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2 Permanent API jobs in Llanvihangel Llantarnam + 20 miles
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Newport - Hybrid £36,000 - £47,000 - VIQU are working in partnership with a leading organisation who are seeking a Senior Software Developer with a strong focus on integration and backend development. The successful Senior Software Developer will be experienced with a background in C# and .NET technologies who are capable at building configurable systems and reusable code libraries. * Design, develop and maintain reusable C# component libraries used for integrating third-party applications with internal systems * Build and configure instances of a Windows service engine to support message processing and data repository population * Develop, test, deploy and maintain backend integration services using .NET 8 and object-oriented principles * Collaborate closely with team members to support technical troubleshooting, component configuration and ongoing system maintenance
Newport - Hybrid £36,000 - £47,000 - VIQU are working in partnership with a leading organisation who are seeking a Senior Software Developer with a strong focus on integration and backend development. The successful Senior Software Developer will be experienced with a background in C# and .NET technologies who are capable at building configurable systems and reusable code libraries. * Design, develop and maintain reusable C# component libraries used for integrating third-party applications with internal systems * Build and configure instances of a Windows service engine to support message processing and data repository population * Develop, test, deploy and maintain backend integration services using .NET 8 and object-oriented principles * Collaborate closely with team members to support technical troubleshooting, component configuration and ongoing system maintenance
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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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32 exact matches jobs are outside your preferred location
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Senior Software Developer
Senior Software Developer
Inspire People
SA1, Swansea
£49600 - £60800 per annum + 29% pension + Civil Service benefits
Solid understanding of system design, API development and integration practices
Solid understanding of system design, API development and integration practices
Handle API integrations, DNS management, and web service configurations. * Deep understanding of API integrations, DNS management, and web service configurations.
Handle API integrations, DNS management, and web service configurations. * Deep understanding of API integrations, DNS management, and web service configurations.
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Design, build, and manage API integrations between HubSpot and other business-critical systems. * Hands-on experience with API integrations and working with third-party tools.
Design, build, and manage API integrations between HubSpot and other business-critical systems. * Hands-on experience with API integrations and working with third-party tools.
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Integrate external AI services (e.g., OpenAI API) into prototypes and production features.
Integrate external AI services (e.g., OpenAI API) into prototypes and production features.
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Senior Software Engineer - Pensions, ISA and Investments
Senior Software Engineer - Pensions, ISA and Investments
Hargreaves Lansdown
BS1, Bristol
£65000 - £80000 per annum + generous bonus, pension and more
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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Familiarity with AI/ML frameworks (e.g., OpenAI API, TensorFlow, PyTorch) and automation platforms.
Familiarity with AI/ML frameworks (e.g., OpenAI API, TensorFlow, PyTorch) and automation platforms.
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You’ll have a solid grasp of SEO, performance optimisation, and API integrations.
You’ll have a solid grasp of SEO, performance optimisation, and API integrations.
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Strong hands-on experience with Microsoft Azure core services (networking, compute, storage) and platform services (AKS, App Services, API Management, Event Hub/Service Bus).
Strong hands-on experience with Microsoft Azure core services (networking, compute, storage) and platform services (AKS, App Services, API Management, Event Hub/Service Bus).
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Lead Data & Machine Learning Architect
Lead Data & Machine Learning Architect
ZENOVO LTD
Beeches Industrial Estate, BS37 5JF
Up to £60,000 (depending on experience)
Job Title: Lead Data & Machine Learning Architect - Location: Yate (On-Site 2 Days Per Week) Salary: Up to £60,000 (Depending on Experience) This is a chance to join a team who are creating an Energy Management Solutions to minimise energy cost & increase higher returns from energy assets. We are seeking a highly skilled Lead Data & Machine Learning Architect to design and lead the development of robust data and machine learning systems. You will take ownership of the data architecture, drive the development and deployment of machine learning models, and contribute to the strategic use of data across the organisation. Data Architecture * Schema & Model Ownership: Design, implement, and maintain logical and physical data models, primarily using PostgreSQL. * Data Integration: Build and manage robust data pipelines to ingest, clean, and unify data from APIs, sensors, an
Job Title: Lead Data & Machine Learning Architect - Location: Yate (On-Site 2 Days Per Week) Salary: Up to £60,000 (Depending on Experience) This is a chance to join a team who are creating an Energy Management Solutions to minimise energy cost & increase higher returns from energy assets. We are seeking a highly skilled Lead Data & Machine Learning Architect to design and lead the development of robust data and machine learning systems. You will take ownership of the data architecture, drive the development and deployment of machine learning models, and contribute to the strategic use of data across the organisation. Data Architecture * Schema & Model Ownership: Design, implement, and maintain logical and physical data models, primarily using PostgreSQL. * Data Integration: Build and manage robust data pipelines to ingest, clean, and unify data from APIs, sensors, an
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Your new company - Join a purpose-driven organisation at the heart of a thriving community, where technology is being harnessed to transform lives. This values-led housing provider is embarking on a bold digital transformation journey, with a clear mission to deliver outstanding services to residents through innovation and excellence. With a strong commitment to social impact and modernisation, this is a place where your work will truly matter. Your new role - As the Senior Software Developer, you'll be the cornerstone of a brand-new in-house development team. You'll lead the design and implementation of a cutting-edge, event-driven integration platform built on Microsoft Azure, working initially alongside expert consultants before taking full technical ownership. This is a rare opportunity to shape the future of digital services from the ground up-architecting scalab
Your new company - Join a purpose-driven organisation at the heart of a thriving community, where technology is being harnessed to transform lives. This values-led housing provider is embarking on a bold digital transformation journey, with a clear mission to deliver outstanding services to residents through innovation and excellence. With a strong commitment to social impact and modernisation, this is a place where your work will truly matter. Your new role - As the Senior Software Developer, you'll be the cornerstone of a brand-new in-house development team. You'll lead the design and implementation of a cutting-edge, event-driven integration platform built on Microsoft Azure, working initially alongside expert consultants before taking full technical ownership. This is a rare opportunity to shape the future of digital services from the ground up-architecting scalab
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Senior Developer (PHP/Laravel)
Senior Developer (PHP/Laravel)
Rise Technical
Swindon, Wiltshire
£55000.00 - £65000.00 per annum + Progression + Pension
Senior Software Developer - Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Progression + Pension - An excellent opportunity awaits a Software Developer with strong PHP and Laravel experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
Senior Software Developer - Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Progression + Pension - An excellent opportunity awaits a Software Developer with strong PHP and Laravel experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
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Senior Software Engineer (Pensions, ISAs & Investments)
Senior Software Engineer (Pensions, ISAs & Investments)
Hargreaves Lansdown
BS1, Bristol
£65000 - £80000 per annum + Strong Bonus & Pension etc
Salary: Up to £80,000 dependent on experience - HL are looking for a talented full stack Senior Software Engineer to join our Pensions, ISAs & Investments product development team in building market leading solutions for our clients. This is an opportunity to join the UK's number one investment services company, looking after over £149.7bn billion in assets on behalf of more than 1.86 million UK investors. This is your chance to genuinely stamp your mark on one of the UK's most innovative and digital-focused businesses. What You'll Be Doing * Collaborate with cross-functional teams to deliver high-quality digital client journeys. * Design and develop AWS cloud-native applications with TypeScript and React and manage them using Infrastructure as Code. * Write high quality, secure, tested and performant code. * Create and maintain automated tests for new changes.
Salary: Up to £80,000 dependent on experience - HL are looking for a talented full stack Senior Software Engineer to join our Pensions, ISAs & Investments product development team in building market leading solutions for our clients. This is an opportunity to join the UK's number one investment services company, looking after over £149.7bn billion in assets on behalf of more than 1.86 million UK investors. This is your chance to genuinely stamp your mark on one of the UK's most innovative and digital-focused businesses. What You'll Be Doing * Collaborate with cross-functional teams to deliver high-quality digital client journeys. * Design and develop AWS cloud-native applications with TypeScript and React and manage them using Infrastructure as Code. * Write high quality, secure, tested and performant code. * Create and maintain automated tests for new changes.
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Skilled in data integration, ETL/ELT design, and API-driven architectures.
Skilled in data integration, ETL/ELT design, and API-driven architectures.
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Understanding ofmicroservices architecture,API gateways,
Understanding ofmicroservices architecture,API gateways,
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An understanding of API design and the creation of clear, stable abstractions for hardware/firmware interaction.
An understanding of API design and the creation of clear, stable abstractions for hardware/firmware interaction.
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Software Engineer - Pensions, ISA & Investments
Software Engineer - Pensions, ISA & Investments
Hargreaves Lansdown
BS1, Bristol
£45000 - £65000 per annum + generous bonus, pension and more
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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Familiarity with API Security, Container Security, AWS Cloud Security
Familiarity with API Security, Container Security, AWS Cloud Security
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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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Senior Software Developer
Senior Software Developer
Inspire People
UK
£49600 - £60800 per annum + 29% pension + Civil Service benefits
Solid understanding of system design, API development and integration practices
Solid understanding of system design, API development and integration practices
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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