Java Software Engineer jobs in City of London

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 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...

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- 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...

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...

Travelfusion is the world's largest travel B2B content aggregator for LCCs (Low Cost Carriers) and FSCs (Full Service Carriers) processing hundreds of millions of daily transactions with tens of thousands of daily flight bookings. Travelfusion’s platform powers the world’s leading online leisure and business travel agencies, as well as the meta search and travel ecommerce sites. Apply (by...

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...

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...

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...

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...

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...

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 Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities - Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. - Write clean, efficient Java...

You will need to have the following skills for this opportunity: - An understanding of modern CPU architectures, cache optimisation techniques and Linux optimisation, and kernel knowledge - In-depth networking and messaging knowledge of networking and messaging protocols such as TCP, UDP, UPC, Multicast and FIX, along with the ability to understand and diagnose packet captures

Lead Software Engineer / Developer (Java Spring Boot AWS) London / WFH to £115k Submit your CV and any additional required information after you have read this description by clicking on the application button. Are you a hands-on backend focussed Software Engineer with team leadership skills? You could be progressing your career in a Lead Software Engineer role at a global FinTech / CFD...

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. Scroll down for a complete overview of what this job will require Are you the right candidate for this opportunity This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team...

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...

Job Title: Java Software Engineer Client: Elite Systematic Trading Firm Salary: Up to £175,000 Base (+ Bonus) Location: London/Hybrid The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have. The role: My client is looking for an experienced Java Software Engineer to join their rapidly expanding technology team....