java software engineer jobs in London

Software Test EngineerEmployment Type: Full-timeLocation: North LondonSalary: £45, - £55,Employment Type: PermanentOpportunity OverviewA leading technology and engineering company specialising in defence systems is seeking a Software Test Engineer to join its growing software engineering team. This position plays a key role in building, testing, and...

OverviewTL;DR This role is for you if you thrive on variety and love tackling the messy, real-world challenges that come from integrating software with hardware. You’ll also be passionate about bringing robots to life. No two days will be the same, but you can expect to:Solve challenging software problems end-to-end: spec, implement, test, and maintain...

We’re hiring a senior technology leader (Director) to own a global Market Data platform powering front-office trading across multiple asset classes. This is a hands-on engineering leadership role, combining team management and platform strategy with software development and architectural ownership. You’ll need the technical depth to contribute to code,...

Salary: £47,000 - 87,000 per yearRequirements:Applicants must be redeployee applicants at City St Georges; applications from others will not be considered at this time.Responsibilities:Design, develop and document a web-based Data Repository, including back-end services, APIs and front-end applications for uploading and downloading monitoring data.Work with...

Software Engineering Manager – Reminders | London or Manchester – Hybrid (1–2 days per week in the office) | Competitive Salary + BenefitsAbout the RoleWe’re looking for a Software Engineering Manager to lead our Reminders engineering team at Moonpig. This is a hands‑on, hybrid role based in London or Manchester, with 1–2 days per week in the...

You'll own how Luma's models get served — integrating new architectures into the inference engine, scaling deployments across thousands of machines, and keeping expensive GPU fleets busy while meeting internal SLOs.This is large-scale inference systems work: scheduling, fleet management, deployment pipelines, and reliability across clusters and hardware...

Senior leadership role and opportunity to shape the technology roadmap and product of a category-defining B2B SaaS startupWorking hand-in-hand with the co-founders, previously senior executives at a Fortune 500 companyCompetitive compensation package, incl. stock optionsFlexible hours and hybrid workingAttractive office space in the heart of LondonA company...

Base pay rangeThis range is provided by Tiro Partners Limited. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.OverviewRust Developer (multiple hires) | Permanent | London (2 days/week hybrid) | Iconic Brand in Retail & HospitalityWe are working with a household name that’s leading a digital...

🚀 About BorderlessAt Borderless, we’re building a world where borders are no longer barriers - where anyone can move anywhere, seamlessly and safely. Founded in 2023, we’ve already helped 600+ UK businesses and 15,000+ individuals navigate the complexity of immigration. Powered by technology, and supported by an expert team, our platform removes the...

Software Engineer – Data Platform TeamThe driving force behind Big Data at MimecastOverview Dive into the forefront of innovation with our Data Platform engineering team, where we process massive volumes of data to delight our customers with insights they love and fuel ML models with trusted data! Our pioneering Data Platform pushes on the boundaries of...

ServiceNow Software Engineer -Business analysis, implementation and support (Zoho Desk) Location: Milton Keynes, hybrid (three days in the office, two remote)|Permanent About the roleMy client runs its customer and partner communication on Zoho Desk, a case management platform. It is connected to our back-office systems through a library of custom...

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...

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world-class platform to...

We pull medical technology from the future to solve human health. Authorised by governments around the world to assess medical AI, we remove unnecessary delays from every regulatory approval we do so patients get devices from the future, today. We are proud to count the world’s most ambitious companies building medical technology as customers. You will be...

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play - it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology...

Remote | Central London office (few trips a year) We’re working with a growing technology business looking to hire an experienced Senior C# Software Engineer to join its software engineering team. This is a hands-on development role for someone with strong commercial software engineering experience in C#/.NET, with experience building cloud-native,...

4 hours ago Be among the first 25 applicantsA world-leading global systematic hedge fund and trading company is looking for a Software Engineer in risk.Responsibilities:Build tools and infrastructure to support Risk Managers and Risk Analysts.Extend and optimize the operational framework used for monitoring and disseminating risk across the firm.Collaborate...

Staff Software Engineer – Platform & Distributed Systems We are looking for a Staff Software Engineer to help lead the evolution of a highly scalable distributed data platform powering large-scale enterprise systems. This role is ideal for someone who enjoys solving complex backend and infrastructure challenges, influencing technical strategy, and...

Junior Software Engineer – Global FX Trading Location – 3 days hybrid in London Salary - £55,000-70,000 + bonus Our longstanding partner, who are leading at the forefront of FX trading around the world, are on the hunt for a Junior Software Developer who has approx. 1 year experience developing software in the financial space using Core Java without...

OverviewJoin to apply for the Software Engineer (Compiler) role at Promon.We are the world's leading Next-Gen Mobile App security company. Promon operates at the center of innovation, emerging trends, and high-end mobile app security solutions. Some of the world's largest enterprises trust us to secure their apps from cyber threats. Working together, our...