senior java developerin jobs in London

Senior Data EngineerAre you passionate about building scalable, high-performance data-driven applications? Do you enjoy turning complex datasets into robust, reliable systems that deliver real business impact?About the teamThe Search and AI Platform supports core products such as Scopus, ScienceDirect, and AI-driven research solutions. As a Senior Data...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Senior Low Latency Rust Engineer Engineer the future of...

The Senior Software Engineer will be a key member of the Systems and Software team within the Programmes area at STS Defence, playing an active role in designing, developing, and maintaining software across the full Software Development Lifecycle; from requirements elicitation through to in-service delivery.The post will provide technical leadership on...

Overview We are seeking a highly skilled and experienced individual to join our dynamic team at Demo Co. In this position, you will play a critical role in designing, developing, and maintaining innovative software solutions that meet the needs of our clients. Key Responsibilities Collaborate with cross-functional teams to define, design, and ship new...

The project is focused on improving the security, release reliability, maintainability, and operational resilience of business-critical banking applications. Forward Deployed Engineers will conduct targeted, hands‑on engagements with development teams that are facing challenges with vulnerability remediation, automated testing, legacy technology,...

Location: Hybrid- London, England About the role and about You: Zwift is looking for a Senior Mobile Engineer for our Connected Products team. On the Connected Products team, we build Zwift hardware and own the end-to-end software to ensure that Zwifters can easily and reliably connect their peripherals to the Zwift Game. This includes connecting Zwift...

OverviewSenior Backend Engineer to join the Space and Range team at Holland & Barrett. In this role, you will help develop and enhance tools that shape how our stores are designed—from the overall layout to the placement of bays and shelves. These tools visualize store environments in 3D to provide teams with a near real-life view of the customer...

GlobalLogic is seeking a Software Engineer to join a permanent feature team, developing knowledge across platform disciplines and liaising with principal engineers to understand how the platform supports business objectives.You will design, produce, test and implement software across the lifecycle, apply Agile methods, and focus on automated build, test and...

Senior Java Developer | Front Office FX Trading | Greenfield Build Location: Central London, on-site with the client four to five days a week Salary: £130,000 to £150,000 base + bonus and benefits A dynamic technology consultancy with strong financial backing is looking for an experienced Senior Java Developer to join its team on a permanent basis, working...

Infinity Quest Limited is seeking a senior software engineer to lead backend initiatives in a cloud-first environment. You will design scalable data pipelines and own critical services from development through deployment.The role requires 10+ years of experience with Java/Spring Boot and hands-on AWS, including Lambda, ECS, Glue, and RDS. Collaboration...

Senior Rust Engineer Up to 120,000 Remote (UK OR Germany) Low Latency | Async Rust | Tokio Drones We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering team. They have avaluation exceeding 2 billion Euros. The company builds aerial intelligence hardware and software....

Clear Street is seeking a Senior Software Engineer for the Front End - Studio (Core) to help scale our modern payments platform from London. You’ll own frontend features interfacing with API-driven services, collaborate with product, design, and backend teams, and contribute to high-impact, scalable solutions in a fast-growing fintech environment.The role...

Clear Street is seeking a Senior Software Engineer for its Payments team to scale and modernise our global payments infrastructure, building reliable API-driven systems that integrate with banks and gateways and support expansion into new lines of business.You will collaborate with product, design, operations and backend engineers to deliver high-quality...

Free-Work seeks a Senior Solutions Architect to join our client’s Central London offices. You will lead complex solution designs across cloud-native platforms, microservices, API management and data integration, aligned with sales and delivery teams.The role requires hands-on architecture across Java/J2EE or .NET, AWS or Azure, DevOps, security and...

Senior Low Latency Rust Engineer – Electronic TradingLondon | Hybrid – max 3 days per week in office We are assisting with the hire of an experiencedlow-latency engineerto join a specialist team building frameworks, libraries and performance tooling used across a large global electronic trading environment. This is not a traditional BAU development role...

Senior Data EngineerAre you passionate about building scalable, high-performance data-driven applications? Do you enjoy turning complex datasets into robust, reliable systems that deliver real business impact?About the teamThe Search and AI Platform supports core products such as Scopus, ScienceDirect, and AI‑driven research solutions. As a Senior Data...

Senior Engineer - LMEsmartShift Pattern:Standard 40 Hour Week (United Kingdom)Scheduled Weekly Hours:40Corporate Grade:D - Assistant Vice PresidentReporting Line:(UK Division) Information TechnologyLocation:UK-LondonWorker Type:PermanentOverall Purpose of Role** :**LMEsmart is the LME’s Inter-Office Trading platform, responsible for trade registration,...

For more than 20 years Global Relay has set the standard and trends in compliant communications with our multi-award winning unified communications, data capture, and data analysis platform. We securely capture and manage the world’s communications data and give its owners greater control and visibility to drive value and ensure compliance with the...

Hong Kong Exchanges and Clearing Limited (HKEX) seeks a Senior Engineer for LMEsmart in London to engineer resilient Inter-Office integrations and automated testing frameworks. The role focuses on automating recovery, price-band governance, and real-time matching performance with strong Java expertise.The candidate should have 5+ years in software...

Senior DeveloperDepartment: IT & InnovationEmployment Type: Full TimeLocation: London OfficeDescriptionMenzies is an equal opportunities employer which means that we recruit, employ, train, pay, and promote regardless of race, religion, national origin, gender, sexual orientation, disability or age. We are building a first-class team and, to do so, we know...