Senior Java Software Engineer jobs in Greater London

You will successfully conduct day-to-day work and solve complex issues in your own specific technical engineering area, will share domain and industry knowledge between cross-functional teams and will serve as a guide to others by sharing and helping junior engineers in their duties, while reporting on status of difficult or high-level projects to local tech leadership via written or oral means.

Join Our ScriptRunner Platform Team as a Senior Software Engineer! Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, ScriptRunner is looking for a dynamic Senior Software Engineer to join our talented ScriptRunner Cloud team. About us: ScriptRunner is committed to...

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £650 (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...

Overview Uneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future.Senior Software Development Engineer in Test (Java & Selenium) – you will design and maintain robust test frameworks, build enterprise-level...

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...

Principal Java Developer – Fully Remote The Opportunity Ocho is partnering with a fast-growing, product-led fintech that’s building out a brand-new Development Centre from the ground up to deliver an innovative Greenfield payments platform. As a Principal Java Developer, you’ll be hands-on in designing and developing backend, service, and portal systems that power secure, scalable payment...

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...

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...

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 mentor a small team of 3 talented developers while remaining hands-on with coding and solution design. You’ll help define how software is built, scale systems, and influence the technical direction of a globally used SaaS product. You’ll be supported by a collaborative leadership team that values technical excellence, autonomy, and personal growth.

DescriptionAt Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business. Starling has seen exceptional growth and...

Senior Java Developer - FinTech Start-up (Remote, UK) Salary: £50,000–£80,000 + EMI Stock Options Location: Fully Remote (UK or Europe-based preferred) Company: High-Growth FinTech Start-up Join a Fast-Growing FinTech Revolutionising Payments We’re partnering with a venture-backed FinTech start-up that’s redefining how businesses manage international payments and currency conversion. Their...

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...

Role: Senior Java Software Engineer (Back-end) Salary: £85,000–£100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product, focusing on Wealth Management, is set to disrupt the sector and is...

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

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...

Senior Java Software Engineer 📍Remote UK | 🌍 Global Fintech | 💳 Merchant-First Payments Ecosystem A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is looking to expand its engineering team. As the company continues to scale its platform to meet growing demand, they’re seeking experienced engineers to join their collaborative,...

Senior Software Engineer with Python and JavaOur Client is looking to recruit brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go.We?re looking to recruit initially 2 excellent Software Engineers to work with an existing team of 4 software developers on a very large...

Senior Software Engineer / Developer (Java AWS) London / WFH to £100k 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 will join a fairly new team working on a new crypto offering to design, develop and implement high...

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...