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56 Permanent API jobs in South West + 20 miles
67 exact matches jobs are outside your preferred location
My client are seeking a talentedScala Developerto join their engineering team and contribute to the design and development ofscalable, high-performance applications. This role involves working on modern distributed systems, building APIs, and collaborating with cross-functional teams to deliver enterprise-grade solutions. * Design, develop and maintain backend services and APIs usingScalaandPlay Framework. * Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. * Write well-structured, idiomatic Scala and use functional programming patterns where appropriate. * Build and maintain automated tests (unit, integration), and support test automation efforts. * Collaborate with product owners, UX, QA, and other engineers in an Agile environment (Scrum/Kanban).
My client are seeking a talentedScala Developerto join their engineering team and contribute to the design and development ofscalable, high-performance applications. This role involves working on modern distributed systems, building APIs, and collaborating with cross-functional teams to deliver enterprise-grade solutions. * Design, develop and maintain backend services and APIs usingScalaandPlay Framework. * Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. * Write well-structured, idiomatic Scala and use functional programming patterns where appropriate. * Build and maintain automated tests (unit, integration), and support test automation efforts. * Collaborate with product owners, UX, QA, and other engineers in an Agile environment (Scrum/Kanban).
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Full Stack - Ruby on Rails, React - Up to £120k DOE - Fully Remote - must be UK based - A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Lead Full Stack Engineer. This is a pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction, and still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you'll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably as our user base grows. You'll act as a role model for engineering excellence - mentoring others, elevating standards, and collaborating closely with Product, Design, and Customer Success to build tools our customers truly value. Tech Stack: Ruby on Rails, React, React Nativ
Full Stack - Ruby on Rails, React - Up to £120k DOE - Fully Remote - must be UK based - A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Lead Full Stack Engineer. This is a pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction, and still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you'll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably as our user base grows. You'll act as a role model for engineering excellence - mentoring others, elevating standards, and collaborating closely with Product, Design, and Customer Success to build tools our customers truly value. Tech Stack: Ruby on Rails, React, React Nativ
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Scala Developer - Remote Contract - Immediate Start
Scala Developer - Remote Contract - Immediate Start
Stealth IT Consulting Limited
UK
£380 per day £380 per day (Inside IR35)
Role Overview - We are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start. Key Responsibilities * Design, develop, and maintain backend services and APIs using Scala and Play Framework. * Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. * Write clean, idiomatic Scala code and apply functional programming principles where appropriate. * Develop and maintain automated tests (unit and integration) and support test automation initiatives. * Collaborate with product owners, UX designers, QA, and other engineers in an Agile environment (Scrum/Kanban).
Role Overview - We are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start. Key Responsibilities * Design, develop, and maintain backend services and APIs using Scala and Play Framework. * Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. * Write clean, idiomatic Scala code and apply functional programming principles where appropriate. * Develop and maintain automated tests (unit and integration) and support test automation initiatives. * Collaborate with product owners, UX designers, QA, and other engineers in an Agile environment (Scrum/Kanban).
Full Stack - Ruby on Rails, React - Up to £120k DOE - Fully Remote - must be UK based - A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Lead Full Stack Engineer. This is a pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction, and still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you'll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably as our user base grows. You'll act as a role model for engineering excellence - mentoring others, elevating standards, and collaborating closely with Product, Design, and Customer Success to build tools our customers truly value. Tech Stack: Ruby on Rails, React, React Nativ
Full Stack - Ruby on Rails, React - Up to £120k DOE - Fully Remote - must be UK based - A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Lead Full Stack Engineer. This is a pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction, and still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you'll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably as our user base grows. You'll act as a role model for engineering excellence - mentoring others, elevating standards, and collaborating closely with Product, Design, and Customer Success to build tools our customers truly value. Tech Stack: Ruby on Rails, React, React Nativ
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Palantir Foundry Lead Consultant - Lead architect and hands-on technical owner for Palantir Foundry implementations. You will design and build production-grade data and application workflows on Foundry, own technical decisions end-to-end and work directly with senior stakeholders while mentoring engineering teams. Core Responsibilities - Foundry Solution Architecture & Build - o Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads). o Ontology modelling (object/relationship design, semantics, versioning). o Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). * Define and implement patterns for data modelling, transformation, and lineage tracking. * Design permission models (RBAC/ABAC), object-level security and auditability. * Implement CI/CD and environment promotion strategies for Foundry arte
Palantir Foundry Lead Consultant - Lead architect and hands-on technical owner for Palantir Foundry implementations. You will design and build production-grade data and application workflows on Foundry, own technical decisions end-to-end and work directly with senior stakeholders while mentoring engineering teams. Core Responsibilities - Foundry Solution Architecture & Build - o Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads). o Ontology modelling (object/relationship design, semantics, versioning). o Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). * Define and implement patterns for data modelling, transformation, and lineage tracking. * Design permission models (RBAC/ABAC), object-level security and auditability. * Implement CI/CD and environment promotion strategies for Foundry arte
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£70000 GBP - Remote WORKING Type: Permanent - Location: Ireland preferred | Remote (UK-based, excluding London) Salary: £60,000 - £70,000 - Work Type: Full-flex hybrid - About the Company - This is your chance to join a fast-growing, award-winning SaaS company that's redefining how mobile workforces operate. With over a decade of experience and a strong customer base across industries like construction, safety, and field services, this organisation is a true homegrown success story. As part of a larger tech group, they offer a unique combination of software and hardware solutions, giving clients a comprehensive digital transformation experience. Their platform is trusted by hundreds of businesses to streamline operations and empower teams in the field. Why You'll Want to Work Here * Recognised for product innovation and customer support excellence
£70000 GBP - Remote WORKING Type: Permanent - Location: Ireland preferred | Remote (UK-based, excluding London) Salary: £60,000 - £70,000 - Work Type: Full-flex hybrid - About the Company - This is your chance to join a fast-growing, award-winning SaaS company that's redefining how mobile workforces operate. With over a decade of experience and a strong customer base across industries like construction, safety, and field services, this organisation is a true homegrown success story. As part of a larger tech group, they offer a unique combination of software and hardware solutions, giving clients a comprehensive digital transformation experience. Their platform is trusted by hundreds of businesses to streamline operations and empower teams in the field. Why You'll Want to Work Here * Recognised for product innovation and customer support excellence
PREMIUM
Lead .NET/C# Developer - 12 Month Remote Contract (Inside IR35)
Lead .NET/C# Developer - 12 Month Remote Contract (Inside IR35)
Stealth IT Consulting Limited
UK
£475 per day £475 per day (Inside IR35)
Azure API Management
Azure API Management
Senior Software Developer (BPSS Cleared) - Contract (Remote UK)
Senior Software Developer (BPSS Cleared) - Contract (Remote UK)
Stealth IT Consulting Limited
UK
£380 per day £380 per day
Configure and manage API gateways and reverse proxies using Kong (CE/EE) and Nginx.
Configure and manage API gateways and reverse proxies using Kong (CE/EE) and Nginx.
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A good understanding of API design (REST or GraphQL) and relational databases
A good understanding of API design (REST or GraphQL) and relational databases
Proven experience with API development and integration
Proven experience with API development and integration
You will be an expert in Mulesoft, API design, development and management, demonstrating significant expertise in the terms of integrations within an enterprise environment and fast-moving organisation. * Implement and promote best practices for modern API-led connectivity. * Proven experience with MuleSoft integration technologies, including Mule 4 runtime and DataWeave, and hands-on expertise across the Anypoint Platform encompassing CloudHub 2.0, API Manager, Runtime Manager, Anypoint Exchange, Design Center, Anypoint Studio, and Anypoint Code Builder. * In depth knowledge of best practices in API management in terms of performance and security (e.g. OAuth 2.0, JWT, TLS, encryption)
You will be an expert in Mulesoft, API design, development and management, demonstrating significant expertise in the terms of integrations within an enterprise environment and fast-moving organisation. * Implement and promote best practices for modern API-led connectivity. * Proven experience with MuleSoft integration technologies, including Mule 4 runtime and DataWeave, and hands-on expertise across the Anypoint Platform encompassing CloudHub 2.0, API Manager, Runtime Manager, Anypoint Exchange, Design Center, Anypoint Studio, and Anypoint Code Builder. * In depth knowledge of best practices in API management in terms of performance and security (e.g. OAuth 2.0, JWT, TLS, encryption)
Experience with PlayStation SDK/API, TRC, Network features.
Experience with PlayStation SDK/API, TRC, Network features.
Create and maintain API and data integrations between ServiceNow and other services.
Create and maintain API and data integrations between ServiceNow and other services.
Software Consulting Engineer – T&D Configuration Systems & Software Solutions
Software Consulting Engineer – T&D Configuration Systems & Software Solutions
GE Vernova
UK
Competitive
Drive the integration IEC 61850 engineering workflows (SCL-based ICD, SCD, SSD) into intuitive, automated tooling ecosystems aligned with modern UI/UX, API design, and utility integration requirements. * Knowledge of data modeling, API integration, network communications, and cybersecurity practices.
Drive the integration IEC 61850 engineering workflows (SCL-based ICD, SCD, SSD) into intuitive, automated tooling ecosystems aligned with modern UI/UX, API design, and utility integration requirements. * Knowledge of data modeling, API integration, network communications, and cybersecurity practices.
Define Architectural Strategy: Use strong system and API design skills to make decisive architectural choices, ensuring our solutions are robust, scalable, and efficient
Define Architectural Strategy: Use strong system and API design skills to make decisive architectural choices, ensuring our solutions are robust, scalable, and efficient
AWS API Gateway
AWS API Gateway
Evolving our API layer and backend domain models to support new product features.
Evolving our API layer and backend domain models to support new product features.
In depth experience with Vue.js, React or other modern JavaScript frameworks, with expertise in GraphQL for API integration and data management
In depth experience with Vue.js, React or other modern JavaScript frameworks, with expertise in GraphQL for API integration and data management
Welcome to Haleon. Were a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, weve grown, evolved and are now entering an exciting new chapter one filled with bold ambitions and enormous opportunity. Our trusted portfolio of brands including Sensodyne, Panadol, Advil, Voltaren, Theraflu, Otrivin, and Centrum lead in resilient and growing categories. What sets us apart is our unique blend of deep human understanding and trusted science. Now its time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose to deliver better everyday health with humanity at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture. About the rol
Welcome to Haleon. Were a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, weve grown, evolved and are now entering an exciting new chapter one filled with bold ambitions and enormous opportunity. Our trusted portfolio of brands including Sensodyne, Panadol, Advil, Voltaren, Theraflu, Otrivin, and Centrum lead in resilient and growing categories. What sets us apart is our unique blend of deep human understanding and trusted science. Now its time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose to deliver better everyday health with humanity at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture. About the rol
Blue Light Card. Individually great, together unstoppable - The Role and the Team - At Blue Light Card, were opening up multiple opportunities for Full Stack Engineers to join our growing Engineering team. Were committed to building meaningful digital experiences that support millions of frontline workers across the UK. Following our recent replatforming, weve created space for new ideas, greenfield development, and opportunities for engineers who want to genuinely influence the products they build. Youll work within an agile, supportive squad where collaboration is key. Our teams partner closely with Product, Design, and Data to deliver features that enhance personalisation, engagement, and the overall member experience, while giving you room to grow, experiment, and take ownership. What Youll Do * Develop high-quality applications across our modern full-stack enviro
Blue Light Card. Individually great, together unstoppable - The Role and the Team - At Blue Light Card, were opening up multiple opportunities for Full Stack Engineers to join our growing Engineering team. Were committed to building meaningful digital experiences that support millions of frontline workers across the UK. Following our recent replatforming, weve created space for new ideas, greenfield development, and opportunities for engineers who want to genuinely influence the products they build. Youll work within an agile, supportive squad where collaboration is key. Our teams partner closely with Product, Design, and Data to deliver features that enhance personalisation, engagement, and the overall member experience, while giving you room to grow, experiment, and take ownership. What Youll Do * Develop high-quality applications across our modern full-stack enviro
GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating human progress. Our platform unites teams and organizations, breaking down barriers and redefining what's possible in software development. Thanks to products like Duo Enterprise and Duo Agent Platform, customers get AI benefits at every stage of the SDLC. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact.
GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating human progress. Our platform unites teams and organizations, breaking down barriers and redefining what's possible in software development. Thanks to products like Duo Enterprise and Duo Agent Platform, customers get AI benefits at every stage of the SDLC. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact.
Role: Java Engineer - Native Apps - Location: London office / Hybrid (2 days per week in the office) Reporting to: Engineering Manager - Rightmoves Native Apps are central to how millions of people find their next home. We are investing in creating faster, smarter, and more personalised mobile experiences, built on modern technology, powered by data, and driven by teams who care deeply about quality and collaboration. As part of this transformation, the Native Apps engineering group is becoming a space for experimentation and innovation, where backend systems and mobile experiences come together more seamlessly than ever before. Joining now means helping to shape how we design, build, and scale the technology that powers the UKs most trusted property platform, while contributing to an inclusive engineering culture that values learning, creativity, and impact. The Role
Role: Java Engineer - Native Apps - Location: London office / Hybrid (2 days per week in the office) Reporting to: Engineering Manager - Rightmoves Native Apps are central to how millions of people find their next home. We are investing in creating faster, smarter, and more personalised mobile experiences, built on modern technology, powered by data, and driven by teams who care deeply about quality and collaboration. As part of this transformation, the Native Apps engineering group is becoming a space for experimentation and innovation, where backend systems and mobile experiences come together more seamlessly than ever before. Joining now means helping to shape how we design, build, and scale the technology that powers the UKs most trusted property platform, while contributing to an inclusive engineering culture that values learning, creativity, and impact. The Role
At Iconology Ltd, we are a forward-thinking Managed Service Provider (MSP) based in Kent, delivering outstanding IT, automation, and AI-driven solutions to clients across diverse industries. At Iconology, dedication and initiative are recognised and rewarded. As our business continues to grow, so do the opportunities for career progression and personal development. If youre passionate about technology, automation, and innovation and youre eager to learn in a fast-paced, team-driven environment, apply today! You will work closely with the IT Tech team and management, gaining the skills and experience to progress into an Apprentice Automation Engineer or IT Systems Technician role - Upon successful completion of the apprenticeship, there may be an opportunity to secure a full-time position if available at the time with continued professional development, vendor ...
At Iconology Ltd, we are a forward-thinking Managed Service Provider (MSP) based in Kent, delivering outstanding IT, automation, and AI-driven solutions to clients across diverse industries. At Iconology, dedication and initiative are recognised and rewarded. As our business continues to grow, so do the opportunities for career progression and personal development. If youre passionate about technology, automation, and innovation and youre eager to learn in a fast-paced, team-driven environment, apply today! You will work closely with the IT Tech team and management, gaining the skills and experience to progress into an Apprentice Automation Engineer or IT Systems Technician role - Upon successful completion of the apprenticeship, there may be an opportunity to secure a full-time position if available at the time with continued professional development, vendor ...
Job summary - An exciting opportunity has arisen for a Full Stack Developer to join our IT team as we continue our journey of growth and innovation. We are looking for a results-driven individual who is passionate about technology and eager to contribute new and creative ideas. Main duties of the job - In this role, you will work closely with our Lead Full Stack Developer to support the end-to-end development of web applications from concept and design to testing and deployment. You will play a key role in developing new features and enhancing existing functionality within our in-house systems across the full technology stack. About us - Community Health and Eyecare are an independent service provider that specialise in Ophthalmology and Endoscopy services supporting the NHS. CHEC are an established group of hospitals and community clinics across the UK.
Job summary - An exciting opportunity has arisen for a Full Stack Developer to join our IT team as we continue our journey of growth and innovation. We are looking for a results-driven individual who is passionate about technology and eager to contribute new and creative ideas. Main duties of the job - In this role, you will work closely with our Lead Full Stack Developer to support the end-to-end development of web applications from concept and design to testing and deployment. You will play a key role in developing new features and enhancing existing functionality within our in-house systems across the full technology stack. About us - Community Health and Eyecare are an independent service provider that specialise in Ophthalmology and Endoscopy services supporting the NHS. CHEC are an established group of hospitals and community clinics across the UK.
Description - As our new Senior Graphics Programmer here at Build A Rocket Boy you will help develop state of the art visuals for our existing and upcoming games. You will work closely with multiple departments to implement, maintain, and optimize engine and rendering features. You are a self-starter, can deliver work on time, and work well in a team of programmers, artists, and designers. Key Responsibilities * Deliver high quality and high-performance rendering systems using appropriate levels of abstraction, data structures and algorithms inside the Unreal Engine 5 codebase. * Investigate and improve performance and memory usage across all platforms (PC, consoles). * Monitor performance and stability data from our games and use this to adapt Unreal Engine for our use-cases. * Test, document, and maintain the code systems you implement.
Description - As our new Senior Graphics Programmer here at Build A Rocket Boy you will help develop state of the art visuals for our existing and upcoming games. You will work closely with multiple departments to implement, maintain, and optimize engine and rendering features. You are a self-starter, can deliver work on time, and work well in a team of programmers, artists, and designers. Key Responsibilities * Deliver high quality and high-performance rendering systems using appropriate levels of abstraction, data structures and algorithms inside the Unreal Engine 5 codebase. * Investigate and improve performance and memory usage across all platforms (PC, consoles). * Monitor performance and stability data from our games and use this to adapt Unreal Engine for our use-cases. * Test, document, and maintain the code systems you implement.