lead react developer jobs in Berkhamsted

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.

🚀 Senior Full-Stack Engineer – TypeScript / React / AWS 💰 Up to £80k | Fully Remote (UK) 💻 Tech Stack: TypeScript, Node.js, React.js, AWS ✅ Slight backend lean We’re on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn’t R&D or proof-of-concept work, they’re shipping cloud-native, AI-enabled products that customers actually...

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator-first, AI-powered product that enables creators around the world to directly monetise their audiences. Every system you build will operate at serious global scale. 🎯...

Job Description: Lead Mechanical Operator Mars Snacking | Slough 📍 Shape the Future with Mars! 🌍 This is an exciting opportunity to join the Mars Wrigley factory in Slough. We are seeking Mechanical minded individuals who hold a passion for maintenance. Whether your experience is maintenance of ships, cars, tanks, lifts, generators, or similar mechanical industries, your practical mechanical...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

You will help us test several ideas/hypotheses by: - Launching initial outreach to relevant brands/agencies from your own network - Running intro / discovery calls with interested decision-makers - Collecting honest feedback and market signals - Structuring insights into clear, actionable recommendations

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).

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 the increasingly...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

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 Fullstack Engineer,...

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 practical solutions...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

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...

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

About the Role: We’re seeking an experienced Business Development Executive to promote leading-edge printing and document management systems. You’ll help businesses transform how they print while building a rewarding revenue stream for yourself. Perks & Benefits: - Earn 75% on every sale, plus 50% profit share on all recurring service contracts. - Total flexibility—set your hours and work...

Paragon Social Cre is a specialist children’s social care provider, committed to delivering outstanding outcomes for young people in safe, nurturing environments. We work in close partnership with local authorities to provide placements that prioritise stability, safeguarding, and individualised care. We are seeking an experienced and motivated Business Development Manager to play a pivotal role...

Enterprise Business Development Representative Location: Remote (UK) Salary: £35,000–£40,000 base + £15,000 OTE We’re working with a fast-growing SaaS company focused exclusively on the insurance industry. Their AI-powered automation platform helps insurers streamline complex workflows across claims and policy servicing, reducing manual effort while improving speed, accuracy, and customer...

Want to take your sales career to the next level? Look no further than memoryBlue, the fastest-growing sales development company in B2B tech. With clear pathways to help you climb the ladder and plenty of opportunities for growth, we offer careers, not just jobs. In fact, we promoted 50 team members in just an 18-month timeframe. Want to take your sales career to the next level? Look no further...

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

IMPORTANT: For this role you must be based in the UK and hold the Right to Work in the UK. Want to take your sales career to the next level? Look no further than memoryBlue, the fastest-growing sales development company in B2B tech. With clear pathways to help you climb the ladder and plenty of opportunities for growth, we offer careers, not just jobs. In fact, we promoted 50 team members in...