26 to 42 of 42 React Jobs in Hertfordshire

Software Engineer

Hiring Organisation
Digital Waffle
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
annum Location: Fully Remote (UK-based) What you'll be doing: Design, build, and optimise scalable software using Node.js, TypeScript, React, AWS Lambda, Step Functions, DynamoDB Contribute to architecture discussions and ensure solutions are secure, cloud-native, and maintainable Use AI-assisted tooling to speed up development, testing, and debugging … ensure technical alignment across the platform What you'll need: Strong full stack experience with a backend-first mindset Expertise in Node.js, TypeScript, React, and modern cloud engineering Hands-on experience with AWS serverless, particularly Lambda, Step Functions, DynamoDB Solid understanding of scalable architecture and performance optimisation Experience in scale ...

Full Stack Engineer (JavaScript) - Early-Stage Tech Start-Up

Hiring Organisation
Urban Digital Recruitment Ltd
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
real engineering problems in lean environments, this is it. What You'll Do Full Stack Development: Ship features across backend (majority) and front end (React/Next.js). Hands-On Problem Solving: Own complex engineering challenges end-to-end in an environment with limited process and support. Integrations: Build … process—because you've done it before. Are comfortable taking responsibility for deployments, testing, reliability, debugging, and performance. Have strong experience with: Node.js, Express.js React/Next.js (or similar) PostgreSQL/SQL Firestore GCP & Firebase Thrive in fast-paced, ambiguous, high-ownership environments. Bonus: Experience in hospitality tech or fintech. ...

Senior Developer (Fully Remote - ECommerce Agency)

Hiring Organisation
Battalion
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
market and our rapidly expanding team, you will have the opportunity to work on a wide range of projects, including fully custom WordPress websites, React websites with Express JS and more. Comprehensive training will be provided. This presents an outstanding opportunity to advance your career and broaden your knowledge across … problem-solving skills paired with meticulous attention to detail. Outstanding communication and teamwork abilities to facilitate effective collaboration. Additional experience with PHP, Blade, WordPress, React JS, Next JS, and Express JS is a plus but not mandatory. Opportunities/Benefits: Opportunities for career growth and development A collaborative and creative ...

.NET Developer – St Albans

Hiring Organisation
Noir
Location
St Albans, England, United Kingdom
Developer - Fastest 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 … object orientated (OO) 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 ...

.NET Developer

Hiring Organisation
Noir
Location
Bishop's Stortford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £65,000 per annum
Developer, .NET 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 … dedicated technical 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 ...

.NET Developer

Hiring Organisation
Noir
Location
Hatfield, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
Developer, .NET 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 … Core, C# and 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. ...

.NET Developer

Hiring Organisation
Noir
Location
Childwickbury, St. Albans, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £75,000 per annum
.NET Developer - Harpenden (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) After 15 years' experience in the fashion industry, our client has a mission to change the way people … experience of: .NET, .NET Core, C# and Azure SQL. There are opportunities for training into technologies such as: .NET 10.0, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Solid, DRY, LINQ and MongoDB. Their benefits include the following: Bonus (10-15%). Share options. ...

Senior Software Engineer

Hiring Organisation
Aveni
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Your work will focus on: Designing and implementing robust event-driven microservices and APIs Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Integrating LLM-powered capabilities into real-world workflows Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features … What you'll be working with You should be comfortable with most of our core technologies: Node.js and TypeScript React and modern front-end tooling AWS (e.g., Lambda, ECS/Fargate, API Gateway, SQS/SNS, DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures ...

Full Stack Engineer

Hiring Organisation
Morson Edge
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
engaging user interfaces. You will contribute to evolving the architecture, tools, and processes as the company grows, working with modern technologies such as Node.js, React, GraphQL, and Postgres. This is an excellent opportunity to be part of an ambitious roadmap and deliver value quickly in an agile environment. What … teams to develop new features across the full stack Build and maintain performant, secure backend services using Node.js and GraphQL Develop user interfaces with React.js and modern front-end practices Write clean, maintainable, and well-tested code Participate in code reviews, team discussions, and agile ceremonies Help improve and evolve ...

Full Stack Engineer

Hiring Organisation
Prism Digital
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Full Stack Engineer | TypeScript, React, SQL Server, Azure | Innovation Projects Staff Engineer/Principal Engineer/Full Stack Engineer Day rate: £550–£600/day (Outside IR35) Remote Working (UK) Contract: 6 months (likely extension) The Role You will join a new innovation function that operates as the technical strikeforce … thrive in problem spaces that aren't fully defined yet. What They're Looking For (Non-Negotiables): TypeScript (strong commercial experience) React or similar modern frontend framework Backend engineering skills with Node.js/TypeScript Strong SQL skills & RDBMS experience (SQL Server preferred) ORM experience (Prisma, Sequelize, TypeORM, or similar) Full ...

Senior Software Developer

Hiring Organisation
PostGrid
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address ...

Senior Software Developer

Hiring Organisation
PostGrid
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address ...

Senior Full Stack Engineer

Hiring Organisation
Levy Global
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
strong plus) Strong backend experience with TypeScript and NestJS, including REST and GraphQL APIs Experience designing and building complex, data-heavy UIs using React (Next.js and Chakra UI are a plus) Hands-on experience with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Take ownership … forward Care about quality, performance, and continuous improvement Tech you'll work with Backend: TypeScript, NestJS, Sequelize, REST APIs, GraphQL, MySQL, NoSQL, Kafka Frontend: React, Next.js, TypeScript, Chakra UI, React Query, GraphQL Design: Figma (working from detailed designs and complex business requirements) Nice to have Experience with AWS and Kubernetes ...

Frontend Developer

Hiring Organisation
Few&Far
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Senior/Mid Frontend Engineer (React.js & TypeScript) 1 Day in office London - Open for fully remote but London based • £80,000 – £100,000 We're partnering with a small, research-driven AI startup (≈15 people) founded by leading engineers from major tech companies. Their mission is to make advanced … engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React and TypeScript. Contribute to front-end architecture, tooling, and best practices. Help shape new product experiences that make AI capabilities simple and usable. What ...

Frontend Developer

Hiring Organisation
Few&Far
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Senior/Mid Frontend Engineer (React.js & TypeScript) 1 Day in office London - Open for fully remote but London based • £80,000 – £100,000 We're partnering with a small, research-driven AI startup (≈15 people) founded by leading engineers from major tech companies. Their mission is to make advanced … engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React and TypeScript. Contribute to front-end architecture, tooling, and best practices. Help shape new product experiences that make AI capabilities simple and usable. What ...

Senior Frontend Developer (Nextjs)

Hiring Organisation
Homeflow
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next.js … retros and team discussions We're looking for someone who has 5+ years' experience in front end web development Strong competency with TypeScript, React and Next.js Strong problem solving and debugging ability Good understanding of performance, optimisation and best practices; particularly in React A passion for web development - someone ...

Senior Frontend Developer (Nextjs)

Hiring Organisation
Homeflow
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next.js … retros and team discussions We're looking for someone who has 5+ years' experience in front end web development Strong competency with TypeScript, React and Next.js Strong problem solving and debugging ability Good understanding of performance, optimisation and best practices; particularly in React A passion for web development - someone ...