1 to 25 of 30 Java Engineer Jobs in London

Senior Java Engineer Spring Boot/PostgreSQL/AWS - Remote - £60,000 - HealthTech My client is an established UK-based HealthTech organisation and are looking for a Senior Java Engineer to build new product. This is a hands-on role, in an environment where Senior Developers … review it with the team, and help get it safely into production. What you’ll be doing Building new features on a live Java/Spring Boot SaaS platform, working with product, design and clinical colleagues Designing REST APIs, domain models and PostgreSQL schemas Writing clean, well-tested code ...

Java Engineer - Market Data - LSEG/RTSDK Migration Permanent London - Hybrid 3 days per week Salary - £85K - £110K We are seeking an experienced Java Engineer with strong market data and electronic trading experience to support the modernisation of a Futures algorithmic trading platform. The role will … existing RFA market data usage and map functionality to RTSDK. * Assess differences in market data fields and behaviour across relevant exchanges. * Develop enhancements to Java applications and shared frameworks to support RTSDK. * Support a phased migration while maintaining compatibility and system stability. * Develop and execute automated, regression and integration ...

consultative approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role: We are seeking an experienced Java Engineer to join our engineering team and play a key role in designing, developing, and maintaining scalable, high-performance applications. The ideal candidate … will have strong expertise in Java-based enterprise systems, cloud-native development, and modern software engineering practices. Experience with Artificial Intelligence (AI) technologies and AI-enabled applications is highly desirable. RequirementsKey Responsibilities: Design, develop, test, and maintain enterprise-grade Java applications. Assist with technical design discussions and contribute ...

Role: Senior Java Engineer – Payments (ICON IPF)Career Level: Associate ManagerLocation: Dublin or LondonAccenture: Your Unique Place in our Global Collective! Being part of Industry & Enterprise means becoming an expert at making the New Happen Now. To us, the New is all about the pivot that turns constant … industry standard methodologies working with more than three-quarters of the Fortune Global 500 across 40+ industries in 120+ countries. Role OverviewExperienced Senior Java Engineer with hands on experience of the ICON IPF Payments framework to support the delivery of large‐scale payment systems. This role involves hands ...

Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices … optimize application and integration performance. Skills Must have Core Engineering 8+ years of software engineering experience, ideally within Financial Services. Strong expertise in Java, Spring Boot, REST APIs, and distributed systems. Experience with Kafka, IBM MQ, or similar messaging technologies. Strong integration experience with Loan IQ, lending, banking ...

Senior Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £70k Are you a 'mathematically minded', senior hands-on Software Engineer looking for an opportunity to work on complex and interesting systems? You could be joining a global geoscience technology company within oil and gas exploration. … Senior Software Engineer you'll join a supportive Agile team responsible for the company's highly complex desktop oil discovery product. You'll gain exposure to the full software development lifecycle working on new features and enhancements as well as maintaining existing applications. Location/ ...

Backend Software Engineer/Developer (Java) Newcastle onsite to 120kDo you have expertise with backend Java development within finance/trading environments You could be progressing your career in a senior, hands-on Java Developer role at a scaling FinTech.As a Backend Software Engineer you'll play a key role in a new client engagement to transform a highly complex C++ legacy trading system into a modern Java based application. You'll collaborate with Front Office trading teams as well as other highly skilled software engineers and product teams to deliver robust ...

Senior Java Full Stack Engineer Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Bristol, Manchester or Glasgow Overview We're looking … Senior Java Full Stack Engineer with strong backend and frontend development experience, alongside proven experience leading teams, managing stakeholders and working directly with clients You'll play a key role in delivering innovative digital solutions for enterprise clients, providing both strong technical leadership and hands-on development expertise. ...

Position: Java Low Latency Engineer Location: London, UK (Hybrid-3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal … candidate will have experience building event-driven, concurrent systems designed for low-latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge of Data Structures and Algorithms. Experience with concurrency, multithreading, and low-latency system design. Knowledge of GC, JNI, Java ...

passionate and committed individuals who want to kickstart a career in technology! You must be willing to complete full-time training in our Java Automation Engineer programme and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan … will be reviewed accordingly, aligning to availability and requirements ensuring we can match the right candidates to the right roles. We are seeking Junior Java Automation Test Engineer, Technical Consultants to join our team: Automation Testing is at the core of defining, developing and testing products for businesses ...

looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate … About You Professional knowledge and experience Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , Spring Boot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some ...

Senior Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £70k Are you a 'mathematically minded', senior hands-on Software Engineer looking for an opportunity to work on complex and interesting systems? You could be joining a global geoscience technology company within oil and gas exploration ...

approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. RequirementsKey Responsibilities Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with … quality standards Work with cloud platforms to deploy AI-powered services Contribute to architecture decisions and technical roadmaps Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with ...

difference. Find out more about the daily tasks, overall responsibilities, and required experience for this opportunity by scrolling down now. As a Lead Software Engineer, you'll play a key role in designing and developing high-quality software solutions, providing technical leadership and supporting a team of engineers … combine hands-on development with mentoring, architectural decision-making and driving engineering best practice. This is an excellent opportunity for an experienced engineer who enjoys leading from the front, working collaboratively and contributing to impactful public sector digital transformation projects. Key Responsibilities Lead the design, development and delivery ...

join an experienced group of software engineers responsible for the frameworks, platforms and tools that help secure Avaloq’s technology landscape.As a Senior Software Engineer in the Security Assurance team, you will build and enhance the automation and tooling that embeds security throughout the software development lifecycle. Working across … Infrastructure (OCI).Collaborate with engineering and technology teams to resolve security issues and continuously improve secure software development practices.QualificationsProven experience as a Senior Software Engineer, with hands-on expertise in several of the following: Java/Spring Boot, Python, JavaScript/TypeScript, Gradle, Jenkins/Groovy, REST APIs ...

delivering powerful, elegant and intuitive trading technology solutions, and we value technical pragmatism, collaboration, and clear communication. We're looking for a Senior Java/Systems Engineer with significant experience in Platform Exchange Systems to design, deliver, and optimise production-ready, high-performance, low-latency technology using Aeron. … hands-on engineer who enjoys designing and optimising low-latency Java services and protocols across the full delivery lifecycle. Someone with genuine experience building Matching Engines and Platform Exchange Systems. Driven by evidence-based engineering, automated testing, benchmarking, and profiling rather than guesswork. A clear, confident communicator ...

stability issues are successfully resolved.What You Bring:You have a deep background in distributed systems and consensus algorithms.You have strong skills in core Java and are conversant in the standard library of data structures and concurrency constructs, as well as newer language features.You have a deep technical proficiency ...

Title: Senior Software Engineer, Prime TechnologyCorporate Title: Vice PresidentDepartment: Information Technology - Global Markets IT (GMIT)Location: London (Hybrid)Company overviewNomura is a financial services group with an integrated global network. By connecting markets East & West, we service the needs of individuals, institutions, corporates and governments through our four business … identify, escalate and manage technical and delivery risks across the platform. Skills, experience, qualifications and knowledge required: Extensive hands-on software development experience in Java, with a strong track record of delivering complex systems at scale. Deep expertise in automated testing methodologies, including embedding test automation and TDD practices ...

more about our tools, tech and people, head to our tech blog. What you'll be doingDesigning and building new features and enhancements using Java 21+, Spring Boot, Elasticsearch, Kafka, Gradle, Hibernate, Couchbase, SQL, and Docker. Collaborating with cross-functional teams and stakeholders to shape solutions and align … supporting junior engineers, helping to build a culture of growth, ownership, and continuous improvement. We're looking for someone whoBrings strong commercial experience with Java 21+, Spring Boot, and Kafka. Has successfully led complex projects, including coordinating work across multiple engineers. Is highly collaborative, organised, and solution-focused ...

work across teams do great things here at Starling, to continue changing banking for good.RequirementsWe're seeking a highly motivated and experienced engineer to play a key role in our Customer Service Engineering Group. You should have a strong understanding of delivering robust and scalable code, applying best practices … aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, and though we are looking for someone with at least 7 years of commercial experience with Java, you need not be an expert ...

risk, reduce false alerts, and avoid unnecessary friction for legitimate customers. What will you be working on? AML Squad is looking for an experienced Engineer to help shape how Wise detects money laundering and terrorist financing risk. You will own large, impactful projects and their technical roadmaps. You will … Improve reliability, security, and technical quality. Mentor engineers and share knowledge across the team. The technology you'll work withOur primary technology stack is Java, Spring Boot, and Kafka. You'll work with distributed services, asynchronous processing and data at scale. We design for scalability, observability, privacy, security, reliability ...

money. For everyone, everywhere. More about our mission and what we offer. Job DescriptionAbout the role: Join us as a Senior Full-Stack Engineer in our critical Account Integrity team. This is a high-impact engineering role with a strong product focus, dedicated to solving complex, real-world adversarial … detection capabilitiesYou will be delivering a tangible, real-world impact by securing customers' money, accelerating product growth by raising automation levels, and helping us engineer a world-class money transfer product. What do you need? Engineering Expertise: Professional experience with Java or other JVM-based languages, including ...

world's money. For everyone, everywhere. More about our mission and what we offer . We are looking for a Senior Backend Engineer to join the Account Sharing team within Wise’s Consumer Squad . The team is focused on building entirely new products in the shared finances space … build scalable distributed systems and deliver customer-facing products used by millions of users. You are proficient in backend programming languages such as Java, Kotlin, Python, or Go . You have strong experience designing asynchronous, reliable, and scalable systems within microservice architectures . You are comfortable working in greenfield ...

Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work on distributed … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. ...

Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work on distributed … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. ...