a strong emphasis on clean code, structured development practices, and quality-first engineering, and they are looking for someone who enjoys solving real-world ...
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        Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
        Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
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        Job Title: Java Developer - Rate: £400 (InsideIR35) Duration: 12 Months - Location: Remote - Clearance: BPSS - Stages: 1 Stage - Must Have Government Experience - Key Responsibilities * Design, develop, and maintain Java applications in line with digital and engineering standards * Build and supportmicroservicesandRESTful APIs * Collaborate with product owners, designers, testers, and DevOps engineers in agile teams * Write clean, maintainable, and well-tested code (TDD/BDD where applicable) * Participate in code reviews and contribute to continuous improvement * Ensure applications meetsecurity, accessibility, and performancestandards * Troubleshoot and resolve defects across development and production environments * Support CI/CD pipelines and automated deployment processes - Essential Skills & Experience * Strong commercial experience withJava (Java 8+)
        Job Title: Java Developer - Rate: £400 (InsideIR35) Duration: 12 Months - Location: Remote - Clearance: BPSS - Stages: 1 Stage - Must Have Government Experience - Key Responsibilities * Design, develop, and maintain Java applications in line with digital and engineering standards * Build and supportmicroservicesandRESTful APIs * Collaborate with product owners, designers, testers, and DevOps engineers in agile teams * Write clean, maintainable, and well-tested code (TDD/BDD where applicable) * Participate in code reviews and contribute to continuous improvement * Ensure applications meetsecurity, accessibility, and performancestandards * Troubleshoot and resolve defects across development and production environments * Support CI/CD pipelines and automated deployment processes - Essential Skills & Experience * Strong commercial experience withJava (Java 8+)
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        Senior Fullstack Software Engineer UK Remote - Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer * Fully remote within the UK * Salary up to £80,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact
        Senior Fullstack Software Engineer UK Remote - Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer * Fully remote within the UK * Salary up to £80,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact
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        £450 per day Fully Remote (UK-based) Occasional Out-of-Hours Work Required Im supporting a long-term programme looking for an experienced Scala Developer to join a high-performing engineering team on a 12-month Outside IR35 contract. * Strong commercial experience with Scala * Experience building high-quality, scalable backend services * Exposure to microservices, REST APIs, functional programming * Strong understanding of CI/CD and modern engineering practices * Cloud experience (AWS ideally) * Able to support occasional out-of-hours work when required?? * £450/day (Outside IR35) * 12 months * Remote * Immediate interviews & quick onboarding If youre available and interested, drop me a message or send over your CV.
        £450 per day Fully Remote (UK-based) Occasional Out-of-Hours Work Required Im supporting a long-term programme looking for an experienced Scala Developer to join a high-performing engineering team on a 12-month Outside IR35 contract. * Strong commercial experience with Scala * Experience building high-quality, scalable backend services * Exposure to microservices, REST APIs, functional programming * Strong understanding of CI/CD and modern engineering practices * Cloud experience (AWS ideally) * Able to support occasional out-of-hours work when required?? * £450/day (Outside IR35) * 12 months * Remote * Immediate interviews & quick onboarding If youre available and interested, drop me a message or send over your CV.
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        FEATURED

        Data Analyst (Remote)

        Marstep Resourcing Solutions
        UK
        Up to £28,500 per annum Plus Quarterly Profit Share + Benefits + Caree
        This is a great opportunity to join a long established and growing business where you will have the opportunity to develop a worthwhile career and be rewarded with good benefits and profit share. Salary From £25k to £28.5k - depending upon experience plus profit share of around 15% per annum and an opportunity to develop a long career. You may have some or all of the skills/requirements below, but training can be provided in areas and you will have the chance to learn skills you are not currently familiar with. Location:(Fully Remote) About Us - Data has the power to transform businesses, and we thrive on unlocking its full potential. We're looking for a data analyst who wants to take the next step up and join our growing team, offering a £25,000-£28,500 salary and the flexibility of a fully remote role.
        This is a great opportunity to join a long established and growing business where you will have the opportunity to develop a worthwhile career and be rewarded with good benefits and profit share. Salary From £25k to £28.5k - depending upon experience plus profit share of around 15% per annum and an opportunity to develop a long career. You may have some or all of the skills/requirements below, but training can be provided in areas and you will have the chance to learn skills you are not currently familiar with. Location:(Fully Remote) About Us - Data has the power to transform businesses, and we thrive on unlocking its full potential. We're looking for a data analyst who wants to take the next step up and join our growing team, offering a £25,000-£28,500 salary and the flexibility of a fully remote role.
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        FEATURED

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        Frequently Asked Questions

        How many contract API jobs are there in Swansea?
        There are 2 contract API jobs within 20 miles of Swansea available on CWJobs right now.

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