React jobs in Westminster

About hyperexponential (hx) At hyperexponential, we’re building the AI-powered platform that enables the world’s most critical decisions in a $7 trillion industry, which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch

JOB DESCRIPTION We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase UK, to revolutionize mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quic

Lead Software Engineer / Developer (Ruby TypeScript React) London / Remote to £130k Are you a polyglot Software Engineer with Developer Experience, API / SDK development skills? You could be joining a highly regarded provider of serverless real-time infrastructure for the Internet that processes bil

JPMorgan Chase & Co.

Senior Lead Software Engineer - React/JavaScript 210736316 T13:27:45 00:00 London Software Engineering Full time As a Software Engineer at JPMorgan Chase within F&O Execution Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading te

Full Stack Engineer - Python/Rust & React We're partnering with a well‑capitalised, globally active hedge fund to hire a Full Stack Engineer into a high‑impact portfolio systems team. This group builds and owns the firm's core transaction and position ledger - critical infrastructure used daily

Build Interfaces That Make AI Feel Like Magic We’re at 80% automation today, building toward 95% autonomous accounting. Now we need someone to make that complexity feel simple. If you believe the best interface is no interface, and that AI should anticipate needs not wait for clicks, this is your ro

🔔 Senior Front‑End React /Svelte/ UI Software Developer (Contract) 📍 Hybrid | ⏳ Contract | 💻 Front‑End Engineering We’re looking for an experienced Senior Front‑End / UI Software Developer to join a delivery team building modern, cloud‑hosted digital products . This is a hands‑on, delivery‑focuse

Lead Software Engineer / Developer (Ruby TypeScript React) London / Remote to £130k Are you a polyglot Software Engineer with Developer Experience, API / SDK development skills? You could be joining a highly regarded provider of serverless real-time infrastructure for the Internet that processes bil

Build Interfaces That Make AI Feel Like Magic We’re at 80% automation today, building toward 95% autonomous accounting. Now we need someone to make that complexity feel simple. If you believe the best interface is no interface, and that AI should anticipate needs not wait for clicks, this is your ro

Principal Frontend Engineer (React / TypeScript) Front Office Technology London | Hybrid | £130,000 plus strong bonus We’re hiring a Principal Frontend Engineer to join a Front Office Technology team at a leading investment management firm. The role sits directly alongside portfolio managers and qua

Principal Front End Developer / Engineer (React) London / WFH to £120k Are you an experienced Front End Developer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. What's in it for you: Salary to £120k Pension, Life

JOB DESCRIPTION As a Software Engineer at JPMorgan Chase within F&O Execution Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. We support the #1 ranked execution busin

Kraken

Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join

⚛️ React Engineer – Elite FinTech Firm 📍 London (Hybrid) 💸 Up to £180,000 + Bonus + Comprehensive Benefits 🚀 The Opportunity Join a world-class buy-side firm as a React Developer, building high-performance front-end systems that power sophisticated trading and pricing workflows. This is a rare op

**Full Stack Developer Sheffield** £600pd - £650pd We are seeking a highly motivated Software Engineer to join a high-performing team building next-generation trading and risk systems. This role offers end-to-end involvement across the software development lifecycle, including the development of maj

Corriculo Ltd

£50,000 - £80,000 /year

Software Engineer, C#, .NET, Azure, React, COR7545B We’re looking for a mid-senior level Software Engineer to join the newly-created team of a leading financial services company based in Reading. The Software Engineer will work in a fully cloud-based Azure environment, to deliver new products and ca

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network The next step is to speak to Jack. Job Title: Intermediate Software Engineer (React) Salary: £75k Company Description: Goodlord - £17M-backed PropTech

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

Build Interfaces That Make AI Feel Like Magic We’re at 80% automation today, building toward 95% autonomous accounting. Now we need someone to make that complexity feel simple. If you believe the best interface is no interface, and that AI should anticipate needs not wait for clicks, this is your ro

Build Interfaces That Make AI Feel Like Magic We’re at 80% automation today, building toward 95% autonomous accounting. Now we need someone to make that complexity feel simple. If you believe the best interface is no interface, and that AI should anticipate needs not wait for clicks, this is your ro