software developers jobs in London

Job Title: Software Developer Job Reference: JB-9594 Job Location: London,SW3 6EP Job Description We are seeking a talented and motivated Software Developer to join our growing engineering team. In this role, you will design, develop, test, and maintain high-quality software solutions that power our products and services. Key Responsibilities Design, build,...

LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions.Developers are encouraged to constantly develop and learn new skills. Pair programming supports...

Our formula for success is to hire exceptional people, encourage their ideas and reward their results.As a Software Developer, you will be an integral member of a team of experienced technologists, quantitative researchers, and traders. Your team will work closely to solve challenging technological problems by contributing to our full tech stack, from...

As a Senior Software Developer in CO Digital, you will bring extensive, proven experience in designing, developing, and implementing customised solutions that support critical business functions and meet core project objectives. You will work closely with multidisciplinary agile teams, technical architects, and key stakeholders to gather requirements,...

Job Description Spirit It Services, specialises in groups for each phase of the product application lifecycle, we can offer end-to-end support or individual benefits as per the client's tendency and financial plan. Each team includes talented experts with broad experience along with industry accreditations. They work intimately with clients to strategize,...

This is a fully remote position, open to candidates based in United Kingdom.Pay: $60–$75/hrRole Title: Software DeveloperRole Type: ContractorLocation: RemoteWe are engaging Software Developers to contribute expertise to a dynamic customer project focused on digital innovation. In this role, you'll apply your expertise to help train next-generation AI...

As an award-winning, industry-leading Prop Tech company, we develop pioneering tech platforms for building management systems’ control and communication, optimising environments for people and the planet. Currently a rapidly growing and successful scale-up, we seek talented and highly motivated individuals ready to help us elevate our business to the next...

Job Overview At Mustard, we value quick delivery and real‑world impact over perfect code. If you thrive on solving problems quickly and enjoy a flexible, outcome‑focused culture, this role could be a great fit. What You’ll Work On Expand access to new liquidity providers using advanced web‑scraping and reverse‑engineering techniques. Develop and...

Salary: up to 200k + bonus Summary This is a superb opportunity for a proactive and pragmatic coder to join an award-winning, tech-savvy algorithmic trading firm in London. Specialists within electronic market-making in FX, equity, fixed income and commodity markets, they have one of the best names in the industry and attract the top talent. As part of the...

Senior Software Developer (Mobile) Location: London- Hybrid Duration: 12 months + Our Client is hiring a Senior Software Developer to help design and build mobile solutions that make a real difference. If you enjoy taking ownership, mentoring others, and delivering high-quality software through agile ways of working, this could be a brilliant next...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. As a senior member of the...

An 18-month fixed-term Software Developer role in the IT Development team at Kent Fire and Rescue Service, building software that supports services across the organisation. The work centres on developing and maintaining in-house applications and integrations, mainly on Microsoft technologies, using Agile practice. Hybrid working applies, with at least three...

AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to help train and evaluate AI models. This is a remote, project-based role: qualify once through a single assessment and receive ongoing project matches spanning code review, evaluation, and original task creation. Pay ranges from $50 to...

Are you ready to join the forefront of technology innovation with Netcompany?As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way businesses operate. Our vision is to be the leading digital challenger in Europe whilst evolving the next generation of IT consulting.Operating across both public and...

We're looking for skilled SRE engineers who will focus on improving the reliability and scalability of Joule Direct, a widely used energy trading platform. You will work across our cross-functional teams of software engineers, quality engineers and devops engineers to help drive systemic improvements to the reliability of our systems. Ideally you have many...

Playtech, founded in 1999 and listed on the London Stock Exchange, is a technology leader in the gambling industry with over 7,000 employees worldwide. We are looking for a proactive Python Software Developer to join our GenBet Unit in Holborn. Join us to design future technology and work in a diverse, highly technical team. Job Description As a Software...

Our client is a financial services institution seeking a Head of Software Development to join their Technology function in a senior leadership capacity. This is a high-impact role with a clear pathway to Deputy CTO The Role This is a strategic leadership position responsible for driving the software engineering function, owning the end-to-end development...

Title:Software Developer in Test Client:Growing Fintech Rate:up to £600 P/D (Outside IR35!!) Location:London (Hybrid) The role We are looking for a talented an enthusiastic SDET to join a rapidly expanding fintech based in London!! You will get the chance to work along side some of the best SDETs and software engineers that the industry has to offer whilst...

Develop and maintain transaction-related backend services using Java and Spring Boot. Build core business processes for order and transaction workflows.Ensure data consistency, system reliability, and correctness across critical business processes.Support stable operation of transaction systems under high concurrency.Participate in requirement discussions,...

Location - London with hybrid working available At LCP we love what we do, and it shows. We help our clients make good decisions based on insightful analysis, industry expertise, and game-changing technology. Working across a wide range of sectors, including pensions and benefits, investments, insurance, energy, health, sports, and data analytics, we help...