Date posted
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Locations
Locations
Salaries
Date posted
Type of Company
Job types
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5 Permanent API jobs in South Glamorgan + 20 miles
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Hands on experience UI and API test automation tools.
Hands on experience UI and API test automation tools.
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Technical Services Consultant
Technical Services Consultant
Newton Blue
CF1, Cardiff
Up to £60,000 per annum dependent on experience plus excellent benefit
Rest API's and/or WCF services, working with JSON and SOAP
Rest API's and/or WCF services, working with JSON and SOAP
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Were looking for a junior or graduate Python developer to join our team. You must be someone whos confident talking to customers, highly organised, and excited to learn and grow in a fast-paced environment. What Youll Do * Build and support Python-based tools and applications. * Work directly with customers - understand their needs and explain solutions clearly. * Join client calls, demos, and feedback sessions with confidence. * Manage and prioritise tasks to keep projects on track. * Use modern AI tools (e.g. Claude, ChatGPT) to boost your development work. What Were Looking For * Good Python skills and a passion for building software. * Excellent communication skills and confidence dealing with customers. * Strong organisation and time-management abilities. * Eagerness to learn and use AI tools. * Any experience with APIs, web frameworks, or Git is a bonus! Why Joi
Were looking for a junior or graduate Python developer to join our team. You must be someone whos confident talking to customers, highly organised, and excited to learn and grow in a fast-paced environment. What Youll Do * Build and support Python-based tools and applications. * Work directly with customers - understand their needs and explain solutions clearly. * Join client calls, demos, and feedback sessions with confidence. * Manage and prioritise tasks to keep projects on track. * Use modern AI tools (e.g. Claude, ChatGPT) to boost your development work. What Were Looking For * Good Python skills and a passion for building software. * Excellent communication skills and confidence dealing with customers. * Strong organisation and time-management abilities. * Eagerness to learn and use AI tools. * Any experience with APIs, web frameworks, or Git is a bonus! Why Joi
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Full Stack Developer
Full Stack Developer
Yolk Recruitment
CF1, Cardiff
£45000.00 - £58000.00 per annum + + excellent benefits
Design, build and maintain features across a modern stack, including React, TypeScript, NodeJS, AWS Lambdas, API Gateway, Docker, AWS Glue, Python, and SQL/NoSQL databases. * Familiarity with AWS services (Lambda, API Gateway, Glue, Step Functions, CloudFormation).
Design, build and maintain features across a modern stack, including React, TypeScript, NodeJS, AWS Lambdas, API Gateway, Docker, AWS Glue, Python, and SQL/NoSQL databases. * Familiarity with AWS services (Lambda, API Gateway, Glue, Step Functions, CloudFormation).
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Technical Architect
Technical Architect
Inspire People
CF1, Cardiff
£67867 - £81793 per annum + 29% pension + Civil Service benefits
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
35 exact matches jobs are outside your preferred location
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In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
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Implementation of secure authentication using PKI, OIDC, and OAuth 2.0, and automates testing with unit and API tests.
Implementation of secure authentication using PKI, OIDC, and OAuth 2.0, and automates testing with unit and API tests.
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Strong experience with RESTful API design and distributed systems.
Strong experience with RESTful API design and distributed systems.
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Skilled in cloud technologies (Azure, GCP, or AWS), microservices, and API strategy
Skilled in cloud technologies (Azure, GCP, or AWS), microservices, and API strategy
FEATURED
Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
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Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
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Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
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Join the team shaping the future of automotive intelligence - At Brego, were redefining how data powers the automotive industry. From cutting-edge vehicle valuations to advanced analytics, we build the technology behind smarter, faster, more transparent decisions for dealers, lenders, and partners across the UK and beyond. Were growing fast and were looking for an experienced Full Stack Developer with strong NodeJS and TypeScript skills to help us take our platform to the next level. What Youll Do * Design, build, and scale high-performance web applications using Next.js, TypeScript, and Node.js on AWS. * Deliver elegant, maintainable code and new product features that delight our users. * Collaborate with product, design, and data teams to translate ideas into real-world solutions. * Integrate with RESTful APIs and third-party services to expand our platforms capabil
Join the team shaping the future of automotive intelligence - At Brego, were redefining how data powers the automotive industry. From cutting-edge vehicle valuations to advanced analytics, we build the technology behind smarter, faster, more transparent decisions for dealers, lenders, and partners across the UK and beyond. Were growing fast and were looking for an experienced Full Stack Developer with strong NodeJS and TypeScript skills to help us take our platform to the next level. What Youll Do * Design, build, and scale high-performance web applications using Next.js, TypeScript, and Node.js on AWS. * Deliver elegant, maintainable code and new product features that delight our users. * Collaborate with product, design, and data teams to translate ideas into real-world solutions. * Integrate with RESTful APIs and third-party services to expand our platforms capabil
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Role: Senior Frontend Engineer - Location: UK - Salary: Competitive - Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client, launched in December 2023 and are already taking the developer world by storm! They are the end-to-end developer platform for building seamless, lightning-fast customer-facing analytics directly into your product. They are looking for a Senior Frontend Developer to come on board and really make an impact. You will work alongside a small (but growing!) talented Frontend Engineer team as part of a collaborative
Role: Senior Frontend Engineer - Location: UK - Salary: Competitive - Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client, launched in December 2023 and are already taking the developer world by storm! They are the end-to-end developer platform for building seamless, lightning-fast customer-facing analytics directly into your product. They are looking for a Senior Frontend Developer to come on board and really make an impact. You will work alongside a small (but growing!) talented Frontend Engineer team as part of a collaborative
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Test Automation Manager - Permanent - Location: UK - Remote - Salary: Dependant on experience (+ Employee Benefits) Skills: Team Management, ETRM (ie. Openlink Endur) Energy / Financial Trading experience, QA Team management, BDD, CI/CD, Python, Java etc. We're recruiting a talented Test Automation Manager for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Test Automation Manager with proven team management experience to take ownership of automation practices and guide small, skilled teams. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring
Test Automation Manager - Permanent - Location: UK - Remote - Salary: Dependant on experience (+ Employee Benefits) Skills: Team Management, ETRM (ie. Openlink Endur) Energy / Financial Trading experience, QA Team management, BDD, CI/CD, Python, Java etc. We're recruiting a talented Test Automation Manager for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Test Automation Manager with proven team management experience to take ownership of automation practices and guide small, skilled teams. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring
£80,000 - £90,000 | Fully Remote | Full-time - Are you an experienced software engineer with a passion for front-end development and a proven track record in React? We're looking for a Lead Software Engineer to guide a small but talented team while continuing to deliver impactful features yourself. This role blends technical leadership with hands-on coding, giving you the opportunity to shape the direction of a modern SaaS platform while staying close to the craft. What You'll Do * Take the lead on front-end development, driving high-quality user experiences using React and TypeScript. * Contribute directly to the product codebase, designing and delivering scalable, performant features. * Review code for consistency, maintainability, and best practices. * Collaborate with Product Managers to translate requirements into clear development tasks.
£80,000 - £90,000 | Fully Remote | Full-time - Are you an experienced software engineer with a passion for front-end development and a proven track record in React? We're looking for a Lead Software Engineer to guide a small but talented team while continuing to deliver impactful features yourself. This role blends technical leadership with hands-on coding, giving you the opportunity to shape the direction of a modern SaaS platform while staying close to the craft. What You'll Do * Take the lead on front-end development, driving high-quality user experiences using React and TypeScript. * Contribute directly to the product codebase, designing and delivering scalable, performant features. * Review code for consistency, maintainability, and best practices. * Collaborate with Product Managers to translate requirements into clear development tasks.
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Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
FEATURED
Role Full Stack Developer - Location - London (Remote) Salary - £70K - £85K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
Role Full Stack Developer - Location - London (Remote) Salary - £70K - £85K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
Experience with REST API testing and scripting in Python, JavaScript, TypeScript, or Bash.
Experience with REST API testing and scripting in Python, JavaScript, TypeScript, or Bash.
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API development and integration (preferably using Go but not essential).
API development and integration (preferably using Go but not essential).
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Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
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GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
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Proficiency in Python, Go, and/or Node.js with strong API development experience. * Strong knowledge of enterprise auth (OAuth, SAML, JWT, SSO) and secure API design.
Proficiency in Python, Go, and/or Node.js with strong API development experience. * Strong knowledge of enterprise auth (OAuth, SAML, JWT, SSO) and secure API design.
Deep knowledge of at least one modern graphics API (DirectX 12)
Deep knowledge of at least one modern graphics API (DirectX 12)
Build and Operate AI Middleware: Implement, and manage Model Context Protocol (MCP) servers, gateways, and API wrappers that securely expose enterprise systems, tools, and data for AI agent consumption.
Build and Operate AI Middleware: Implement, and manage Model Context Protocol (MCP) servers, gateways, and API wrappers that securely expose enterprise systems, tools, and data for AI agent consumption.