Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations

Filters

Sort byRelevance
Commute time
Locations
Salaries
Date posted
    Type of Company
      Job types

        Related Jobs

        • Qa Automation
        • Quality Assurance
        • QA Analyst
        • Software Developer
        • Automation
        • Azure
        • C#
        • Senior Software Engineer
        • Automation Tester
        • QA Engineer
        • IT
        • Software Development
        • Testing
        • Management
        • Design

        show more

        Commute time

        Locations

        Popular searches nearby


        Bristol
        161











        See all jobs in Cardiff

        Salaries

        Date posted





        11 API jobs in Cardiff + 20 miles

        Senior Full Stack Developer (PL/SQL/ColdFusion)

        Method-Resourcing
        Newport (NP1), NP1
        £50000 - £55000 per annum
        Experience with API development and integration (RESTful services)
        Experience with API development and integration (RESTful services)
        FEATURED
        We are now looking for a Automation Tester to to design, implement, and maintain automated UI and API tests supporting continuous deployment.
        We are now looking for a Automation Tester to to design, implement, and maintain automated UI and API tests supporting continuous deployment.
        more
        The deployment environment varies, sometimes the 3rd party products are "on prem" with a libraries approach or it might be a Cloud based deployment with a RESTful API as the interface. * Data & API Work: SQL for data access, JSON/XML for data interchange, and basic JavaScript/TypeScript understanding for API or UI integration contexts. * Experience troubleshooting complex API and connectivity issues.
        The deployment environment varies, sometimes the 3rd party products are "on prem" with a libraries approach or it might be a Cloud based deployment with a RESTful API as the interface. * Data & API Work: SQL for data access, JSON/XML for data interchange, and basic JavaScript/TypeScript understanding for API or UI integration contexts. * Experience troubleshooting complex API and connectivity issues.
        more

        Lead Developer

        Intellectual Property Office
        Newport (NP10)
        From £66,162 to £77,888 per annum £19,167 towards membership of the C
        Pleasenote:Applicants should review all aspects of this advert to ensure a thorough understanding. If reviewing via a screen reader, please note that the Job summary, Job description, Person specification, Benefits and Things you need to know sections have been emphasised - The IPO is an 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 key role in ensuring the Legacy Existing Systems vertical within IT, continues to be able to support these aging and complex legacy systems. This is a challenging role as the post holder must be able to balance complex maintenance commitments of the legacy estate with new initiatives, and conflicting demands.
        Pleasenote:Applicants should review all aspects of this advert to ensure a thorough understanding. If reviewing via a screen reader, please note that the Job summary, Job description, Person specification, Benefits and Things you need to know sections have been emphasised - The IPO is an 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 key role in ensuring the Legacy Existing Systems vertical within IT, continues to be able to support these aging and complex legacy systems. This is a challenging role as the post holder must be able to balance complex maintenance commitments of the legacy estate with new initiatives, and conflicting demands.
        more
        Web Services, API, XML, XSLT, .Net, SQL, SOAP, REST
        Web Services, API, XML, XSLT, .Net, SQL, SOAP, REST
        NEW
        We are seeking experienced Full Stack TypeScript Developer to join our team and help build innovative, cross-platform applications using a unified architecture. You'll work across the stack - developing responsive frontends in React, building robust RESTful/GraphQL APIs with Node.js and Fastify, and creating desktop/mobile apps using Electron and React Native. Our unified approach ensures code reusability and consistency across all platforms. Familiarity with XSL for data transformation is a plus. We're especially keen to hear from candidates who have real-world experience with vibe coding - using AI tools like Claude, Cursor, or CoPilot to build production-grade software faster and smarter. This is a remote job with regular travel to Bristol. About Contenta - Contenta is part of RWSs content management platform focused on the Aerospace & Defence market.
        We are seeking experienced Full Stack TypeScript Developer to join our team and help build innovative, cross-platform applications using a unified architecture. You'll work across the stack - developing responsive frontends in React, building robust RESTful/GraphQL APIs with Node.js and Fastify, and creating desktop/mobile apps using Electron and React Native. Our unified approach ensures code reusability and consistency across all platforms. Familiarity with XSL for data transformation is a plus. We're especially keen to hear from candidates who have real-world experience with vibe coding - using AI tools like Claude, Cursor, or CoPilot to build production-grade software faster and smarter. This is a remote job with regular travel to Bristol. About Contenta - Contenta is part of RWSs content management platform focused on the Aerospace & Defence market.
        more

        Data Engineer

        PA Consulting Group Holdings Limited
        Cardiff, South Glamorgan
        Competitive
        We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description - We challenge where it matters and own the outcome.
        We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description - We challenge where it matters and own the outcome.
        more
        Technical Visionary: Strong knowledge of cloud architectures (Azure, AWS or GCP), microservices, API development, and modern development frameworks.
        Technical Visionary: Strong knowledge of cloud architectures (Azure, AWS or GCP), microservices, API development, and modern development frameworks.
        more

        142 exact matches jobs are outside your preferred location

        Node.JS Developer (SC Cleared)

        Sanderson Government and Defence
        Corsham, Wiltshire, BBTE
        £500 - £550 per day + Inside IR35
        SC Cleared Node.js Developer - Location: Fully Remote (UK-based only) Contract Type: Contract (Inside IR35) Day Rate: £500-£550/day - Clearance Required: Active SC Clearance - Duration: Until 31/03/2025 - Sector: Defence / Government - Role Overview - We are seeking a highly skilled and security-cleared Node.js Developer to join a long-term government programme within the UK defence sector. This role involves designing, developing, and maintaining secure back-end services and APIs using Node.js and modern cloud technologies. You'll work as part of a collaborative agile team delivering scalable solutions that support national security objectives. Key Responsibilities * Develop and maintain back-end services using Node.js and Express.js * Write clean, testable, and efficient code following best practices * Ensure systems are secure, scalable, and compliant with defence
        SC Cleared Node.js Developer - Location: Fully Remote (UK-based only) Contract Type: Contract (Inside IR35) Day Rate: £500-£550/day - Clearance Required: Active SC Clearance - Duration: Until 31/03/2025 - Sector: Defence / Government - Role Overview - We are seeking a highly skilled and security-cleared Node.js Developer to join a long-term government programme within the UK defence sector. This role involves designing, developing, and maintaining secure back-end services and APIs using Node.js and modern cloud technologies. You'll work as part of a collaborative agile team delivering scalable solutions that support national security objectives. Key Responsibilities * Develop and maintain back-end services using Node.js and Express.js * Write clean, testable, and efficient code following best practices * Ensure systems are secure, scalable, and compliant with defence
        more
        FEATURED

        Node.JS Developer

        Sanderson Government and Defence
        Corsham, Wiltshire, BBTE
        £500 - £550 per day + Inside IR35
        SC Cleared Node.js Developer - Location: Fully Remote (UK-based only) Contract Type: Contract (Inside IR35) Day Rate: £500-£550/day - Clearance Required: Active SC Clearance - Duration: Until 31/03/2025 - Sector: Defence / Government - Role Overview - We are seeking a highly skilled and security-cleared Node.js Developer to join a long-term government programme within the UK defence sector. This role involves designing, developing, and maintaining secure back-end services and APIs using Node.js and modern cloud technologies. You'll work as part of a collaborative agile team delivering scalable solutions that support national security objectives. Key Responsibilities * Develop and maintain back-end services using Node.js and Express.js * Write clean, testable, and efficient code following best practices * Ensure systems are secure, scalable, and compliant with defence
        SC Cleared Node.js Developer - Location: Fully Remote (UK-based only) Contract Type: Contract (Inside IR35) Day Rate: £500-£550/day - Clearance Required: Active SC Clearance - Duration: Until 31/03/2025 - Sector: Defence / Government - Role Overview - We are seeking a highly skilled and security-cleared Node.js Developer to join a long-term government programme within the UK defence sector. This role involves designing, developing, and maintaining secure back-end services and APIs using Node.js and modern cloud technologies. You'll work as part of a collaborative agile team delivering scalable solutions that support national security objectives. Key Responsibilities * Develop and maintain back-end services using Node.js and Express.js * Write clean, testable, and efficient code following best practices * Ensure systems are secure, scalable, and compliant with defence
        more
        FEATURED

        Related Jobs


        show more

        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 Qa Automation, Quality Assurance, QA Analyst, amongst many others.