Web Application Developer

TypeScriptBuild high-quality, responsive, and visually polished UI componentsTranslate UI/UX designs into functional and engaging interfacesDesign and develop RESTful APIs and backend servicesImplement and maintain CI/CD pipelines for efficient and reliable deploymentsWork across both frontend and backend systems to deliver complete solutionsCollaborate with internal teams, stakeholders, and product owners to understand requirements and deliver solutionsSuggest and implement new ideas, improvements, and technical solutions to enhance product quality and performanceOptimize applications for performance, scalability, and securityParticipate in code reviews and maintain best development practicesRequirements:3-5 years of proven experience as a Full Stack Software Developer or MERN Stack Developertrong proficiency in React.Js, Node.Js, MongoDB, and Express.JsTypeScript experience is requiredStrong UI development expertise with the ability to build polished and responsive interfacesExperience, Frontend EngineerEngineering | London (Hybrid)We're partnering with a global fintech platform building modern infrastructure for digital payments, on-chain banking and investment services. The business operates across 140+ countries, integrates with 30+ trading venues to...

with CI/CD pipelines and modern deployment workflowsMust have worked on live/production projects and be able to demonstrate real-world application experienceExperience writing and maintaining automated tests (unit, integration, or end-to-end) using modern testing frameworks such as Jest, React Testing Library, Cypress, or similar to ensure code quality and reliability.Good understanding of REST APIs, Git, and modern development practicesStrong problem-solving skills and attention to detailAbility to work independently and collaboratively in a team environmentA degree in Computer Science, Software Engineering, or a related STEM field is a plusNice to Have:Experience with Next.JsFamiliarity with Tailwind CSS or modern CSS frameworksExperience with cloud platforms such as AWS, Azure, or similarWhat We Offer:Market competitive salary25 days annual leave + UK bank holidaysFlexible / hybrid working optionsCompany pension schemeLearning & development support (courses, certifications)Modern, Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you'll play a key role in..., Senior Product/Frontend Software Engineering PositionSummaryTotal comp: £175k-£200k (inc. Equity)Hybrid working policy: Mandatory minimum three days a week in our Waterloo officeExperience level: At least five years in commercial software engineering About...

Team: FrontendLocation: London (On-site; Liverpool Street)Employment Type: Full-time and PermanentRemuneration: £90-120k Base Salary + Discretionary Bonus + EquityZettafleet is an end-to-end platform for businesses and organisations to train their own LLM on their..., Senior Front End Engineer - React / Next.Js £140,000-£200,000 Base + Serious equityRare chance to join a very early stage AI platform that has just raised an unusually large Series A of close to $100 Million from tier one fintech and technology investors.The company is..., Senior Software EngineerKey Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United KingdomPerm Role: £80,000 - £120,000Harrington Starr has partnered with a Global Commodities Brokerage and they are looking for a Senior C#, .NET Software...

We're Hiring: Full Stack Software Developer (MERN) - 3-5 Years ExperienceCompany: Genesis CodeLocation: London, England, United KingdomExperience: 3-5 YearsEmployment Type: Full-TimeSalary: Market CompetitiveAbout Genesis CodeGenesis Code is a modern software development company focused on building scalable, high-quality digital products and web applications. We specialize in delivering innovative solutions using modern technologies and best engineering practices.Our team works with cutting-edge technologies including the MERN stack, TypeScript, cloud platforms, and modern DevOps practices to create reliable, high-performance applications. At Genesis Code, we value clean architecture, strong UI/UX, and scalable systems while fostering a collaborative environment where developers can grow, innovate, and contribute new ideas.Key Responsibilities:Develop and maintain modern web applications using MongoDB, Express.Js, React.Js, and Node.JsWrite clean, maintainable, and scalable code using, Full Stack EngineerLondon / Hybrid | 4 Days OnsiteFTC £70,000 - £85,000Harrington Starr has partnered with a leading financial services firm who are undergoing a major transformation of its internal technology landscape, modernising a suite of business-critical applications..., HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major..., Contract: Lead Full-Stack JavaScript Developer +Contentful CMS - FTSE100 Investment Manager Day Rate: £685 via Umbrella EngagementWorking Arrangement: RemoteOur client is a leading UK investment company managing assets on behalf of over 1.8 million investors.Their website..., About Medly AIWe're the fastest growing EdTech startup in London, on a mission to change education forever.We're living through a once-in-a-generation moment where AI-native companies are redefining entire industries - Cursor for code, Midjourney for image gen, Harvey for..., About the CompanyAt AudienceProject, we're on a mission to bring transparency and certainty to advertising measurement. We empower brands, agencies, and publishers across the globe with tools to measure, target, and optimize their ad campaigns with unparalleled accuracy. We..., Frontend Engineer - Fintech SaaSLocation - Central London Hybrid 1 day a week in the officeTech stack - React, Typescript, Tailwind, MobXNeulinx is partnering with a growing fintech SaaS startup who are looking to hire a mid level Frontend Developer.Our client is...