151 to 175 of 1,617 Java Jobs in London

Senior Backend Software Engineer

Location
Greater London, England, United Kingdom
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 ...

Fintech Lab Engineer (Manager or Senior Consultant level) - Fintech Lab - Permanent - London

Location
Royal Borough of Greenwich, England, United Kingdom
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 ...

Senior Software Engineer (with Delivery Management)

Location
Greater London, England, United Kingdom
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 ...

Principal Software Engineer / Principal AI Engineer

Location
City Of London, England, United Kingdom
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 ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c#/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with ...

Lead Developer

Location
Greater London, England, United Kingdom
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 ...

Agentforce Operations FDE

Location
Greater London, England, United Kingdom
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 ...

Hybrid Solution Architect | Public Sector Consulting

Location
Greater London, England, United Kingdom
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 ...

Senior AI Solutions Architect - London

Location
Greater London, England, United Kingdom
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 ...

Staff Cloud Security Engineer (GCP) - Engine by Starling

Location
Greater 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 ...

Senior Java Full-Stack Engineer - Microservices & AI

Location
Greater London, England, United Kingdom
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 ...

Lead Backend Developer - Java, AWS & Kubernetes

Location
Greater London, England, United Kingdom
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 ...

Senior Lead Software Engineer: Java, React, Kubernetes

Location
Greater London, England, United Kingdom
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 ...

Senior GenAI Full-Stack Engineer (Java/React/Python)

Location
City Of London, England, United Kingdom
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. ...

Java Senior Developer - Core Services

Location
Greater London, England, United Kingdom
focused on building and supporting highly scalable backend systems for live and Video on Demand streaming services. The developer will work primarily with Java and Spring, developing end-user applications and scalable APIs while contributing to technical direction, architecture/design decisions, production support, system reliability, and continuous improvement. … security, resiliency, and performance, along with strong collaboration across development, architecture, and other teams. In this role, you will: Develop and maintain components using Java and Spring, covering new features, fixes, enhancements, and existing functionality. Build well-tested, robust and reliable code, including handling edge cases and usability considerations Identify ...

Principal Engineer - Full Stack Java

Location
Greater London, England, United Kingdom
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 ...

Full Stack Software Engineer III - Java

Location
Greater London, England, United Kingdom
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/ ...

Remote Full-Stack Developer | Java, TypeScript & Azure

Location
Greater London, England, United Kingdom
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 ...

Java Developer ( SC Eligible/SC Cleared )

Location
Greater London, England, United Kingdom
Java Developer ( SC Eligible/SC Cleared ) London, United Kingdom | Posted on 10/11/2026 Scrumconnect Consulting is a multi-award-winning UK digital consultancy. We help public and private sector organisations design and deliver better digital services, working in agile, multidisciplinary teams on services used by millions … people every day. Role Overview We are looking for a talented Java Developer to join our team and help design, build and maintain high-performance applications. You will have a solid grounding in Java and enjoy working with modern tools and frameworks. You will play a key part in building ...

Software Engineer: Real-Time, Cloud-Native Platform

Location
Greater London, England, United Kingdom
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/ ...

Lead Full Stack Software Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
technical delivery What you'll bring Proven full stack experience across design, development, testing and deployment Strong skills in languages and frameworks such as Java, Kotlin, Python, C++ or .NET Cloud platform experience with Azure, AWS and/or GCP Experience with microservices and containerisation (Docker, Kubernetes) is a plus ...

Backend Engineer (Java+AWS+AI)

Location
Greater London, England, United Kingdom
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 ...

Lead Application Architect - WEMBLEY

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum + perm benefits
passion for improving development practices. We're looking for candidates with: Significant experience designing and delivering enterprise applications Strong hands-on expertise in Java and Spring Boot development Proven experience designing microservices-based architectures Experience creating component-level designs, Low-Level Designs (LLDs), and Architecture Decision Records (ADRs) Strong understanding ...

Senior Full Stack Software Engineer - Investment Management

Location
Greater London, England, United Kingdom
experience. Graduate degree preferred Experience Expertise in frontend technologies (e.g. Vue.js, React) with a strong sense for UI/UX Proven backend experience with Java, ideally with Python and Node.js experience as well, including building distributed microservices based architectures Strong understanding of system design principles, scalable architecture patterns ...

Technical Lead

Hiring Organisation
Anson Mccade
Location
london, south east england, united kingdom
software engineering and system design background Experience delivering enterprise applications using AWS, Azure or GCP Strong engineering experience with technologies such as Python, SQL, Java, .NET or JavaScript Experience working with modern enterprise data technologies such as Snowflake and/or Databricks Good understanding of enterprise data platforms, data architecture ...