151 to 175 of 1,372 Java Jobs in London

embedded roles System architecture: Proven ability to design and implement AI-native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) LLM tooling: Familiarity with LangChain, Semantic Kernel, prompt chaining, vector search, and context management Performance & observability: Skilled in debugging ...

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 ...

Requirements Experience delivering and supporting resilient software that scales, in a multi-language, multi-technology stack Deep experience with Java or another statically-typed language, and familiarity with a web framework (Spring Boot or Ruby on Rails) Strong skills in automated testing (unit, end-to-end, performance, stress ...

/CD, architecture) and can apply them to solve well-defined problems independently and with your team. You are comfortable writing code in C#, Java or Python. Work-with-purpose: You can articulate the value of your own work in larger projects or team-wide goals. You have the space ...

EXPERIENCE Essential Exp of hands‐on full stack engineering experience, delivering complex platforms in enterprise environments. Strong proficiency across the full stack – backend (Python, Java or equivalent), frontend frameworks, APIs, databases and infrastructure as code. Depth in distributed systems design: you understand how to build services that scale, fail gracefully ...

We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects ...

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. ...

Elsevier is seeking an experienced software engineer to design and develop scalable authentication and authorisation solutions. You will work on an identity platform running on AWS ECS/EKS, integrating with multiple identity providers, and ...

telecommunications, and retail. The consulting firm has partnered with a global technology services organisation and is seeking a Python Developer with strong hands-on Java experience for a 12-month hybrid contract based in the UK (3 days on-site per week). The role involves designing, developing, and maintaining … miss out on this exciting opportunity and apply today! Responsibilities Design, develop, and maintain agents, scripts, and applications in Python, integrating with Java components as applicable Build and enhance RESTful services using Spring and Spring Boot Develop and support Back End components and utilities using Java Participate ...

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/ ...

processing flowsThis is a high-impact program in a low-latency financial environment, where system stability, performance, and correctness are critical.We are seeking a Java developer who can design and build with minimum supervision solutions for our team. The person needs to be knowledgeable on modern software development practices including … Scrums, be up to date with the latest Java tools and frameworks and be able to work with the existing team to deliver solutions. The ideal candidate will be diligent, tenacious and delivery focused with a track record of building high quality solutions that are resilient and maintainable. ...

engineers, and ensure the delivery of robust software aligned with business objectives. **Key Responsibilities*** Lead the design and development of enterprise-grade applications using Java and related technologies* Define and enforce agreed coding standards, architectural principles, and engineering best practices* Collaborate with Product Owners, Business Analysts, Solution Architects and Scrum … sprint team ensuring software meets or exceeds published metrics and quality benchmarks **Required Skills and Experience*** Proven experience as a Tech Lead or Senior Java Developer in agile environments* Strong understanding of Agile framework & principles* Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development* Experience with ...

engineers, and ensure the delivery of robust software aligned with business objectives. Key Responsibilities Lead the design and development of enterprise-grade applications using Java and related technologies Define and enforce agreed coding standards, architectural principles, and engineering best practices Collaborate with Product Owners, Business Analysts, Solution Architects and Scrum … sprint team ensuring software meets or exceeds published metrics and quality benchmarks Required Skills and Experience Proven experience as a Tech Lead or Senior Java Developer in agile environments Strong understanding of Agile framework & principles Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development Experience with ...

genuinely collaborative. Because when you’re trying to change an industry, you need people who have each other’s backs. As a Lead Java Full Stack Developer at Emergn you will build scalable, high-performance Java applications. You design, develop and maintain complex, scalable, high-performance Java applications. You will … requirements. Join our team and let’s change the game together! We want you to: Provide technical leadership in designing, coding, testing and deploying Java-based applications. Collaborate with cross-functional teams to define project scope, architecture and delivery timelines. Conduct code reviews and promote coding standards and best practices. ...

team designing, developing and maintaining secure, scalable software systems within complex, mission-critical environments. Key Requirements: Active SC Clearance (essential) Strong software development experience (Java, Python, C# or similar) Experience working in Agile environments Knowledge of cloud technologies (AWS, Azure or GCP) Understanding of secure coding and software engineering best ...

with infrastructure as code (IaC) tools: Terraform and CloudFormation Experience working with cloud-native services in AWS or GCP. 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 ...

integrations and submission workflows. Reporting is the primary focus, but you'll also work across the core trading platform as it develops. Technology stack: Java/Python, AWS, Linux, Postgres, Kafka, Git. Requirements Solid working knowledge of Python and/or Java. Practical experience with relational databases and SQL (e.g. ...

stakeholders (Hotline teams, Technical Teams, Business) for environment impact assessment & problem resolution What you will bring: Technology: HP Non-Stop, Linux, UNIX, OpenShift, Kafka, Java, C#, SQL, CICD Tools: UFT, Azure Dev Ops, Splunk, Cucumber, Selenium Experience: 5+ years hands on testing, finance industry experience, BDD/TDD, Agile, infrastructure ...

someone who has experience in one or more of the following technologies but who is also open minded about learning new languages and technologies. Java, Python, JavaScript, TypeScript Angular, React, Vue Docker, Kubernetes AWS, Azure MERN, Elasticsearch, Neo4J Salary and Benefits A salary of £40-85k with an exciting ...

functional requirements, including performance and reliability considerations Identify and drive improvements to systems and development processes Required Qualifications, Capabilities, and Skills Proficiency in Core Java or C++ development Working knowledge of Spring and SQL Experience developing on Unix or Linux environments Knowledge of unit testing practices and test automation fundamentals ...

workflow automation and knowledge management problems A track record of leading and mentoring engineers Strong experience in a modern object-oriented language (C# or Java) Deep knowledge of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models ...

workflow automation and knowledge management problems A track record of leading and mentoring engineers Strong experience in a modern object-oriented language (C# or Java) Deep knowledge of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models ...

software solutions. What are we looking for: Bachelor's or Master's degree in Computer Science, Engineering, or related field Proficiency in C# .NET, Java, or Go, with a strong understanding of software development principles in either a backend or full stack environment. Great communication skills and ability to interact ...

Significant experience in software engineering , along with significant and demonstrable experience in designing and delivering large scale enterprise web applications , with deep expertise in Java, Spring Boot Microservices, ReactJS, SQL, Databases, MongoDB, DevOps, CI/CD and Test Automation. Experience implementing programming best practice, especially around scalability, automation, virtualisation, optimisation ...

knowledge management A strong track record of leading, mentoring and developing engineers Strong experience with a modern object-oriented language, ideally C# or Java Deep understanding of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models and working ...