51 to 75 of 106 Senior React Developer Jobs

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong … full-stack development and play a key role in enhancing their trading platforms. C#.NET is the core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer ...

Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and currently expanding their team … + bonus + benefits 📍Located in London City, St Paul's, with 3 days per week from the office 🧑React.Js, React Hooks, TypeScript Responsibilities of the Senior Frontend Engineer (React.js): Designing, coding, and testing all components of modern web applications. Contribute to the overall architecture ...

Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and currently expanding their team … + bonus + benefits 📍Located in London City, St Paul's, with 3 days per week from the office 🧑React.Js, React Hooks, TypeScript Responsibilities of the Senior Frontend Engineer (React.js): Designing, coding, and testing all components of modern web applications. Contribute to the overall architecture ...

Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and currently expanding their team … + bonus + benefits Located in London City, St Paul's, with 3 days per week from the office React.Js, React Hooks, TypeScript Responsibilities of the Senior Frontend Engineer (React.js): Designing, coding, and testing all components of modern web applications. Contribute to the overall architecture ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking … Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape ...

Senior Full-Stack Developer (React/Next.js + Node.js) Typical UK Salary: £65,000 – £95,000 per year (UK market) Fantastic opportunity to join a well established expanding company with a vision ! Key Responsibilities: • Lead development of the main portal front … across the platform. • Work closely with designers and other engineers to deliver features. • Help establish coding standards, structure, and architecture. Required Skills: • Expert-level React/Next.js and TypeScript. • Strong Node.js and REST API development. • Experience with microservices architecture. • Familiarity with AWS services (Lambda, API Gateway, S3). • Understanding ...

Senior C# & React Full Stack Developer – Front Office Trading (Energy Team) £140,000 + Strong Bonus | Hybrid (London) A London-based Hedge Fund is seeking a Senior Full Stack Developer (C#, React) to join their Energy … requirements into robust solutions. Contribute to CI/CD pipelines, DevOps practices, and agile delivery. Required Experience 6+ years building event-driven UIs with React/TypeScript. 6+ years developing back-end services in C#. Strong database knowledge (SQL Server, MongoDB, Postgres). Proven exposure to front-office environments ...

Senior C# & React Full Stack Developer – Front Office Trading (Energy Team) £140,000 + Strong Bonus | Hybrid (London) A London-based Hedge Fund is seeking a Senior Full Stack Developer (C#, React) to join their Energy … requirements into robust solutions. Contribute to CI/CD pipelines, DevOps practices, and agile delivery. Required Experience 6+ years building event-driven UIs with React/TypeScript. 6+ years developing back-end services in C# . Strong database knowledge (SQL Server, MongoDB, Postgres). Proven exposure to front-office ...

Senior/Lead Hands on Full Stack Developer - React/Python London Hybrid (4days in the office and 1 day from home) £110,000+ Equity Full-Time Start-up We're a high-growth start-up building a leading healthcare! Looking … Full Stack developer who loves working across the stack - React on the front end, Python on the back end click apply for full job details ...

test-driven approach. You will be part of a team that drives the use of technology to achieve clean and readable code with Node.js, React, Typescript, and Microservices. This is a fully remote position with great flexibility. Requirements 5+ years of experience as a fullstack developer Well-versed in Node.js, React/React Hooks, MySQL, and Redis Experience with microservice architecture Basic understanding of PHP Ability to multitask and work as part of a cross-functional team What we offer Competitive salary between $20 - $30 Long-term, full-time commitment Flexible ...

months IR35 Status: Outside IR35 Location: Edinburgh (On-site 1–2 days per week required) £600-£650pd We are seeking an experienced Lead React Native Developer to take a senior leadership role across multiple development squads working on a mobile application focused … each consisting of 4–6 developers plus a QA. Provide technical leadership, mentorship, and support to ensure high-quality delivery. Drive best practices in React Native development, architecture, and performance optimisation. Collaborate closely with product, design, and technical stakeholders to align on requirements and deliverables. Ensure efficient team workflows ...

months IR35 Status: Outside IR35 Location: Edinburgh (On-site 1–2 days per week required) £600-£650pd We are seeking an experienced Lead React Native Developer to take a senior leadership role across multiple development squads working on a mobile application focused … each consisting of 4–6 developers plus a QA. Provide technical leadership, mentorship, and support to ensure high-quality delivery. Drive best practices in React Native development, architecture, and performance optimisation. Collaborate closely with product, design, and technical stakeholders to align on requirements and deliverables. Ensure efficient team workflows ...

months IR35 Status: Outside IR35 Location: Edinburgh (On-site 1–2 days per week required) £600-£650pd We are seeking an experienced Lead React Native Developer to take a senior leadership role across multiple development squads working on a mobile application focused … each consisting of 4–6 developers plus a QA. Provide technical leadership, mentorship, and support to ensure high-quality delivery. Drive best practices in React Native development, architecture, and performance optimisation. Collaborate closely with product, design, and technical stakeholders to align on requirements and deliverables. Ensure efficient team workflows ...

Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript, React - Global Outstanding opportunity to join this global enterprise and famous brand within the ‘magic circle’ of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly … Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both ...

Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript, React - Global Outstanding opportunity to join this global enterprise and famous brand within the ‘magic circle’ of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly … Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...