java software engineer jobs in London

6 month contract initially, Outside IR35, Fully remote role (UK/Europe)A leading global consumer technology company is building products that prioritise safety, equity, and meaningful user experiences. They are seeking a Senior Backend Engineer with strong technical judgment, a high sense of ownership, and the ability to drive work forward even when...

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here. We don’t chase hype cycles. We innovate, build and deploy responsible AI...

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, technology and innovation that deliver our clients a...

Summary Imagine what we could do together. At Apple, new ideas have a way of becoming phenomenal products, services, and customer experiences very quickly. We’re looking for a driven but adaptable developer, working primarily in Go, with some Swift, and dipping into other languages like Python or Bash as necessary, to help build a powerful platform that...

Senior Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned by four highly experienced and recognised...

About us One team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looking for people who think big, act fearlessly, and create an...

Are you a strategic technology leader who is passionate about modernising data platforms, leading high-performing teams, and delivering impactful data solutions at scale?Do you thrive on driving cloud transformation, strengthening data governance, and advancing AI adoption while partnering with stakeholders across a global organisation? About the...

A software company in London is looking for a Tech Lead (Python) to join and guide their engineering team. They operate in a fast-paced environment where engineers prioritise quick delivery, practical problem-solving, and real-world impact over perfect code. It's an outcome-driven culture with plenty of autonomy, where developers take ownership across the...

About Arondite Arondite enables organisations to wield autonomy, data and AI at scale. We equip operators with the foundational software to orchestrate their mix of platforms and capabilities, and then take mission‑critical decisions faster than their adversaries. We exist to ensure the UK and its allies out‑think, out‑pace and out‑adapt those who...

Software/Digital Engineer - 6 months+ £500-600pd Inside IR35 DOE - Hybrid working in Berkshire ( 2 days p/w, rest wfh)Looking for a Software / Digital Engineer to support the implementation, operation, maintenance, and evolution of digital tools supporting Model and Simulation (Synthetics), Virtual and Physical Testing, Qualification, and Certification...

London, United Kingdom | Posted on 12/04/2025 The employer is an early stage Crypto startup developing a toolchain for shared, just‑in‑time applications that gives independent developers freedom to build powerful shared apps. It is an interoperable, low cost, quick to build, easy to manage, copilot‑friendly and platform independent...

Job Description Hybrid: 2 days per week in our Tower Bridge office (Wednesdays & Thursdays) money.co.uk exists to help consumers make more informed financial decisions. Our free, online comparison service allows consumers to compare financial products, from credit cards to savings accounts, loans to travel money. We want our users to feel reassured that...

About Elyos AIWe’re building the next generation of customer service with AI Agents. Our agents answer calls, reply to emails and WhatsApp messages, make bookings, take payments, and operate the CRM in the same way a human would.We founded Elyos in June 2023 and took part in the Y Combinator S23 batch. Our founders spent four months in San Francisco living...

The OpportunityJoin Attest at a pivotal moment: we're transforming how the world's leading brands discover and act on consumer insights. As a Senior Software Engineer on the Measure squad, you'll help grow and evolve Attest Measure, our quantitative survey platform that gives brands robust, at-scale consumer research — from survey design and fielding...

London (4 days onsite, 1 remote) We're working with a fast-growing AI Engineering team based in London on a Senior Software Engineer hire. The team has a genuine startup culture, small, focused, high ownership, backed by the scale and resources of a major global organisation. They build AI-driven technology that has measurable real-world impact on how...

OverviewA brand new and exciting opportunity has arisen for a C++ Software Engineering Manager with extensive knowledge of C++ to join a market leading financial services company based from their Old Street, London office. Please note you will be expected to go to the office 4 days per week. The C++ Software Engineering Manager will take lead and mentor a...

We’re fixing the most broken process in business. Whether it’s SaaS, hardware, or contractors, a typical B2B purchase drags on for 3+ months, spawns 50+ emails, and pulls in multiple stakeholders across Finance, Legal, Security, and IT. Nobody likes it, and it slows businesses down. Omnea exists to change that. Our AI-native platform connects the people,...

Build the engine room of a payments platform that actually understands money. Most payments companies are wrappers. Money goes in, money comes out, and nobody can tell you why a particular merchant got paid the amount they did, against which rule, on which day. Our client can. That is the whole product. We're partnering on a search for a well funded London...

Join to apply for the Software Engineer role at Zopa BankJoin to apply for the Software Engineer role at Zopa BankHello there. We’re Zopa.We started our journey back in 2005, building the first ever peer-to-peer lending company. Fast forward to 2020 and we launched Zopa Bank. A bank that listens to what our customers don’t like about finance and does the...

ROLLER isn’t your average SaaS company. We operate globally across 30+ countries, powering millions of real-world experiences in the leisure and attractions industry. What we build doesn’t just live on a screen. It shows up in busy venues, peak weekends, and unforgettable moments for guests.Our mission is simple but ambitious: help operators run better...