301 to 325 of 376 Software Engineer Jobs in Central London

Multiple Java Hires - £140k plus equity Java, Springboot, Microservices, AWS Backed by huge Venture Capitalists, alongside other renowned investors, this fast-growing FinTech is on a mission to dollarize everyday finances, and they’re scaling at speed. With over £20M More ❯

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking More ❯

A growing and transformational financial services firm is seeking a Senior Python Software Developer to play a key role in its technology and innovation strategy. The successful applicant will join our delivery-focused and rapidly expanding technology and transformation team. The candidate will enhance the firm's data-driven … decision-making abilities by utilising the latest technologies and AI tools used by the broader business and the software development functions. Ideal candidates will be ambitious, entrepreneurial, and energetic. They will be willing to absorb new knowledge and grow within a dynamic, high-performance team. Execute the technology and More ❯

I am exclusively supporting an Tech Company with their search for a Full-Stack Software Engineer. You'll join a large engineering function that is broken down into squads and work on their core platform! They are growing the team down to lots of growth and a very impressive … They are looking for an Engineer with 3+ years of experience with: Java OR Kotlin Spring Boot Microservices TDD TypeScript/JavaScript Paying up to £65,000 and offering an amazing place to grow your career - Lots of support, Seniors to mentor you and a clear roadmap of progression More ❯

across financial intelligence with a well-established team of engineers! For the first 12 months, work with a 70/30 split between backend Software Engineering and AI, with potential growth into the company's founding AI Engineer and AI Ambassador roles just after a year. ROLE AND More ❯

building new functionality, enhancing existing systems, and modernising legacy applications. You’ll work closely with various teams across the business to develop high-performance software solutions that drive growth. 💡 Key Responsibilities: Develop and maintain SPA (Single Page Applications) using Angular, HTML, CSS, and TypeScript. Build and enhance web services More ❯

a programming language, with a willingness to pick up new technologies. Problem Solving Skills with an eye for detail. A passion for using collaborative software engineering techniques (agile, TDD, BDD, continuous integration). More ❯

holiday, Hybrid London (Bank), Visa sponsorship available * Fortnightly team dinners at customer restaurants Minimum requirements: * 4+ years commercial experience shipping and maintaining production-level software * Typescript & React : deep understanding of both front-end and back-end usage * AWS : experience running live production workloads (we use ECS, RDS, Lambda, SQS More ❯

Senior C# Developer Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working £80,000 - £110,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned C# Developer with extensive More ❯

A leading global trading firm is looking for a C# .NET Developer to join its trading systems team. You’ll work across front office, risk, and operations to build and support business-critical systems that handle real-time trade execution More ❯

KDB+ Developer – Front Office | London | £90k–£120k 🏢 Location: London, UK (Hybrid – 2–3 days onsite) 💼 Job Type: Full-Time | Permanent 🧭 Sector: Financial Services/Investment Banking/Trading 💰 Salary: £90,000–£120,000 🚀 About the Role We're seeking a More ❯

and evaluate new tools/libraries Help productionise AI features (prompt tuning, prompt chaining, LLM orchestration, etc.) What We Look For 5+ years in software engineering, ideally across full stack environments Experience working on complex systems with meaningful scale A bias toward action and pragmatism: you ship working software More ❯

Mid-Level Full Stack Engineer (Contract) 📍 Liverpool Street, London (Hybrid – 2 days onsite) 💼 Outside IR35 | £400/day 🗓️ Start: Mid-to-late June 🚀 Join a high-impact feature team modernising platforms and services as part of a major transformation programme. 🔧 What You’ll Be Doing Building and maintaining robust More ❯

will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code. Responsibilities Develop quality software and web applications Analyze and maintain existing software applications Design highly scalable, testable code Discover and fix programming bugs Qualifications Bachelor's degree More ❯

test cases. Troubleshoot and resolve technical issues with a focus on long-term sustainability. Project Management & Team Support Lead or contribute to the full software development lifecycle: requirements, design, development, testing, and deployment. Manage technical tasks, risks, and dependencies across multiple projects. Provide technical leadership and mentorship to junior More ❯

Requirements: Must have experience with Java for 4+ years. Highly motivated with a broad understanding of technology, and an aptitude for learning Strives to fully understand every aspect of a problem from start to finish A quantitative, data-driven approach More ❯

Excellent opportunity to join a global defence organisation with a leading reputation for cyber security and intelligence services. This is a brand new opportunity brought about by astronomical growth in the sector. This role is ideal for engineers who enjoy More ❯

Full Stack Developer (Java/React) – Hedge Fund – London – £90-120k base + bonus Join a hedge fund that values your innovation, where bureaucracy and rigid hierarchies are replaced with a focus on helping you solve some of the More ❯

Calling all football fans! Scala Developer - London The company This is an opportunity for to join one of London’s most exciting FinTech’s! They are a rapidly growing company that are developing statistical models and analytic tools for sports. More ❯

This is an exceptional opportunity to play a pivotal role in shaping and executing their technology and innovation strategy within a rapidly expanding and delivery-focused team. The Technology and Innovation function is responsible for delivering advanced technology solutions and More ❯

last decade . They’re leading the AI revolution — and right now, they’re hiring into their elite 3D simulation division, building next-gen software for major players in San Francisco, Tokyo, and beyond. You’ll be developing high-performance simulation tools (C++17/20), working on cutting-edge … Required: Very Strong C++ A engineering degree in Physics, Mathematics, Mechanical Engineering, Computer Science, etc 3 to 5 years' experience building technical or scientific software Must have experience in one of the CFD (Computational Fluid Dynamics) or something similar such as FEA, CAD, CAE, differential equations, or numerical analysis. More ❯

now seeking a number of Computer Science graduates with a minimum of one years commercial experience in Python back end or React front end software development. The client is known for taking the top 1% of global talent for it's opportunities in it's London offices, and developing … have one years experience at a company of scale and now be wishing to then take your career to the next stage. The right engineer will undertake multiple projects with the first one being to help create, build out and maintain a new greenfield platform for quantitative strategies and More ❯

The Role We are looking for a senior software developer to join our back-end development team working on our core trade execution platform. You will be involved in the design and development of new features for our clients, maintenance and support of existing functionality, and technological improvements to More ❯

Go). While the firm utilizes Go extensively, prior Go experience isn't required – just a readiness to integrate with an existing Go-based software stack. Data Analysis & Statistical Acumen: You're comfortable with data analysis and statistical methods , crucial for ensuring pristine data quality. Experience with regression analysis … Knowledge (A Plus): While not mandatory, any prior knowledge of finance would be beneficial. This is an exceptional opportunity for an autonomous and skilled engineer to make a significant impact on a core platform within a leading financial firm. Contact Ciara Clarke at Harrington Starr for a confidential discussion More ❯

of the missions in National Security. Having scaled quietly and organically since incorporation, they are set to accelerate their growth by hiring more exceptional Software Engineers to complement their 20-strong team. Here, you’d work hand-in-hand with the customer and your colleagues on complex and purposeful More ❯