Principal Backend Developer (Java)

Overview

As a Principal Backend Engineer (Java) you will architect secure, cloud-native backend systems and guide engineering standards for global financial clients. You’ll lead multi-team delivery, coach engineers, and ensure high-performance, scalable services. The role centers on Java-based microservices, AWS deployments, and security-first design to support Capco’s enterprise strategies. You’ll influence technical direction, shape delivery processes, and foster a culture of test-first excellence. This is a leadership role in Scotland with impact across Capco’s digital financial services initiatives.

Pay / Benefits

• discretionary bonus
• competitive pension
• health insurance
• life insurance
• critical illness cover
• mental health support

Responsibilities

• Lead the design and development of secure, scalable backend systems using Java 11+ and Spring Boot
• Architect distributed microservices and event-driven systems deployed to public cloud (preferably AWS)
• Guide technical decision-making across teams and align solutions to enterprise strategies
• Champion engineering excellence, continuous improvement, and a test-first culture
• Coach developers, shape delivery processes, and influence broader engineering practices across Capco

Key requirements

• Java 11/17+ proficiency
• Spring Boot expertise
• AWS-based enterprise cloud solutions experience
• Experience architecting secure, scalable services with microservices and CQRS patterns
• Strong CI/CD, SQL/NoSQL, Kafka, CloudFormation knowledge
• Understanding of security protocols (OAuth, IAM, TLS, encryption)
• Leadership capability to mentor teams and drive technology strategy

• leadership
• coaching
• cross-functional collaboration
• Java 11+/17+
• Spring Boot
• AWS

…