1,176 to 1,200 of 2,297 Java Jobs in London

latest blogs or our case studies with Women in Tech. Position Overview We’re seeking highly motivated engineers with at least 5 years of Java experience to play a key role in our Payment Schemes team. You will build and maintain the systems responsible for Starling’s payment integrations ensuring … continuous deployment. If you care enough to find elegant solutions to difficult technical problems, we’d love to hear from you. Tech Stack Java (makes up the majority of our backend codebase) AWS & GCP (we're cloud-native) Distributed service-based architecture Kubernetes (EKS) TeamCity for CI/CD (lots ...

maintainable, and high‐performance solutions to both business and technical challenges. What you’ll be doing Designing and building new features and enhancements using Java 17+, Spring Boot, Elasticsearch, Kafka, Gradle, Hibernate, Couchbase, SQL, and Docker. Collaborating with cross‐functional teams and stakeholders to shape solutions and align on priorities. … junior engineers, helping to build a culture of growth, ownership, and continuous improvement. We’re looking for someone who Brings strong commercial experience with Java 17+, Spring Boot, and Kafka. Has successfully led complex projects, including coordinating work across multiple engineers. Is highly collaborative, organised, and solution‐focused in their ...

respect. Required qualifications, capabilities, and skills 5+ years of hands-on practical experience delivering system design, application development, testing, and operational stability using Python, Java, or C++. Hands-on experience with AI components, with a strong understanding and opinion of their application in modern technology stacks. Foundational understanding ...

certification on software engineering concepts and advanced applied experienceHands-on practical experience delivering system design, application development, testing, and operational stability using Python, Java, or C++Hands-on experience with AI components, with a strong understanding and opinion of their application in modern technology stacksFoundational understanding of cloud services and best ...

JAVA DEVELOPER – FINTECH STARTUP High-Growth Fintech – Asset Management SoftwareLondon (Hybrid – 2 days in office/week)Quant Capital is urgently looking for a Core Java Developer to join a innovative FinTech business developing next-generation asset management platforms for professional investors. The firm operates as a lean, high-performance … engineering team focused on solving complex industry problems through clean, scalable code and modern infrastructure. We're looking for a Java Developer who's ready to work across the stack and get deeply involved in architectural design, backend performance, and infrastructure scaling. Role OverviewThis is a hands-on software engineering ...

cloud-native microservice architecture applications leveraging the latest technologies and the best industry practices. Design, estimate costs for and implement technical solutions written in Java/Kotlin Write unit, component, integration, end-to-end & performance tests Support the products you've built through their entire life cycle, including production … incident management Required qualifications, capabilities and skills Formal training or certification on Java programming concepts and proficient advanced experience Recent hands-on professional experience as a back-end software engineer in an agile, dynamic and customer facing environment Recent experience with using a JVM language (Java/Scala/Kotlin ...

Sports betting Hedge fund – London*Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship*Job SummaryA couple of Java Developers are required for an exciting and progressive Sports betting Hedge fund Company with office in London and Leeds. You will be joining a tight … will be working closely with the quantitative researchers and alongside other extremely talented and driven engineers to build and support systematic trading models. As Java Developer you will need:1st class or or a 2:1 from Oxbridge Degree in a relevant field such as Computer Science, Engineering, Maths, Statistics ...

cloud-native microservice architecture applications leveraging the latest technologies and the best industry practices. Design, estimate costs for and implement technical solutions written in Java/Kotlin Write unit, component, integration, end-to-end & performance tests Support the products you've built through their entire life cycle, including production … authorized AI-assisted development and automation capabilities, to improve the value realized by automation. Required qualifications, capabilities and skills Formal training or certification on Java programming concepts and proficient advanced experience Recent hands-on professional experience as a back-end software engineer in an agile, dynamic and customer facing environment ...

cloud-native microservice architecture applications leveraging the latest technologies and the best industry practices. Design, estimate costs for and implement technical solutions written in Java/KotlinWrite unit, component, integration, end-to-end & performance testsSupport the products you've built through their entire life cycle, including production and incident managementLeverages … enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation. Required qualifications, capabilities and skillsFormal training or certification on Java programming concepts and proficient advanced experienceRecent hands-on professional experience as a back-end software engineer in an agile, dynamic and customer facing environmentRecent experience ...

Java is your passion, you know it like the back of your hand. The backend is where your interest lies. You think big, you don't just write the code, you think about how this code you write will make an impact. You can visualise the real world implications … each line as you programme away. You are an expert, a Java aficionado. You're well aware of the associated frameworks Java has, having put to good use the spring framework. With this you have built out applications and microservices, ideally in a financial services or banking setting. You have ...

Summary We are seeking a senior, hands-on AWS Technology Lead/Solution Architect to lead a large-scale application modernization programme, transforming legacy Java enterprise applications into scalable, secure and cloud-native AWS solutions . The role combines AWS architecture, Java engineering, serverless, containers, database architecture/DBA, DevOps … DynamoDB/Aurora PostgreSQL, CI/CD, production readiness and technical team leadership . Key Responsibilities AWS Cloud & Application Modernization Lead modernization of enterprise Java applications into AWS cloud-native, microservices and event-driven architectures . Define target architecture, modernization roadmap, transition states and technical standards. Drive API-first, Domain ...

Java Engineer Small Hedge Fund90k, 30% Bonus, 3 days a week in the office. Quant Capital is urgently looking for a Software Engineer with Java and Python skills to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource … identify issues in development or UAT and keep production safe. You will gain considerable knowledge of the trading and asset management space. The Java Engineer Must have:· 2:1 Computer Science from a Red Brick UK or EU University· 3 years software development experience in a small firm environment· Strong ...

Citi London is seeking a Senior Blockchain Engineer to join the Digital Assets Platform. You will build backend enterprise web applications using Java and spring, with a focus on web3 and CIDAP. You will collaborate across global teams and contribute to scalable, secure software in production. Ideal candidates have strong ...

issuing, and accounting integrations. You will own features end-to-end, collaborate with global teams, and champion code quality, testing, and monitoring. Expertise in Java/Spring, distributed systems, and cloud platforms is essential. #J-18808-Ljbffr ...

integrity, security, and performance across the data lifecycle. Location: Remote. The ideal candidate has 7+ years in data engineering, strong SQL and Python/Java skills, and experience with data lakes, ETL, and Power BI to deliver insightful visualizations for stakeholders. #J-18808-Ljbffr ...

will lead PoCs, demos, and customer workshops while guiding engineering teams through deployment and scale. The role requires a full-stack architect with React, Java SpringBoot, AWS, and GenAI expertise (Bedrock, Strands SDK, Agentcore) and travel across Europe. #J-18808-Ljbffr ...

other Azure AI services to build scalable models addressing business challenges and enabling informed decision-making. The role requires strong programming skills (Python, C#, Java) and extensive experience with Azure AI tools, Databricks, Data Lake, DevOps, and MLOps. #J-18808-Ljbffr ...

Wise in London is seeking a Senior Software Engineer II for the FinCrime - Scam Prevention Team. You will own end-to-end delivery, applying Java and Spring to scale defenses against fraud and protect customer funds. The role balances backend work (80%) and frontend (20%), with an emphasis on quality ...

shape scalable and reliable systems across cloud infrastructures, CI/CD pipelines, and hosting environments. You’ll work on automation and tooling using Python, Java/Groovy, Go, and Terraform to support business-critical platforms. You’ll lead engineering best practices, improve deployment processes, and mentor teammates while collaborating across ...

seeking a Senior Software Engineer to build critical bank integrations for their Banking Connectivity platform. The successful candidate will work on backend systems using Java and engage in ensuring reliable data flows across financial institutions. This role offers a competitive salary with comprehensive benefits covering healthcare and family support, along ...

London seeks a Lead Software Engineer to join a high-performance team transforming portfolio construction and quant research technology. Expert in Python or Java, you will contribute to an industry-leading platform and collaborate with experienced technologists. You will apply deep software engineering expertise across the lifecycle, mentor teammates ...

build custom web and backend solutions for enterprise clients in London. You will work with React, TypeScript, Node.js, Python, Go and/or Java in a Scrum environment with one-week sprints and peer reviews. The role emphasizes collaboration with Designers and Project Management, delivering end-to-end solutions ...

data ingestion APIs to improve performance and usability for customers. The role requires 5+ years of production-grade software experience, proficiency in Kotlin/Java/Go, and hands-on work with Kafka, Spark/Beam, and cloud warehouses. #J-18808-Ljbffr ...

representation in front, middle, and back office systems. The candidate will produce functional specifications, collaborate with partners, and contribute to an agile team using Java, Spring, Kafka, Oracle DB, and React. Prior experience with trading, FX, and commodity products is preferred. #J-18808-Ljbffr ...

frameworks, integrate tests into CI/CD, and collaborate with developers and stakeholders to raise quality and accelerate delivery. Experience with Selenium, Python/Java, and CI/CD tooling is valued to drive continuous improvement and scalable testing. #J-18808-Ljbffr ...