151 to 175 of 212 Java Jobs in London

Full Stack Software Engineer React Typescript Java Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full … Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £85- £125,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily Front end React/typescript node.JS focused with a java base This ...

Actions (CI/CD) Vue.js (optional frontend involvement) Requirements 2+ years’ experience as a Data Engineer or Backend Engineer Proficiency in Python Experience with Java server side/UI components Strong problem-solving skills and the ability to work independently Experience in a start-up or high-growth environment ...

with DevOps and Agile methodologies and associated toolsets and practices, including CI/CD and Jenkins. Desirable Skills/Knowledge/Experience Option 1: Java-Based Skills Java skill set. Strong foundation in Java, including OOP and functional programming (Java 8+). Familiarity with Spring Boot annotations, configuration ...

Mercator Digital is seeking a skilled Java Developer to join its growing consultancy team, supporting digital transformation projects across the public and private sectors. Youll work in collaborative agile teams, delivering high-quality, sustainable software solutions. Key Responsibilities & Requirements Strong Java development experience with a proven track record of delivering ...

native future. You will be responsible for the strategic migration from on-premise data centres to AWS , shifting from Oracle to PostgreSQL , and evolving Java EE/EJB environments into modern Spring microservices. Technical Technical Requirements To succeed in this role, you will need a deep background in enterprise-scale … migrations: Java Modernisation: Extensive experience migrating legacy Java (EE/EJB) to modern versions (Spring/Java 11). Data & Cloud Transition: Proven track record of moving workloads from Oracle (PL/SQL) to PostgreSQL and migrating from physical Data Centres to AWS. Legacy OS Knowledge: Comfortable navigating environments across ...

agnostic by design, focusing on choosing the right tools for each problem, rather than forcing one stack everywhere. Their teams regularly work with .NET, Java, Python, Node.js, AWS and Azure, giving you genuine scope to broaden your skills and develop your career across a range of languages and platforms. Many … analysis and data-driven decision making. Skills and Experience: Essential 3+ years' experience in a Full Stack Engineering role Strong development skills in .NET, Java or Python, alongside modern JavaScript frameworks/libraries Experience working in Agile environments (Scrum, Kanban, TDD) Solid understanding of architectural and design patterns, including microservices ...

working with a consultancy feeding into the public sector looking for 2x junior Java developers. Immediate start 6 month contract (SOW for 2.5 years) Inside IR35 Remote £300 per day Around 2 years of experience Stack; AWS, Java, Gitlab, Docker, EKS (Containerisation), Lambda, SQS, S3, EC2, CI/ ...

security controls. Deep understanding of secure and resilient system design, including authentication patterns, threat modelling, performance considerations, and observability. Familiarity with Ruby, Python, or Java, and modern development practices such as CI/CD, TDD, and containerization. Experience guiding technology decisions, evaluating options, and influencing senior stakeholders. Strong understanding … modern cloud-native services and legacy enterprise platforms. Exposure to some of the following areas would be beneficial: Modern languages and frameworks including Ruby, Java, and Python AWS cloud services, Infrastructure as Code, platform as a service tooling Engineering practices such as DDD, TDD, CI/CD, automated testing ...

Full Stack Engineer to join their team on a permanent basis. The ideal candidate will possess extensive experience in developing robust web applications using Java (Spring Boot), HTML, CSS, and JavaScript/TypeScript. This role offers an exciting opportunity to work on innovative projects, collaborate with a dynamic team ...

Title - Java Developer with Flink Experience - 8+ Years Location - London, UK Job Description - Strong experience building and operating production Apache Flink applications (event-time concepts, windows/watermarks, state, checkpointing and fault tolerance). ● Hands-on AWS experience operating streaming/data workloads (IAM, networking/VPC basics, deployment, observability … incident troubleshooting). ● Experience integrating Flink with Kafka (including AWS MSK) and cloud services/storage (e.g., S3). ● Highly proficient in Java and Python (production experience required). ● Strong software engineering fundamentals: clean, maintainable code; pragmatic testing; effective code review. ● Comfort mentoring/pairing with engineers to up-skill ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

take concepts and ideas into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: Ag-Grid and GraphQL Golang Java Role: Lead React Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds … multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL and Playwright. This all sits on Golang, Kafka, Java and AWS, which the other developers will be building. Although, any Back End experience would be advantageous. You need experience building trading systems but it does ...

exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer tooling. You’ll work closely with … will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience for the Java Software Engineer includes: Desktop application development, ideally with Java UI frameworks, e.g. JavaFX, Swing, Qt Object-oriented design and development Multithreaded development Desired: build automation ...

reviews Comfortable taking projects from initial concept through to delivery Analytical thinker who can decompose challenges and deliver iterative value Preferred Background Experience using Java, C++, or Python Understanding of data-intensive systems, backend services, or cloud-based platforms Familiarity with regulated, high-security, or mission-critical development contexts Confidence ...

Role: Software Engineer (Java) Level: Associate Manager and Specialist Location: London, Bristol, Manchester and Birmingham Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including ...

disciplinary development teams for large-scale digital transformation programmes. Skills and Experience: Extensive experience leading Full Stack Engineering teams with advanced capabilities in .NET, Java, or Python, along with exposure to modern JavaScript frameworks. Proven track record mentoring engineers and elevating delivery quality through structured coaching. Strong client-facing acumen … engineering agenda for large-scale digital transformation programmes Operating in a technology-agnostic environment you will leverage a broad modern tech stack across .NET, Java, Python, Node.js, AWS, Azure and contemporary JavaScript frameworks Provide coaching and leadership, supporting the long-term development of engineers across the business Applications: Please contact ...

clearance held at the point of application Experience defining data strategy, data migration, and data integration approaches Hands-on experience when required using Java, Scala, or Python Strong experience with big data technologies Experience designing architectures on Microsoft Azure Experience with both open-source and vendor data platforms Strong understanding … architectural methodologies and design principles Experience designing microservices-based architectures Strong data modelling experience Understanding of non-functional design drivers Strong background in Java and RESTful services, including solution design and code review Consultancy & Communication Skills As a Data Architect , you will also be expected to: Communicate complex technical concepts ...

months (extension likely) Working Model: Hybrid Level: Senior/VP-equivalent individual contributor Overview A leading global financial services organisation is seeking a Senior Java Developer (Contract) to join its Electronic Fixed Income (eFI) Technology team click apply for full job details ...

Principal/Senior Java Engineer – Ultra Low Latency Trading Systems Location: London (Hybrid) The Opportunity A leading global quantitative trading firm is seeking an exceptional Java Engineer to join one of the highest-performing engineering teams in systematic trading. This firm operates at the forefront of low-latency technology, where … hardware level, and partnering closely with quantitative researchers to deliver production-grade trading platforms. Key Responsibilities Design and develop high-performance Java trading infrastructure Build systems processing millions of events per second with deterministic latency requirements Optimise JVM behaviour, memory management, and concurrency models Identify and eliminate performance bottlenecks across ...

Adword Job title: Java Developer with SQL & GIT Duration: Permanent Location: London - Hybrid (3 days a week from office) Job description: We are seeking talented Senior Hands on Java Developers to join our core Fixed Income team in lead and support roles To help design develop and implement our applications ...

Mercator Digital is seeking a skilled Java Developer to join its growing consultancy team, supporting digital transformation projects across the public and private sectors. Youll work in collaborative agile teams, delivering high-quality, sustainable software solutions. Key Responsibilities & Requirements Strong Java development experience with a proven track record of delivering ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack development, and business ...

Stack Software Engineers to join us on a permanent basis via the Robert Walters Consultancy. For these roles we are seeking candidates with either Java or Python backend with React frontend.As a consultant, you will benefit from permanent employment with Robert Walters and will be deployed on an assignment within … secure and high-quality production code, and reviews and debugs code written by others, with a focus on cloud-based systems using AWS and Java or Python.Drives decisions that influence the product design, application functionality, and technical operations and processes.Actively contributes to the engineering community as an advocate of firmwide ...

ideally including Amelia or a comparable product. Deep knowledge of LLMOps, MLOps, AIOps, and modern AI engineering practices, with strong programming skills in Python, Java, or similar. Experience with cloud platforms (AWS, Azure, or GCP), DevOps practices, and CI/CD pipelines. Knowledge of database technologies such as Oracle, MSSQL … skills, you can articulate complex technical concepts to both engineering teams and senior client leadership. Tech Landscape: Conversational AI · LLMOps · MLOps · AIOps · Amelia · Python · Java · AWS · Azure · GCP · MCP/Agentic AI · Oracle · MSSQL · MongoDB · CI/CD · Linux · DevOps Interested? Get in touch with TechByte Talent for a confidential ...

environments within Azure Building and maintaining Docker-based container solutions for consistent test execution Developing scalable automated test frameworks from the ground up using Java and Node.js Creating and executing automated test suites covering functional, regression and non-functional testing Carrying out robust API testing to ensure seamless service integrations … across the lifecycle Main Skills Needed: Strong background in software testing and automation engineering Experience building automation frameworks from scratch Solid programming capability in Java and Node.js Hands-on experience with CI/CD tooling such as GitHub Actions and Maven Proven expertise with Terraform and Infrastructure as Code principles ...