Kotlin Developer

About Valka.ai

Valka, a visionary spin-off from the Realms Group (the parent company of Oddin.gg), is on a mission to revolutionize the way people create and experience digital content. Our team believes that content shouldn’t just be consumed; it should be co-created in real time, blurring the lines between imagination and reality. By harnessing the power of cutting-edge AI, we aim to build an interactive human-digital platform where virtual characters respond dynamically to each user’s voice, text, gestures, and more.

This is your chance to join a diverse group of innovators who are driven to redefine what’s possible in generative content. Together, we’re changing the paradigm from passive viewing to active participation, unlocking new creative frontiers across gaming, entertainment, education, and beyond.

What You Will Be Doing

• Build and maintain backend services in Kotlin for our product platform
• Design and implement interfaces between internal components and public clients (REST/gRPC/Kafka)
• Implement new features end-to-end together with the team (design discussion → implementation → rollout)
• Develop backend for our landing page, with interactive gamification features
• Work with machines in our data center, as well as cloud platform on AWS
• Help improve reliability and performance (monitoring, caching, availability) with guidance from the team
• Be part of a collaborative, cross-domain product team, closely cooperating with other Kotlin developers, as well as AI specialists.
• Learn and grow through pairing, code reviews, and mentoring

Skills you need

• 1+ years of experience with Kotlin
• Good understanding of backend fundamentals and interest in learning cloud & distributed systems
• Good understanding of backend fundamentals and willingness to learn modern tools for content-based applications
• Familiarity with API design (REST/GraphQL/gRPC)
• Some experience deploying code to cloud (AWS/Azure/GCP) or strong interest in learning
• Knowledge of Docker and basic infrastructure (a plus)
• Terraform or Kubernetes experience (a plus)
• Familiarity with Agile development practices
• Interest in esports (a plus!)

  By applying to this position, you consent to Valka.AI s.r.o., ID No.: 231 32 221, Pod dráhou 1637/6, Holešovice, 170 00 Praha 7, Czech Republic together with it's subsidiaries processing your personal data under Regulation (EU) 2016/679.   Your data will be processed for recruitment and may be retained for up to 3 years for similar job opportunities. Rights: Access, correct, delete, restrict, or object to processing; withdraw consent via soulforge@valka.ai; or complain to .