Backend Developer Java Spring Boot Python Jobs in London, UK

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Specialised Engineer HCS Commerce

Role/Job title Specialised Engineer - HCS Commerce Work Location London Role type Contracting Mode of working Hybrid Hybrid days requirement 2 days in Office Contractor Rate £550 to £590 Duration of ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Junior Full Stack Engineer — Live Trading Systems (Java)

Albert Bow is looking for a Junior / Mid Full Stack Developer in Mayfair, London to work on a live eFX trading system. You will join a high-growth buy-side quantitative fund, contributing to both backend and frontend components. The position requires experience with Spring Boot and APIs, along with an interest i ...

Java Software Engineer

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers ...

Java/Kafka Developer

Job Title: Java/Kafka Developer - London About the Job you are considering: We are looking for a Java Developer with Kafka expertise to build and support Spring Boot microservices and event-driven systems for scalable, high-volume trade processing. Hybrid working: ...

Java Identity Engineer

We are seeking an experienced Java Identity Engineer to design, develop, and support secure authentication and authorisation solutions across enterprise applications and APIs. The ideal candidate will have strong Java backend engineering experience combined with deep knowledge of Identity and Access Manage ...

Java Identity Engineer

We are seeking an experienced Java Identity Engineer to design, develop, and support secure authentication and authorisation solutions across enterprise applications and APIs. The ideal candidate will have strong Java backend engineering experience combined with deep knowledge of Identity and Access Managemen ...

Java Identity Engineer

We are seeking an experienced Java Identity Engineer to design, develop, and support secure authentication and authorisation solutions across enterprise applications and APIs. The ideal candidate will have strong Java backend engineering experience combined with deep knowledge of Identity and Access Managemen ...

Java Identity Engineer

We are seeking an experienced Java Identity Engineer to design, develop, and support secure authentication and authorisation solutions across enterprise applications and APIs. The ideal candidate will have strong Java backend engineering experience combined with deep knowledge of Identity and Access Managemen ...

Java Identity Engineer

We are seeking an experienced Java Identity Engineer to design, develop, and support secure authentication and authorisation solutions across enterprise applications and APIs. The ideal candidate will have strong Java backend engineering experience combined with deep knowledge of Identity and Access Managemen ...

Senior Java Backend Engineer Cloud, APIs & Scale

Arrows is seeking a Senior Java Developer to join their international engineering team. In this role, you'll develop and enhance backend services for a sophisticated Content Management System supporting global streaming platforms. You'll work on Java-based systems and contribute to architecture decisions, platfo ...

Senior Java/Kotlin Backend Engineer – FinTech, Hybrid London

Senior Software Engineer - Java / Kotlin (Financial Services)We're supporting a major financial services programme that is scaling rapidly and looking to add several experienced backend engineers to the team.We're looking for strong Software Engineers with proven experience building s ...

Java/Kotlin Developer

Senior Software Engineer - Java / Kotlin (Financial Services)We're supporting a major financial services programme that is scaling rapidly and looking to add several experienced backend engineers to the team.We're looking for strong Software Engineers with proven experience building s ...

Java Developer

Join to apply for the Java Developer role at OLM Systems Join to apply for the Java Developer role at OLM Systems Locations: Teddington, Glasgow, or Newport (Hybrid) Salary: Up to £39,000 p ...

Principal Java Engineer – Retail

Principal Java Engineer (Individual Contributor) 6-Month Contract | Outside IR35 | Paddington (3 days/week) We are partnering with a leading UK retail organisation on a significant payments and platform transformation. We seek a Principal Java Engineer to join as a hands‑on individual c ...

Principal Java Engineer Retail

Principal Java Engineer (Individual Contributor) 6-Month Contract | Outside IR35 | Paddington (3 days/week) We are partnering with a leading UK retail organisation on a significant payments and platform transformation. We seek a Principal Java Engineer to join as a hands‑on individual contr ...

Senior Java Developer

About Synechron Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting‑edge technologies. We are ...

Senior Backend Engineer Java Microservices | Hybrid/Remote

A leading fintech company is seeking a passionate backend developer to drive innovation in their microservices architecture. With a strong focus on Java and Spring frameworks, you will work within a self-managed team in a hybrid or remote setting. The role emphasizes quality, collaboration, and career developmen ...

Camunda Lead Full Stack Dev for Lending Workflows

Capgemini is looking for an experienced Camunda Lead Full Stack Developer to oversee project delivery in the banking domain. The role demands strong architectural guidance on Camunda 8 processes and the ability to coordinate cross-functional teams. The successful candidate will possess 15 years of expe ...

Backend Java Engineer

Software Engineer (Java) Are you passionate about building software solutions that engage millions of sports fans worldwide? Do you want to work in a collaborative environment, building cutting‑edge technology that powers web and native applications across the sports industry? If so, we w ...

Java Backend Lead

Eeze is a Malta-based, technology-driven company that has been developing world-leading online gaming platforms and solutions since 1999. Underpinned by a history that directly interconnects with the rise of online gambling, the company has been a key pioneer within the international market. Over the years ...

Backend Java Engineer

Java Engineer – Backend & Search Platform Location: London, UK PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK About the Role You’ll be working on a large‑scale backend platform that powers advanced search, data proc ...

Backend Java Engineer

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future‑ready workplaces. We help organisations adapt, grow, and thrive in an ever‑evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Backend Engineer London

Location London Employment Type Full time Location Type Hybrid What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collabo ...

Java Developer with Fixed Income

Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia an ...

Senior Java Backend Engineer – Data Platform

A leading technology firm in the United Kingdom is seeking a Senior Backend Developer to support a data platform programme for a global financial services organisation. The successful candidate will design and implement backend services, ensure high levels of automated testing, and integrate with various systems ...

Principal Java Engineer – Retail

Principal Java Engineer (Individual Contributor)6-Month Contract | Outside IR35 | Paddington (3 days/week)We are partnering with a leading UK retail organisation on a significant payments and platform transformation. We seek a Principal Java Engineer to join as a hands-on individual contrib ...

Principal Java Engineer – Retail

Principal Java Engineer (Individual Contributor)6-Month Contract | Outside IR35 | Paddington (3 days/week)We are partnering with a leading UK retail organisation on a significant payments and platform transformation. We seek a Principal Java Engineer to join as a hands-on individual contrib ...

Senior OMS Developer (Java)

Job Title: Java Developer (OMS Specialist) Location: London (Hybrid Working) Working Pattern: 2–3 days onsite per week Employment Type: Permanent Overview A London-based financial technology organisation is seeking an experienced Java Developer to join its engineer ...

Software Engineer Java Kafka API

Software Engineer Java Kafka API (PR/ ) London, England Apply with Indeed Salary: GBP75000 - GBP90000 per annum Software Engineer / Developer (Java Kafka API) London / WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, ...

Backend developer (Remote)

About VitraCash We love the convenience of cashless payments, but using your credit cards while travelling proved to be quite a hassle. As every card has so many pros and cons, it has become nearly impossible to keep track of all the benefits and hidden fees. VitraCard aims to offer an ap ...

Principal Java Engineer (Retail)

Requirements Proven experience as a Principal Java Engineer in backend-heavy environments in teams having multiple levels of engineering ,Strong experience in Java 17+, ideally with experience in using Spring Boot or Micronaut. Kotlin experience is a bonus. If the applicant does not ...

Engineering Manager

About Epassi Epassi’s purpose is to boost everyday well‑being. We are a leading provider of employee benefit solutions in Europe. Established in Finland in 2007, we were the first company to launch a mobile‑payable employee benefit payment solution in Europe in 2008. Since then we have consistent ...

Python Developer Backend or Full Stack London Hybrid

Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see their work ...

Senior Software Engineer UK

Senior Software Engineer UK (Visa) Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to co ...

Java Engineer

Overview Our client is seeking a Java Engineer to join their Data Distribution team , responsible for building and evolving an enterprise‑grade investment data platform supporting Research, Portfolio Management, Trading, and Analytics . This role focuses on Java-bas ...

Graduate / Junior Developer, Python, Linux, C#, Java London

Graduate / Junior Developer, Python, Linux, C#, Java – London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client’s revolutionary marketing software platform has been helping businesses ...

Graduate Developer: Python/Linux/C#/Java — Remote (UK)

A leading technology company is seeking a Graduate / Junior Developer to join their team in London, offering flexibility with remote work. Applicants should have a foundational knowledge of Python, Linux, C#, or Java, ideally from their degree or industry experience. The role promises an engaging environment wit ...

Graduate / Junior Developer, Python, Linux, C#, Java – London

Graduate / Junior Developer, Python, Linux, C#, Java – London(Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer)Since 2006 our client’s revolutionary marketing software platform has been helping business ...

Graduate / Junior Developer, Python, Linux, C#, Java – London

Graduate / Junior Developer, Python, Linux, C#, Java – London(Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer)Since 2006 our client’s revolutionary marketing software platform has been helping business ...

Java Developer – Game Engine – 5413

Exciting opportunity for a Java Developer to join an award winning and forward-thinking gaming company in Southwark, London. The candidate will be expected to be able to give design recommendations and improve and maintain the current codebase. A love of mathematics is a distinct advantage f ...

Senior Software Developer (Path to Head of Engineering)

Senior Java Developer (Path to Head of Engineering) UK – Hybrid (3 days onsite) Java, Spring Boot, Microservices, Cloud, TDD, Capital Markets, Post-Trade The Company This is a rare opportunity to join a specialist post-trade technology firm operating at the heart of the ...

Lead Back End Developer Java

London, United Kingdom | Posted on 17/09/2025 Segmentify is an e-commerce personalization platform helping online retailers to optimise their conversion rates by enabling them to deliver a unique shopping experience for each visitor. Segmentify tracks each individual visitor’s behaviour ...

Senior Software Developer

This job is with Aristocrat, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.As a Senior Software Engineer (Backend), you will play a key role in designing and building s ...

Blockchain Developer

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Location: London- 2days onsite Duration: 04/12/2026 We are seeking an experienced Smart Contract Developer with ...

Senior Front End/Lead Developer

Senior Front End / Lead Developer The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to o ...

Senior Front End/Lead Developer

Senior Front End / Lead Developer The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to o ...

Staff Software Engineer, Agentic Platform

About the Role We’re looking for a Staff-level Backend Engineer (AI) to bridge robust backend systems with Generative AI. You’ll design frameworks, standards, and platforms that allow AI capabilities to scale securely, reliably, and efficiently across the enterprise, influencing long-term technic ...

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    Backend Developer Java Spring Boot Python Jobs in London Job Search Guide, Trends and Insights