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Top Java Developer Jobs in London

15+ Job Results
4 Hours Ago
London, UK
213 Employees
Senior level
213 Employees
Senior level
Artificial Intelligence • Software
As a Java Developer, you will be part of a team responsible for building scalable, server-side cloud-native applications, collaborating with product management and design teams to solve complex technical issues. The role involves end-to-end design and ownership in the software development lifecycle, focusing on containerized and serverless components in data-intensive applications.
2 Days Ago
London, UK
Remote
2,135 Employees
Senior level
2,135 Employees
Senior level
Information Technology • Consulting
Lead a team to develop scalable Java applications, oversee architecture, implement CI/CD processes, mentor junior developers, and ensure code quality while collaborating with stakeholders and QA teams.
6 Days Ago
London, UK
378 Employees
Junior
378 Employees
Junior
Marketing Tech • Software
As a Java Developer, you will develop and deliver consumer and enterprise applications using Java and Spring Boot, participate in code reviews, and collaborate with the development team. Strong programming skills, front-end experience with JS frameworks, and understanding of web application components are essential.
7 Days Ago
London, UK
Remote
80 Employees
Senior level
80 Employees
Senior level
Information Technology • Consulting
The Java Developer role involves designing, developing, and maintaining high-quality Java applications, implementing microservice architectures, and integrating APIs. The developer will ensure code quality through Test-Driven Development and manage databases while optimizing for cloud platforms like AWS and Azure.
8 Days Ago
London, UK
166 Employees
Senior level
166 Employees
Senior level
Marketing Tech • Software • Automation
As a Lead Java Developer, you will deliver software solutions in a Unix-based environment, lead cross-functional teams, conduct code reviews, mentor junior developers, and collaborate closely with clients and other departments to ensure timely project delivery. You are expected to excel in Java development, particularly using Spring MVC/Boot, and contribute to defining development strategies while staying updated on market trends.
9 Days Ago
London, UK
6,500 Employees
Mid level
6,500 Employees
Mid level
Gaming • Internet of Things • Machine Learning • Software
As a Back End Java Developer at Roxor Gaming, you will focus on Third Party Integrations, collaborating within an agile team to enhance the Remote Gaming Platform. Responsibilities include developing innovative solutions, ensuring high-quality feature delivery, and interfacing with internal and external game development teams, all while championing continuous improvement.
9 Days Ago
London, UK
Remote
44,000 Employees
Mid level
44,000 Employees
Mid level
Healthtech • Pharmaceutical
The Java Developer will be responsible for the administration, support, and monitoring of Java Applications and the Genesys Cloud environment. Key responsibilities include troubleshooting application issues, performing bug fixes, and enhancing existing systems.
9 Days Ago
London, UK
Hybrid
53 Employees
Expert/Leader
53 Employees
Expert/Leader
Information Technology
Lead Java Developer opportunity at Lab49 to work on complex projects for Financial Services clients in an Agile environment. Responsibilities include building distributed systems, working on server side JVM-based projects, collaborating with clients, and delivering quality code. Required skills include 9+ years of Java experience, RESTful Web Services, test-driven development, Agile software development, and a degree in Computer Science or related field.
20 Days Ago
London, UK
Remote
451 Employees
Entry level
451 Employees
Entry level
Consulting
The Java Developer will design, develop, and manage Java/Java EE applications for mission-critical systems. The role involves full software development lifecycle participation, focusing on high-performing, scalable enterprise-grade applications.
21 Days Ago
London, UK
85,636 Employees
Junior
85,636 Employees
Junior
Aerospace • Logistics • Security • Software • Cybersecurity
As a Backend Developer, you will design, develop, and maintain the backend infrastructure critical to Northrop Grumman's services. Responsibilities include participating in the software development lifecycle, collaborating with cross-functional teams, and mentoring junior developers.
21 Days Ago
London, UK
85,636 Employees
Senior level
85,636 Employees
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Lead Java Engineer will design, develop, and maintain critical infrastructure, working through the software development lifecycle while mentoring junior developers. The role involves leading the team in delivering solutions that fulfill customer requirements and collaborating across functions.
6 Days Ago
London, UK
378 Employees
Mid level
378 Employees
Mid level
Marketing Tech • Software
As a Senior Java Developer at Konrad, you will develop web applications using Java and Spring Boot, participate in code reviews, conduct extensive testing, and collaborate with a skilled development team to deliver high-quality software solutions.
8 Days Ago
London, UK
4,632 Employees
Senior level
4,632 Employees
Senior level
Fintech
The Senior Java Developer will lead end-to-end software development and testing within an agile environment. Responsibilities include designing, building, and supporting solutions, improving engineering practices, and mentoring team members. The role requires extensive experience in Java and related technologies, along with strong communication and collaboration skills.
17 Days Ago
London, UK
Remote
147 Employees
Senior level
147 Employees
Senior level
Blockchain
Independently investigate and design complex systems, optimize system performance, translate business requirements into functional applications, review and verify code adherence to quality standards, identify and solve bugs, and maintain code quality. Required experience in Java applications, middleware principles, Java technologies, Spring frameworks, software design, architecture, event processing models, REST, and more.
23 Days Ago
London, UK
139 Employees
Senior level
139 Employees
Senior level
Information Technology
As a Senior Java Engineer, you will design, develop, and maintain scalable software systems using Java and Spring while leveraging AWS services to deliver cloud-based solutions. You will collaborate with cross-functional teams, implement RESTful APIs, and support DevOps practices, ensuring optimal performance and security of applications.
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