Senior Java Software Engineer jobs in City of London

Senior Java Developer- London/Hybrid- up to £95k Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button. Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by...

A leading FinTech innovator is shaping the future of financial markets - across traditional finance and crypto - with cutting-edge trade surveillance technology. Their mission is to protect investors, enhance transparency, and ensure compliance in some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single...

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Be one of the first applicants, read the complete overview of the role below, then send your application for consideration. Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading...

Senior Software Engineer / Developer (Java AWS) London / WFH to £100k Ensure you read the information regarding this opportunity thoroughly before making an application. Opportunity to progress your career in a senior, hands-on Software Engineer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Senior Software Engineer you...

Our client, a major Quantitative Hedge fund, is looking to hire a skilled Java Software Engineer to help build out the firm's trading systems and tooling. This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation packages. Help build out the firm's real-time...

You will be expected to have the following: - 6+ years commercial experience with Java - Good understanding of JVM (memory model, concurrency, data structures) - Spring framework, Spring Boot

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you’ll be doing: - Designing and developing performant, scalable...

Senior Java Developer – London / Hybrid – Up to £90,000 + Benefits Backed by leading VC investors and operating successfully for the past decade, the business is now entering a new growth phase and looking for a Senior Java Developer to join their talented engineering team. This is a hybrid role based in central London, typically requiring 3 days per week in the office (with flexible hours)....

Contract Role: Senior Software Engineer (x2) Rate: Up to £375/day (Inside IR35) Location: London - 1 day a week onsite Duration: ASAP - 31 March 2026 Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. We're building a brand-new engineering team to modernise and futureproof Media Services products. This is your chance to...

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating across...

You will be exposed to multiple financial markets and market structures, have the opportunity work on scaling a real-time system with a global footprint, applying modern software engineering principles.

Java Software Engineer Fintech seek numerous Java Software Engineers to join their growing Payments Engineering team. If you’re passionate about building scalable, low-latency systems that power seamless financial transactions across millions of users, this is your chance to make a real impact. What You’ll Do Design and build high-performance, resilient payment processing systems using Reactive...

Senior Software Developer (Java / Spring) | London (Hybrid) | £50K For a complete understanding of this opportunity, and what will be required to be a successful applicant, read on. Location: London (Hybrid) Experience: 2+ years Type: Full-time | Permanent The company are developing software solutions that address a wide range of challenges faced by the public sector. Their customers include...

Java Full-Stack Software Engineering Team Leader, Vice President## at### Description## What we doBlackRock is trusted to manage more money than any other investment manager in the world, helping millions of people and the world’s biggest institutions and governments reach their investing goals. We challenge businesses to reach higher standards by leading with purpose and promoting policies and...

Fimatix are a leading Agile Software Delivery Consultancy and we specialise in both Financial Services and working for HM Government clients. We are seeking a talented and motivated Java & Go Developer to help scale and evolve a modern, cloud-native platform built on AWS and Kubernetes (EKS) for one of our HM Gov clients. Key Responsibilities · Design, develop, test, and deploy robust and...

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. Build and scale backend...

Yaspa is an award-winning fintech that connects identity and money to simplify and accelerate the way we pay. Founded in 2017 by a former Worldpay CTO, Yaspa uses open banking to provide instant bank payments that are faster, more secure and more cost-effective than cards, and to help regulated businesses seamlessly verify customers and their payments. Yaspa operates across the UK and Europe, is...

Java Engineer If you think you are the right match for the following opportunity, apply after reading the complete description. We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The...

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating across...

A leading FinTech innovator is shaping the future of financial markets - across traditional finance and crypto - with cutting-edge trade surveillance technology. Their mission is to protect investors, enhance transparency, and ensure compliance in some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single...