101 to 125 of 1,736 Java Jobs in London

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
Knowledge*** Strong proficiency in Python and full-stack engineering: React (or equivalent modern front-end framework) and Node.js back-end, PostgreSQL; additional languages (Go, Java) a plus.* Hands-on experience with cloud platforms (AWS), Docker and Kubernetes; CI/CD in GitLab (or equivalent); infrastructure-as-code (e.g. Terraform); observability ...

Senior Architect, ADC/Quant

Location
Greater London, England, United Kingdom
clear, business-centric language.**Technology Environment**You will be architecting solutions within a broadly evolving and heterogeneous technology landscape, notably encompassing:Compute & Services: Java, .NET, Python, Cloud-native microservicesData & Analytics: Databricks, Microsoft Fabric, AWS Glue, Athena, Event Streaming (e.g., Kafka)AI & ML: Azure OpenAI, LLM Integration patterns, Vector DatabasesIntegration & Storage ...

Senior Director, Engineering - Corporates, Financial Institutions & Sovereigns

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
deep, and your teams and peers will know it too Full-stack engineering expertise — proven background with modern enterprise technology stacks, including React, Java, and/or Python in production environments, deployed across AWS and/or Azure A bias for experimentation and innovation — a demonstrable history of pushing technical ...

Senior Cloud Security Engineer (GCP) - Engine by Starling

Location
City Of London, England, United Kingdom
tech stack is listed below. We don't ask that you have experience in all of it, but if you do, that's great! Java, which makes up the majority of our backend codebase GCP and AWS - we're cloud-native Microservice-based architecture Kubernetes ...

Java Engineer with AI

Location
Greater London, England, United Kingdom
approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. Key Responsibilities Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists … quality standards Work with cloud platforms to deploy AI-powered services Contribute to architecture decisions and technical roadmaps Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists ...

Senior Full Stack Java Engineer

Location
Greater London, England, United Kingdom
Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices to improve software … optimize application and integration performance. SKILLS Must have Core Engineering 8+ years of software engineering experience, ideally within Financial Services. Strong expertise in Java, Spring Boot, REST APIs, and distributed systems. Experience with Kafka, IBM MQ, or similar messaging technologies. Strong integration experience with Loan IQ, lending, banking, or enterprise ...

Senior Software Engineer II -Java

Location
Greater London, England, United Kingdom
high‐quality solutions. About the Role As a Senior Software Engineer, you will design, develop, and deliver high‐quality, scalable software solutions using modern Java technologies and cloud‐native practices. You will work closely with Product, UX, QA, and engineering teams to build robust applications, enhance customer experiences, and contribute … modern development tools, including AI‐assisted technologies, while mentoring other engineers and continuously improving engineering practices. Responsibilities Design, develop, and deliver scalable, high-performance Java-based applications aligned with business objectives. Build and enhance application features to support evolving product and customer needs. Collaborate with Product, UX, QA, and technical ...

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 ...

Security Engineer IAM

Location
City Of London, England, United Kingdom
Security Specialty, Google Professional Cloud Security Engineer are desirable Experience with infrastructure as code (IaC) tools: Terraform and CloudFormation Proficiency in Python, Go or Java Proficiency in unit testing frameworks such as Behave, pytest or Junit Proficiency in developing and securing SOAP and REST based web service APIs Experience ...

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 ...

Senior Platform Engineer, Foundations

Location
Greater London, England, United Kingdom
Experience designing production observability and tuning relational databases, ideally PostgreSQL Experience with Datadog or Prometheus Strong software-engineering or scripting skills in Python, Go, Java, Scala, or shell Track record of owning ambiguous cross-functional problems and clearly communicating tradeoffs Experience elevating developer productivity or developer experience Experience building self ...

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 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 ...

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 ...

Senior Technology Manager – SaaS Solutions & Client Delivery

Hiring Organisation
J&J Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£145,000 - £165,000 per annum
confidently with architects, engineers, consultants and client technology teams. Exposure to technologies and concepts such as the following would be advantageous: AWS | SaaS | APIs | Java | Spring Boot | JavaScript | Node.js | Docker | Kubernetes | CI/CD | Cloud Architecture | Microservices | Systems Integration The ability to understand the architecture, challenge technical decisions and communicate ...

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 ...

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 ...

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 ...

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 ...

AI Native Software Engineering

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Commercial software engineering experience in production environments (or equivalentdemonstratedthrough academic projects, internships, or shipped personal projects) Proficiencyin at least one primary backend language: Python, Java, or TypeScript Demonstrated hands-on experience using AI tools actively in day-to-day engineering work with practical examples of how AI was used ...