lead react developer jobs in East Sussex

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 platforms from the...

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.

You must be able to demonstrate the technical essential requirements, and be able to talk confidently about your approach. You can read more about who we are on our website https://daysix.

React Native Developer (Tech for Good) (Social Education Learning) Remote Work 3-month Voluntary Work Experience Opportunity London Are you a React Native developer with mobile app experience, and a desire to put your skills toward positive social impact? Want hands-on experience designing and building intuitive mobile interfaces for learners around the world? If yes, this could be the...

Lead Developer London - Hybrid 1/2 days in office £85,000 - £100,000 About Simmer 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. Our mission is simple: make healthy eating effortless. High-protein, great-tasting meals delivered straight to customers’ doors,...

You will lead the technical direction for a squad of developers, ensuring high quality delivery while navigating complex architectural challenges within a high compliance environment.

You will quickly become a vital xbpsjku part of an already successful software team and will be given the opportunity to ...

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...

Software Engineer – PHP & Golang Fully Remote – Within UK PHP / Golang / JavaScript £60,000-£65,000 I’ve recently partnered with a leading Prop-Tech business in London who are looking to add a Software Engineer to their team who specialises in PHP & Golang! The company have seen rapid success over the past 10 years and have built an advanced platform used by their expanding portfolio of...

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 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...

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 make a real impact...

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...

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 everyone well, and...

Job Description Children, Young People & Families Development Worker – Domestic Abuse Services Location: Brighton & Hove Refuge Salary: £26,208 per annum Vacancy Type: Full-time Closing date: 27 January, 2026 ** This post is restricted to female applicants only under the provisions of the Equality Act 2010, Schedule 9, Part 1. The role is based within a female-only domestic abuse refuge,...

Job Description Build New Business with the backing of a national brand If you're a Development Executive who thrives on winning new commercial clients and wants the credibility, insurer access, and support that comes with a national brokerage, this role offers a strong platform to grow your success. Based out of the West Sussex branch, you'll focus purely on new business generation, supported...

Frontend React Engineer Worthing, West Sussex – Hybrid Full time, Permanent Up to £50,000 per year plus various company benefits Join Team Emerald – Shape the Future of Digital Health Are you ready to make a meaningful impact in a fast-paced, collaborative environment? Join Team Emerald, a dynamic group of developers and QA's including Shauni, Sofiat, Lewis, Jothi and Esther, led by our...

Sales & Membership Development RepresentativeLewes, East Sussex A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully.£30,000 base salary + OTE commissionFull-time, PermanentJob SummaryOur client is seeking a confident, motivated and engaging individual to join their team as a Sales & Membership Development...

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).