151 to 175 of 2,378 Java Jobs in London

Java Developer, Short Term Trading Technology

Location
Greater London, England, United Kingdom
collaborative culture like ours where we solve real problems while building the future of finance.**You****We****Description**We are looking to hire a Java Back-End Developer to join our Short-Term Desk Technology team. This role focuses on building the next generation of trading and cash management systems … close collaboration with front office stakeholders and ownership across the full software lifecycle.**Core Engineering*** Design, build, and maintain high quality, scalable microservices using Java 21 and modern frameworks.* Develop new functionality while evolving existing components with clean, maintainable, well tested code.* Apply TDD, good CI/CD practices ...

Java Developer Algo Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Developer Algo Trading Up to 120,000 + benefits and bonus Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their Algo Trading Strategy team. This will be building out a brand new greenfield trading platform. You will be 1 of 2 developers … house with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across FX and commodities. The 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 ...

AI Engineer

Location
Greater London, England, United Kingdom
/Azure OpenAI Anthropic Claude APIs Agentic AI LangChain LangGraph CrewAI Software Engineering Strong development experience with Python, JavaScript/TypeScript, C# or Java REST APIs and microservices Software architecture and engineering best practices Desirable Skills Experience with any of the following would be advantageous but not essential : Azure ...

Automation Tester – Front End, Security Cleared

Location
Greater London, England, United Kingdom
across testing stages Experience working with cross-functional teams, including developers and QA team members Familiarity with Docker and Kubernetes Automated API testing with Java, such as RestAssured or SoapUI Experience with Jira, Confluence, or similar collaborative tools Working knowledge of CI/CD pipelines and tools such as Jenkins ...

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 ...

Software Engineer

Hiring Organisation
Nexus Jobs
Location
London, United Kingdom
Salary
£ 70 K
with knowledge of utilizing Azure SQL Server, Data lake, etc.In-depth knowledge & experience using Visual Studio, with one of the programming languages: C#/Java/JavaScript/Python, and PowerShell.Thorough understanding of the fundamental architecture of the cloud and on-prem MSFT Suite.Solid fundamentals and thorough understanding of exception ...

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 ...

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

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

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 ...

Site Reliability Engineer with Python

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
implementing timely cost-effective solutions Experience designing, building, and operating large-scale production systemsDeep knowledge of Python is preferred, though other languages like Java, Go, Rust, or similar will also be heavily consideredExperience using source control (Git, GitHub) and feature branching strategiesExperience with a variety of open-source databases (MySQL ...

Platform Engineer

Location
Greater London, England, United Kingdom
training and support to team members on the use of tools and systems. Key Requirements Essential Skills Programming Languages: Proficiency in languages like Python, Java, Groovy, or Go. Operating Systems: Proficiency in Linux(RHEL) and Windows systems. SDLC Tools: Experience with tools such as Jira, Confluence, Bitbucket, Nexus, Zephyr. ...

Security Engineer - Software Security Enablement

Hiring Organisation
Bloomberg
Location
London, United Kingdom
Salary
£ 70 K
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 ...

Blockchain / DLT Developer

Hiring Organisation
Delta Capita
Location
London, UK
Employment Type
Full-time
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 ...

Software Engineer

Location
Greater London, England, United Kingdom
field. Experience as a Senior/Lead SRE or Software Engineer delivering distributed, high-availability SaaS platforms at scale. Strong proficiency in Python, Go, Java, or C++ with experience designing microservices, APIs, and production automation. Deep experience with Kubernetes, Docker, and container orchestration in large-scale multi-cluster environments. Proven ...

DevOps Engineer - AWS & Terraform

Location
Greater London, England, United Kingdom
production platforms. Strong experience with Kubernetes (container orchestration) and Terraform. Hands-on experience managing and automating AWS infrastructure. Proficiency in one or more languages: Java, Python, Bash, or Go. Experience working with Helm for Kubernetes application packaging and deployment. Solid Linux fundamentals, troubleshooting, and operational support skills. Proven experience designing ...

Senior Software Engineer – Margin Technology - Assistant Vice President

Location
Greater London, England, United Kingdom
professional software development experience Bachelor’s degree in computer science or engineering field involving software programming or systems engineering Proficiency in programming in mainly Java, React and/or Python Strong hands‐on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code ...

Senior Data Engineer (Data Platform)

Location
Greater London, England, United Kingdom
Platform Engineering or Software Engineering working with Data Strong SQL expertise , particularly in complex analytical and warehouse queries Proficiency in Python and/or Java Experience with Data Warehouses, such as Snowflake or Apache Iceberg Practical knowledge deploying and operating containerised workloads using Docker and Kubernetes Knowledge of streaming tooling ...

Software Engineer

Location
Greater London, England, United Kingdom
giving our teams the opportunity to solve complex challenges at scale. What We Look For 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 ...

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. ...