react js developer jobs in Hemel Hempstead

Job Description We are currently recruiting full stack developers to join a trading technology team at a leading investment firm. This team is responsible for building a new front-office trading platform used directly by traders and quants. These roles are best suited for candidates with experience in full stack development using React and Python and particularly those who have built trading...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

Job Description About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through...

React / Next.js Developer – Contract (Outside IR35) 📍 Location: Remote (UK-based preferred) 📅 Contract Length: 2 months 💼 Contract Type: Outside IR35 💰 Rate: £300 per day 🚀 Start: ASAP Overview We’re looking for an experienced React / Next.js Developer to join us on a short-term contract to help deliver and enhance a modern, high-performance web application. You’ll be working closely with...

Job Description About Us: We're a forward-thinking technology company building innovative web solutions using modern development practices. Our team values continuous learning, collaboration, and cutting-edge technology to create exceptional digital experiences. Position Summary: We're seeking an enthusiastic Entry-Level JavaScript Developer to join our dynamic team on a contract basis. This is...

Job Description UX/UI + Frontend Developer Thursday Salary: £40-£50K Thursday is a singles IRL events company that organises singles events, trips, dinners, activities, education and media. We're building technology to scale our operations and enhance the experience for our members. We value equality and inclusion as core principles - our diverse audience deserves technology that serves...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

Job Description C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can...

You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next. js-based codebase (including a CMS). This is a great opportunity for the right person to take on a challenging and broad role. Homeflow is operating on a fully remote basis but occasional travel will be required for our company meet ups (bi-annually at most in the UK).

Lead Developer London - Hybrid 1/2 days in office £We're Simmer Eats, one of Europe's fastest-growing food brands. We've grown 10x in the last year, and we're building the next phase of scale on a modern commerce and technology stack. High-protein, great-tasting meals delivered straight to customers' doors, powered by technology that actually scales. If you're a commercially minded, hands-on Full...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) We’re looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true early-stage start-up, the kind where there’s no QA team, no DevOps team, no predefined frameworks, no hand-holding ,...

Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year for two consecutive years and awarded Best Specialist Technology Service at the Professional Adviser Awards...

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

Job Description Software Development Engineer III Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? To shape the future of travel, people must come...

Job Description Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We’re looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands on role where you’ll work across the stack, leading frontend development...

Job Description About Us We are a fast-growing fintech company building modern, scalable platforms that power real-world financial products. Our engineering culture values clean architecture, strong ownership, and pragmatic innovation. We operate in a cloud-native, microservices environment and invest heavily in frontend quality, design systems, and developer experience. The Role As a Lead...

You will work closely with developers on Next.

We’re United Repair Centre (URC), and we’re on a mission to reshape the clothing industry by extending the life of clothing while putting people first. Our scalable repair approach and platform serves global brands, cuts textile waste, and puts craftsmanship and impact at the heart of the clothing industry, while creating meaningful jobs for people distanced from the labor market. We are now...

Job Description Market Design Lead – Switching & Registration Who Are RECCo? We are an independent, non-profit organisation responsible for the Retail Energy Code — a key part of how the GB retail energy market is regulated. But we don’t just manage rules. We look ahead, not just react, helping the market change in the right way. We deliver secure digital services, clear governance, and...

Job Description Engineering Technician- Level 3+ Ocado Logistics - Tamworth Permanent- Competitive Salary on offer Why Ocado? Here at Ocado Logistics, it’s our mission to provide an outstanding customer experience for our partners, developing groundbreaking technology, opening multiple sites at an accelerating rate and engaging in exciting new business partnerships around the world -...