Backend Java Developer - London - Trading Start-up

A well-established overseas Trading Company is building out its UK operation. This FCA-regulated trading firm is seeking a Back-End Java Developer to join their growing team and help build a greenfield trading and investment platform using modern Java technologies.

This is a high-impact, office-based role in Central London (Monday to Friday), offering the chance to work on a flagship product with no legacy systems or technical debt.

You'll design and develop scalable, secure back-end services, implement APIs, contribute to integration efforts, and play a key role in shaping the platform from day one.

The ideal Back-End Java Developer will have:

• 5+ years of Java development experience

• Strong Spring / Spring Boot knowledge

• Solid SQL (PostgreSQL/MySQL) and ORM experience (Hibernate/Spring Data)

• REST API design and development

• Familiarity with Git, Jira, and unit testing practices

Bonus skills include:

• Experience with AWS, Docker, and low-latency trading systems

• Exposure to front-end or mobile environments

The company offers a competitive salary, bonus, private healthcare, pension scheme, and a collaborative culture. Candidates must have the right to work in the UK; no visa sponsorship is available. Start date: ASAP.

To apply, please send your CV via the application process and we will be in touch.

Java, Spring Boot, SQL, REST API, AWS, Docker, Microservices, Backend Developer, Fintech, Trading, Finance, Financial Services, London

Head of Data Science (Hands-On) – Fintech – London (Hybrid, 2–3 Days/Week) – Up to £130k + 20% Bonus + Benefits

A high-growth and profitable fintech, headquartered in London, is seeking a hands-on Head of Data Science to shape the future of their AI-driven strategy.

In this pivotal role, you’ll lead a team of four Data Scientists while staying actively involved in coding and model development. You’ll have the autonomy to make strategic decisions that directly impact the company’s growth and performance. This is an opportunity to work in a fast-paced, agile environment that feels more like a tech startup than a traditional financial institution.

What you’ll bring:

• Proven experience with Python and SQL

• Strong expertise in AI, OpenAI, and LLMs

• A track record in machine learning modelling

• Experience with tools such as SageMaker and DataRobot

• A background in finance or another regulated industry

You’ll be instrumental in building greenfield AI products from the ground up, helping the business stay at the cutting edge of innovation.

Why join?

• Profitable fintech with huge growth potential

• Real autonomy to shape strategy and execution

• Work on cutting-edge, AI-first products

• Collaborative, high-energy culture

• Hybrid work model – 2–3 days in a central London office

We’re looking for a strong communicator who thrives in a fast-moving environment and can inspire both their team and stakeholders alike. If you’re passionate about AI, ready to roll up your sleeves, and want to make a genuine impact apply now.

Head of Data Science, Python, SQL, Modelling, ML, Fintech, AI, LLMs, RAG, Open AI API, Loans, Lending, London

Senior / Principal .NET Engineer
Location: London (Hybrid – 3 days per week onsite)
Sector: Fintech

Are you a skilled Senior or Principal .NET Engineer looking for an exciting new challenge in a rapidly growing Fintech company? Our client, a leader in the lending and credit space, is expanding its development team and is seeking a talented C# ASP.NET Engineer to help build cutting-edge products within a dynamic, fast-paced environment.

This is a fantastic opportunity to join a forward-thinking team, working on innovative solutions for payments and loans, while playing a key role in shaping the future of the business.

Key Responsibilities:

• Develop and maintain scalable, high-performance applications using C# ASP.NET and .NET Core
• Collaborate with a talented team to design and implement robust software solutions
• Apply SOLID principles to ensure high-quality code
• Contribute to cloud-based development (AWS preferred)
• Engage in Agile Scrum methodology, including TDD and continuous improvement

Essential Skills & Experience:

• Strong expertise in C# ASP.NET and .NET Core
• Solid understanding of software design and architecture
• Experience with cloud platforms, ideally AWS
• Proficiency in JavaScript and TypeScript
• Agile/Scrum development practices and Test-Driven Development (TDD)
• A keen interest in AI or additional programming languages, such as Python

Desirable Skills:

• Knowledge of PCI-DSS and FCA regulations
• Experience in the Fintech, lending, or credit sectors

This role offers a competitive salary and the opportunity to work with a fast-growing company at the forefront of the Fintech industry.

To apply, please send your CV via the application process.

Agile, C#, ASP.NET, SQL Server, AWS, JavaScript / TypeScript, Fintech, Finance, Lending, Credit, London