Senior Software Engineer

1 Day ago • 5 Years + • Software Development & Engineering

Job Summary

Job Description

Xsolla is seeking a Senior Backend Engineer to help build and scale its Quests product, a gamified engagement system that rewards players for completing verifiable actions across social platforms. The ideal candidate will have deep experience in backend development, preferably with Go, and be familiar with microservices and event-driven architecture. The role involves designing and building backend services, scaling the system for high-volume social media engagement events, integrating with third-party APIs, and owning services in production. Collaboration with product, frontend, design, and partner teams is essential. The Quests team focuses on event processing, webhook ingestion, fraud protection, and analytics to enable publishers to run effective campaigns and track results.

Must have:

5+ years of backend development experience
Strong proficiency in Go or similar backend language
Experience with scalable, distributed systems
Proficient in PostgreSQL, Redis, RabbitMQ, and Kafka
Familiarity with container orchestration (Kubernetes)
Comfortable with CI/CD and writing tests

Good to have:

Experience with Temporal or similar orchestration systems
Familiarity with gamification mechanics
Prior work in AdTech or gaming domain

9 skills required

9 skills required for this role

Add these skills to join the top 1% applicants for this job

postgresql

rabbitmq

redis

ci-cd

microservices

kubernetes

kotlin

python

java

Job Details

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

Nice to Have