staff java backend developer jobs in London

Senior Software Engineer - DataHub Experience & Control Plane Description & Requirements Bloomberg runs on data. Every product, model, chart, alert, workflow, and client-facing insight depends on engineers being able to find, understand, trust, and use financial datasets at scale. DataHub is Bloomberg’s experience layer for data. What GitHub is for...

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. The organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure....

Creandum Advisor LLP is seeking a Senior Backend Engineer in London, England, to enhance Spotify’s subscription services. Join a collaborative team aiming to build scalable backend systems that power Spotify's free-to-paid experiences. The role involves designing APIs, developing services using Java and GCP, and mentoring fellow engineers.With a strong...

Company DescriptionLead IT technology and services company.Job DescriptionGreetings from Adroit People!Role - Syclo Agentry/ SMP ConsultantLocation – LondonMode of Hiring – Contract (6+ months)JD:7 to 11 years of hands-on Agentry experience including   migration of  Syclo Agentry to SMP. Should have at least performed one full e2e migration...

About The Engagement JUXT (part of of Grid Dynamics) is partnering with a Tier 1 investment bank to build a platform that automates large-scale software migration and code modernisation. The platform will enable engineering teams to evolve existing systems rapidly and safely, automating complex code transformations such as major framework upgrades,...

Contract DetailsContract duration:Initial 6-month (likely to extend!)Contract type:Inside IR35Day Rate:to be discussed with suitable candidatesCompanyJoin a well-established financial markets organisation investing in the development and modernisation of its core technology platforms. The engineering team builds and supports business-critical applications...

About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet....

Java EngineerJava Engineer | esynergy | London – HybridDo you enjoy building scalable, customer-facing applications using Java, microservices and modern cloud technologies?Role overviewWe are looking for an experienced Java Engineer to join one of our strategic programmes, where esynergy is delivering a major piece of work for a FinTech client.You'll be...

Our client is a global financial services and investment company. Senior Specialist, Full-Stack Engineer Our culture allows us to run our company better and enables employees' growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world's investible assets. Every day, our...

Job Title: Graduate Software Engineer - Backend Starting Salary: £50,000 Location: London  As an FCA-regulated firm, Elwood Technologies provides institutional investors with a seamless, end-to-end digital asset trading, execution, and risk management infrastructure connected to global markets via a single API. To support the continued growth...

**We're Hiring: Java Developer/C++ Developer (need IMMEDIATE JOINERS who can start by 6th Oct 2026)** **Location: Onsite (London)** **Type: Full-time | Permanent** **Level: Junior** **Job Summary:** We are seeking a skilled and motivated **Java Developer** to join our growing software development team. As a Java Developer, you will be responsible for...

Camunda Architect / Lead Architect (Camunda 8 Preferred)Location: London, UKWork Model: HybridEmployment Type: Full-time / Fixed Term ContractSeniority: Senior / LeadRole OverviewWe are seeking an experienced Camunda Architect to lead the design, architecture, and implementation of enterprise-grade workflow and process orchestration solutions.This role is...

Company Description Wise 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...

OverviewFull Stack Software Developer, Post - Trade – London, United KingdomWinton is a research-based investment management company with a specialist focus on statistical and mathematical inference in financial markets. The firm researches and trades quantitative investment strategies, which are implemented systematically via thousands of securities,...

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data for custom LLMs Upskilling and advisory services to spread the impact of...

We're unlocking access to the NHS, because healthcare is not truly free until it's truly accessibleThe world’s best healthcare, for free. It's not a new idea, it's called the NHS. But the largest healthcare provider is fundamentally broken. Patient satisfaction is at an all time low, and the biggest reason cited is lack of access. So we’re on a mission...

All the details Summary As part of the M&S Software Engineering team, you'll be joining a much-loved iconic brand at a pivotal stage of its digital transformation. We're looking for a Staff Engineer to provide technical leadership across our Food Service Technology team, shaping the future of Scan & Shop, Digital Café and in-store hospitality technology...

Contract: 12 monthsRate: Up to £550 per day inside IR35We are looking for a highly experienced Senior Java Engineer to join a major financial services organisation, working on highly scalable, mission-critical platforms supporting real-time data processing and distributed systems.Key ResponsibilitiesDesign, develop and optimise highly scalable distributed...

The OpportunityJoin Attest at a pivotal moment: we're transforming how the world's leading brands discover and act on consumer insights. As a Senior Software Engineer on the Measure squad, you'll help grow and evolve Attest Measure, our quantitative survey platform that gives brands robust, at-scale consumer research — from survey design and fielding...

Join Axon and be a Force for Good. At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and...