Principal Backend Engineer — Java & Cloud (Hybrid)

capco; United States; Hybrid; USD 132,000 - 185,000; Full time

Job summary

Capco in London is seeking a Principal Backend Engineer specializing in Java to design and deliver scalable enterprise services. You will craft APIs and microservices, work across cloud platforms, and contribute to architecture decisions.

You’ll apply AI-enabled workflows with human review, collaborate in agile teams, and help drive quality through automated testing and robust engineering practices.

Qualifications

• Expertise in Java 11, 17+ and Spring Boot.
• Experience with cloud-native and distributed architectures.
• Experience delivering large-scale enterprise backend systems.

Responsibilities

• Build and deliver scalable backend services using Java 11, 17+, designing APIs and microservices for enterprise systems.
• Work across cloud platforms, particularly AWS, applying cloud-native deployment techniques.
• Develop robust automated test coverage across unit, component, integration, end-to-end and performance testing.
• Collaborate with clients, product managers and engineers in agile teams to design, deliver and troubleshoot large-scale distributed systems.
• Use approved AI tools, automation and AI-enabled workflows to support engineering activities with human review and responsible AI controls.

Skills

Java

Spring Boot

AWS

Microservices

Cloud-native

Distributed systems

Job description

Capco in London is seeking a Principal Backend Engineer specializing in Java to design and deliver scalable enterprise services. You will craft APIs and microservices, work across cloud platforms, and contribute to architecture decisions.

You’ll apply AI-enabled workflows with human review, collaborate in agile teams, and help drive quality through automated testing and robust engineering practices.