151 to 175 of 2,211 Java Jobs in London

Support Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Design, Implementation, Testing, Deployment and Support phases. Knowledge of Application servers such as Jboss/WebSphere. Technical experience with designing systems utilising OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services using XML/JSON, Spring security, SpringBoot and AMQP/RabbitMQ.Experience in writing ...

Full Stack Engineer (AI Native)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum
APIs, microservices and event-driven architectures. Driving software quality, performance, security and scalability. YOUR SKILLS AND EXPERIENCE: You will bring strong capability in: Java and Kotlin backend development on the Spring stack. React, JavaScript and TypeScript. AI-assisted development, particularly using Claude and agentic engineering workflows. CI/CD pipelines ...

Quantitative Developer

Location
Greater London, England, United Kingdom
automate experiments, and ensure reproducible results. STEM graduate (or final-year student) with demonstrable coding ability. Strong Python skills (other OOP languages such as Java or C++ are welcome and seen as a plus). Practical experience with SQL and relational databases Comfortable with the command line and modern version ...

Senior Engineer, Systematic Data

Hiring Organisation
Balyasny Asset Management
Location
London, UK
Employment Type
Full-time
trading environment (e.g. hedge fund or investment bank) – ideally systematic/quantitative in nature Beneficial Proficient in one or more OO programming languages (e.g. Java/C#) Experience with datasets used for cash equity research and trading Experience with distributed computing (e.g. Spark/Dask, Slurm/HTCondor) Experience with ...

Senior Solution Architect (AWS)

Location
Greater London, England, United Kingdom
services (EC2, Lambda, Glue, EKS, S3, SQS, SNS) Background in designing distributed architectures and microservices solutions Proficient in backend technologies such as Python, Java, or C# (.NET) Strong knowledge of data platforms, SQL, ETL pipelines, and data lake architecture Familiarity with front-end technologies such as Angular Experience with ...

Software Engineer

Location
Greater London, England, United Kingdom
improvement Skills & Experience You will have experience in one or more of the following areas but you do not need experience in everything listed: Java, Python, JavaScript, TypeScript Angular, React, Vue Docker, Kubernetes AWS and/or Azure MERN stack Elasticsearch, Neo4J We value engineers who are open-minded, adaptable ...

Software Engineer III - Cloud Platform Engineering

Location
Greater London, England, United Kingdom
troubleshooting in a professional or project-based environment Proficiency, or a strong working foundation, in one or more programming languages such as Go, Java, or Kotlin Working understanding of agile methodologies, CI/CD pipelines, and secure development practices Foundational understanding of cloud and container technologies, including core Kubernetes concepts ...

Lead / Senior Software Engineer in FX Payments tech

Location
Greater London, England, United Kingdom
mobile) In‐depth knowledge of the financial services industry and IT systems Practical cloud native experience Preferred Qualifications, Capabilities, and Skills: Experience with Java 21 Familiarity with Spring framework and Spring Boot Knowledge of RDBMS and NoSQL databases Experience with Kafka Expertise in microservices architecture Ability to leverage AI tools ...

Lead Software Engineer - Equity Derivatives - Front Office Quant Developer

Location
Greater London, England, United Kingdom
software engineering fundamentals with hands-on experience across the software development lifecycle, including system design, development, testing, release, and production support Proficiency in Python, Java, and JavaScript or TypeScript Experience building and supporting production-grade systems Experience in large-scale enterprise environments, developing, debugging, and maintaining code and data integrations ...

Head of Software Delivery

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
Experience with Equation and SQL Server environments. Technical Skills: Strong knowledge of software development methodologies (e.g., Agile, Scrum, DevOps).Proficiency in programming languages (e.g., Java, C#, Python) and software development tools. Experience with core banking systems (e.g., Equation), Treasury systems, and finance systems. Proficiency in SQL Server and database management. ...

Software Developer in Test - C3

Location
Greater London, England, United Kingdom
from you! Essential Skills & Experience: Eligibility for Security Clearance Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing ...

Head of Software Development

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
Experience with Equation and SQL Server environments. Technical Skills: Strong knowledge of software development methodologies (e.g., Agile, Scrum, DevOps).Proficiency in programming languages (e.g., Java, C#, Python) and software development tools. Experience with core banking systems (e.g., Equation), Treasury systems, and finance systems. Proficiency in SQL Server and database management. ...

Engineering Manager

Location
Greater London, England, United Kingdom
Software Development Proven experience designing and developing microservice-based architectures A background in development with strong prior experience in languages and frameworks such as Java, Python, JavaScript, Node.js, Spring Boot, Flask, Kotlin Direct commercial experience with a major cloud provider. GCP is preferred Experience working in and advocating ...

Blockchain / DLT Developer

Location
Greater London, England, United Kingdom
Web3 libraries such as Web3.js, Ethers.js, or equivalent SDKs for Hedera and Algorand. Proficiency in one or more backend languages (e.g. Node.js, Python, Go, Java) and RESTful/event‐driven API design. Familiarity with blockchain development toolchains including Hardhat, Truffle, Foundry, or equivalent. Experience with version control (Git) and collaborative ...

Security Engineer - Software Security Enablement

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
static analysis security testing tools such as CodeQL and Semgrep. Broad familiarity with programming language ecosystems and frameworks, particularly C++, JavaScript/TypeScript, Python, Java as well as well as modern systems and infrastructure languages such as Go and Rust Experience using LLMs or AI-assisted tools for security assessments ...

Software Engineer

Hiring Organisation
Easyjet
Location
London, UK
Employment Type
Full-time
doingDesign, build, test, deploy and support production software. Develop high-quality, maintainable and well-tested code. Build and support applications using AWS, .NET and Java technologies. Contribute to technical design discussions and implementation activities. Investigate defects, troubleshoot issues and support production systems. Improve software quality through code reviews, testing, observability ...

Technical Architect

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
bring: Proven experience as a Technical Architect, Solution Architect, or similar role. Strong software development background with hands-on coding experience (e.g., Java, .NET, Python, or relevant tech stack).Demonstrated ability to manage and lead development teams effectively. Deep understanding of programme and project management principles and lifecycle. Excellent interpersonal ...

Lead Software Engineer, Vice President

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
modern frontend technologies, such as: React, Angular, or VueBuilding highly performant, interactive, data-driven user interfacesStrong backend engineering experience using technologies such as: Python, Java, Node.js, or similarScalable service design and data processing pipelinesExperience working with data and analytics platforms, including visualization and large-scale data handlingExposure to or experience ...

Senior Software Developer (Python)

Hiring Organisation
Netcompany
Location
London, UK
Employment Type
Full-time
that we deliver a high-quality end product to our clients? We work with a wide range of different technologies including .Net, C #, Java, Salesforce, Sharepoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, AzureDevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each ...

QA Engineer - PA26Q3QAJH101

Hiring Organisation
SS&C Technologies
Location
London, UK
Employment Type
Full-time
adoption of AI-driven quality engineering across the team. What You Will Bring: Experience developing automated test frameworks using C# (.NET) (preferred) or Java, with Behaviour Driven Development frameworks such as SpecFlow or Reqnroll. Strong experience automating REST API and UI testing using tools such as Playwright, Selenium WebDriver ...

Intermediate/Senior DevOps

Hiring Organisation
Global Relay
Location
London, UK
Employment Type
Full-time
/Build and deployment automation: Jenkins, SonarQube, Artifactory, Bitbucket, Maven, Xcode Build, HelmInstrumentation and monitoring: Loki, Prometheus, Grafana, Mimir, Tempo TracingLanguages and frameworks: Bash, Java or Kotlin, Groovy, Python, ReactJS, SwiftWhere you have knowledge gaps, training and mentoring will be provided. About you: You have an automation-first mindset. ...

Software Engineer

Location
Greater London, England, United Kingdom
Look For We place great value on technical excellence and a drive for continuous learning. Experienced Software Engineers with one of the following technologies – Java, Python, C++ or C# Strong experience with CI/CD, unit testing framework and automation (testing/deployment) in cloud platforms such ...

Senior Lead Software Engineer - Cloud Platform Engineering

Location
Greater London, England, United Kingdom
application development, testing, and operational stability, including leading technical delivery in complex environments. Advanced in one or more programming language(s), such as Go, Java or Kotlin. Advanced understanding of agile methodologies, CI/CD, application resiliency, and security, including setting standards and driving adoption across teams. Demonstrated proficiency ...

Automation Test Engineer / SDET

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
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 ...

Software Engineer III - Cloud Platform Engineering

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
testing, and troubleshooting in a professional or project-based environmentProficiency, or a strong working foundation, in one or more programming languages such as Go, Java, or KotlinWorking understanding of agile methodologies, CI/CD pipelines, and secure development practicesFoundational understanding of cloud and container technologies, including core Kubernetes conceptsDemonstrated eagerness ...