101 to 125 of 130 Full Stack Java Developer Jobs in London

Reference #339171BRCityLondonJob TypeFull Time Your role• We are seeking an experienced candidate to join our Cash Equities CRB Quantitative Developer team within UBS Global Markets• This is a fast paced and collaborative team that are responsible for the development and enhancement of the best-in-class Cash Equities … production multiple times per day• The team is known for being collaborative and diverse, with a mandate to deliver meaningful changeYour expertise• Advanced Java programming skills including approaches to low-latency Java like lock free data structures and low-garbage programming techniques.• Proven experience in designing ...

DevOps Engineer, you’ll be a hands-on technical leader, guiding the design and implementation of modern DevOps and platform engineering practices:Automate full-stack infrastructure using Terraform and GitLabLead the design of CI/CD pipelines with GitLab CI to enable fast, secure, and reliable … guide DevOps engineers, fostering a culture of continuous improvement, automation, security and operational excellenceEvaluate and implement new technologies to enhance platform capabilities and developer experienceWHAT YOU'LL BRINGDemonstrable AWS and Kubernetes (EKS) expertiseHands-on experience with Terraform, GitLab CI and Bash/PythonOrchestration and monitoring tools – Istio, Datadog ...

## Blockchain Software Developer - Digital Assets PlatformApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26983955**26983955 Blockchain Software Developer - Digital Assets Platform (Open)****Discover your future at Citi**Working at Citi is far more than just a job. … Blockchain Web3 Engineer** to join the **Citi Integrated Digital Assets Platform (CIDAP)** engineering team. This is a hands-on engineering role for a developer who is deeply enthusiastic about the intersection of decentralized technologies and institutional finance.The successful candidate will contribute to the design, development, and deployment ...

98718014192Posted: 2026-08-03Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: Citi26983955 Blockchain Software Developer - Digital Assets Platform (Open)Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than … Blockchain Web3 Engineer to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a developer who is deeply enthusiastic about the intersection of decentralized technologies and institutional finance.The successful candidate will contribute to the design, development, and deployment ...

Senior C# Developer/Software Engineer (C# .Net AWS) London to 90kAre you a technologist who enjoys contributing to technical discussions and using the best tool for the job You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks … benefits.As a Senior C# Developer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages ...

Posted: 4 August 2026Recruiter: Nexus Jobs LimitedLocation: LondonRemote Working: Some remote working possibleSalary: 80,000 to 100,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: cv@nexusjobs.comTelephone: 020 7488 6900Apply for this job nowJob DescriptionSite Reliability Engineer with PythonOur Client looking to bring on a site … build new internal workflows including ongoing infrastructure needs, testing, failover mitigations, and moreDebug complex problems across our entire web and mobile application stack and advise key stakeholders on solutions, as well as implement said solutions if appropriate.Further our internal CI/CD processes to improve release cadence ...

## Lead Web3 Engineer - Digital Assets PlatformApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26983950**26983950 Lead Web3 Engineer - Digital Assets Platform****Discover your future at Citi**Working at Citi is far more than just a job. A career with us means … real impact.**Job Overview**An **Digital Assets Platform Web3 Engineer** must be a highly motivated and proactive hands-on software engineer (**Back End, Java Focus**), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing ...

real impact. Job Overview An Digital Assets Platform Web3 Engineer must be a highly motivated and proactive hands‐on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing … build our Citi Integrated Digital Assets Platform (CIDAP). The ideal candidate will be a self‐driven, proactive, strong enterprise developer and resourceful team player who can comfortably work with a large team of highly motivated individuals within Citi’s larger softwzare engineering network. We are looking ...

real impact. Job Overview FX Client Platforms - Senior UI Software Engineer (Vice President) About the Role We are seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover the full software development lifecycle — analysis, design … Drive AI integration within the development lifecycle — including AI-assisted coding, automated test generation, and intelligent monitoring Influence performance engineering across the UI stack: profiling, rendering optimisation, bundle analysis, and low-latency data delivery Contribute and influence architecture decisions for large-scale front-end systems, including monorepo governance ...

Client Platforms - Senior UI Software Engineer (Vice President) About the Role We are seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover the full software development lifecycle — analysis, design, implementation, and testing — while providing … Drive AI integration within the development lifecycle — including AI-assisted coding, automated test generation, and intelligent monitoring Influence performance engineering across the UI stack: profiling, rendering optimisation, bundle analysis, and low-latency data delivery Contribute and influence architecture decisions for large-scale front-end systems, including monorepo governance ...

make a real impact.Job OverviewAn Digital Assets Platform Web3 Engineer must be a highly motivated and proactive hands-on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing … build our Citi Integrated Digital Assets Platform (CIDAP). The ideal candidate will be a self-driven, proactive, strong enterprise developer and resourceful team player who can comfortably work with a large team of highly motivated individuals within Citi’s larger softwzare engineering network.We are looking for candidates ...

Software Engineer (Backend) Job type: Full Time · Department: Technology · Work type: Hybrid · USD 150,000-200,000/year London, England, United Kingdom; New York, New York, United States About Lorum Global payments are not broken. Incentives are. Clearing has been deprioritized inside balance sheet driven institutions whose … allow clients to open named customer accounts in every market we operate, collecting funds and paying out through a single network while retaining full ownership of their customer relationships. Market expansion becomes as simple as one correspondent relationship, not hundreds. Why Lorum Joining Lorum means contributing ...

Staff Software Engineer, Platform (Enterprise) London | Full-time | On-site TL;DR We're looking for a Staff Software Engineer to help define the future of Lovable Enterprise. Some of the world's largest companies are already building with Lovable. Now we're building the platform that allows … without slowing product development? How do you build a platform that works seamlessly across AWS, Azure, and Google Cloud without compromising security or developer experience? Those are the kinds of problems you'll solve. You'll define the technical direction for the platform that powers Lovable Enterprise—from ...

offers you fast-track career development opportunities, as well as the opportunity to explore new and cutting-edge technologies. This role supports the full life cycle of software development and includes the opportunity for hands-on coding. Can you see yourself playing a crucial role in supporting … deliver a high-quality end product to our clients We work with a wide range of different technologies including Scala, .Net, C #, Java, Salesforce, SharePoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, Azure DevOps and Octopus. We always use the most suitable, and preferably the latest, technology ...

anything from bare-metal optimisation to high-level application logic. You could go deep in systems programming on one project, then own the full lifecycle of an internal tool that transforms how the team works. Throughout it all, you will rely on data analysis. We are an evidence … Solutions: Next generation of TradFi built on distributed ledger technology. Internal Tooling: A platform for coding challenges, and other tools that improve developer experience. Who this is for If you value depth over brand names, if you want real responsibility rather than tickets in a queue ...

Software Engineer/Developer (C# .Net Low Latency) London to 90kAre you a technologist who enjoys contributing to technical discussions and using the best tool for the job You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks … C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day.You'll work across the full development lifecycle, from requirements and design through to production, providing subject matter expertise on the .Net stack and contributing to technical design ...

team and clients better understand outcomes and identify ways to improve future optimisation runs through adjustments to inputs, parameters, and workflows. Our technology stack is centred on Python on the backend, with extensive use of AWS services, and React on the frontend. Data is managed across PostgreSQL … post-trade systems, and familiarity with standards such as MarkitWire, FpML, or FIX protocol Familiarity building data-intensive applications, including use of PyData stack Strong problem-solving, communication, and collaboration skills Familiarity with Unix/Linux, Git, and SQL Desirable Knowledge of financial derivatives, clearing and the basics ...

enterprise products. AI Governance & Security: Establish secure guardrails, data privacy controls, and ethical compliance standards for AI consumption within a highly regulated environment. Developer Productivity: Champion the adoption of AI-driven engineering tooling (e.g., AI coding assistants, automated testing generation) to enhance developer velocity and code … senior technical leader and mentor to Principal Engineers and Tech Leads across multiple engineering domains. Ensure architectural coherence across a diverse technology stack, balancing the need for enterprise standardization with the autonomy of agile delivery teams. Take ownership of technical debt management strategies and long-term platform health ...

part of the Platform Engineering Team. The team builds and maintains the core infrastructure, CI/CD pipelines, automation frameworks, and an Internal Developer Platform (IDP) to enable self-service capabilities for development teams. You will work with development and operations teams to ensure rapid delivery of high … security. In the world of AI you will create Agentic AI workflows to accelerate colleagues across product & technologyWhat you will doBuild an Internal Developer Platform (IDP) that provides self-service capabilities for provisioning environments, deploying services, and managing infrastructure.Design automated infrastructure using Shell scripting, Python/Java ...

long-term business goals and product roadmapsContinuously evaluate emerging AWS services and third-part tools to determine their viability for improving our technology stack and reducing time-to-marketGuiding technical decision-making across multiple engineering squads and cross-functional collaboration to ensure seamless integration of cloud infrastructure with … product developmentMaintaining complex, modular codebases using Terraform/AWS CDK/PulumiArchitecting internal developer platforms and enterprise-grade CI/CD frameworks that enable development teams to operate autonomously and securelyImplementing AWS cost optimisation strategies and driving optimisations to resolve systemic performance bottlenecks across microservices, databases, and network ...

Structuring, Trading, Sales, and Middle Office to deliver high-quality software solutions. You will help shape the design and evolution of our technology stack, ensuring our platform remains innovative and efficient. Your work will directly impact the way we run and grow our index business.Job Responsibilities:Lead … emerging technologiesCommunicate effectively with technical and non-technical stakeholdersRequired Qualifications, Capabilities, and Skills:Strong technical background in object-oriented or functional programming (Python, Java, C++, or C#)Willingness to become proficient and develop in PythonProven track record of delivering high-quality, well-tested solutions in a controlled environmentExcellent ...

systems powering some of the world's most recognizable brands. You'll work at the intersection of application security, AI infrastructure, and developer enablement—partnering with engineering teams to embed security into every line of code while ensuring our platform remains both powerful and trustworthy. The opportunity … build products Lead security assessments and penetration testing of the company's applications, AI services, and APIs, identifying vulnerabilities across our tech stack and working collaboratively with teams to remediate issues at scale Design and implement security controls for protecting data pipelines, model training environments, and customer-facing ...

this together!The way to thrive and shine within Engine is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, and discovering to sharing knowledge with your colleagues and making sure all processes are efficient … clients all over the world.Engine by Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear more from the team in some case studies, below, and our work with Women in Tech.Running a Backend TeamDay in the Life ...

released in the UK market.Engine by Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear more from the team in some case studies, below, and our work with Women In Tech.Day in the Life of a Software … attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. ...

About us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems.Our vision is to create autonomy that propels … work across services, interfaces, infrastructure, and integrations, looking after systems in production. We are looking for engineers who are comfortable moving across the stack to solve customer problems.You will build internal or partner-facing product features, integrate Wayve systems with OEM environments, improve our application quality, and resolve ...