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61 Permanent API jobs in Buckinghamshire + 20 miles
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
This remote role is open only to applicants living, with right to remain and work, in the United Kingdom, Netherlands or Germany. Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. This role will require you to work in a small but dynamic team tasked with working on our technology platform (RaceControl) that powers the way we handle online multiplayer racing on our games and simulations. Weve been creating a new way to interact with online racing to ensure multiplayer racing is delivered in a fun and engaging way.
This remote role is open only to applicants living, with right to remain and work, in the United Kingdom, Netherlands or Germany. Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. This role will require you to work in a small but dynamic team tasked with working on our technology platform (RaceControl) that powers the way we handle online multiplayer racing on our games and simulations. Weve been creating a new way to interact with online racing to ensure multiplayer racing is delivered in a fun and engaging way.
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OrganOx is an innovative, fast-paced, global medical device company with a mission to save lives by making every donated organ count. We are a commercial stage organ technology company, spun out of the University of Oxford in 2008, committed to improving transplantation outcomes throughout the world. The companys first product, the OrganOx metra normothermic machine perfusion (NMP) system for liver transplantation, has been used to support more than 5,000 liver transplant operations globally. Position Summary - The Senior Full Stack Web Developer will be a key internal resource in the Digital department and will deliver on projects to build research tools and production solutions to dovetail with outsourced development teams while being an asset to the specialist design and development work conducted in-house.
OrganOx is an innovative, fast-paced, global medical device company with a mission to save lives by making every donated organ count. We are a commercial stage organ technology company, spun out of the University of Oxford in 2008, committed to improving transplantation outcomes throughout the world. The companys first product, the OrganOx metra normothermic machine perfusion (NMP) system for liver transplantation, has been used to support more than 5,000 liver transplant operations globally. Position Summary - The Senior Full Stack Web Developer will be a key internal resource in the Digital department and will deliver on projects to build research tools and production solutions to dovetail with outsourced development teams while being an asset to the specialist design and development work conducted in-house.
A Full Stack Software Engineering role. A role that will build your technical capabilities, providing a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA, DevOps, and fellow engineers, this role helps shape technical solutions and contributes to quality practices. Essential Skills & Experience * Strong Python Development Capability 3 years+ * Experienced with front-end frameworks (React.js and Next.js) * Experience with TypeScript * Experience implementing and integrating with REST APIs * SQL experience (preferably PostgreSQL and/or MySQL) * Experience with responsive web design * Understanding of SEO strategies and security standards
A Full Stack Software Engineering role. A role that will build your technical capabilities, providing a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA, DevOps, and fellow engineers, this role helps shape technical solutions and contributes to quality practices. Essential Skills & Experience * Strong Python Development Capability 3 years+ * Experienced with front-end frameworks (React.js and Next.js) * Experience with TypeScript * Experience implementing and integrating with REST APIs * SQL experience (preferably PostgreSQL and/or MySQL) * Experience with responsive web design * Understanding of SEO strategies and security standards
A role to put your Software Engineering problem solving skills to the test, translating complex technical concepts to cross-functional audiences. You will play a key role in delivering robust, secure, and scalable software systems. Working closely with Product, QA, and DevOps, you will balance hands-on development with architectural contribution, promote Agile best practices, and help raise the engineering bar through coaching, code quality, and continuous improvement initiatives. You will support the teams technical evolution while ensuring reliable product delivery aligned to business needs. * Strong Python Development Capability 5 years+ * Experience implementing and integrating with REST APIs * SQL experience (preferably PostgreSQL and/or MySQL) * Passionate about building quality software * Experience of developing in Rust.
A role to put your Software Engineering problem solving skills to the test, translating complex technical concepts to cross-functional audiences. You will play a key role in delivering robust, secure, and scalable software systems. Working closely with Product, QA, and DevOps, you will balance hands-on development with architectural contribution, promote Agile best practices, and help raise the engineering bar through coaching, code quality, and continuous improvement initiatives. You will support the teams technical evolution while ensuring reliable product delivery aligned to business needs. * Strong Python Development Capability 5 years+ * Experience implementing and integrating with REST APIs * SQL experience (preferably PostgreSQL and/or MySQL) * Passionate about building quality software * Experience of developing in Rust.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Knowledge/ experience in API design, restful services
Knowledge/ experience in API design, restful services
Full Stack Engineer (Product Data Compliance) - 12 month FTC- Remote
Full Stack Engineer (Product Data Compliance) - 12 month FTC- Remote
Abcam PLC
Amersham, Buckinghamshire
Competitive
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
Strong API development and database experience (Postgres/Oracle + SQL).
Strong API development and database experience (Postgres/Oracle + SQL).
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Experience with ARTIQ systems, or controlling hardware via python API.
Experience with ARTIQ systems, or controlling hardware via python API.
794 exact matches jobs are outside your preferred location
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A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. * Axway's core products: Policy Studio, API Gateway, and API Manager. If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you.
A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. * Axway's core products: Policy Studio, API Gateway, and API Manager. If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you.
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Strong understanding of API testing, performance profiling, and security testing
Strong understanding of API testing, performance profiling, and security testing
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Lead Full Stack Developer
Lead Full Stack Developer
S-SA Digital Recruitment Ltd
NN6, Northampton
From £55,000 to £70,000 per annum
SEO Keywords embedded: Full-Stack Developer, Lead Developer, Node.js Developer, PHP Developer, Python Developer, AI Developer, AI Engineer, API Development, REST APIs, Cloud (AWS, GCP, Azure), React, Angular, Docker, Kubernetes, Machine Learning, AI Code Assistants, GitHub Copilot, CodeWhisperer.
SEO Keywords embedded: Full-Stack Developer, Lead Developer, Node.js Developer, PHP Developer, Python Developer, AI Developer, AI Engineer, API Development, REST APIs, Cloud (AWS, GCP, Azure), React, Angular, Docker, Kubernetes, Machine Learning, AI Code Assistants, GitHub Copilot, CodeWhisperer.
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We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
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D365 Senior Developer - D365 Finance, APIS, Azure
D365 Senior Developer - D365 Finance, APIS, Azure
Hays
London
£500.0 - £515.0 per day + up to £515 pd (InsideIR35)
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * Experience in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * Experience in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
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D365 Senior Developer - D365 Finance, APIS, Azure
D365 Senior Developer - D365 Finance, APIS, Azure
Hays
London
£500.0 - £515.0 per day + up to £515 pd (InsideIR35)
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * 5+ years in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * 5+ years in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
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AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for 3 - Full Stack Developers for acontract until end of 2025 based
AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for 3 - Full Stack Developers for acontract until end of 2025 based
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Integrate and manage APIs through Apigee API Management. * Familiarity with Apigee and API gateway configuration.
Integrate and manage APIs through Apigee API Management. * Familiarity with Apigee and API gateway configuration.
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Exposure to Swift Vapor for server-side API development (desirable, not essential).
Exposure to Swift Vapor for server-side API development (desirable, not essential).
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AI Solution Architect (AI Agents, Retail / eCommerce)
AI Solution Architect (AI Agents, Retail / eCommerce)
Staffworx Limited
WC1A, Central London
market rates, outside IR35 or permanent
Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. * Experience with AI/ML frameworks such as TensorFlow, PyTorch, OpenAI API, or LangChain. * Strong understanding of API design, including REST, GraphQL, and WebSockets.
Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. * Experience with AI/ML frameworks such as TensorFlow, PyTorch, OpenAI API, or LangChain. * Strong understanding of API design, including REST, GraphQL, and WebSockets.
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Solid experience with Python and FastAPI for backend/API development.
Solid experience with Python and FastAPI for backend/API development.
API Integration
API Integration
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Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
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Senior .Net Developer
Senior .Net Developer
Halian Technology Limited
W1, Central London
From £75,000 to £90,000 per annum Plus bonus and benefits
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
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