Senior Fullstack Developer React Nodejs jobs in Westminster

Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP \*note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35) Deloitte Working with the Deloitt

Funding Loop is an established and fast-growing software company specialising in streamlining the Early Years funding process for nurseries and Early Years settings across England. Following a period of significant growth, we are expanding our team and are looking for a motivated Senior Developer to

About The Company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build

About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build

Deloitte

Basic information Location London Business Line Technology & Transformation Job Type Contract Date published 02-Apr-2026 Req # 22950 Job description Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11

About Legend At Legend, we're building next-level player experiences. With 20+ years of proven success we’re the world's leading Sports and Gaming marketing company. Our people are our edge. 600+ sharp, ambitious Legends across 22+ countries who move fast, learn quickly and win together. Here growth

Fullstack Software Developer with C# Asp.net Our Client is an established is a recognised leader with a widely used commercial software in the financial markets. They are now looking for additional personnel to join the software development team with extensive proven expertise in developing software

### About Winton Winton is a research-based investment management company with a specialist focus on statistical and mathematical inference in financial markets. The firm researches and trades quantitative investment strategies, which are implemented systematically via thousands of securities, spann

Meteor Asset Management are building a new digital capability to support and scale their investment and research platforms. We’re looking for an experienced Lead Full-Stack Developer to take ownership of technical direction, mentor a growing team, and deliver secure, high-quality software across our

About Legend At Legend, we're building next-level player experiences. With 20+ years of proven success we’re the world's leading Sports and Gaming marketing company. Our people are our edge. 600+ sharp, ambitious Legends across 22+ countries who move fast, learn quickly and win together. Here growth

Referment is working with a highly regarded boutique asset management firm to hire a mid-level Software Developer to join a small, high-impact technology team. This role is ideal for a developer with 3–5 years' experience who enjoys building real production systems, working closely with the business

About Legend At Legend, we're building next-level player experiences. With 20+ years of proven success we’re the world's leading Sports and Gaming marketing company. Our people are our edge. 600+ sharp, ambitious Legends across 22+ countries who move fast, learn quickly and win together. Here growth

About Us Creator marketing is the fastest-growing channel in advertising, but it remains slow, hard to scale, and lacks predictable ROI. ONE K UK is fixing this. We are a pre-seed stage platform connecting brands and agencies with thousands of pre-vetted creators for native short-form video. We are

FlavorScale

FlavorScale is seeking a Full-Stack Developer Intern to help us build the most seamless discovery platform in the industry. While others are talking about the "future of food," you are the one actually coding it. This is a high-ownership role where you won’t just be fixing bugs—you’ll be building fe

JavaScript Engineers | Build the Future of Global Payments (Tech For Good) | Full Stack | £150K + Equity | Node.js / TypeScript / React.js | 5 Days Per Week London I am looking for an exceptional engineer to take ownership of a mission-critical payments platform, powering real-time money movement fo

Softwire

Senior Full Stack Developer - Outside IR35 - Contract - Current SC Essential We are looking for a senior full-stack developer to join our team, working collaboratively in a fast-paced environment with some ambiguity. This is a senior dev role with a focus on supporting more junior members of the tea

JavaScript Engineers | Build the Future of Global Payments (Tech For Good) | Full Stack | £150K + Equity | Node.js / TypeScript / React.js | 5 Days Per Week London I am looking for an exceptional engineer to take ownership of a mission-critical payments platform, powering real-time money movement fo

Goodman Masson

£80,000 - £100,000 /year

Meteor Asset Management are building a new digital capability to support and scale their investment and research platforms. We're looking for an experienced Lead Full-Stack Developer to take ownership of technical direction, mentor a growing team, and deliver secure, high-quality software across our

Mid & Senior JavaScript Engineers | Green Tech & AI | Full Stack | React.js / Node.js / TypeScript | London 2 Days Per Week | £50K - £120K + Healthy Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission i

Junior Angular / Full Stack Developer Front Office Equities Technology 📍 London (Hybrid) 🏦 European Investment Bank Overview We are partnering with a leading European Investment Bank to hire a junior level Angular / Full Stack Developer into their Front Office Equities Technology team. This role s