Senior Scala Developer

Digis is seeking a Senior Scala Engineer to join our remote team.

About Digis

Digis is a European IT company with 200+ specialists delivering complex SaaS products, enterprise solutions, and AI-powered platforms worldwide.

About the Project
The client is a global B2B technology company that provides high-performance platforms for CRM, Payment Gateway, and other products.

They build advanced technology solutions for one of the most dynamic and high-load industries in the market.

This is a long-term project focused on further development, scaling, and optimization of backend systems that process large volumes of real-time transactions.

Responsibilities

• Develop and maintain backend services using Scala.
• Work with Akka Streams / Apache Pekko.
• Build and optimize microservices handling high transaction volumes.
• Integrate third-party payment providers, and cryptocurrency payment methods.
• Improve transaction processing performance and reduce API latency.
• Implement audit logging, event sourcing, monitoring, and distributed tracing.
• Write, test, debug, and maintain high-quality code.
• Participate in code reviews and collaborate with the Tech Lead, developers, QA, and other team members.
• Maintain and update technical documentation.

Requirements
• 5+ yearsof overall professional software development experience.
• 3+ yearsof experience with Scala.
• 2+ yearsof experience with Akka Streams or Apache Pekko.
• Experience with high-load backend systems or microservices.
• English B1+ and above.

Project Tech Stack
• Scala
• Akka Streams / Apache Pekko
• Java
• AWS
• NoSQL
• CI/CD pipelines
• REST / gRPC APIs
• Microservices architecture

Why This Project May Be Interesting

• Truly high-load, real-time systems: the platform supports around 1.5 million active users monthly, processes around 1 million transactions daily.
• Complex engineering challenges that are difficult to find in an average product company.
• No time tracker and no need to report every working hour.
• Long-term cooperation on a technically strong and scalable product.