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Top Java Developer Jobs in London

3 Days Ago
London, UK
Mid level
Mid level
Fintech • Payments • Financial Services
As an eFX Java Dev Engineer, you will develop and enhance features for the eFX Trading platform, ensuring robust, secure code through automated testing. You'll collaborate with teams to address production issues, implement strategic improvements, and work in an agile environment, delivering high-performance pricing systems and services.
Top Skills: JavaKdbPython
Senior level
Fintech • Financial Services
The Senior Software Engineer will lead the development of high availability, fault tolerant software systems for BlackRock's Aladdin platform. Responsibilities include delivering compliance systems, working with product management, designing innovative solutions, and maintaining AI/ML models while mentoring developers in a collaborative environment.
Top Skills: Java
4 Days Ago
London, UK
Senior level
Senior level
Fintech • Financial Services
As a Java Backend Engineer at BlackRock, you will manage a small team, shape technical API strategies, design and develop secure micro-services, and optimize API performance. You will work closely with product managers and senior technology leaders to deliver high-quality client-facing software in a fast-paced environment.
Top Skills: Java
Junior
Fintech • Financial Services
As a Java Software Engineer at BlackRock, you will work on the Aladdin platform, developing high-availability software solutions, contributing to AI capabilities, and collaborating with cross-functional teams. Your role will involve taking ownership of project priorities using AGILE methodologies, maintaining AI/ML models, and designing innovative solutions to complex problems.
Top Skills: JavaPython
22 Days Ago
Remote
London, UK
Mid level
Mid level
Software
The Mid-Level Java Engineer will develop and maintain payment solutions while collaborating with a scrum team to enhance usability and efficiency. Responsibilities include designing RESTful services, resolving issues during incidents, and participating in Agile processes, all while ensuring standard-compliant project execution.
Top Skills: Java
11 Days Ago
Hybrid
London, UK
Entry level
Entry level
Information Technology • Consulting
The Front Office Developer will create and enhance trading platforms, implement new trading products and algorithms, maintain system architecture, and ensure system reliability and efficiency. Interaction with traders and researchers for new features development is essential.
Top Skills: C#C++JavaPython
2 Days Ago
London, UK
Entry level
Entry level
Information Technology • Consulting
As a Quality Engineer, you will collaborate with team members and clients to ensure quality in software delivery. Your responsibilities include designing and executing tests, recording defects, automating APIs with REST, and utilizing BDD frameworks like Cucumber. You'll actively engage in daily stand-ups and share knowledge to enhance the team's skills in a hybrid work environment.
Top Skills: Java
2 Days Ago
Remote
London, UK
Senior level
Senior level
Information Technology • Consulting
The Senior Java Full Stack Engineer will manage full stack application development, owning the entire development lifecycle from design to deployment. Responsibilities include developing innovative applications, working in an XP environment with remote pairing, and utilizing a range of technologies to ensure reliable, high-quality code.
Top Skills: JavaKotlinReactScala
2 Days Ago
Remote
London, UK
Senior level
Senior level
HR Tech • Information Technology
As a Senior Back-End Engineer, you will design and develop secure APIs, build integrations, own the implementation cycle, collaborate with cross-functional teams, and contribute to architectural decisions to support rapid company growth.
Top Skills: JavaPython
4 Days Ago
Remote
London, UK
Mid level
Mid level
Software
As a Full Stack Java AWS Engineer, you will develop market-leading micro-services for the FICO platform, ensuring quality through automated testing and adhering to agile development practices. You will work through the full lifecycle of software services, integrating client needs and adhering to architectural standards.
Top Skills: Java
5 Days Ago
Remote
London, UK
Expert/Leader
Expert/Leader
Information Technology
The Senior Java Developer will design and implement microservices for a cloud contact center platform. Responsibilities include leading the development team, mentoring engineers, conducting code reviews, and collaborating across teams to ensure high-quality software solutions.
Top Skills: Java
4 Days Ago
London, UK
Senior level
Senior level
Fintech
The role involves developing and maintaining middleware solutions built on Java frameworks and messaging systems. Key responsibilities include creating integration flows, collaborating with various teams, conducting code reviews, and adhering to compliance and documentation standards.
Top Skills: Java
4 Days Ago
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
As a Senior Software Engineer at Lloyds Banking Group, you will build and maintain large-scale applications using Java and associated technologies. You are expected to mentor team members while fostering an agile culture and implementing modern engineering practices. You'll be responsible for ensuring high performance and resilience in customer data systems as part of a dynamic team.
Top Skills: Java
24 Days Ago
Hybrid
London, UK
Entry level
Entry level
Fintech • Payments • Financial Services
As a Software Engineer at Zopa, you will build various services, collaborate with a cross-functional team, engage in requirement gathering, and ensure quality code delivery while participating in architectural and operational responsibilities.
Top Skills: Java,Kotlin
14 Days Ago
Remote
London, UK
Senior level
Senior level
Information Technology • Consulting
The Lead Software Engineer will provide technical leadership to a team, focus on designing and maintaining Java applications, and manage cloud-native solutions on Azure with Kubernetes. Responsibilities include implementing CI/CD pipelines and mentoring team members. The role emphasizes architectural decision-making and collaboration with various stakeholders to align engineering efforts with business objectives.
Top Skills: Java
7 Days Ago
London, UK
Senior level
Senior level
Payments
The Senior Software Engineer will design and implement microservices in Java, develop secure and scalable software solutions, mentor junior engineers, and collaborate with cross-functional teams to enhance developer experience while ensuring adherence to engineering principles and security guidelines.
Top Skills: GoJava
16 Days Ago
Remote
London, UK
Senior level
Senior level
Information Technology
The Senior Java Developer will lead the design and development of microservices as part of the Outbound Campaigns Team. Responsibilities include architecting scalable solutions, providing technical guidance, conducting code reviews, and collaborating with cross-functional teams. The ideal candidate has extensive experience in building high-performance microservices and will ensure high code quality while mentoring junior engineers.
Top Skills: Java
17 Days Ago
Remote
London, UK
Senior level
Senior level
Information Technology
The Senior Java Developer will lead the design and implementation of scalable microservices for an advanced cloud contact center platform. Responsibilities include mentoring engineers, conducting code reviews, addressing technical debt, and collaborating with cross-functional teams while ensuring high code quality and performance.
Top Skills: Java
18 Days Ago
Remote
London, UK
Senior level
Senior level
Information Technology
The Senior Java Developer will lead the design and development of scalable microservices for a cloud contact center platform. Responsibilities include architecting solutions, mentoring team members, conducting code reviews, and collaborating with cross-functional teams to enhance enterprise campaign management features.
Top Skills: Java
3 Days Ago
Remote
London, UK
Mid level
Mid level
Hardware • Information Technology • Other • Software • Analytics
As a Senior Software Developer at Transporeon, you will develop and implement customer-specific logistics solutions using Java and related technologies. You'll collaborate with internal stakeholders, manage support tickets, ensure code quality, and provide technical support for customer integrations while mentoring less experienced colleagues.
Top Skills: Java
4 Days Ago
Remote
London, UK
Junior
Junior
Hardware • Information Technology • Other • Software • Analytics
As a Software Engineer, you'll develop backend services in Java and Spring Boot for transportation software solutions, overseeing service development, testing, and deployment while ensuring best practices in coding and CI/CD. You'll work within a global team environment, contributing innovative solutions and maintaining high-quality standards.
Top Skills: Java
3 Days Ago
Remote
London, UK
Senior level
Senior level
Hardware • Information Technology • Other • Software • Analytics
The Senior Software Engineer will develop innovative platform services for the transportation domain, focusing on backend services using Java and Spring Boot. Responsibilities include architecture design, service development, maintenance, and ensuring best practices in coding and collaboration with cross-functional teams.
Top Skills: Java
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