Senior Java Developer Microservices jobs in London

# Software Developer (Microservices) United Kingdom The SIPP (Self-Invested Personal Pensions) business is a key growth area for Barnett Waddingham. As an engineer in the SIPP360 team, you will contribute to the design, build and integration of information systems to meet business requirements. Work

*Company Description** Legal & General (L&G) is a leading UK financial services group and major global investor. *We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholder

Senior Java Backend Developer (Contract) Location: London (Hybrid) Rate: £850 - £900 per day (likely inside IR35) A leading global financial institution is seeking a Senior Java Backend Developer to join a high-performing engineering team, delivering scalable, data-intensive backend systems that sup

Java Developer *Location:** London *Employment Type:** Full-Time | Permanent | On-site No sponsorship provided About the Role Tech Mahindra is seeking an experienced *Java Developer** with 4–12 years of hands-on experience to design, develop, and maintain robust, scalable, and high-performance appli

We're working with a cutting-edge aerospace data intelligence pioneer on this exciting opportunity. Join a high-performance DevOps team building the future of aviation operations through a high-scale "Fast Data" platform. You will leverage Java 21, Quarkus, and Kubernetes to architect event-driven i

*Senior Java Developer | London | Hybrid | £130,000 - £150,000** We're working with a leading global investment banking powerhouse on this exciting opportunity. Join a high-performance eFX Algo IT team as a Subject Matter Expert (SME), where you will build ultra-low latency trading systems that defi

*Contract Java Developer – Data** *Up to £700 per day Outside IR35 (6 month rolling)** *In office – City of London** Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning

*Contract Java Developer – Data** *Up to £700 per day Outside IR35 (6 month rolling)** *In office – City of London** Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning

*Senior Java Developer (Immediate Joiners Only)** *Company:** Information Tech Consultants Ltd *Location:** Camden Town, London (Onsite) *Job Type:** Full-Time *Salary:** £40,000 – £45,000 per year *Experience:** 2–6 Years *Education:** Bachelor’s Degree in Computer Science / IT / Software Engineeri

*Who we are:** For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, givin

*Your new role** We're looking for a Java Developer to join a large financial‑markets organisation on a long‑term modernisation programme. The role focuses on upgrading legacy systems, improving performance, and supporting both real‑time and batch‑processing services. *What you'll need to succeed**

*Java Developer** We're working with a leading digital transformation consultancy delivering mission-critical infrastructure for the NHS on this exciting opportunity. This is a high-impact, 12-month contract role where you will build scalable, interoperable digital services that underpin the UK's he

Join Barclays as a Java Software Developer, responsible for designing and developing systems that generate pricing quotes, automating spreadsheet-driven workflows, and building client automation solutions. In this role, you will collaborate with the existing engineering team to enhance and maintain

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We tu

Join Barclays as a Java Developer and play a key role in delivering innovative technology solutions that power the next generation of equity derivatives trading. In this role, you will be part of a global team responsible for building and enhancing Barclays’ trade capture and lifecycle management pl

Role: Java Fullstack Developer Location: London (5days/week On-Site) Job Type: Permanent Job Summary We are seeking a highly skilled Full Stack Developer with strong experience in Java, Spring Boot, Kafka, and API Management platforms (Apigee) to build and support scalable, secure, and high-performa

Join us as a Java Full-Stack Developer within the Core Risk team and be involved in the rebuild and migration to new technologies of legacy components. This is a great role for a full-stack developer looking to make an impact, be inquisitive and comfortable in challenging the current set up. To be s

*Senior** *Java Software Engineer - Contract to Perm Opportunity** As a Senior Software Engineer you will take full ownership of critical application components that process millions of transactions in *high‑pressure, high‑stakes TDD-driven environments** . These systems are the revenue backbone of

Job Description Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by us

*Senior Java Developer (x5) – Retail Banking Payments/Transactions** *Contract:** 12 Months *Rate:** £700 – £775 per day (Inside IR35) *Location:** Canary Wharf, London – 3 days onsite / 2 days WFH We are currently seeking *5 experienced Senior Java Developers** to join a major *retail banking trans