Jobs for senior java developer at London

We're partnering with an established and rapidly expanding UK technology organisation that delivers innovative solutions to thousands of businesses nationwide. This company is a forward-thinking employer that values continuous learning and development, offering a collaborative environment to make a real impact. The Role - Develop, enhance, and...

Job DescriptionJob Title                      : Java DeveloperLocation                     : WimbledonDuration                     : 6 Months Contract (OR) Permanent Role Job Description          : Experience Level        : ·         Total Experience required – 7...

Company Powa Technologies Limited is a leader in m-Commerce (mPOS, mobile wallet) and e-Commerce. Our international customers include major banks, telcos, and large retailers. We’re seeking smart people to join technical team at our Central London location as we dramatically expand our business. The Tech Blurb What we do: Make design decisions...

At DTN we help people gain visibility with leaders and decision makers.  We are on a mission to showcase overlooked talent that possesses the relevant and transferable skills organisations need to innovate and thrive.  We believe in a future where talent wins. This is an opportunity to gain visibility with leaders in a global financial services...

Accepting applications until: 23 October 2026Job DescriptionYour Role: Java Developer – Digital Out of HomeAre you a Java Developer looking to be part of a team building cutting-edge, event-driven systems that power millions of digital advertising moments every day?As a Java Developer within our Digital Out of Home (DOOH) team, you’ll help develop the...

iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities. iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading...

Morgan Hunt UK Limited is recruiting a Senior Full Stack Java Developer for a 6-month contract (likely extension) with a UK remote arrangement. You will join a government organisation, working in an Agile, cross-functional delivery team to build cloud-native applications using Java 21, Spring Boot, React, Next.js, OpenShift, PostgreSQL and...

About BT BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other...

If you're a Principal level Java or Kotlin Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring. This is an opportunity to take a leading technical role on a large, high-throughput platform within the telecommunications and online payments space.Java /...

A leading organisation within the Energy & Utilities sector is seeking an experienced Java Application Developer to support the delivery of business-critical applications within a modern cloud-native environment.£520 p/d Inside IR35Mainly Remote (1 day a week in London, the rest is WFH)6 month+ contractIn the role you will design, develop and support...

hackajob is partnering directly with Atos to hire for this role. Atosis the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and...

Your new company I'm looking for a Fullstack Developer with Java experience to join a well-known team on a 12-month contract. Office attendance required at least 3 days per week. During the first month, attendance is expected to be 5 days per week, subject to project requirements. Remote working will be considered after 5 months. The location of the role is...

Salary: up to £200k base + bonus Summary Tech-savvy algorithmic trading firm looking to hire a Java Developer to help develop and operate the off-exchange trading system and products. This is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to join one of the only Java teams you will find in HFT. A...

Your new company I'm looking for a Fullstack Developer with Java experience to join a well-known team on a 12-month contract. Office attendance required at least 3 days per week. During the first month, attendance is expected to be 5 days per week, subject to project requirements. Remote working will be considered after 5 months. The location of the role is...

Your new company I'm looking for a Fullstack Developer with Java experience to join a well-known team on a 12-month contract. Office attendance required at least 3 days per week. During the first month, attendance is expected to be 5 days per week, subject to project requirements. Remote working will be considered after 5 months. The location of the role is...

Job DescriptionIn order to make an application, simply read through the following job description and make sure to attach relevant documents.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...

Java Developer - Active SC, Java, Oracle WebLogic Up to £425 per day (Inside IR35) Remote 12 months My client is an instantly recognisable Consultancy who are hiring a Java Developer with Active SC Clearance (Security Cleared), Java, Oracle WebLogic and ElasticSearch skills to work with a high profile end client. Key Requirements: Demonstrable...

Your newpany I'm looking for a Fullstack Developer with Java experience to join a well-known team on a 12-month contract. Office attendance required at least 3 days per week. During the first month, attendance is expected to be 5 days per week, subject to project requirements. Remote working will be considered after 5 months. The location of the role is...

Role: Java Software Developer Location: LondonOnsite Presence: Hybrid working / 3 days in-office Industry: Financial ServicesStart Date: ASAPEnd Date: March 2026 (likely extensions)Rate: £450 via Rockford Payroll Role Overview We are looking for Java software engineers to work with our clients Market Technology organisation, tasked with building and...

Mid / Senior Java Web Engineer A leading global financial markets infrastructure client is looking to hire a talented Java Engiener on a long term contract in London (City - 3 days onsite pw) The role Join a collaborative engineering team building and enhancing a modular, end-to-end trade management platform — hands-on across backend services and web...