76 to 100 of 130 Full Stack Java Developer Jobs in London

schemas, request access, publish streams, subscribe to changes, query data, and build data‐driven applications. What’s the role? This is a senior full‐stack engineering role at the intersection of product experience, distributed systems, developer platforms, data infrastructure, and AI‐ready metadata. … safely in production. This is not only a frontend role, and it is not only a backend infrastructure role. The experience is the full journey: the UI, the APIs, the semantic model, the provisioning flow, the feedback loops, the error states, the defaults, the automation, and the reliability ...

## Senior Blockchain Engineer - Digital Assets PlatformApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26983945**26983945 Senior Blockchain Engineer - Digital Assets Platform****Discover your future at Citi**Working at Citi is far more than just a job. A career with us means … impact.**Job Overview**An **Digital Assets Platform Senior Blockchain 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 OverviewAn Digital Assets Platform Senior Blockchain 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 software engineering network.We are looking for candidates ...

Computer Science, Engineering, or a related discipline, or equivalent practical experience; advanced degree a plus.Extensive professional software development experience, with demonstrated depth in full‐stack engineering and system/application architecture.Prior experience in securities, financial services, or modern engineering-first organizations is a plusStrong proficiency … Java, Spring Boot, SQL, and the design of RESTful and streaming‐based APIs.Hands‐on experience delivering cloud‐native solutions, including microservices, containerization, and modern deployment patterns.Working knowledge of NoSQL and distributed data stores, selected and applied appropriately at scale.Experience leveraging AI‐enabled capabilities—including GenAI or ML‐driven ...

creatively to create a fast-paced, dynamic and successful work environment. About the Role They are looking for an enthusiastic and highly motivated Full Stack Developer to join their Global Development team that spans across Hong-Kong, London and New York. The team works … passion for development and demonstratable experience of working with a variety of platforms. Broad technical knowledge and excellent communication skills, credible across full technology stack. Ability to work without close supervision in a fast-paced and dynamic environment. The capacity to deal with ambiguity and change and adapt ...

Vodafone Group Plc is looking for a Lead Full Stack Developer to join their team in Greater London. The role involves designing, building, and maintaining cloud-native services that power Vodafone's next-generation Digital & IT Platform with a focus on performance, stability … security. The ideal candidate should have over 7 years of hands-on experience in development, with strong expertise in Java, Node.js, and React. Join a diverse, inclusive environment that fosters continuous learning and collaboration. #J-18808-Ljbffr ...

commerce solutions with multiple investment rounds and have offices in 5 countries. Role: We are looking for a top-notch lead back-end developer who is prominent with modern and distributed web technologies and Machine Learning algorithms. You will be responsible for developing RESTful services to handle high … trict SLAs (99.9% availability, sub-200ms latency) , and run analysis and segmentations on top of them. We are not looking for just a Java and Sprint Boot developer , but a software engineer that can turn business requirements into technical solutions, and then working products by collaborating ...

Javascript Developer – Node.jsup to 55K + 10% bonusQuant Capital is urgently looking for junior level right the way to senior level Javascript Node.JS Developer to join our rapidly growing and high profile client.My client is a luxury online fashion house based in London, they are pegged … growing ecommerce platforms in Europe and are building a new unrivalled platform and application using cutting edge open source technologies.As a Javascript Node.JS Developer you will be a part of building this new open source cloud-based application and platform.As a Javascript Node.JS Developer you MUST ...

Derivatives, Cash, Exotics and SFT products with 3800+ Trading, Sales, Middle Office users globally. Unified FITP, built on state of the art technology stack processes around 200,000 transactions daily and provides real time position , risk management capabilities. It has connectivity to 100+ electronic trading venues and 20+ … development team and continue to evolve our next-generation trading application. They would lead the efforts to transition our application to smaller services, full automated CI/CD pipelines enabling faster time to market. The successful candidate will gain valuable exposure to the Fixed Income Trading business ...

Principal Software Architect- UK Security Clearance eligibility required. Location: London, UK - Hybrid (~1-2 days per month in office/onsite) Contract: Permanent, Full-time Package: £80,000-100,000 + 10% bonus + 10% shares options + benefits About Appvia At Appvia, we help organisations modernise … enablement consultancy, delivering resilient, scalable systems that help teams move faster while maintaining quality, security, and reliability. Our work spans cloud platforms, developer experience, modern application delivery, and AI‐assisted engineering practices. We partner with customers across public and private sectors to reduce technical debt, improve engineering standards ...

Senior Java Analyst Developer/Technical Consultant London, United Kingdom Tech Stack Databases Spring Framework Ember.js NoSQL Spring Boot Docker Kubernetes React JPA JavaScript Cloud Java RabbitMQ Analyst UI HTML5 Software Technologies Software technologies such as Core Java, Spring Boot … Experience in cloud technologies including containerization (Docker, Kubernetes), databases (Relational and NoSQL), messaging systems (RabbitMQ), and repositories. Compensation Up to £100K Role type Full time #J-18808-Ljbffr ...

partner with engineering teams to ensure services are designed, delivered, and operated with reliability in mind.Job ResponsibilitiesCollaborate with development teams to enhance the developer experience, providing tools and infrastructure that support agile methodologies and continuous integration/continuous deployment.Identify problems, propose solutions, and execute software design, development, operations … technical troubleshooting.Develop secure, high-quality full stack production code, and review and debug code.Support the products you build through the full lifecycle, including production support and incident management.Collaborate with teams to understand the functional requirements of existing complex business applications.Applies knowledge of tools within ...

engineering teams to ensure services are designed, delivered, and operated with reliability in mind. Job Responsibilities Collaborate with development teams to enhance the developer experience, providing tools and infrastructure that support agile methodologies and continuous integration/continuous deployment. Identify problems, propose solutions, and execute software design, development … operations, and technical troubleshooting. Develop secure, high-quality full stack production code, and review and debug code. Support the products you build through the full lifecycle, including production support and incident management. Collaborate with teams to understand the functional requirements of existing complex business ...

that feed it.Build and evolve the foundational data infrastructure: ingestion frameworks, the event bus, feature and serving stores, the lakehouse, orchestration and the developer experience around them.Set the standard for event-sourced and streaming patterns across the company using Kafka and similar technologies, and drive consistency … data architecture decisions, the make-or-buy choices that follow, and our long-term vendor and tooling strategy for the data estate.Our Tech Stack:Our technology stack is designed to run on public cloud architectures, notably AWS and GCPDevelopment is organised around Kotlin and Python ...

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 ...

DescriptionOur development team is working on modernising the trading platform using React, Micro services, AWS technical stack while maintaining the current trading platform. We need a senior Java developer who has worked on applications which are built using AWS SaaS/PaaS platforms following … Micro services architecture. This is an opportunity for an enthusiastic software engineer to join the MarketAxess development team as a senior developer working on our trading platform. This role will be responsible for a spectrum of assignments from working on new products, system and product enhancements, and systems ...

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 .Net, C #, Java, Salesforce, Sharepoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, AzureDevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each ...

systems we build are used every day by customers, partners, Salesforce ops, and finance teams worldwide.We work across a modern, distributed stack and ship things that matter. We move fast, we own what we build end-to-end, and we care deeply about correctness because in billing … just a bug - it's a wrong invoice, an angry customer, or missed revenue.The RoleWe're looking for a Senior Software Developer who is excited about building reliable, scalable billing and commerce systems. This is a hybrid role with 2 days in our London office. You'll join ...

discipline such as: computer science, machine learning, applied statistics, mathematics, engineering or artificial intelligence7-8+ years of experience in software development, with significant full-stack web application development experience strongly preferred Experience working collaboratively with technical and non-technical team members and stakeholders Hands-on experience … willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms (Azure, AWS, GCP), including Docker ...

portals and dashboards that enable customers to interact with large‐scale risk and analytics data in real time. You will work across the stack, collaborating with machine learning and backend engineers to ensure interfaces are reliable, secure, and intuitive. The focus is on building scalable UI solutions that … interfaces Own DevOps responsibilities for front‐end services, including build pipelines, deployment, monitoring, and incident response Contribute to component libraries, design standards, and developer experience tooling Requirements 5+ years of Software Engineering experience BS Engineering/Computer Science or equivalent experience required Strong production‐grade React with experience ...

backend capabilities that power data, analytics, AI, and digital products across the organisation. You'll lead a diverse backend engineering population spanning both Java/Spring Boot and Python/FastAPI ecosystems, helping scale high-performing teams while enabling consistent engineering standards, developer productivity, and reliable … team leaders.Foster a strong engineering culture focused on collaboration, continuous improvement, accountability, and inclusion.Build Organisational CapacityOwn workforce planning and capacity management across Java and Python engineering teams.Partner with senior stakeholders to align team structures, skill mix, and hiring plans with business priorities.Ensure teams are appropriately staffed to meet ...

production and scalable across industries. Who You Are:You are a systems-minded, AI-native engineer who ships real software. You own the full stack—and are equally motivated by elegant APIs, intuitive UIs, and scalable orchestration pipelines. You think like a product-minded CTO, balancing … side with customers to adapt, deploy, and iterate in live environments Codify reusable assets—libraries, prompts, scaffolds—to accelerate future engagements Shape developer experience by sharing feedback with platform and product teams What You’ll Do:Deliver Production - readysolution in agile end-to-end sprintsEngineer with versatility: APIs ...

production and scalable across industries. Who You Are: You are a systems‐minded, AI‐native engineer who ships real software. You own the full stack—and are equally motivated by elegant APIs, intuitive UIs, and scalable orchestration pipelines. You think like a product‐minded CTO, balancing … side with customers to adapt, deploy, and iterate in live environments Codify reusable assets—libraries, prompts, scaffolds—to accelerate future engagements Shape developer experience by sharing feedback with platform and product teams What You’ll Do: Deliver Production — readysolution in agile end‐to‐end sprints Engineer with versatility ...

portals and dashboards that enable customers to interact with large‐scale risk and analytics data in real time. You will work across the stack, collaborating with machine learning and backend engineers to ensure interfaces are reliable, secure, and intuitive. The focus is on building scalable UI solutions that … well‐designed interfacesOwn DevOps responsibilities for front‐end services, including build pipelines, deployment, monitoring, and incident responseContribute to component libraries, design standards, and developer experience toolingRequirements• 5+ years of Software Engineering experience• BS Engineering/Computer Science or equivalent experience requiredStrong production‐grade React with experience delivering ...

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector—co-creating customized AI systems that … systems. Strong software-design instincts: modular code, tests, CI/CD, observability. Fluency in Python plus one systems language (C++, Rust, Go or Java). Hands-on with container orchestration and schedulers (Kubernetes/K8s, SLURM, or similar). Comfortable profiling performance, optimising I/O, and automating ...