Software Developer Programmer jobs in London

Lead Full Stack Software Developer | £80,000 - £100,000 We're working with a fast-growing UK SaaS technology company building data-driven digital products on this exciting opportunity. This is a high-impact, hands-on leadership role where you will shape the next generation of customer-facing platfor

Senior Software Developer | £100,000 - £120,000 We're working with a high-frequency systematic trading powerhouse on this exciting opportunity. We are looking for a heavy-hitting C# specialist to architect and build the next generation of greenfield trading and research systems that power real-world

iRock School of Music

€46,000 - €71,000 /year

Requirements Must have: - Solid commercial experience with Ruby on Rails - Experience working across the full stack (backend and frontend) - Strong understanding of scalable application design - Experience working with APIs (GraphQL or REST) - Good understanding of relational databases such as Postg

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

Senior Software Developer | £500 - £600 We're working with a global energy transformation leader with a 150-year legacy of innovation on this exciting opportunity. We are looking for a heavy-hitting Senior Developer who can bridge the gap between complex finance logic and high-performance Ruby on Ra

Software Developer | £42,000 - £50,000 We're working with a fast-growing bespoke software innovator on this exciting opportunity. This is your chance to take a lead role in modernising a complex ecosystem of mobile and web applications as the business migrates legacy systems to a cutting-edge new ar

About BigHand BigHand offers technology solutions for busy legal professionals that provide data and insights to increase value and profits. Through our expert knowledge and innovative technology, we enable our customers to achieve enhanced efficiency, better decision-making and harness their compet

Join us as a Senior Software Engineer This is an opportunity for a technically minded individual to join us as a Senior Software Engineer You'll be building and maintaining the services we provide to engineering squads With no product owner or tech lead aligned to this squad, you'll have increased r

Lead Full Stack Software Developer | £80,000 - £100,000 We're working with a fast-growing UK SaaS technology company building data-driven digital products on this exciting opportunity. This is a high-impact, hands-on leadership role where you will shape the next generation of customer-facing platfor

FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex and demanding capital markets firms, we develop the flexible tools

Join us as a Senior Software Engineer This is an opportunity for a technically minded individual to join us as a Senior Software Engineer You'll be building and maintaining the services we provide to engineering squads With no product owner or tech lead aligned to this squad, you'll have increased r

You will be leading the testing in a brand new team of 4 engineers plus a product manager. You will be working on one of our core transformation projects which involves rewriting and rearchitecting one of our core products without causing downtime or interruptions for our customers. You will be expe

The Role As we build on our success and expand into new markets, we are looking for passionate and talented Software Developers to help us to keep our customers happy by building and improving highly concurrent event driven architectures, working with amazing technologists across multiple products i

🔔 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

About AlphaSense: The world's most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes e

Ridge & Partners LLP

€33,000 - €50,000 /year

Requirements Must have: - Proven experience as a full-stack developer with a strong understanding of core business systems and processes - Demonstrated experience in leading and supporting IT change and implementation projects - Ability to conduct thorough analysis, assess current states, perform ga

Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that w

JOB DESCRIPTION Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team th

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo