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        See all jobs in Cardiff

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        11 API jobs in Cardiff + 20 miles

        Software Developer, C#, ASP.NET, MVC, COR7327B

        Corriculo Ltd
        Cardiff Gate, CF23
        £55k - 75k per year + Benefits
        Taking a lead role in the development and support of MVC and .NET web applications, as well as C# Console and API solutions, this Senior Software Developer role sits at the intersection of development leadership and hands-on technical coding and delivery. * Proficiency in JavaScript and Web API
        Taking a lead role in the development and support of MVC and .NET web applications, as well as C# Console and API solutions, this Senior Software Developer role sits at the intersection of development leadership and hands-on technical coding and delivery. * Proficiency in JavaScript and Web API
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        NEW

        Quality Engineer

        Yolk Recruitment
        CF1, Cardiff
        £50000 - £55000.00 per annum
        You'll work closely with developers and product colleagues to ensure reliability, security, and performance across our API-driven systems. * Skilled in automated API testing and a programming language (ideally C#).
        You'll work closely with developers and product colleagues to ensure reliability, security, and performance across our API-driven systems. * Skilled in automated API testing and a programming language (ideally C#).
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        Senior Specialist Infrastructure Engineer

        COMPANIES HOUSE
        Cardiff, South Glamorgan, CF14 3UZ
        From £40,398 to £51,398 per annum
        Are you highly motivated, customer-focused, and interested in digital services? Then come and join our transformative digital services! Were looking for an experiencedSenior ServiceNow Developerto join our team and play a key role in the development, support, and enhancement of our ServiceNow platform. This role focuses on delivering robust ITSM and ITOM solutions, driving automation, supporting platform upgrades, and improving the user experience through the Service Portal. Companies House offers a flexible and welcoming culture that promotes a healthy work life balance as well as a proactive approach to wellbeing that allows us to be our best at work. We recognise that people are the key to our success so offer a fantastic benefits package including flexible working with no core hours, 30 days annual leave, 8 bank holidays and 1 privilege day as well as enrolment in
        Are you highly motivated, customer-focused, and interested in digital services? Then come and join our transformative digital services! Were looking for an experiencedSenior ServiceNow Developerto join our team and play a key role in the development, support, and enhancement of our ServiceNow platform. This role focuses on delivering robust ITSM and ITOM solutions, driving automation, supporting platform upgrades, and improving the user experience through the Service Portal. Companies House offers a flexible and welcoming culture that promotes a healthy work life balance as well as a proactive approach to wellbeing that allows us to be our best at work. We recognise that people are the key to our success so offer a fantastic benefits package including flexible working with no core hours, 30 days annual leave, 8 bank holidays and 1 privilege day as well as enrolment in
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        NEW

        Lead Front End Developer

        Reed Technology
        NP1, Newport
        £64000 - £75000 per annum + Civil Servant Pension
        Location - Newport (20% on site) Will need to pass an SC Clearance (living in the UK for at least 5 years) A modern organisation which depends on its IT services to operate and innovate effectively. In order to provide up to date services to our customers both nationally and internationally systems need to be developed, improved and maintained. You will have the opportunity to work on the latest cutting edge cloud technologies, use modern delivery processes and work on innovative projects some including the use of AI and ML. Job description * Be responsible for the design, coding, testing and documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment * Build web based Front End interfaces interacting with RESTful APIs using React, Next JS and other web technologies
        Location - Newport (20% on site) Will need to pass an SC Clearance (living in the UK for at least 5 years) A modern organisation which depends on its IT services to operate and innovate effectively. In order to provide up to date services to our customers both nationally and internationally systems need to be developed, improved and maintained. You will have the opportunity to work on the latest cutting edge cloud technologies, use modern delivery processes and work on innovative projects some including the use of AI and ML. Job description * Be responsible for the design, coding, testing and documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment * Build web based Front End interfaces interacting with RESTful APIs using React, Next JS and other web technologies
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        NEW

        Front End Developer

        Intellectual Property Office
        Rhiwderyn, NP10 8QQ
        From £64,079 to £75,701 per annum
        The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. In order to provide up to date services to our customers both nationally and internationally systems need to be developed, improved and maintained. You will have the opportunity to work on the latest cutting edge cloud technologies, use modern delivery processes and work on innovative projects some including the use of AI and ML. Working alongside experts in their fields you will have the opportunity to make valuable contributions without compromising on quality. You will need the appetite to learn new technologies and methodologies for delivering high quality IT services. In this role you will work within a multi-disciplined team using several technologies to build enterprise grade services as well as mentoring and coaching team members.
        The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. In order to provide up to date services to our customers both nationally and internationally systems need to be developed, improved and maintained. You will have the opportunity to work on the latest cutting edge cloud technologies, use modern delivery processes and work on innovative projects some including the use of AI and ML. Working alongside experts in their fields you will have the opportunity to make valuable contributions without compromising on quality. You will need the appetite to learn new technologies and methodologies for delivering high quality IT services. In this role you will work within a multi-disciplined team using several technologies to build enterprise grade services as well as mentoring and coaching team members.
        more
        NEW

        Lead Dynamics Developer

        Intellectual Property Office
        Rhiwderyn, NP10 8QQ
        From £64,079 to £75,701 per annum (salary package will be DOE)
        The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. In order to provide up to date services to our customers both nationally and internationally systems need to be developed, improved and maintained. You will have the opportunity to work on the latest cutting edge cloud technologies, use modern delivery processes and work on innovative projects some including the use of AI and ML. Working alongside experts in their fields you will have the opportunity to make valuable contributions without compromising on quality. You will need the appetite to learn new technologies and methodologies for delivering high quality IT services. In this role you will work within a multi-disciplined team using several technologies to build enterprise grade services as well as mentoring and coaching team members.
        The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. In order to provide up to date services to our customers both nationally and internationally systems need to be developed, improved and maintained. You will have the opportunity to work on the latest cutting edge cloud technologies, use modern delivery processes and work on innovative projects some including the use of AI and ML. Working alongside experts in their fields you will have the opportunity to make valuable contributions without compromising on quality. You will need the appetite to learn new technologies and methodologies for delivering high quality IT services. In this role you will work within a multi-disciplined team using several technologies to build enterprise grade services as well as mentoring and coaching team members.
        more
        NEW

        64 exact matches jobs are outside your preferred location

        Integration Developer

        Sanderson Recruitment
        BS1, Bristol
        £55000 - £65000 per annum
        Design and develop scalable, efficient API features while ensuring best practices in security, architecture, and data governance. * Enterprise API Development - Experience building API Gateway solutions using REST or GraphQL.
        Design and develop scalable, efficient API features while ensuring best practices in security, architecture, and data governance. * Enterprise API Development - Experience building API Gateway solutions using REST or GraphQL.
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        FEATURED

        Technical Business Analyst

        Sanderson Recruitment
        SN14, Chippenham
        Up to £65000 per annum
        Requirements Gathering: Work with stakeholders to extract and document clear, actionable business and technical requirements, particularly for API and software integration projects.
        Requirements Gathering: Work with stakeholders to extract and document clear, actionable business and technical requirements, particularly for API and software integration projects.
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        FEATURED

        Software Engineer (Content)

        Hargreaves Lansdown
        BS1, Bristol
        £45000 - £60000 per annum + Generous Bonus & Pension
        Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking.
        Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking.
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        NEWFEATURED
        Software Developer Team Lead * Location: Remote (Quarterly meets ups) * Job Type: Full-Time, Permanent * Must have Right to Work in the UK (company does not provide sponsorship) * SC Clearance will be required - Join a leading organisation in affordable housing services and personal care, where innovation drives growth. We are seeking a Developer with a passion for technology and problem-solving to join our dynamic IT team. This role offers the chance to work on transformative projects, develop impactful solutions, and contribute to a team that values creativity, collaboration, and technical excellence. * Design, develop, and maintain in-house software solutions, ensuring alignment with our strategic goals. * Write clean, reusable, and secure code that powers our operations. * Identify areas for improvement and develop solutions that enhance performance and user exper
        Software Developer Team Lead * Location: Remote (Quarterly meets ups) * Job Type: Full-Time, Permanent * Must have Right to Work in the UK (company does not provide sponsorship) * SC Clearance will be required - Join a leading organisation in affordable housing services and personal care, where innovation drives growth. We are seeking a Developer with a passion for technology and problem-solving to join our dynamic IT team. This role offers the chance to work on transformative projects, develop impactful solutions, and contribute to a team that values creativity, collaboration, and technical excellence. * Design, develop, and maintain in-house software solutions, ensuring alignment with our strategic goals. * Write clean, reusable, and secure code that powers our operations. * Identify areas for improvement and develop solutions that enhance performance and user exper
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        NEW
        React, Typescript, Node * Fast-growing Climate Tech startup. * Exciting projects, collaborative mission-driven team. Were looking for a senior full-stack engineer with React, Typescript, Node skills to join one of the regions most exciting Climate Tech companies. Theyve built a platform which helps to drive the transition away from fossil fuel heating in peoples homes and are now looking to add to their team. Theyre helping to seriously reduce carbon emissions whilst also helping to reduce homeowner energy bills. Now is a great time to join them as theyre scaling and have already had great success. *2 days in the office in Central Bristol. What skills you'll be needing * React and Typescript. * Relational database design, SQL, Postgres. * REST APIs. * Any of the following would be very desirable: Node, Tailwind, Docker.
        React, Typescript, Node * Fast-growing Climate Tech startup. * Exciting projects, collaborative mission-driven team. Were looking for a senior full-stack engineer with React, Typescript, Node skills to join one of the regions most exciting Climate Tech companies. Theyve built a platform which helps to drive the transition away from fossil fuel heating in peoples homes and are now looking to add to their team. Theyre helping to seriously reduce carbon emissions whilst also helping to reduce homeowner energy bills. Now is a great time to join them as theyre scaling and have already had great success. *2 days in the office in Central Bristol. What skills you'll be needing * React and Typescript. * Relational database design, SQL, Postgres. * REST APIs. * Any of the following would be very desirable: Node, Tailwind, Docker.
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        NEW
        The Head of Application and Product Security is a strategic leadership role responsible for safeguarding the application landscape and digital products within HL. This pivotal position ensures that security is embedded throughout the software development lifecycle and product innovation pipeline, providing assurance to clients, regulators, and stakeholders during a period of significant digital transformation and on an ongoing basis. The role will champion secure-by-default/design principles, drive security best practices, and lead a high-performing team in the context of ambitious cloud adoption, agile delivery, and regulatory evolution. The role balances strategic vision with operational oversight, ensuring security resilience and enabling the firm's growth aspirations. What you'll be doing * Provide strategic leadership, direction and vision for all aspects of ...
        The Head of Application and Product Security is a strategic leadership role responsible for safeguarding the application landscape and digital products within HL. This pivotal position ensures that security is embedded throughout the software development lifecycle and product innovation pipeline, providing assurance to clients, regulators, and stakeholders during a period of significant digital transformation and on an ongoing basis. The role will champion secure-by-default/design principles, drive security best practices, and lead a high-performing team in the context of ambitious cloud adoption, agile delivery, and regulatory evolution. The role balances strategic vision with operational oversight, ensuring security resilience and enabling the firm's growth aspirations. What you'll be doing * Provide strategic leadership, direction and vision for all aspects of ...
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        NEWFEATURED

        Software Engineer

        Oscar Associates (UK) Limited
        BS1, Bristol
        £350 - £450 per day
        We're looking for a versatile Software Engineer to join a leading Bristol-based business, delivering high-quality solutions for clients across finance, e-commerce, and technology. This is a hands-on role where you'll work across the full stack. Back-end services in C#/.NET and Python, and dynamic front-end applications using JavaScript, React, Node.js, and TypeScript. Location: Bristol (On-site) Contract: 6 Months (OIR35) Rate: £350-450 p/day - Start date: ASAP * Build and maintain software using C#/.NET, Python, JavaScript, React, Node.js, and TypeScript * Develop and optimise APIs, services, and integration layers. * Deliver end-to-end features across back-end, front-end, and cloud-hosted environments. * Write clean, efficient, and maintainable code following best practices. * Contribute to code reviews, testing, and Agile ceremonies.
        We're looking for a versatile Software Engineer to join a leading Bristol-based business, delivering high-quality solutions for clients across finance, e-commerce, and technology. This is a hands-on role where you'll work across the full stack. Back-end services in C#/.NET and Python, and dynamic front-end applications using JavaScript, React, Node.js, and TypeScript. Location: Bristol (On-site) Contract: 6 Months (OIR35) Rate: £350-450 p/day - Start date: ASAP * Build and maintain software using C#/.NET, Python, JavaScript, React, Node.js, and TypeScript * Develop and optimise APIs, services, and integration layers. * Deliver end-to-end features across back-end, front-end, and cloud-hosted environments. * Write clean, efficient, and maintainable code following best practices. * Contribute to code reviews, testing, and Agile ceremonies.
        more
        FEATURED

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        What is the average salary for API in Cardiff?

        Average salary per year
        £42,499

        The average salary for a API in Cardiff is £42,499. API in Cardiff salaries range from £32,499 to £55,000.

        Frequently Asked Questions

        How many API jobs are there in Cardiff?
        There are 11 API jobs within 20 miles of Cardiff available on CWJobs right now.

        What other similar jobs are there to API jobs in Cardiff?
        As well as API jobs in Cardiff, you can find DevOps, Aws, Implementation, amongst many others.