We are looking for a Senior Backend Developer to join our HCM Localisation engineering team and help evolve a large-scale, cloud-based enterprise product. This role is focused on building and maintaining scalable backend services supporting complex product workflows, integrations, performance improvements, and ongoing platform modernisation.

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* Please note: This is a hybrid role requiring 3 days per week in our Barcelona office *
In this role you'll:
- Design, develop, and maintain robust backend services using Scala 2.13 and Play Framework in a Pekko-based environment.
- Build clean, testable, and maintainable code using functional programming principles, immutability, pattern matching, and asynchronous programming with Futures.
- Work with MySQL to design efficient data access patterns, optimize queries, tune indexes, and profile database performance.
- Develop, deploy, and support services in AWS,



working closely with DevOps and platform teams to ensure reliable delivery.
- Contribute to CI/CD pipelines, Git-based pull request workflows, code reviews, and engineering best practices.
- Collaborate with frontend engineers, QA, product owners, solution designers, and other backend developers to deliver high-quality product increments.
- Support production stability by investigating issues, improving observability, and continuously reducing technical debt.

Required Skills and Experience:
- Extensive professional backend development experience, ideally in enterprise, SaaS, or cloud-based product environments.
- Strong hands-on experience with Scala, including collections, Futures, immutability, pattern matching, error handling, and clean functional design.
- Commercial experience with Play Framework or comparable JVM backend frameworks; Pekko or Akka experience is highly relevant.
- Strong understanding of relational d

📌 Senior Software Developer (Barcelona)
🏢 Sage
📍 Barcelona