Principal Backend Developer (Java)

About the role

Principal Backend Engineer – Java Location: Glasgow (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent

Architect the next generation of financial platforms. Lead with Java expertise. Deliver impact at scale.

The Role We’re looking for a Principal Backend Engineer (Java) to join our Technology & Engineering team. This leadership-level role calls for deep technical acumen, a security-first mindset, and strong coaching capabilities. You’ll architect cloud-native backend systems, shape our engineering standards, and mentor teams to deliver high-performance platforms for global financial clients.

This role will sit in our Scotland office, with a need to potentially work in either Glasgow or Edinburgh depending on client expectations.

What You’ll Do

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Lead the design and development of secure, scalable backend systems using Java 11+ and Spring Boot

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Architect distributed microservices and event-driven systems deployed to public cloud (preferably AWS)

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Guide technical decision-making across teams and align solutions to enterprise strategies

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Champion engineering excellence, continuous improvement, and a test-first culture

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Coach developers, shape delivery processes, and influence broader engineering practices across Capco

What We’re Looking For

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Expertise in Java 11/17+, Spring Boot, and AWS-based enterprise cloud solutions

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Proven track record architecting secure, scalable services using microservices and CQRS patterns

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Strong experience in CI/CD pipelines, SQL/NoSQL, Kafka, CloudFormation, and streaming frameworks

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Advanced understanding of system security protocols (e.g., OAuth, IAM, TLS, encryption)

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Leadership capability to manage and mentor teams while driving technology strategy

Bonus Points For

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Contributions to thought leadership, mentoring, or RFPs within consultancy or tech environments

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Hands-on experience with GitLab CI/CD, Cucumber, and Behaviour Driven Design

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AWS Certified Solutions Architect (Associate or Professional)

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History of delivering large-scale customer-facing applications

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Passion for experimenting with new tools and approaches within backend engineering

Why Join Capco

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Deliver high-impact technology solutions for Tier 1 financial institutions

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Work in a collaborative, flat, and entrepreneurial consulting culture

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Access continuous learning, training, and industry certifications

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Be part of a team shaping the future of digital financial services