976 to 1,000 of 2,140 Java Jobs in the UK

London Stock Exchange Group invites a Lead Software Engineer to design, build, and operate mission-critical FX matching platforms using C++ and Java. You will focus on low-latency, high-throughput distributed systems and own ...

Novify is recruiting a Senior Quantitative Developer to design and optimise an institutional-grade trading platform for spot and derivatives. London, UK is preferred with Amsterdam considered; salary up to £200K base plus equity, full ...

Title: Full-Stack Developer (Java & React) Location: London, UK (Hybrid - 3 Days Office/2 Days Remote) Employment Type: Permanent/Full-Time About the Role: We are seeking an experienced Full-Stack Engineer (5-7 years) to join a leading global financial institution in London. You will design, build … maintain high-performance, cloud-native applications supporting critical financial operations. Key Responsibilities: Design and deliver end-to-end applications using Java (Spring Boot) and React . Build scalable backend microservices, REST APIs, and gRPC services. Utilize Kafka for real-time event streaming and data processing. Deploy and maintain applications ...

United States Digital Space LLC is seeking a Lead Software Engineer to shape the future of payments technology. In this pivotal role, you will lead technical initiatives, foster innovation, and drive solutions that meet business ...

build secure, scalable, cloud-native solutions using modern technologies and engineering best practices. What You'll Be Doing Building and maintaining applications using Kotlin, Java and Spring Boot Developing microservices and REST APIs . Delivering solutions across AWS, Azure and GCP environments. Working with Docker, Kubernetes and CI/… focused digital services. Mentoring junior engineers and promoting engineering best practice. What We're Looking For Strong commercial experience with Kotlin . Background in Java and Spring Boot development. Experience building microservices and RESTful APIs . Exposure to AWS, Azure or GCP . Experience with Docker and Kubernetes . Knowledge ...

build secure, scalable, cloud-native solutions using modern technologies and engineering best practices. What You'll Be Doing Building and maintaining applications using Kotlin, Java and Spring Boot Developing microservices and REST APIs . Delivering solutions across AWS, Azure and GCP environments. Working with Docker, Kubernetes and CI/… focused digital services. Mentoring junior engineers and promoting engineering best practice. What We're Looking For Strong commercial experience with Kotlin . Background in Java and Spring Boot development. Experience building microservices and RESTful APIs . Exposure to AWS, Azure or GCP . Experience with Docker and Kubernetes . Knowledge ...

build secure, scalable, cloud-native solutions using modern technologies and engineering best practices. What You'll Be Doing Building and maintaining applications using Kotlin, Java and Spring Boot Developing microservices and REST APIs . Delivering solutions across AWS, Azure and GCP environments. Working with Docker, Kubernetes and CI/… focused digital services. Mentoring junior engineers and promoting engineering best practice. What We're Looking For Strong commercial experience with Kotlin . Background in Java and Spring Boot development. Experience building microservices and RESTful APIs . Exposure to AWS, Azure or GCP . Experience with Docker and Kubernetes . Knowledge ...

build secure, scalable, cloud-native solutions using modern technologies and engineering best practices. What You'll Be Doing Building and maintaining applications using Kotlin, Java and Spring Boot Developing microservices and REST APIs . Delivering solutions across AWS, Azure and GCP environments. Working with Docker, Kubernetes and CI/… focused digital services. Mentoring junior engineers and promoting engineering best practice. What We're Looking For Strong commercial experience with Kotlin . Background in Java and Spring Boot development. Experience building microservices and RESTful APIs . Exposure to AWS, Azure or GCP . Experience with Docker and Kubernetes . Knowledge ...

build secure, scalable, cloud-native solutions using modern technologies and engineering best practices. What You'll Be Doing Building and maintaining applications using Kotlin, Java and Spring Boot Developing microservices and REST APIs . Delivering solutions across AWS, Azure and GCP environments. Working with Docker, Kubernetes and CI/… focused digital services. Mentoring junior engineers and promoting engineering best practice. What We're Looking For Strong commercial experience with Kotlin . Background in Java and Spring Boot development. Experience building microservices and RESTful APIs . Exposure to AWS, Azure or GCP . Experience with Docker and Kubernetes . Knowledge ...

responsive Front End applications primarily using Next.js and React. You will seamlessly integrate these user interfaces with a modern API-first ecosystem built on Java Spring Boot and AWS serverless technologies. Operating at SFIA Level 4, you will take on complex technical challenges, champion modern software engineering standards, and actively … using Next.js, React, and modern JavaScript/TypeScript, ensuring clean, performant, and maintainable code. API Integration: Integrate intuitive Front End interfaces with Back End Java Spring Boot microservices and AWS serverless components (such as Lambda and API Gateway). Standards & Accessibility: Ensure all digital services rigorously meet the Government Digital ...

Associates is recruiting for a Senior/Lead Software Development Engineer (Java) on a hybrid basis with 2 days in the office. You will lead the design, development and support of scalable, cloud-native Java applications within an Agile, DevOps environment. You will build microservices and APIs, work with Kafka ...

creates new opportunities for driven and skilled individuals to join one of the fastest-growing consultancies globally. Job Description We are seeking an experienced Java Technical Lead to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity … message-driven architectures Hands-on developing/coding experience using the following technologies: Frontend (JavaScript/TypeScript or Angular or React) Backend (Node.js, Java, Spring Boot, Hibernate) NFR/Non-Functional requirement understanding and experience developing applications with this in mind Strong experience with Test-Driven Development (TDD) approach, writing ...

cover multiple locations and meet latency requirements. Team is growing fast and now we are looking for a strong and motivated FX Risk Lead Java Developer.**Key Responsibilities:*** Design, develop, and maintain Java-based microservices for high-throughput application* Integrate and optimize Apache Ignite based solution: in memory data grid … reviews, and troubleshooting production issues* Document system architecture, design decisions, and development processes**What we want from you:*** Strong hands-on experience with Core Java and multithreading in high load system* Practice with JVM performance optimization and memory profiling* Familiarity with distributed systems architecture and in-memory computing concepts* Proven ...

Join us and take your career to new heights as a Lead Java Software Engineer. You’ll have the opportunity to influence major technology decisions and mentor talented engineers. We value your expertise and encourage you to push boundaries, solve complex challenges, and grow professionally. Our team thrives on collaboration … creativity, and continuous learning. Experience a supportive environment where your contributions matter. Job Summary: As a Lead Java Software Engineer in our Glasgow Technology Hub, you will guide the development of high-quality software solutions that power our business. You’ll work closely with cross-functional teams to deliver scalable ...

About the Company Essential Skills (Must Have) Strong technical troubleshooting across applications and infrastructure. Experience with logs, monitoring tools, Java, JavaScript and API/microservices debugging. Good understanding of cloud platforms (AWS). Familiarity with CI/CD pipelines and deployment workflows. Working knowledge of scripting (Python/Shell/… performance analysis. Ability to contribute to release planning and DevOps automation. Responsibilities Strong technical troubleshooting across applications and infrastructure. Experience with logs, monitoring tools, Java, JavaScript and API/microservices debugging. Good understanding of cloud platforms (AWS). Familiarity with CI/CD pipelines and deployment workflows. Working knowledge ...

IR35) – 6 month contract – London office, 5 days per week – Start: Now What You'll Be Doing Design and build scalable backend systems using Java and the JVM ecosystem Develop clean, maintainable code from product requirements using modern engineering principles Apply TDD/BDD practices and modern engineering principles Build … production issues and perform root‐cause analysis Mentor others and contribute to engineering best practices Explore and introduce new tools and technologies Tech Stack Java | Vert.x | RxJava | Groovy | Couchbase | Kafka | Azure | Kubernetes | Terraform | GitHub Actions | CI/CD pipelines What We're Looking For Strong experience with Java (8+ ...

Group (MUFG) is seeking a senior software engineer to collaborate with senior developers to design and deliver innovative technology solutions. You will work across Java, Node, REST, microservices, and cloud infrastructure (OpenShift/AWS), Kubernetes, Docker, Jenkins, and CI/CD pipelines. The role requires 5+ years of application development ...

global scale Challenge the Status Quo: Comfort in pushing the boundaries, ‘hacking’ beyond traditional solutions Language Expertise: Expertise in anyone programing language (e.g., Java, C#, C++, GO, Python, Scala, Java scripts, .Net) Builder: Experience building and deploying modern services and web applications with quality and scalability Learner: Constant drive … solutions using Cline, Claude, GitHub Copilot, Power Automate etc. Experience in Software Development with Agile and full SDLC using programming languages such as (e.g., Java, GO, Python, Scala, Java scripts, .Net) etc. Development experience in building and using Microservices with HTTP, REST, JSON. Experience with a Relational database and/ ...

standards to safeguard Citigroup, its clients, and assets. Hands‐on Development Contribute hands‐on as a primary engineer utilizing our modern tech stack: Core Java (multi‐threading, concurrency, memory optimization), CouchbaseDB, Kafka, and Apache Storm. Solve complex real‐time risk calculation requirements , handling heavy stream processing and highly concurrent data … flows. Required Experience 5–8+ years of professional application development experience , with a strong focus on enterprise Java within highly parallel, low‐latency, or distributed environments. Strong financial knowledge of FX trading, options pricing, or real‐time risk systems is highly preferred/obligatory. Proven track record as a high ...

opportunities. Help solve real‐world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. … cause analysis on production issues, drive long‐term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income ...

application development, testing, and operational stability for mission‐critical platforms Advanced in one or more programming language(s), with deep hands‐on expertise in Java (17+) , including concurrency, memory management, and object‐oriented design Demonstrated experience designing clean APIs and rollout strategies for distributed systems (including integration and backward compatibility ...

enrollment configuration editing and reporting Volume purchasing app usage and scope reporting Streamlined workflows that save time and cut down on complexity Tech Stack Java SpringBoot Python Django REST API Microservice architecture Pulsar Auth0 AWS Responsibilities Break down customer problems into work the team can execute on. Independently complete tasks ...

experience Strong software engineering fundamentals with hands-on experience across the SDLC, including system design, development, testing, release, and production support Proficiency in Python, Java, and JavaScript/TypeScript Experience building and supporting production-grade systems Experience in large-scale enterprise environments, developing, debugging, and maintaining code and data integrations ...

Role: Technical Lead - Java Location: London Area, United Kingdom (Hybrid) Employment Type: Full-time Seniority: Technical Lead Salary: 90,000 + Bonus Are you a hands-on Java Technical Lead with experience delivering AI-powered solutions at scale? We're looking for a Technical Lead - Java (AI Enabled) to drive … leverage Agentic AI, workflow orchestration, and intelligent automation to solve complex business challenges. What You'll Do Lead the design and delivery of scalable Java 17+/Spring Boot microservices Own architecture decisions, system design, and engineering standards Design resilient, high-performance APIs and distributed systems Mentor and develop engineers ...

Senior Software Engineer Java (Fixed Term Contract) When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Within your role as Senior Software Engineer (Java) , no two days will … releases and continuous improvement initiatives. Working across both backend and frontend technologies, you'll help design, develop and maintain scalable applications using technologies including Java, Spring Boot, Azure, SQL Server, TypeScript, Angular and SCSS/SASS . Ways of Working Monthly :Contribute to stakeholder demonstrations and product reviews, support ...