staff java backend developer jobs in London

DescriptionFlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world’s largest, most complex and demanding capital markets firms, we develop the flexible tools, technology and innovation that deliver our...

Job Title: Mid-Level Java Developer – Java / Kafka / Full Stack Location: London UK Experience: Min 5+ Years of Professional experience across JAVA Full Stack Engineering space. Work type: Hybrid, 3 days/Week, Onsite is mandatory. Role Overview We are looking for a Mid-Level Java Developer with strong hands-on experience across Java, Kafka and full-stack...

About ICE Services ICE Services is a music technology company built by rightsholders, for rightsholders. We simplify the complexities of the music royalty chain through an innovative suite of licensing, processing, and copyright services, enabling our customers to accurately and efficiently compensate songwriters and composers for the use of their...

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 services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life...

Our Global Structure the company is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Staff Software EngineerJoin us in our mission to transform...

FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex and demanding capital markets firms, we develop the flexible tools, technology and innovation that deliver our clients a...

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

Staff Test Engineer – Quality Engineering Why join us We’re a 150+ year-old business that operates on an incredible scale. There’s data from our 10 million+ Nectar users, days like Black Friday that make Argos the 3rd biggest website in the UK, and supply chain integration that gets the right products to the right locations on time, every time. The...

Job Title: Blockchain / DLT Developer Location: Ipswich, London or Remote As a Blockchain Developer at MACH, you will play a central role in designing, building, and deploying distributed ledger and smart contract solutions for our financial services clients. You will work across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. A World-Changing Company Palantir builds the world’s...

Junior Quant Developer 50,000-60,000 + bonusOur client is a well known Algo Order Management and Execution Business. This role sits in the Algo development team who work on perfecting and improving clients Algorithms. My client has a flat hierarchy and this is a small team of 10.This role will give you massive exposure to Algorithm development as well as all...

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

Job DescriptionIf you would like to know a bit more about this opportunity, or are considering applying, then please read the following job information.Our client is a leading IT services and digital transformation consultancy.Company Description Our client has celebrated 30 years in business and continues to be trusted by global brands to deliver technology...

JavaScript Developer / Full Stack Engineer (JavaScript Angular) London / WFH to £90kAre you JavaScript technologist with strong Angular experience?You could be progressing your career in a hands-on, impactful, JavaScript Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly...

Citi London is hiring a Senior Blockchain Engineer for the Digital Assets Platform. You will be a hands-on backend engineer (Java Spring) focusing on scalable web applications and web3 integration, contributing to the CIDAP project within Citi's engineering network.Strong enterprise development experience and familiarity with Web3 libraries are required....

Our client is a leading IT services and digital transformation consultancy.Considering making an application for this job Check all the details in this job description, and then click on Apply. Company Description Our client has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions...

“I can be myself at work.”You are more than a job title. We want you to feel comfortable doing great work and bringing your best, authentic self to everything you do. We value your talents, traditions, and uniqueness—and we’re committed to fostering a strong sense of belonging in a respectful workplace.  We intentionally seek diverse perspectives,...

Senior Full Stack Developer Internal Title: Software Engineering Senior Consultant Location: London, UK (Hybrid - typically 1-2 days per month in office) Contract: Permanent, Full-time Package (perm): £70,000 - £85,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, platform, and solutions engineering...

Zühlke Engineering Vietnam LLC. is seeking a Senior Fullstack Developer to join a high-performing engineering squad in London or Manchester.You will work on backend-led services using Kotlin or Java 17+, building APIs and event-driven flows, and contribute to modern web interfaces with React and TypeScript. The role emphasizes AI-augmented engineering and...

Join to apply for the Software Engineer - Backend role at Helsing. Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership so that open societies can continue to make sovereign decisions and control their ethical standards. The role At Helsing we develop and deliver AI-based capabilities and the...