151 to 175 of 1,699 Java Jobs in London

hackathons, technical content, and industry events. Code with credibility: Bring software engineering experience and strong coding ability in at least one core language, including Java, C/C++, Python, or Go. Preferred Qualifications Know distributed databases in production: Bring deep operational or architectural expertise with Aerospike or comparable platforms such ...

continuous deployment. If you care enough to find elegant solutions to difficult technical problems, we’d love to hear from you. Tech Stack Python Java, which makes up the majority of our backend codebase JavaScript, particularly React, which makes up our frontend Postgres and SQL AWS & GCP - we’re cloud ...

security role. Proven experience conducting security design reviews and threat modelling. Strong understanding of AWS security architecture and cloud security best practices. Experience securing Java-based microservices and distributed systems. Knowledge of modern authentication and authorisation patterns (OAuth2, OIDC, JWT, etc.). Experience assessing API security risks and controls. Strong ...

observable by default. You've owned testing, release reliability and monitoring on work you've led. You're comfortable working in our stack: Java/Spring Boot, TypeScript, AWS, Kubernetes. You communicate technical context clearly to engineers and non-technical stakeholders alike. You mentor colleagues and raise team standards through ...

4+ years of experience in software engineering and/or technology consulting Experience in at least two modern programming languages such as TypeScript, Python, Java or Go. Proven ability to architect, build and deploy complex agentic systems, including agent-to-agent communication Ability to build auditable agentic systems that ...

planning, prioritisation, and keeping stakeholders informed. A track record of coordinating work across more than one team and keeping cross-team dependencies under control. Java or Kotlin, including Android app and NDK/JNI development, and iOS development in Swift or Objective-C. An understanding of usability, user experience ...

ambiguity, framing the problem, extracting defined spec, and prioritises shipping validated outcomes over perfect solutions, moving pilots to production at pace. Languages: Python, Java, TypeScript/JavaScript, SQL and relevant AI SDKs. Leadership and delivery management: Plans and sequences work, manages scope, dependencies and priorities, removes blockers, and drives delivery ...

development community, growing awareness, inclusivity, and balance Take part in the recruitment and onboarding of other Developers Our Tech Stack We rely on Java, Python or Ruby to write our application code, GitHub Actions for CI/CD, Sentry for application monitoring, Kubernetes and Docker to schedule ...

production AI, data engineering, or enterprise integration system deployed to production. High proficiency in at least one modern language: Python, JavaScript/TypeScript, Java, or Apex. Hands‐on AI & Grounding Expertise: Deep experience with LLM orchestration, prompt tuning, and building RAG pipelines, vector search indexes, and knowledge base retrievers ...

delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers ...

delivery tooling such as Jira, Confluence and UML modelling tools. Good understanding of modern application architectures and software delivery practices. Strong understanding of: - Java (17/21) - XML and JSON schemas - RESTful services and API-driven architectures - Enterprise integration patterns - Relational databases Experience working with cloud-hosted and hybrid solutions ...

open‐source LLMs like LLama, DeepSeek, and Mistral). Programming Proficiency : Competence and hands‐on experience in at least one of the following languages: Java, JavaScript, Python, or C#. Ability to write clean, maintainable, and efficient code is essential. Deployment and Version Control : Hands‐on experience with deployment software ...

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 ...

JPMorganChase is seeking a Software Engineer III in London to own end-to-end delivery of secure, full stack features. You will design, implement, and operate services built on microservices, Kafka, and CI/CD ...

Elsevier in London seeks a Senior Software Engineer-I to contribute to a team delivering high-quality software for author services, applying your technical expertise. You will collaborate with agile squads, implement software to meet ...

A leading music company is seeking a Lead Developer to design, develop, and maintain external-facing royalty portals using Java. The role involves building AWS serverless solutions, working with Docker and Kubernetes, and providing technical ...

JPMorgan Chase & Co. is seeking a Senior Lead Software Engineer to drive the design, development, and delivery of trusted technology products in a secure and scalable manner. You will lead code construction, review peers, and ...

Broadridge Financial Solutions seeks a Senior Full Stack Developer to join the AI Enablement Team. You will design, develop, and enhance AI-enabled platforms with a focus on GenAI, vector stores, RAG, and context engineering. ...

passionate about developing your career, while helping others along the way, come join the Broadridge team.We are seeking an exceptional **Principal Engineer – Full Stack Java** to provide technical leadership and architectural direction for client-facing solutions supporting the implementation and ongoing evolution of the Gloss product. In this role … support, and the use of AI-assisted engineering tools. **Requirements** * 12+ years of professional software development experience, including substantial hands-on experience in Core Java, Spring, and Spring Boot.* Proven experience operating as a Principal Engineer, Solution Architect, Lead Architect, or senior technical leader with responsibility for technical strategy, platform ...

Global Banking Technology team, you will own end-to-end delivery of secure, full stack features — turning requirements into solid designs, shipping clean Java code, and improving services built on microservices, Kafka/event-driven patterns, and CI/CD pipelines. You will troubleshoot complex production issues, drive performance … proficient applied experience Demonstrated ownership of system design and delivery for production services, including testing strategy, release execution, and operational support Strong proficiency in Java and common frameworks such as Spring Boot, Hibernate, JPA, and Spring Kafka, including performance tuning and troubleshooting patterns Working knowledge of microservices and Kafka/ ...

contributing to discovery-phase builds while ensuring performance, security, and usability are embedded from the outset. Key Responsibilities Design, develop, and test applications using Java/Spring Boot, Python, TypeScript, and Angular. (mix of FE and BE) Build and consume RESTful APIs and integrate with back-end microservices. Develop prototype … discovery outcomes. Support integration of front-end components with APIs and event-driven back-end systems. Essential Skills & Experience Solid hands-on experience with Java/Spring Boot and TypeScript/Angular in production or prototype environments. Working knowledge of Python for API or integration scripting. Strong understanding of Azure ...

Software Engineer - Java About Millennium Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors. Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction … build AI-powered risk tooling, including agents, plugins, and integrations that connect large language models to risk data and platforms Write clean, well-tested Java and Python code, participate in code and design reviews, and help uphold engineering standards and best practices. Collaborate closely with engineers across London, New York ...

Software Engineer to design, develop and improve scalable software for real-time, event‐driven platforms across Barclays’ digital ecosystem. You will work with Java, Spring and Kafka in a microservices environment, collaborating with product managers and designers to deliver robust solutions. The role requires deep knowledge of AWS, OpenShift/ ...

building and deploying production systems – not just debuggingHands-on Kubernetes/Docker in production; Terraform, Ansible or CI/CD pipeline experienceProficiency in Java, Python, Go or JavaScript, applied to infrastructure or operationsDistributed systems, Linux and cloud (AWS/GCP/Azure) experienceCS or computer engineering degreeComfortable balancing build work ...

access to over 19,000 financial markets. Mode of working: Hybrid (2‐3 days from London office) What you will need for the role Java & Spring/Spring Boot: 8+ years of extensive experience in building and deploying back‐end services. 8+ years of experience in Backend development. MongoDB ...