26 to 50 of 828 Java Jobs in London

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Skills & Experience: Eligibility for SC clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge ...

Senior Architect AI

Hiring Organisation
Liberty Global
Location
London, UK
Employment Type
Full-time
operational systems Bachelor's or Master's degree in Computer Science, Engineering, Telecommunications, or related technical field Background in hands-on development with Python, Java, or similar languages (nice to have but not required for day-to-day work) Knowledge of AI ethics, responsible AI practices, and regulatory requirements relevant ...

Senior Software Engineer I

Hiring Organisation
Elsevier
Location
London, UK
Employment Type
Full-time
improve our delivery processPartnering with cross-functional Agile and DevOps implementation teamsRequirementsDemonstrate some proficiency in some of these technologies; JavaScript/TypeScript, Frontend frameworks, Java/SpringBoot, SQL with a willingness to learn the others. Display some experience with build tools, Git and continuous integrationEnjoy collaborating with team members ...

Senior Machine Learning Engineer (MLOps)

Hiring Organisation
ASOS
Location
London, UK
Employment Type
Full-time
with experience designing and building production systems at scale. Experience developing distributed systems, microservices or high-throughput backend platforms. Strong programming skills in Python, Java, Kotlin, Go, Scala or similar languages. Experience building and operating services in AWS, Azure or GCP environments. Hands-on experience with Kubernetes, containerisation and cloud ...

Data Architect - Central Government

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
/CD for data platforms. Understanding of how ML/AI workloads integrate into data architectures. Hands-on coding ability (e.g. Python, Java, R) is beneficial but not required. Governance, Security and Data Management Experience designing within structured architectural governance frameworks. Familiarity with government assurance processes and design authorities. Strong ...

Senior Software Engineer

Hiring Organisation
Moody's Corporation
Location
London, UK
Employment Type
Full-time
operating production-grade software systems in a modern engineering environment. Proficient in modern web and backend technologies such as React, .NET Core, C#, Java, Python, or similar; experience with Rust is a plus. Experience building scalable APIs, microservices, distributed systems, and cloud-native applications. Hands-on experience with AWS, Kubernetes ...

Senior Software Engineer II

Hiring Organisation
Elsevier
Location
London, UK
Employment Type
Full-time
improve our delivery processPartnering with cross-functional Agile and DevOps implementation teamsRequirementsDemonstrate some proficiency in most of these technologies; JavaScript/TypeScript, Frontend framework Java/SpringBoot, SQL with a willingness to learn the others. Display some experience with build tools, Git and continuous integrationEnjoy collaborating with team members ...

Automation Tester (Front End) - (Security Cleared)

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
automation frameworks. Familiarity with containerisation technologies (e.g., Docker) and orchestration tools (e.g., Kubernetes) for testing microservices in a containerised environment. Automated API testing with Java (e.g. RestAssured/SoapUI)Experience using collaborative tools such as Jira, Confluence, or similar for test case management, documentation, and communication within Agile/Scrum ...

Senior Backend Engineer

Hiring Organisation
Teya Solutions
Location
London, UK
Employment Type
Full-time
areas, providing guidance and support to other teams. Requirements: At least 5 years of professional software engineering experience. Strong experience building backend systems with Java 17+ and Spring Boot. Proven ability to design, build and operate reliable services in production. Experience with system design, scalable architectures, microservices and API development. ...

Lead AI Software Engineer

Hiring Organisation
Vodafone
Location
London, UK
Employment Type
Full-time
experience, including hands-on delivery of production-grade software. Significant experience delivering production-grade software within complex engineering environments. Strong hands-on expertise in Java and Spring Boot, with experience in React or Angular. Proven experience designing and implementing RESTful APIs, microservices, integrations, platform services, and digital applications. Strong understanding ...

Global AI/ML Engineer Senior Manager

Hiring Organisation
The Boston Consulting Group
Location
London, UK
Employment Type
Full-time
Proven experience in implementing AI-driven applications and SaaS (multi-tenant) solutions.· Strong technical proficiency in both frontend and backend development (e.g., React, Python, Java, Typescript).· Proven experience with systems design, design patterns, architectural trade-offs, and integration best practices.· Proven experience with automated testing frameworks (e.g. Zypher, Pytest ...

Senior AI Engineer, Legal - Canada Remote

Hiring Organisation
Danaher
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
150000 to 180000 CAD Annually
with experience in AI/ML libraries and frameworks (e.g., LangChain, LlamaIndex, Hugging Face, or equivalent orchestration tools); proficiency in an additional language (TypeScript, Java) is a plus. AI‐Assisted Software Development – Demonstrated proficiency leveraging AI development tools (e.g., Claude Code, Cursor, GitHub Copilot) to accelerate software solution development ...

Front-End Lead Software Engineer, Reuters

Hiring Organisation
Thomson Reuters
Location
London, UK
Employment Type
Full-time
timePreferred QualificationsAdditional experience and technical skillsNext.js or other SSR/SSG frameworksGraphQLMicrofrontends architectureFamiliarity with the team's broader stack: AngularJS and Tailwind (front end); Java with Spring Boot and TypeScript with AWS Lambda (back end); MongoDB and Amazon Aurora (data); AWS, including AWS Elemental Services (cloud)Experience with video technologies#LI ...

Java Developer - Algo Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Developer – Algo Trading Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading and market-making business. They are currently looking to expand their high and intraday trading presence across FX, equities and commodities. … Java Developer will: Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly in Java Help engineer a new greenfield low latency trading platform Work on connectivity to Financial Exchanges Improve/maintain existing strategies Develop utility applications ...

Java Developer

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
Reference: 57665 Java Developer Location: London (Hybrid)Salary: [Insert range]Type: Full-time Build software that actually scales—and matters We're looking for a Java Developer to join a growing engineering team focused on building high-performance, reliable applications used by thousands of users every day. This … closely with product, design, and DevOps to ship meaningful features at pace. What you'll be doing Designing and building scalable backend services using Java and modern frameworks (e.g. Spring Boot)Collaborating with cross-functional teams to deliver new features end-to-end Improving system performance, reliability, and maintainability Writing ...

Java/Kotlin Software Engineer - London

Hiring Organisation
Zopa
Location
London, UK
Employment Type
Full-time
LondonEngineering – Cards Engineering/Employee - Permanent/HybridOur StoryHello there. We're Zopa. We started our journey back in 2005, building the first ever peer-to-peer lending company. Fast forward to 2020 and we ...

Senior Java Developer

Hiring Organisation
Intelligent Steps
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum 10% Bonus
role We are looking for a Senior Java Developer to help design and deliver a platform built around Java microservices. You will take ownership of backend services, contribute to architecture decisions and work closely with product, QA and DevOps colleagues to turn business requirements into reliable software. This role suits … independently. The aim is to shorten release cycles, improve resilience and support growing transaction volumes without disrupting existing users. The proposed stack centres on Java 21 and Spring Boot, with REST APIs for synchronous integration and Apache Kafka for asynchronous events. Each service will own its data, using PostgreSQL where ...

Software Developer (Java & Typescript)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Clearance is mandatory for this position. Candidates must hold current and transferable SC Clearance. Key Responsibilities Design, develop and maintain back-end services using Java and TypeScript . Build and support RESTful APIs and micro services using Express.js and related technologies. Deliver secure, scalable and high-performing software solutions within … mandatory). Proven experience delivering software solutions within Defence, Government, National Security or other highly secure environments . Strong commercial experience developing applications using Java . Strong experience developing services and APIs using TypeScript and Express.js . Experience building and supporting REST API and micro service-based architectures. Strong understanding ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
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 proficiency … Platforms : Strong proficiency in cloud technologies, including architecture and deployment strategies. Programming and Development : Advanced knowledge of multiple programming languages and frameworks (e.g., Python, Java, Node.js). CI/CD and Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Location
Bexley, South East London, United Kingdom
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 proficiency … Platforms : Strong proficiency in cloud technologies, including architecture and deployment strategies. Programming and Development : Advanced knowledge of multiple programming languages and frameworks (e.g., Python, Java, Node.js). CI/CD and Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience ...

Software Developer (Java & Typescript)

Hiring Organisation
Sanderson Recruitment
Location
London, UK
Employment Type
Full-time
Clearance is mandatory for this position. Candidates must hold current and transferable SC Clearance. Key ResponsibilitiesDesign, develop and maintain back-end services using Java and TypeScript. Build and support RESTful APIs and micro services using Express.js and related technologies. Deliver secure, scalable and high-performing software solutions within Defence ...

Technical Architect -UK (Hybrid)- c£120K + Bonus

Hiring Organisation
Nigel Frank International
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
designing complex, enterprise-scale systems Deep knowledge of AWS, Azure and/or Google Cloud Expert-level experience with Node.js, Python and/or Java Strong experience building scalable backend services and APIs Solid understanding of architectural patterns including microservices, event-driven and serverless Experience with DevOps, CI/ ...

BSS Software Developer

Hiring Organisation
MBR Partners
Location
London, UK
Employment Type
Full-time
Agile environments and contribute to sprint planning and estimations Support bug fixing, performance optimisation, and integration testing Technical skills Essential Strong expertise in Java, Spring Boot, and J2EE. Hands-on experience with RESTful APIs, Microservices, and Containerisation(Kubernetes/OpenShift). Solid understanding of RDBMS, SQL, and PL/SQL. ...

Senior DevOps Engineer (8 Month FTC)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Riak) Containerisation and microservices (e.g. Docker, rkt) IaaS and PaaS (e.g. AWS, Openstack, Deis, Kubernetes, Mesos, Rancher) Experience of programming and scripting (e.g. Bash, Java, Go, Javascript, Powershell) Experience of configuration management tools such as Ansible, Chef, Puppet Experience of implementing Infrastructure as Code Experience configuring and working with monitoring ...

Senior Software Engineer, Unified Platform - Trade Management, Trade & Order Processing, Platform Services

Hiring Organisation
DRW
Location
London, UK
Employment Type
Full-time
architectures and CAP theorem. A good understanding of functional paradigms and type theory. Confident JVM knowledge. Modern programming languages knowledge in our primary languages (Java, Python, Clojure).Experience with Airflow or other Python-based workflow orchestration tools. Proficiency in domain-driven design and domain modeling. Exposure to Kubernetes, Docker, Linux ...