Appodeal
Appodeal is a dynamic US-based product company with a truly global presence.
We have offices in Warsaw, Barcelona and Virginia along with remote team members located around the world.
Our company thrives on diversity, collaboration, and innovation, making us a leader in the mobile app monetization space.
About BidMachine
BidMachine is a high-performance ad exchange platform that connects mobile apps with global advertisers in real time. When a user opens an app and needs to see an ad, BidMachine processes the request, holds an auction among advertisers, and delivers the winning ad — all in under 200 milliseconds. Every day we handle over 41.5 billion ad requests from 262+ million unique users worldwide.
We are now looking for an experienced Senior Scala Developer to join our core engineering team in Poland and help us scale, optimize, and evolve our real-time ad platform.
What You’ll Do
- Design, implement, and maintain highly scalable backend services written in Scala.
- Collaborate closely with engineers, data scientists, and product managers to define requirements and deliver impactful features.
- Contribute to system architecture, performance optimization, and fault tolerance improvements.
- Review code, share best practices, and help raise the technical bar for the team.
- Participate in planning and take a proactive role in shaping the technical roadmap.
💡 At BidMachine, you’ll work with talented engineers who build systems designed for massive scale, real-time performance, and measurable impact.
Why Join Us
- Work on a global-scale, high-load system that processes billions of real-time requests daily.
- Join a team that values engineering excellence, knowledge sharing, and autonomy.
- Be part of a collaborative, data-driven culture where ideas matter and innovation is encouraged.
- Flexible work setup — hybrid or remote within Poland.
Language & Team Culture
We appreciate:
- Teamwork — helping and learning from each other.
- Critical thinking — questioning and improving processes.
- Ownership — making decisions and standing by them.
- Curiosity — willingness to grow and explore beyond your comfort zone.
With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team.
Join us and help shape the future of mobile app success!
What We’re Looking For
- Solid hands-on experience with Scala, ideally with functional / typelevel programming (cats-effect, fs2).
- Proficiency with SQL databases, especially PostgreSQL.
- Understanding of distributed systems, data flow, and high-performance architectures.
- Curiosity, willingness to learn, and openness to feedback — we value engineers who grow together with the team.
Nice to Have
- Experience with container technologies such as Docker or Kubernetes.
- Familiarity with Kafka or other messaging systems.
- Interest in exploring other languages or stacks (Python, TypeScript, UI/UX tools).
