Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Senior Java Developer Location: Bromley & London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate: £750 - £800 inside umbrella. In connection with the ongoing support and development of the Futures & Options and Collateral business for Global Markets, we are looking for a highly experienced, strong Java and Developer to join the technology teams in Bromley, London working on a range of applications for Collateral. The successful candidates should have the following responsibility...

JAVA DEVELOPER - JVM Location: Central London Working Pattern: Hybrid Employment Type: Permanent Sector: Financial Services THE OPPORTUNITY We are working with a high-growth financial services technology scale-up that is entering an exciting phase of expansion. This is an excellent opportunity for an experienced Java Developer with strong JVM knowledge to join a growing engineering team and take on a genuine technical challenge. You will work on high-performance, scalable systems while contributing to the continued development of the company's technology platform. The successful candidate will be technically strong, commercially aware and motivated by the opportunity to work within a fast-paced scale-up environment. KEY RESPONSIBILITIES Design, develop and maintain high-performance Java applications. Work extensively with the JVM and contribute to application performance and scalability. Develop and optimise distributed, highly available systems. Investigate...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Senior Java Developer Location: Bromley & London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate: 750 - 800 inside umbrella. In connection with the ongoing support and development of the Futures & Options and Collateral business for Global Markets, we are looking for a highly experienced, strong Java and Developer to join the technology teams in Bromley, London working on a range of applications for Collateral. The successful candidates should have the following responsibility and...

Role: Java Developer Type: PERM/FTE Location: Belfast, Northern Ireland Working Model: Hybrid Core Responsibilities: Develop: Architect and maintain robust Java-based microservices leveraging Spring and SpringBoot frameworks. Lead: Guide development efforts, mentor junior developers, and ensure code quality, security, and performance. Collaborate: Partner with cross-functional and DevOps teams to automate deployments and deliver high-quality solutions. Key Skills Required: Mandatory: Java, Spring, SpringBoot, and SpringMVC. Experience: 5-7 years working with Java microservices, cloud platforms, and containerization technologies. Let me know if you are interested and we can have a confidential chat. You can also drop me your CV and I will get back to you on call directly to discuss the role further. If this is not a great fit for you then please let me know if you know someone who can be suitable for the role. Randstad Technologies Ltd is a...

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical. You'll design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this is an onsite role that will require you to work within our London office (near Liverpool street) 5 days on site per week. The Role Ultra-Low Latency Engineering Develop and optimise high-performance Java (21+) systems for pricing, risk and trading. Build and enhance components within a low latency, high-throughput trading architecture. Apply advanced concurrency,...

Locations: London, Manchester, Cardiff, Southampton At 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 success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. As a company, everyone is expected to roll up their sleeves to help deliver great outcomes for our clients. We are an engineering led company and we're looking for people who are will...

Senior Software Developer - Guildford Full-Time Office-Based We're looking for an experienced Software Developer to join our team in Guildford, working on challenging and innovative projects across software development, signal processing, image processing and secure systems. This is a hands-on role where you'll work independently on your own projects while also supporting, mentoring and leading junior developers. What we're looking for 3+ years' professional software development experience A strong academic background, ideally with a 1st or 2:1 degree (or PhD) in a numerate discipline Strong academic results, including A-level Maths and Physics Experience developing and maintaining complex, real-world software systems Strong understanding of clear, efficient software design Good verbal and written communication skills Experience with Linux systems , including configuration and administration Experience with some of the following: C/C++ Python and/or...

Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Full Stack Developer (Front End - Java / Angular / Solidity) Location : London (5 days per week onsite) Contract: 12 months with possible extension Rate : 700 - 750 inside IR35 Overview We are looking for experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications, cloud-native services, and modern user experiences. The...

Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. 2027 Software Engineering Apprentice - Level 6 Digital and Technology Solutions Degree Apprenticeship   Start Date: 06 September 2027 Salary: £24,000 per annum Employee type: Permanent Location: Crawley Working Schedule: Monday – Friday, 37 hours a week (8 hours Monday – Thursday, 5 hours Friday)   Turn your curiosity into a career. If you are passionate about engineering, eager to learn, and looking for a degree apprenticeship that combines academic study with exciting on-the-job experience, we would...

Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Under Water Systems (UWS) Our purpose is to be the leading provider of underwater sensors and decision superiority, helping navies across the world keep our friends, families and all of us safe. We cover four sectors: Mine Counter Measures, Anti-Submarine warfare, Services and Future Capabilities. Software Engineer – Maritime Mission Systems Thales Maritime Mission Systems provide a unique opportunity for you to create software that delivers a state of the art Sonar capability for UK and International Navies. Our...

White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision? At Capital One, you'll be part of a community of technical leaders who drive engineering excellence, foster innovation, and deliver impactful solutions that meet real customer needs. What You'll Do Own and drive the technical strategy for a significant business outcome or technology domain, spanning multiple teams and influencing the overall technical direction Lead and coordinate the efforts of multiple teams, ensuring their collective work aligns with broader business objectives and technology strategy Proactively identify emerging patterns, define and evangelise best practices, and establish reusable frameworks that...

Description Starling is the UK's first and leading digital bank on a mission to fix banking! Our vision is fast technology, fair service, and honest values. All at the tap of a phone, all the time. We are about giving customers a new way to spend, save and manage their money while taking better care of the planet which has seen us become a multi-award winning bank that now employs over 2800 across five offices in London, Cardiff, Dublin, Southampton, and Manchester. Our journey started in 2014, and since then we have surpassed 3.5 million accounts (and four account types!) with 350,000 business customers. We are a fully licensed UK bank but at the heart, we are a tech first company, enabling our platform to deliver brilliant products. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat...

Software Engineer I am currently recruiting for a Software Engineer to join a leading organisation within the public sector. Within this role, the ideal candidate must have previous experiences of working across the full stack including: Java, AWS and Springboot. Location - Fully Remote Salary - £65,000 Responsibilities Design, develop and maintain complex software solutions ensuring they are secure and tested Contribute to software architecture decisions making sure they are all aligned with project and business goals Work alongside Testers, product management and digital functions Troubleshoot and resolve technical issues ensuring software operates smoothly and efficiently Skills Proven experience in full stack development which includes the design and development of Java, spring boot and AWS Some proficiency in Python, java or JavaScript Strong understanding of Agile and DevOps practices Familiar with CI/CD pipelines, automated...

White Collar Factory (95009), United Kingdom, London, London Senior Software Engineer Job Title: Senior Software Engineer Location: London - Hybrid Working Pattern: 3 days in-office (Tuesday-Thursday) and 2 days remote. Our Mission We're on a mission to be a force for good in lending. Throughout our almost 30-year history, we've consistently been recognised as a great place to work; in 2026, Capital One was officially ranked 9th in the UK's Best Workplaces list. Hear from our team about what it's like working at Capital One UK. About the Role Working in and across tech teams is a natural part of our outcome-based culture, so you'll have plenty of opportunity to talk, coach and learn with many great and diverse individuals. In this role, you will design, develop, test, and maintain software products that automate core business processes. You will walk in the shoes of our users, collaborating with Business, Technology, and...

Job Description: Job Purpose The Quantitative Analyst will join the Global Quantitative Research Group, which designs, implements, and supports enterprise quantitative models and systems. This role blends quantitative research and data science, focusing on model development, risk analytics, and large-scale data engineering. The primary responsibility is to drive quantitative model initiatives for clearing houses while supporting data-driven solutions across multiple business lines. The candidate must demonstrate strong quantitative and programming skills, deep understanding of financial derivatives, and the ability to manage complex data workflows. Frequent interaction with Risk Management, Technology, and Senior Management is expected.     Responsibilities Lead research and development of margin, stress testing, and risk management models for clearing houses. Perform quantitative risk analysis and develop solutions across multiple asset classes (interest rate, equity,...

Capita Regulated Services is building a talent pool for upcoming specialist fixed-term contract opportunities within our Life & Pensions business area. With numerous projects and increases in client demand linked to change activity anticipated from summer 2026, we’re keen connect with experienced Developers in the UK, ideally with experience in the FCA Regulated Life & Pensions sector, to support the delivery of these projects. Specifically, we will be seeking: • C# Developers • Mainframe Analyst Developers (incl. IBM Mainframe, Cobol, JCL, DB2, CICS and Microfocus Cobol) • VB6 Developers Whilst the roles are not live just yet, we want to get ahead by identifying and engaging with talented individuals early, so that we can move quickly when the requirements are confirmed. If you’re open to future contract opportunities and would like to be considered when roles become available, we’d love to hear from you. These roles will be based in the UK, however will require the...