Unlock Full Resume Report

New offer - be the first one to apply!

September 5, 2026

Senior Scala engineer

Senior • On-site

27,000 - 30,000 PLN/yr

Krakow, MA, Poland

The Opportunity

Own features across SSP, Adserver, and Exchange products that process hundreds of thousands of requests per second and run real-time auctions matching advertisers with mobile audiences globally. Join the adserver team, working in functional Scala while helping drive a multi-year transition to Java.

What You’ll Do

  • Own design, implementation, and testing across SSP, Adserver, and Exchange products
  • Drive the migration of core platform components from Scala to Java
  • Partner with engineers, architects, and Operations to ship enhancements and resolve issues
  • Lead technical discussions and propose improvements to product and process
  • Troubleshoot issues across the application, underlying technologies, and infrastructure
  • Develop technical depth continuously across the stack
  • Ship quality work on schedule while driving developer productivity organization-wide
  • Use AI development tools to streamline the product development process

What You’ll Bring

Essential

  • BS in Computer Science or related field
  • 1+ years of Scala programming experience
  • 2+ years of Java programming experience
  • 6+ years of software engineering experience
  • Experience designing and implementing microservices in high-capacity, high-traffic, high-availability systems, developed through Agile practice

Nice to Have

  • Advertising technology experience
  • Experience with Python
  • NoSQL database experience, such as MongoDB, Bigtable, or Aerospike
  • Experience with distributed messaging services such as Kafka or PubSub
  • Data engineering skills
  • Cloud infrastructure management experience with AWS or GCP
  • Familiarity with Git or Bitbucket

What We Offer

  • Hybrid working with a flexible schedule
  • One month of work-from-anywhere
  • Annual performance bonus
  • Multikafeteria sport/culture card

Similar jobs you might like