Lead Java Developer jobs in Windsor, Berkshire

Java Developer / Technical Lead London / WFH to £115k Are you a hands-on Java Developer with technical leadership skills? You could be progressing your career in a hands-on leadership role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. What's in it for you: - Salary to £115k + Bonus - Pension, Private Medical Care, Life Assurance -...

Since 1989, CMC Markets has been at the forefront of online financial trading, providing award-winning platforms that allow clients to trade over 10,000 financial instruments across shares, indices, FX, commodities, and more. We’re listed on the London Stock Exchange and operate in 13 countries — and our success is powered by exceptional people. We’re now looking for a talented team-oriented...

Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary: up to £120k + bonus Location: London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer...

Lead Java Developer This is a hybrid role requiring 1/2 days per week in their London office. This opportunity does not provide sponsorship. La Fosse are partnering with a market leading InsurTech provider who are in the market for a skilled Senior Java Developer to join the core software engineering team. This role provides a unique opportunity to lead technical initiatives, mentor team...

Lead Engineer – Investment Finance (Java & Cloud) City of London | 💼 £145,000–£155,000 | 🏢 4 Days in the office We’re working with a prestigious investment finance organisation in the heart of the City of London, seeking a dynamic and technically astute Lead Engineer to drive innovation across both cloud infrastructure and application engineering. This is a hands-on leadership role for someone...

You will join a small team building a greenfield pricing engine. You'll be doing everything from building the infrastructure itself to touching/scaling the models. You'll be architecting, building and then supporting the solution from a very early stage and working directly with the Traders that use it.

Role: Tech Lead (Java) Location: London once a month Salary: Open depending on experience + generous tailored benefits A great opportunity to join a global SaaS company with an international footprint and enterprise-scale clients. Their partnership with Google gives them access to forward-leaning AI work and regular opportunities to attend industry events and meet-ups. You'll get a genuinely...

About Us: Solytics Partners provide products and services to BFSI and Healthcare firms. We use AI/ML& cutting-edge technology to develop next generation solutions or provide efficient services. We have strong team of PHDs in AI/ML and experts in BFSI, and healthcare industry. Our regulatory compliant solutions and services enable leading corporations and institutions to create and sustain...

Role – java tech lead Location – UK remote Mode: B2B Contract Core Skills Required: - Core Java - OOPs Concepts - Microservices / REST Services - Spring Framework (Spring 11/17) - Terraform / Ansible (Knowledge/Understanding) - UI Development (Angular) - Database Skills – SQL - Deployment Tools – Jenkins - Good Design & Architectural Approach

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and...

Job Title: ICON Payment Framework (IPF) Java Developer Location: Manchester Duration: 31/12/2025 Rate: £500 per day INSIDE IR35 We are looking for a highly skilled ICON Payment Framework (IPF) Developer with strong Java expertise to join our Payments Technology team. The successful candidate will play a key role in designing, developing, and maintaining payment processing solutions using the...

Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. Opus have partnered with a VC Backed Fintech...

You will work closely with quantitative researchers, traders, and infrastructure teams to deliver software that operates at microsecond latencies, scales globally, and directly contributes to our competitive edge in the markets. Key Responsibilities - Design, develop, and maintain low-latency, high-throughput trading platforms in Java.

Senior Java Developer – FX Algorithmic Trading | £825/day Inside IR35 | London | 3 Days Onsite Our client, a global leader in the financial services industry, is seeking a highly skilled Senior Java Developer to join their FX Automated Client Execution team. This is a 6-month contract based in London, requiring 3 days per week onsite. You’ll work directly on the trading floor alongside quants...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

You will play a key role in designing, building, and maintaining both the front-end and back-end components of high-performing web applications using Java, Spring Boot, and modern front-end frameworks. This is a great opportunity to work on large-scale, cloud-hosted systems that require performance, scalability, and innovation.

Java Developer with experience of the ION Marketview product set required by a global banking organisation seeking to increase their footprint in London. We are supporting the programme to grow our client's UK business, which currently utilises the ION suite for fixed income trading. This role will be part of an effort to modernise all aspects of the stack, scale up and deepen integration with...

Lead Software Engineer / Developer (Java Spring Boot AWS) London / WFH to £115k 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 trading company that has been consistently voted as one of the UKs top employers. As a Lead Software Engineer you'll join a fairly new...

About Us: Solytics Partners is a Global Analytics firm, recognized with multiple industry awards for innovation and excellence. Our team comprises experts with deep domain knowledge in risk, analytics, AI/ML, AML/FCC, and fraud. By converging this expertise with cutting-edge technologies like AI, Machine Learning, Generative AI, and Large Language Models (LLMs), we deliver powerful automated...

We’re working with a leading global investment bank expanding its Front Office FX eTrading team. This is a greenfield build of a next-generation trading platform that is performance-critical, front-office facing, and built for scale and speed. You’ll be joining a team of exceptional technologists delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and...