senior java developerin jobs in London

About the company Wise is a global technology company building the best way to move and manage the world’s money. About the role We are looking for a talented Senior Software Engineer to join our Payin Platform team in the London office. This team owns the layer that powers how money enters Wise. The platform sits between our product teams (Transfer,...

Senior Kotlin Engineer | Gov Project | 3-6 months | £470 p.d (Inside IR35) | UK-Based Role (As this is a time sensitive contract hire, we're only able to consider candidates that are available to start within a 4 week notice period) Role Senior Kotlin Engineer Day Rate £470 p.d (Inside IR35) Client Dept of UK Government Location Remote with 1 day per month...

McGregor Boyall partners with a leading global investment bank to hire a hands-on low-latency engineer for its specialist electronic trading technology team in London. The role focuses on building Java and Rust event-sourcing frameworks that power ultra-fast algorithmic trading platforms at scale.You will contribute across the full stack, optimize JVM and...

Senior Low Latency EngineerBuild the Technology Behind Modern Financial MarketsJoin a global financial markets technology organisation where engineering plays a central role in powering electronic trading, market connectivity and real-time decision making.This is an opportunity to work on mission-critical systems that support high-performance trading...

Referment is working with a global investment and technology organisation to hire a Senior Linux Infrastructure Engineer for its Platform Engineering team. This is a hands‑on role in a global, cross‑platform group responsible for core infrastructure supporting technology development and investment activity. You’ll work across Linux platforms, networks,...

Intelligent Resourcing Solutions Ltd is seeking a motivated Junior Java Developer to join our software team. You will work with senior developers to design, develop, and maintain Java-based applications, gaining hands-on experience in a collaborative environment.The ideal candidate has a Bachelor’s degree in CS/IT and a good grasp of Java, OOP, and common...

Location(s): UK, Europe & Africa : UK : London BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding...

Embedded Software Manager Location : Eastbourne + Hybrid Working from Home Salary : Up to £80,000 + 15% Bonus The Role KO2's client is seeking an experienced Software Manager to take ownership of the software engineering function within a business developing control and drive technology solutions. You will lead the design, development and integration of...

**Description** 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 Bank, and a year ago we split out as a separate...

iFAST Global Bank is seeking a highly motivated, enthusiastic, and self-starting candidate to join our IT Team as an IT Operations Executive. As an IT Operations Executive, you will have the opportunity to work closely with experienced professionals across various departments, gaining valuable hands-on experience in diverse IT functions. You will be exposed...

iFAST Global Bank is seeking a highly motivated, enthusiastic, and self-starting candidate to join our IT Team as an IT Operations Executive. As an IT Operations Executive, you will have the opportunity to work closely with experienced professionals across various departments, gaining valuable hands-on experience in diverse IT functions. You will be exposed...

**Job Description** ****Role Responsibilities**** - Architectural Leadership: Define and implement end-to-end architecture solutions for IT initiatives, ensuring they meet functional, non-functional, and security requirements. - Collaboration: Work with requirement owners, domain architects, and IT engineers to build high-quality solutions. - Integration:...

- **Location:** London, Leeds - **End Date:** November 2, 2026 - **Salary:** National (Leeds) ranging from £74,900 to £105,000 and London from £82,300 to £115,000 per annum (salary offered will be based on skills and experience) Applications must be submitted through our online portal. Applications sent via social media or email will not be...

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Sales Job Details About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn’t a...

Senior Full Stack Engineer. **£600-£650 per day | Outside IR35** We're supporting a leading financial services organisation in the search for a **Senior Full Stack Engineer** to join a product-focused team building customer-facing digital solutions. Experience within **Insurance, InsurTech, FinTech, Banking, or another regulated industry** is highly...

Senior Java / Python Engineer London | Up to £775/day (Inside IR35) or £120,000 Base Salary 5 Days Onsite for the First 6 Months | 4 Days ThereafterThis investments clientis investing heavily in a strategic platform build-out driven by T+1 settlement requirements and continued business growth. We're looking for engineers who enjoy building systems rather...

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving back is central to who we are, with a focus on...

Job Title: Senior Java Developer with SolaceJob Location: London, UK (Hybrid)Job Type: PermanentMandatory skills: Java, Spring boot and SolaceSkillsDesign, develop, and maintain high-quality Java with Solace / ION / Python applications using SpringBoot.Proficiency in Java core 8+ is a must.Proficiency in Junit.Implement Solace...

A growing capital markets technology business is looking to hire a Senior Java Developer to play a key role in building and evolving a cloud-native post-trade platform used across client reporting, APIs, workflow management, and trading operations.This is a hands-on engineering role with strong exposure across platform architecture, distributed systems,...

AI Technical Lead £70,000 - £80,000 + bonus | Mostly remote The opportunity Join an established software business at the beginning of a major AI transformation and take technical ownership of its new AI capability. This isn't an isolated innovation role or a stream of disposable prototypes. You'll remain hands-on, leading a small team to take AI ideas from...