151 to 175 of 2,347 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 ...

Senior Technical Specialist

Location
Greater London, England, United Kingdom
intersection of core banking engineering and public/permissioned blockchain infrastructure. What you'll do Backend engineering — Design and ship enterprise‐grade Java/Kotlin microservices and APIs that meet bank‐grade availability, latency and security standards. Blockchain development — Implement on‐chain business logic and workflows: smart contract interactions, mint ...

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 ...

Software Engineer

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
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 ...

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 ...

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 ...

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. ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Staff Software Engineer - Streaming Software engineering London

Location
Greater London, England, United Kingdom
infrastructure as code (Terraform or similar) as well as designing and implementing CI/CD pipelines Excellent programming skills with at least one of Java or Python Additional Information Bring all of you to work We create the conditions for high performers to thrive, through real ownership, fewer blockers ...