react js developer jobs in Southampton

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...

This is the kind of role where your work matters. As a Full Stack Developer, youll be helping to build a greenfield enterprise platform powering real-world IoT and telemetry systems used across critical utility environments. Its hands-on, technically challenging, and built to scale, not legacy maintenance or minor tweaks. Whats in it for you Opportunity to build a brand-new enterprise platform...

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...

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.

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. We're seeking an enthusiastic Entry-Level JavaScript Developer to join our dynamic team on a contract basis. This is an excellent opportunity for recent...

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...

Lead Software EngineerStealth AI Fintech Startup | London | Hybrid (3 days on-site)We’re hiring on behalf of an innovative Fintech startup that is building an AI-driven platform that’s rethinking how investors analyse, access, and manage alternative assets (e.g. private equity, private credit and other private markets).They've built there MVP, raised funding from experienced fintech founders and...

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 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).

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 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 -...

Job Description Risk Manager Location: Glasgow (hybrid) Contract Type: Permanent Start Date: To Be Confirmed Salary: Competitive Join Altrad – Shaping the Future of Critical Infrastructure! We are the leading provider of infrastructure services. At Altrad, we transform our nation’s critical infrastructure to operate safely and sustainably. With over 11,000 talented people, we provide the...

Job Description SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile,...

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...

This is the kind of role where your work matters. As a Full Stack Developer, youll be helping to build a greenfield enterprise platform powering real-world IoT and telemetry systems used across critical utility environments. Its hands-on, technically challenging, and built to scale, not legacy maintenance or minor tweaks. - Whats in it for you - Opportunity to build a brand-new enterprise...

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...