backend java developer jobs in City of Westminster

Backend Engineer (AI Platform) - London £80k–£100k + EMI equity All candidates should make sure to read the following job description and information carefully before applying. About the Role We're hiring a Backend Engineer to build the core infrastructure behind Revax's AI-native platform for professional services. You'll design, optimise, and scale the systems that power multi-agent...

Java Software Engineer In order to make an application, simply read through the following job description and make sure to attach relevant documents. A leading trading firm in London is growing its engineering team and is looking for a high-performance Java Engineer to help build ultra-low-latency systems used directly on live trading desks. What You'll Be Doing - Designing and building...

You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: - Experienced in Core Java

Our vision Increase your chances of an interview by reading the following overview of this role before making an application. From blockbuster films and AAA games to immersive experiences, the demand for photo-real 3D content has never been higher - but creating photorealistic assets is slow, expensive, and manual with no current scalable solution available. At M-XR, our mission is to...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

You will work on a diverse range of challenges, from model-serving APIs and data pipelines to infrastructure for intelligent agents and automation frameworks.

You will collaborate closely with the CTO and engineering team to design, build, and scale production systems that integrate AI into real-world applications.

Android Engineer | London (Hybrid - 2 days in office) | £80k - £95k Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below. I'm partnering with a fast-growing scale-up looking for a skilled Android Engineer to join their team. What You'll Do - Build and maintain Android app with high-quality, scalable code - Contribute to...

Seeking a Scala/Java Developer with experience in Cryptocurrency and related technologies.

Manages a team of developers, overseeing software delivery for front-office trading systems, focusing on Java and collaborating with stakeholders.

Develops and enhances the Fidessa Order Management System using Java, Spring Boot, and RESTful APIs, collaborating with stakeholders in a capital markets context.

Developer to support Treasury applications with Findur, SQL, and Java. Requires 2-5 years of SQL Server DBA experience, Java development, and experience with Openlink Findur.

Develop and maintain the Django-based GeoKey software for participatory mapping projects, working within a team and adhering to software development best practices.

Lead Mobile Developer (Flutter) Apply fast, check the full description by scrolling below to find out the full requirements for this role. Remote-first (UK-based) £65,000 – £85,000 DOE We're a fast-growing tech company building digital products that power some of the UK's largest contractors. Our mobile apps are used every day on site — and we're looking for a Lead Mobile Developer to help us...

About Webigence and Spark Travel Is this your next job Read the full description below to find out, and do not hesitate to make an application. Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is...

About TriloDocs Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying. TriloDocs is a growing company at the intersection of technology and life sciences. We help pharma and healthcare organizations transform scientific data into clear, structured documents. Our team is passionate about creating intuitive, reliable tools that...

About us Increase your chances of an interview by reading the following overview of this role before making an application. Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW's app-based platform provides a secure, brand-compliant solution – for dealers to build...

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below. One of the leading absolute return/hedge fund managers within finance, currently managing over $40bn, is diversifying further by creating a separate division to focus on...

You will be joining a highly collaborative and smart engineering team, learning from some of the brightest minds in London.

You will also enjoy a fantastic benefits package, including: generous bonus, private healthcare, pension, life assurance, enhanced & increasing holiday allowance, personal development budget, long service awards & more!

Java Developer – Front Office Commodities Trading (London) Do not pass up this chance, apply quickly if your experience and skills match what is in the following description. Rare opportunity to join a highly profitable commodities trading desk I'm working directly with a Managing Director at a US-headquartered proprietary trading firm that has built one of the strongest platforms in global...

You will have the opportunity to work on highly impactful products improving the lives of many.

You will be expected to be confident in a product focused environment and be able to work effectively in a small focused team. This is the right role for someone seeking fulfilling and rewarding place of work.