22 of 22 RESTful Jobs in Hertfordshire

Full Stack Engineer

Hiring Organisation
Propel
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
mindset to work autonomously is key. Key Responsibilities: • Designing and building back-end services in Python • Developing scalable micro-services • Building and consuming RESTful APIs (FastAPI) • Working with relational and NoSQL databases • Supporting React frontend development (initially) • Collaborating closely with product, frontend, and DevOps • Writing clean, maintainable code and contributing ...

Full Stack Engineer

Hiring Organisation
Propel
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
mindset to work autonomously is key. Key Responsibilities: • Designing and building back-end services in Python • Developing scalable micro-services • Building and consuming RESTful APIs (FastAPI) • Working with relational and NoSQL databases • Supporting React frontend development (initially) • Collaborating closely with product, frontend, and DevOps • Writing clean, maintainable code and contributing ...

Full Stack Engineer

Hiring Organisation
Propel
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
mindset to work autonomously is key. Key Responsibilities: • Designing and building back-end services in Python • Developing scalable micro-services • Building and consuming RESTful APIs (FastAPI) • Working with relational and NoSQL databases • Supporting React frontend development (initially) • Collaborating closely with product, frontend, and DevOps • Writing clean, maintainable code and contributing ...

Senior Backend Engineer TypeScript

Hiring Organisation
Client Server
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
backend software engineering experience with TypeScript and Node.js You have experience with Kafka and Event Driven Architectures You have a good knowledge of microservices, RESTful APIs and scalable system architecture You have experience of working with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB) You have a strong appreciation ...

Senior Backend Engineer TypeScript

Hiring Organisation
Client Server
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
backend software engineering experience with TypeScript and Node.js You have experience with Kafka and Event Driven Architectures You have a good knowledge of microservices, RESTful APIs and scalable system architecture You have experience of working with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB) You have a strong appreciation ...

Senior Backend Engineer TypeScript

Hiring Organisation
Client Server
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
backend software engineering experience with TypeScript and Node.js You have experience with Kafka and Event Driven Architectures You have a good knowledge of microservices, RESTful APIs and scalable system architecture You have experience of working with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB) You have a strong appreciation ...

Hybrid Senior QA Engineer

Hiring Organisation
Veridox
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
specifically using Playwright with TypeScript/JavaScript. You must have experience building frameworks, not just running existing scripts. API Testing Mastery: Strong experience testing RESTful (or GraphQL) APIs. You don't just check for a 200 OK status; you validate the JSON payload structure, data types, and logic. The "Hybrid ...

Hybrid Senior QA Engineer

Hiring Organisation
Veridox
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
specifically using Playwright with TypeScript/JavaScript. You must have experience building frameworks, not just running existing scripts. API Testing Mastery: Strong experience testing RESTful (or GraphQL) APIs. You don't just check for a 200 OK status; you validate the JSON payload structure, data types, and logic. The "Hybrid ...

Hybrid Senior QA Engineer

Hiring Organisation
Veridox
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
specifically using Playwright with TypeScript/JavaScript. You must have experience building frameworks, not just running existing scripts. API Testing Mastery: Strong experience testing RESTful (or GraphQL) APIs. You don't just check for a 200 OK status; you validate the JSON payload structure, data types, and logic. The "Hybrid ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet client goals by building AI agentic workflows, advanced ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet client goals by building AI agentic workflows, advanced ...

Scala Developer

Hiring Organisation
Stealth iT Consulting
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
cross‐functional teams to deliver enterprise‐grade solutions. 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 well-structured, idiomatic Scala and use functional programming patterns where appropriate. Build ...

Scala Developer

Hiring Organisation
Stealth iT Consulting
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
cross‐functional teams to deliver enterprise‐grade solutions. 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 well-structured, idiomatic Scala and use functional programming patterns where appropriate. Build ...

Scala Developer

Hiring Organisation
Stealth iT Consulting
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
cross‐functional teams to deliver enterprise‐grade solutions. 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 well-structured, idiomatic Scala and use functional programming patterns where appropriate. Build ...

PHP Developer

Hiring Organisation
Connect Fibre
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
WordPress and WooCommerce sites, including working with and customising plugins. Background in integration and automation between business systems, ideally involving HubSpot CRM. Familiarity with RESTful APIs, webhooks, and data formats such as JSON and XML. Good understanding of relational databases and version control systems (for example, Git). Ability ...

PHP Developer

Hiring Organisation
Connect Fibre
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
WordPress and WooCommerce sites, including working with and customising plugins. Background in integration and automation between business systems, ideally involving HubSpot CRM. Familiarity with RESTful APIs, webhooks, and data formats such as JSON and XML. Good understanding of relational databases and version control systems (for example, Git). Ability ...

Frontend Developer

Hiring Organisation
Akkodis
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Develop scalable and reusable React.js components using TypeScript. Translate UX/UI designs into responsive and accessible web interfaces. Integrate front-end applications with RESTful and GraphQL APIs. Implement secure authentication, session management, and data handling. Optimise applications for performance, accessibility, and cross-browser compatibility. Maintain consistent styling using frameworks … emerging front-end technologies and best practices. Required Experience 3+ years' experience building front-end applications using React.js and TypeScript. Proven experience integrating with RESTful APIs and managing asynchronous data. Background in front-end delivery for cloud-hosted or enterprise-scale applications. Working within Agile delivery environments. Deploying applications through ...

Frontend Developer

Hiring Organisation
Akkodis
Location
Stevenage, England, United Kingdom
Develop scalable and reusable React.js components using TypeScript. Translate UX/UI designs into responsive and accessible web interfaces. Integrate front-end applications with RESTful and GraphQL APIs. Implement secure authentication, session management, and data handling. Optimise applications for performance, accessibility, and cross-browser compatibility. Maintain consistent styling using frameworks … emerging front-end technologies and best practices. Required Experience 3+ years’ experience building front-end applications using React.js and TypeScript. Proven experience integrating with RESTful APIs and managing asynchronous data. Background in front-end delivery for cloud-hosted or enterprise-scale applications. Working within Agile delivery environments. Deploying applications through ...

.NET Developer

Hiring Organisation
Noir
Location
Bishop's Stortford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £65,000 per annum
10.0 - Social Networking Site - Bishop's Stortford (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have ambitions … training per year and exposure to cutting edge technologies such as: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: Bishop's Stortford, Hertfordshire, UK/ ...

.NET Developer – St Albans

Hiring Organisation
Noir
Location
St Albans, England, United Kingdom
Growing Social Media Firm – St Albans, Hertfordshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover, view and share content … development principles. Our client can provide you with industry recognized training in: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Bootstrap and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere and anyone. From ...

.NET Developer

Hiring Organisation
Noir
Location
Hatfield, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
10.0, C# 14 - Digital Download Site - Hatfield (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major player within … Azure SQL. You will be trained in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months. Our client offers ...

.NET Developer

Hiring Organisation
Noir
Location
Hertford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
Developer, .NET 9, C# - Global Record Label - Hertford (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce that our client … .NET Core, C# and Azure SQL. Our client can provide training into: .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Solid, DRY, LINQ and MongoDB. My client offers flexible working hours, home working and amazing offices (onsite cinema ...