Senior Software Engineer - Xsolla Quests
Baku / Serbia
Technology – AdTech: Quests /
Hybrid
ABOUT US
At Xsolla, we believe that great games begin as ideas, driven by the curiosity, dedication, and grit of creators around the world. Our mission is to empower these visionaries by providing the support and resources they need to bring their games to life. We are committed to leveling the playing field, ensuring that every creator has the opportunity to share their passion with the world.
Headquartered in Los Angeles, with offices in Berlin, Seoul, and beyond, we partner with industry leaders like Valve, Twitch, and Ubisoft to clear the paths for innovation in gaming. Our global reach spans over 200 geographies, offering more than 700 payment methods in 130+ currencies.
Longevity Opportunity Vision Enjoy the game!
ABOUT YOU
We’re looking for a Senior Backend Engineer to help build and scale Xsolla’s Quests product - with emphasis on social quest - a gamified engagement system that rewards players for completing verifiable actions across social platforms.
You bring deep experience in backend development (preferably Go), strong familiarity with microservices and event-driven architecture, and a track record of building scalable systems. You’re excited about creating experiences that connect players’ social actions with real in-game value and help publishers drive meaningful community engagement.
ABOUT THE QUESTS TEAM
The Quests team (social quests part) is responsible for designing and developing a flexible questing system that spans social media platforms like Discord, Twitter, Reddit, and YouTube. The product integrates with the other Xsolla’s products and also rewards services, CDP and others to deliver seamless campaigns and real-time incentives to players.
We work across event processing pipelines, webhook ingestion, fraud protection, and analytics to enable publishers to run effective campaigns and track results.
Responsibilities
- Design and build backend services for the Quests platform (Social Quests), including identity mapping, quest validation, and reward fulfillment
- Scale the system to support real-time ingestion and processing of high-volume social media engagement events
- Integrate with third-party APIs (Discord, Twitter, YouTube, Reddit, etc.) and internal Xsolla services
- Implement Temporal-based workflows for verifying social actions and orchestrating multi-step quests
- Own services in production, set up monitoring (Datadog), and respond to incidents
- Collaborate with product, frontend, design, and partner teams to ship reliable and impactful features
- Contribute to the definition of quest types, fraud mitigation logic, and extensible event schemas
- Participate in architecture discussions and roadmap planning
Qualifications & Skills
- 5+ years of backend development experience
- Strong proficiency in Go or similar backend language (e.g. Java, Kotlin, Python)
- Experience with scalable, distributed systems and working with a high-scale production environments
- Proficient in PostgreSQL, Redis, RabbitMQ and Kafka
- Familiarity with container orchestration (Kubernetes) and observability (Datadog, OpenTelemetry)
- Understanding of caching strategies, CDC, API design, security best practices
- Comfortable with CI/CD pipeline and writing unit and integration tests
- Experience with Temporal or similar orchestration systems
- Familiarity with gamification mechanics (quests, rewards)
- Prior work in AdTech domain and gaming domain
Nice to Have
