Jobs for backend developer java spring at London

**Who We Are** 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. As democracies, we believe we have a special responsibility to be thoughtful about the development and deployment of...

Senior Java Architect | Banking, Payments & AI Engineering Location: London (Hybrid)Role Type: Contract Rate: Up to £600 a day (Outside IR35) We're seeking an experienced Java Architect to play a key role in a major banking transformation programme, helping to deliver enterprise-scale banking and payments platforms with a focus on cross-border banking...

Role - Java Kotlin Developer Location - Burgess Hill, UK (3 days hybrid) Type - Contract (Inside IR35) or Fixed Term for 1 year Rate - 300 GBP/Day or 72K GBP/Annum **Job Description:** **Key Responsibilities** - Design, develop, test, and maintain applications using **Java and Kotlin** . - Build clean, scalable, maintainable, and high-performance...

Job TitleJava Engineer: IG PrimeJob DescriptionAbout IG Group IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for the people who work here is real:...

As a Lead Software Engineer at JPMorganChase within Digital Markets Execution Technology, Execute, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, you are responsible for conducting critical technology...

hackajob is partnering directly with BlackRock to hire for this role.Are you the right applicant for this opportunity Find out by reading through the role overview below.About this roleBusiness OverviewBlackRock Global Markets (BGM) functions are at the core of BlackRocks markets and investments platform, including Index Investments, Markets, Liquidity &...

Core Java Developer– JVM, Multithreading, TDD, SpringQuant Capital is urgently looking for a Core Java Developer to join our high profile client.Our client is a well known high frequency low latency trading platform provider. No experience of finance is needed.The Java developer will be responsible for product development and client projects through in...

**Company Description** Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Version 1 has several strategic technology partners including Microsoft, AWS, Oracle, Red Hat, OutSystems and Snowflake. We’re also an award-winning employer reflecting how...

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...

Role Overview:We are looking for a strong backend Software Engineer to join the Spacetime team and help build the next generation of our platform: orchestration of 5G Non-Terrestrial Networks (NTN) and Direct-to-Cell services, and coordination between satellite operators and terrestrial mobile networks through 3GPP- and O-RAN-aligned interfaces.Spacetime...

Guidewire Technical LeadJob Location: LondonSubmit your CV and any additional required information after you have read this description by clicking on the application button.About the Job you are considering:We are seeking an experienced Guidewire Tech Lead to drive the design, develop implementation, and enhancement of Guidewire ClaimCenter, PolicyCenter,...

Join Pigment: The AI Platform Redefining Business Planning   Pigment is the AI powered business planning and performance management platform built for agility and scale. We connect people, data, and processes in one intuitive, feature-rich solution, empowering every team—from Finance to HR—to build, adapt, and align strategic plans in real...

Senior Full Stack Engineer | Java/Kotlin + Modern Frontend | Global Travel TechHybrid 2-3 days London£90,000Find out more about this role by reading the information below, then apply to be considered.We're hiring a Senior Full Stack Engineer for a world-leading travel technology platform used by millions of people globally. You'll own projects end-to-end...

Senior Java EngineerDo you have the right skills and experience for this role Read on to find out, and make your application.£60,000 - 75,000 GBPBonus, Pension, BenefitsRemote WORKING Type: PermanentSenior Java EngineerPayments TechnologyLocation: UK Wide / Primarily Remote WorkingSalary: Up to £75,000 + Benefits PackageAbout the RoleWe're working with a...

I'm hiring Senior Specialist Java Fullstack Developers and VP-level engineers to join an elite engineering team at one of the world's leading financial institutions.The team is building a flagship greenfield platform from the ground up, giving you the opportunity to work on critical technology in an environment where engineering quality genuinely...

Senior Java Architect | Banking, Payments & AI EngineeringLocation: London (Hybrid)Role Type: Contract Rate: Up to £600 a day (Outside IR35)We're seeking an experienced Java Architect to play a key role in a major banking transformation programme, helping to deliver enterprise-scale banking and payments platforms with a focus on cross-border banking...

DescriptionBe an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Lead Software Engineer at JPMorganChase within Digital Markets Execution Technology, Execute, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading...

Engineering Graduate Programme (Backend) **Programme start date: September 2027** **Please review all the graduate programme opportunities and make** **one application.** Do you have a passion for technology? Do you want to make a difference, delivering software used by some of the biggest companies in the world? Do you love working with others in a...

Company DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 million users, Depop is on a mission to make fashion circular, redefining fashion consumption. Founded in 2011, the company is headquartered in London, with offices in New York and...

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