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        See all jobs in Cardiff

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        15 API jobs in Cardiff + 10 miles

        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.
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        NEW
        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

        Senior Dynamics Developer

        Intellectual Property Office
        Rhiwderyn, NP10 8QQ
        From £46,262 to £56,996 per annum (salary package will be DOE)
        The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. To provide up to date services to our customers systems need to be developed, improved, and maintained. This position plays a pivotal role in ensuring the core applications are reviewed and continually improved. 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 squad using several technologies to build enterprise grade services. You will be expected to be proactive and take accountability for the squad assigned deliveries. The role will also require the investigation, diagnosis and fix of any system issues. A Senior Developer is expected to contribute to the technical strategy for the department.
        The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. To provide up to date services to our customers systems need to be developed, improved, and maintained. This position plays a pivotal role in ensuring the core applications are reviewed and continually improved. 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 squad using several technologies to build enterprise grade services. You will be expected to be proactive and take accountability for the squad assigned deliveries. The role will also require the investigation, diagnosis and fix of any system issues. A Senior Developer is expected to contribute to the technical strategy for the department.
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        NEW
        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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        Location: Pan - Wales - Working Pattern: Full-Time / Flexible - Salary: £58,918 to £70,450 (+ DDaT Allowance) **Must be Eligible for SC Cleance** Yolk Recruitment is proud to be the exclusive recruitment partner to the Welsh Government. We're working together to deliver modern, impactful digital services for the people of Wales - and we're looking for talented individuals who want to be part of this mission. About the Role - As the Lead Drupal Developer in the Corporate Digital Team, you will be responsible for guiding the development and maintenance of high-profile Drupal-based digital services that are critical to the Welsh Government's digital transformation. Your role will involve mentoring a team of developers, setting and maintaining coding standards, and ensuring the highest levels of technical excellence in Drupal development.
        Location: Pan - Wales - Working Pattern: Full-Time / Flexible - Salary: £58,918 to £70,450 (+ DDaT Allowance) **Must be Eligible for SC Cleance** Yolk Recruitment is proud to be the exclusive recruitment partner to the Welsh Government. We're working together to deliver modern, impactful digital services for the people of Wales - and we're looking for talented individuals who want to be part of this mission. About the Role - As the Lead Drupal Developer in the Corporate Digital Team, you will be responsible for guiding the development and maintenance of high-profile Drupal-based digital services that are critical to the Welsh Government's digital transformation. Your role will involve mentoring a team of developers, setting and maintaining coding standards, and ensuring the highest levels of technical excellence in Drupal development.
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        Location: Pan - Wales - Working Pattern: Full-Time / Flexible - Salary: £58,918 to £70,450 (+ DDaT Allowance) **Must be Eligible for SC Cleance** Yolk Recruitment is proud to be the exclusive recruitment partner to the Welsh Government. Welsh Government are working together to deliver modern, impactful digital services for the people of Wales - and we're looking for talented individuals who want to be part of this mission. About the Role - As the Lead Drupal Developer in the Corporate Digital Team, you will be responsible for guiding the development and maintenance of high-profile Drupal-based digital services that are critical to the Welsh Government's digital transformation. Your role will involve mentoring a team of developers, setting and maintaining coding standards, and ensuring the highest levels of technical excellence in Drupal development.
        Location: Pan - Wales - Working Pattern: Full-Time / Flexible - Salary: £58,918 to £70,450 (+ DDaT Allowance) **Must be Eligible for SC Cleance** Yolk Recruitment is proud to be the exclusive recruitment partner to the Welsh Government. Welsh Government are working together to deliver modern, impactful digital services for the people of Wales - and we're looking for talented individuals who want to be part of this mission. About the Role - As the Lead Drupal Developer in the Corporate Digital Team, you will be responsible for guiding the development and maintenance of high-profile Drupal-based digital services that are critical to the Welsh Government's digital transformation. Your role will involve mentoring a team of developers, setting and maintaining coding standards, and ensuring the highest levels of technical excellence in Drupal development.
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        195 exact matches jobs are outside your preferred location

        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

        JAM Recruitment Ltd
        Ashton, BS3 2HQ
        £650 - £745 per day + Umbrella, inside IR35
        Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
        Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
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        NEW

        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 (Hybrid) 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 (Hybrid) 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.
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        NEWFEATURED

        Senior Software Engineer (PHP, Typescript) - Trading

        Hargreaves Lansdown
        BS1, Bristol
        £60000 - £80000 per annum + Pension, Bonus etc
        Principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. * Third party API services integration experience.
        Principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. * Third party API services integration experience.
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        NEWFEATURED

        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

        Lead Data Engineer

        Motability Operations
        BS1, Bristol
        Competitive Salary + Benefits
        Description - Continuing Defleet's data led journey and recognising the importance the Data & Analytics team performs in this regard, we are looking for a skilled Lead Data Engineer who is passionate about exploiting data and searching for improvements in our existing processes and technology; can work closely with business teams; drives solutions with a focused mentality on business value and can lead, influence and drive collaboration across teams and stakeholders. It will focus on expanding the existing mission critical ecosystem of Data and BI systems for analytics and decision making, using Primarily Data Warehouse/Mart, Data Lake, Self Service BI Tools and Data Science/ML platform using Oracle, Snowflake and AWS tech stack. Qualifications * Self-starter with initiative and enthusiasm * Thrives at solving problems with minimal or no direction and developing their
        Description - Continuing Defleet's data led journey and recognising the importance the Data & Analytics team performs in this regard, we are looking for a skilled Lead Data Engineer who is passionate about exploiting data and searching for improvements in our existing processes and technology; can work closely with business teams; drives solutions with a focused mentality on business value and can lead, influence and drive collaboration across teams and stakeholders. It will focus on expanding the existing mission critical ecosystem of Data and BI systems for analytics and decision making, using Primarily Data Warehouse/Mart, Data Lake, Self Service BI Tools and Data Science/ML platform using Oracle, Snowflake and AWS tech stack. Qualifications * Self-starter with initiative and enthusiasm * Thrives at solving problems with minimal or no direction and developing their
        more
        NEW

        Related Jobs


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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.

        Find out more

        How many API jobs are there in Cardiff?
        There are 15 API jobs within 10 miles of Cardiff available on Totaljobs right now.

        What other similar jobs are there to API jobs in Cardiff?
        As well as API jobs in Cardiff, you can find Salesforce, Data Analytics, Services, amongst many others.

        How many temporary and part-time API jobs are available in Cardiff?
        There are 1 temporary API jobs and 7 part-time API jobs available in Cardiff at the moment.

        Essential skills for an api career
        A successful API career requires a blend of technical and soft skills. Proficiency in programming languages like JavaScript, Java, and Python, along with expertise in API design, cloud architecture, and web development, are crucial for roles such as backend developer or full stack developer.

        What does a typical day look like for an api professional?
        An API professional's day often involves designing, developing, and testing APIs, collaborating with cross-functional teams, and troubleshooting issues. A backend software engineer might work on integrating APIs with various platforms, whilst a servicenow developer could focus on customising and optimising API implementations.
        Starting a career in api
        To start an API career, focus on building a strong foundation in programming and understanding API architectures. Gain practical experience through personal projects, contribute to open-source initiatives, and consider pursuing relevant certifications in areas like Salesforce or Office 365 to enhance your marketability.
        What are the different roles in the api industry?
        The API industry offers diverse roles, including integration engineer, java developer, and product assistant. A magento developer might specialise in e-commerce APIs, whilst a drupal developer could focus on content management system integrations, showcasing the breadth of opportunities available in this field.