lead react developer jobs in Sheffield

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...

Job Description: Do you have the right skills and experience for this role Read on to find out, and make your application. Lead Software Developer (Node.js/TypeScript) Role: Lead Software Developer (Consultancy) Rate: £550 per day (Inside IR35) Duration: 6 Months Location: Hybrid / Remote (UK Based) The Opportunity We are looking for a high caliber Lead Software Developer to join a critical...

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...

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

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...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all teams we...

Role Overview: We are seeking a dynamic and experienced Software Development Team Leader to lead our talented team in delivering top-notch solutions to our clients. As a key player in our organization, you will blend hands-on development with leadership responsibilities, ensuring a collaborative and innovative environment. Key Responsibilities: Leadership: * Inspire a culture of creativity,...

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...

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...

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...

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 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,...

Business Development Manager – Logistics / Transport / Freight Forwarding £40,000 Basic + BMW Company Car + Quarterly Bonus (8% of Annual Salary) Have you got what it takes to succeed The following information should be read carefully by all candidates. Field-Based – UK & Europe *You can be based anywhere in the UK to be considered for this role* Interaction Recruitment are proud to be...

Business Central Development Team Lead (Business Central, Dynamics 365, BC, NAV, Microsoft Partner) - Lead a high-performing, collaborative team at a top Microsoft Partner! A Business Central Development Team Lead (Business Central, Dynamics 365, BC, NAV, Microsoft Partner) is required by a leading Microsoft Solutions Partner the role is 80% hands on BC development. In a thriving Professional...

Sales Development Representative (SDR) – Finance SaaS Base Salary: £35,000 - £40,000 | OTE up to £55,000 Fully Remote | UK Our client, a rapidly growing and innovative Finance Software provider, is looking for a driven Sales Development Representative (SDR) to join their team. This is a fantastic opportunity to work in the thriving SaaS industry, targeting mid-market and enterprise...

You will own new business opportunities, lead client relationships, and ensure our learning solutions are aligned to client objectives. This role is ideal for someone who enjoys being both commercially focused and strategically consultative, bridging the gap between client needs and our delivery teams.