Back End Developer

Greeting you from Capco

At Capco, our Values guide how we work, how we lead, and how we make decisions every day. They define what we stand for as a company and set the standards we hold ourselves to — with our clients, our colleagues, and our communities.

Our Values are the foundation of who we are. They reflect our people-first culture and remind us that our success is built on integrity, collaboration, and purpose.

As a Backend Engineer, you’ll design, build, and maintain the server-side systems that power our applications. You’ll focus on how data is stored, processed, and served via APIs—ensuring our services are performant, secure, reliable, and scalable.

Key responsibilities

- Design, develop, and maintain backend services like procedure/functions linked to APIs for integrations.

- Build and optimise data models, database queries, and storage strategies.

- Ensure high performance and reliability through profiling, monitoring, and tuning.

- Implement secure-by-design practices (authentication/authorisation, data protection, secure coding).

- Design scalable architectures and contribute to system design decisions.

- Write clean, well-tested, maintainable code; contribute to code reviews and engineering standards.

- Troubleshoot production issues, perform root-cause analysis, and drive preventative improvements.

- Collaborate with frontend engineers, product, QA, and platform/SRE teams to deliver end-to-end outcomes.

- Document APIs, services, and operational runbooks to support long-term maintainability.

Skills & Experience

- Strong backend engineering fundamentals: data structures, algorithms, concurrency, and distributed systems basics.

- Experience building server-side applications and APIs (REST and/or event-driven patterns).

- Solid understanding of databases like PostgreSQL, indexing, transactions, and data consistency.

- Practical experience with testing strategies (unit/integration), CI/CD, and version control.

- Ability to design systems that handle high throughput and large volumes of operational tasks.

- Strong problem-solving skills and a language-agnostic mindset.

- We’re open to engineers proficient in any of the following: Python, Java, C++, C#, Clojure, CoffeeScript, F#, JavaScript, Go, Ruby, Rust, TypeScript, Scala.