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24 Permanent API jobs in High Wycombe + 20 miles
373 exact matches jobs are outside your preferred location
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Robert Half is pleased to be working for a growing manufacturer based in Andover who are expanding their Technology team. We are recruiting for a Systems and Integration Manager to join on a permanent basis. Paying up to £65,000 and will be based based in Andover 4 days a week. As a Systems and Integration specialist you will be the lead on their iPaaS solution and be responsible for scaling up their systems offering! You will play a pivotal role in enabling end-to-end process automation and real-time data flow between their ERP platform, and other internal and external systems. * Lead the architecture, design and implementation of scalable, secure and reliable system integrations between ERP, CRM, WMS systems * Own and optimise iPaaS solutions * Manage data sychronisation between front-end systems and back-end systems
Robert Half is pleased to be working for a growing manufacturer based in Andover who are expanding their Technology team. We are recruiting for a Systems and Integration Manager to join on a permanent basis. Paying up to £65,000 and will be based based in Andover 4 days a week. As a Systems and Integration specialist you will be the lead on their iPaaS solution and be responsible for scaling up their systems offering! You will play a pivotal role in enabling end-to-end process automation and real-time data flow between their ERP platform, and other internal and external systems. * Lead the architecture, design and implementation of scalable, secure and reliable system integrations between ERP, CRM, WMS systems * Own and optimise iPaaS solutions * Manage data sychronisation between front-end systems and back-end systems
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Central London - Hybrid (two days per week in the office) Salary Up to £80,000 + Bonus - Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Senior HRIS Technical Analyst to join the Global Business Systems division. In this hands-on technical role, you'll serve as a trusted expert on HR systems and a critical support partner to the HR team, with a focus on Workday and its integrations. Your work will ensure smooth system operations, enable greater automation, and play a pivotal role in advancing our HR technology landscape. * Act as the technical subject matter expert for Workday and HR systems * Maintain and enhance system integrations using EIB, Workday Studio, Web Services (REST, SOAP), and related APIs * Provide 2nd and 3rd line support, translating business needs into technical sol
Central London - Hybrid (two days per week in the office) Salary Up to £80,000 + Bonus - Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Senior HRIS Technical Analyst to join the Global Business Systems division. In this hands-on technical role, you'll serve as a trusted expert on HR systems and a critical support partner to the HR team, with a focus on Workday and its integrations. Your work will ensure smooth system operations, enable greater automation, and play a pivotal role in advancing our HR technology landscape. * Act as the technical subject matter expert for Workday and HR systems * Maintain and enhance system integrations using EIB, Workday Studio, Web Services (REST, SOAP), and related APIs * Provide 2nd and 3rd line support, translating business needs into technical sol
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Role: Backend Engineer (NestJS, SaaS, ERP) We're hiring a seasoned backend engineer to lead our platform rebuild You'll collaborate closely with the founder, shaping the product and scaling the tech. What You'll Do * Lead backend dev using NestJS * Design scalable APIs and ERP/accounting tool integrations * Work with AI tools (OpenAI, Vertex AI) * Define architecture and set engineering standards * Mentor junior developers What We're Looking For * Strong NestJS + SaaS backend experience * ERP/accounting integration experience * Solid JavaScript/TypeScript skills * Comfortable owning projects end-to-end * Bonus: Experience with AI APIs and frontend (Next.js/Node.js)
Role: Backend Engineer (NestJS, SaaS, ERP) We're hiring a seasoned backend engineer to lead our platform rebuild You'll collaborate closely with the founder, shaping the product and scaling the tech. What You'll Do * Lead backend dev using NestJS * Design scalable APIs and ERP/accounting tool integrations * Work with AI tools (OpenAI, Vertex AI) * Define architecture and set engineering standards * Mentor junior developers What We're Looking For * Strong NestJS + SaaS backend experience * ERP/accounting integration experience * Solid JavaScript/TypeScript skills * Comfortable owning projects end-to-end * Bonus: Experience with AI APIs and frontend (Next.js/Node.js)
Key Responsibilities * Lead the frontend rebuild of the platform's first major version using React (Next.js) and Node.js. * Work closely with design, backend, and product teams to develop interactive features that simplify complex financial processes. * Develop secure, scalable UI components integrated with backend APIs and third-party systems. * Contribute to the development and upkeep of a modern, component-based design system. * Improve usability and performance across browsers and devices with a focus on speed and polish. * Incorporate user feedback to continuously refine the experience. Requirements * Solid experience building modern web applications with React and Node.js. * Background in SaaS development, ideally within finance, ERP, or construction tech domains. * Strong understanding of RESTful APIs, authentication, and state management (e.g., Redux, React Qu
Key Responsibilities * Lead the frontend rebuild of the platform's first major version using React (Next.js) and Node.js. * Work closely with design, backend, and product teams to develop interactive features that simplify complex financial processes. * Develop secure, scalable UI components integrated with backend APIs and third-party systems. * Contribute to the development and upkeep of a modern, component-based design system. * Improve usability and performance across browsers and devices with a focus on speed and polish. * Incorporate user feedback to continuously refine the experience. Requirements * Solid experience building modern web applications with React and Node.js. * Background in SaaS development, ideally within finance, ERP, or construction tech domains. * Strong understanding of RESTful APIs, authentication, and state management (e.g., Redux, React Qu
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Software Development Team Lead
Software Development Team Lead
Hays
EC1, City of London
£90000.0 - £110000.0 per annum + Competitive + Benefits Package
Programming Languages & Frameworks: TypeScript, Node.js, NestJS (REST API framework), AngularJS (or similar frontend frameworks) * Databases & Data Management: PostgreSQL, PostgREST (RESTful API layer over PostgreSQL)
Programming Languages & Frameworks: TypeScript, Node.js, NestJS (REST API framework), AngularJS (or similar frontend frameworks) * Databases & Data Management: PostgreSQL, PostgREST (RESTful API layer over PostgreSQL)
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5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
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Backend Software Engineer C# .Net - Asset Management
Backend Software Engineer C# .Net - Asset Management
Client Server
The City, EC4
£100000 - £150000 per annum + bonus + benefits
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
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Senior Android Developers - Remote - up to £95K + Package
Senior Android Developers - Remote - up to £95K + Package
Halian Technology Limited
Soho, W1
£95,000 per annum
Rest API Development
Rest API Development
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
GU21, Woking
From £45,000 to £60,000 per annum Salary + Benefits + Bonus
Web API, HTML, CSS, Web Services, JQuery and JavaScript
Web API, HTML, CSS, Web Services, JQuery and JavaScript
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Solid understanding of API development, event-driven architecture, and asynchronous programming
Solid understanding of API development, event-driven architecture, and asynchronous programming
Senior Security Engineer (PurView, Sentinel, Defender)
Senior Security Engineer (PurView, Sentinel, Defender)
Invitise Ltd
WC1A, Central London
Up to £70,000 per annum + Excellent Benefits
PowerShell scripting and use of Microsoft Graph API
PowerShell scripting and use of Microsoft Graph API
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Also, you will be developing application programming interfaces (API's) to support mobile functionality, working with popular operating systems like IOS and Android, considering UI and UX principles when creating applications.
Also, you will be developing application programming interfaces (API's) to support mobile functionality, working with popular operating systems like IOS and Android, considering UI and UX principles when creating applications.
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Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity
Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity
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Experience with API-first design and integration of RegTech tools.
Experience with API-first design and integration of RegTech tools.
Experience with SQL for data validation and API testing tools such as Postman.
Experience with SQL for data validation and API testing tools such as Postman.
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Staff Back End Engineer
Staff Back End Engineer
John Lewis & Partners
SW1V, South West London, SW1V 2QQ
From £75,000 to £92,000 per annum
REST API development and/or consumption.
REST API development and/or consumption.
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3+ years hands-on experience in developing REST services using Web API
3+ years hands-on experience in developing REST services using Web API
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API-savvy, with a side of .NET, JavaScript, and Git-fu
API-savvy, with a side of .NET, JavaScript, and Git-fu
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Enterprise Architect
Enterprise Architect
Cambridge University Press & Assessment
Cambridge, Cambridgeshire
From £70,400 to £94,100 per annum
Familiarity with enterprise integration patterns, API management, and microservices.
Familiarity with enterprise integration patterns, API management, and microservices.
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Strong hands-on experience of the Microsoft AI stack, including Microsoft Copilot, Copilot Studio, Azure AI Foundry, Microsoft Graph API and Copilot within Microsoft 365 applications.
Strong hands-on experience of the Microsoft AI stack, including Microsoft Copilot, Copilot Studio, Azure AI Foundry, Microsoft Graph API and Copilot within Microsoft 365 applications.
Senior Full Stack Engineer React .Net Python
Senior Full Stack Engineer React .Net Python
Client Server
South Kensington, SW7
£100000 - £150000 per annum + bonus + benefits
You have REST API experience
You have REST API experience
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The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
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Full Stack Developer
Full Stack Developer
Rise Technical Recruitment Limited
London
£60000.00 - £70000.00 per annum + + Equity
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
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Full Stack Developer
Full Stack Developer
Rise Technical Recruitment Limited
London
£60000.00 - £70000.00 per annum + + Equity
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
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Full Stack Lead Engineer
Full Stack Lead Engineer
Hunter Selection
Soho, W1
£60000 - £85000 per annum + health insurance life insurance
Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
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