--- title: 'Senior Backend Engineer at Xsolla' canonical: 'https://feeny.ai/job/senior-backend-engineer-xsolla-russia-dakftjrpn6sv' type: 'job' last_seen: '2026-10-20' --- # Senior Backend Engineer at Xsolla - **Company:** Xsolla - **Location:** Russia - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-10-19 - **Last confirmed live:** 2026-10-20 - **Apply:** https://jobs.lever.co/xsolla/208b66cc-9bba-4d1a-af57-e1b55c114207 ## Job description ## ABOUT US Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game. For more information, visit xsolla.com. ## The role ## THE ROLE We are hiring a Senior Backend Engineer for two platform products: - Xsolla ID is the identity and authentication platform behind sign-in, account management and SSO across Xsolla products. - Xsolla ZK is Web3 wallet infrastructure: smart wallets and account abstraction on a zkSync-based L2. Both products sit on users' most sensitive flows, logging in and signing transactions, and other Xsolla teams build on top of them. ## WHAT YOU WILL OWN - The backend services of your product area end to end: design, implementation, release and production operation, including on-call - Architecture across services: service boundaries, integration contracts and data ownership. You make these decisions and justify them in writing - Reliability and security of critical flows: SLOs, failure handling, protection of user data and credentials - Service performance and cost under load ## WHAT YOU WILL DO - Design and build services and APIs (REST, gRPC) for authentication, account management and wallet operations - Define service boundaries and integration contracts with other Xsolla teams - Design data models and storage; optimize schemas and queries - Build event-driven and asynchronous workflows - Own observability: metrics, logs, tracing and alerting, and act on what production tells you - Take part in on-call, incident response and post-mortems - Improve the engineering environment: CI/CD, infrastructure-as-code, testing - Review code - Set up and maintain AI tooling in the repositories (Claude Code, Codex, Cursor: rules, context, harness) so the team uses it effectively ## Responsibilities - Language and platform - 5+ years of commercial backend development - Go: idiomatic code, concurrency (goroutines, channels, context and cancellation), memory and performance profiling (pprof) Data - Relational databases (PostgreSQL, MySQL): schema design, indexes, query plans, transactions and isolation levels, safe migrations - Caching (Redis): when to cache, invalidation, consistency trade-offs Distributed systems - Service architecture and distributed-systems trade-offs: consistency, availability, idempotency, retries, failure modes - Asynchronous messaging and event-driven design (Kafka, RabbitMQ or NATS): delivery guarantees, ordering, reprocessing APIs - Designing REST and gRPC APIs: versioning, backward compatibility, contract documentation (OpenAPI / Swagger, Protobuf) Security and identity - Application security: common vulnerability classes (OWASP Top 10), secrets management, safe handling of user data - OAuth 2.0 / OIDC from the server side: flows, tokens, sessions Operations - Containers and orchestration (Docker, Kubernetes) at the level of deploying and debugging your own services - Observability (we use Datadog; experience with Prometheus, Grafana, ELK / Graylog or OpenTelemetry also counts): metrics, logs, tracing and alerting; diagnosing incidents in production Engineering practices - Testing: unit, integration, contract - Git, CI/CD (GitLab CI or similar) AI-assisted engineering - Daily hands-on use of AI coding tools (Claude Code, Codex, Cursor) for development and review, including configuring them for a repository English - - Reading technical documentation in English ## Nice to Have - Web3 backend experience: blockchain integration, wallet infrastructure, account abstraction - High-load systems - Cloud platforms (GCP, AWS or Azure) and infrastructure-as-code - NoSQL databases (MongoDB or similar) - Domain experience in gaming, e-commerce, fintech or payments ## HOW WE WORK - Decisions in writing. Significant technical decisions are written up as an RFC or ADR that lays out the options and trade-offs. We discuss the document, not a blank whiteboard. - AI is part of everyday engineering. We use AI coding tools for development and review, and we treat configuring them for a codebase as real engineering work. ## HOW WE HIRE - Intro call. Your background, your motivation and the role. - Technical interview. Built directly on the What you will own and Required sections above. We won't ask about anything this posting doesn't promise. - Bar raiser. An engineer from outside the hiring team checks that you raise the overall engineering bar. ## THE TEAM You will work alongside product managers, designers, backend and frontend engineers, QA and DevOps. ## BENEFITS We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees and their families through a comprehensive Benefits Program. This includes medical, dental, and vision, PTO, and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we're not just building a business; we're cultivating a community that values creativity, collaboration, and the transformative power of play. ## EMPLOYMENT DETAILS Location: Remote (worldwide) Employment Type: Full-time Schedule: 10:00–19:00 (flexible) Contract: Employment agreement (entity or EOR arranged per candidate location) ## EQUAL EMPLOYMENT STATEMENT Xsolla is dedicated to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, language, sexual orientation, national origin, genetics, political beliefs, disability, age, marital status, social background or other characteristics. We are committed to compliance with all fair employment practices regarding citizenship and immigration status. ## CONTACT If you have questions regarding our hiring practices, please contact careers@xsolla.com. For more vacancies, visit xsolla.com/careers. ## About Xsolla ## Company Overview - **One-liner**: Xsolla is a global commerce and financial technology company that provides a comprehensive suite of tools and services for video game developers and publishers, including payments, distribution, marketing, and monetization solutions. - **Entity Type**: Private (Privately Held) - **Headquarters**: Sherman Oaks (Los Angeles), California, United States - **Founded**: 2005 - **Founders**: Aleksandr Agapitov (Founder & CEO) ## Core Business - **Industries**: Video game commerce, financial technology, payment processing, distribution, and capital markets for interactive entertainment. - **Target Customers**: B2B – game developers and publishers of all sizes, from indie studios to AAA enterprises. - **Mission**: "We bring opportunities together for the video game industry" – helping creators fund, launch, distribute, and monetize games globally. ## Products & Services - **Xsolla Payment Solutions**: Global payment orchestration supporting 1000+ payment methods, 130+ currencies, and 200+ geographies. Operates as the merchant of record. - **Xsolla Web Shop**: White-label direct-to-consumer storefronts that allow developers to sell games and in-game items with higher margins. - **Xsolla Launcher & Distribution**: Cross-platform game distribution tools and launcher solutions for PC and mobile. - **Xsolla Partnership Network**: Marketing and audience acquisition services. - **Xsolla Capital Markets Group (CMG)**: Institutional capital platform providing debt, credit, and special situations financing for game studios, supported by proprietary market intelligence and an LP/investor network. - **Xsolla Storefront** (in development): White-label Android game store designed for large-file distribution, download management, and multi-tenant theming. - **Xsolla Anti-Fraud & Compliance**: Risk management and compliance tools tailored to digital gaming transactions. ## Market Standing - **Valuation**: Not publicly available. - **Annual Revenue**: ~$100 million (source: LinkedIn data). - **Total Funding**: Not disclosed (private, bootstrapped/growth equity?). - **Notable Partners & Clients**: Valve, Twitch, Epic Games, PUBG Corporation, and thousands of other game developers (1,500+ mentioned on careers page). - **Growth Signals**: - 1,079 full-time employees (as of 2025; up ~22% YoY based on earlier LinkedIn data). - 16 global offices across Los Angeles, London, Berlin, Dubai, Kuala Lumpur, Tokyo, Beijing, and more. - 3,000+ direct-to-consumer web shops launched. - 258,343,632 Pay Station visits in 2024. - 180.5 million average daily developer API calls. - 99.98% platform uptime over the past 12 months. - Active expansion of Capital Markets Group with hires in New York, Middle East, and Singapore. ## Competitive Advantages - **Exclusive video game focus** – All products and services are built specifically for the games industry, unlike generic payment processors. - **Global merchant of record** – Handles tax, compliance, and fraud in 200+ territories, reducing friction for developers. - **Relationships with major platforms** – Deep integrations with Steam, Twitch, Epic Games Store, etc. - **Scale and reliability** – Proven ability to handle hundreds of millions of transactions annually with near-perfect uptime. - **Capital and investment arm** – Unique ability to provide financing to studios, creating stickiness and aligning incentives. ## Strategic Focus - Scaling the **Capital Markets Group** as an independent institutional platform serving the interactive entertainment ecosystem (debt, special situations, principal investments). - Building a **white-label Android game store** to capture mobile distribution and compete with traditional app stores. - Deepening **AI integration** across QA, testing, and hiring processes (Director of QA role explicitly mentions AI-assisted testing; AI used in recruitment). - Expanding presence in high-growth markets: **Japan** (CMO/VP Marketing role), Middle East, and Southeast Asia. ## Why Work Here - **Culture**: "We build from the inside out" – competitive salary, flexible time off, hybrid/remote options, health insurance, retirement programs, family leave, generous in-office amenities, disability and life insurance. - **Work Model**: Hybrid and remote available across global offices. - **Engineering Culture**: High ownership, modern stack (Android/Kotlin, large-file distribution, multi-tenant theming, CI/CD, cloud infrastructure). Engineers work on greenfield projects like the white-label game store. - **Growth Opportunities**: New hires in the Capital Markets group have "executive sponsorship, meaningful ownership, and the mandate to build a durable franchise." Rapidly scaling company with expanding teams. - **Global, diverse team**: Employees from 52+ countries; offices in 12 countries. ## Sources 1. [Xsolla Careers](https://xsolla.com/careers) 2. [LinkedIn – Xsolla Company Profile](https://linkedin.com/company/xsolla) 3. [Xsolla About Us](https://xsolla.com/about-us) 4. [Xsolla Culture & Values](https://xsolla.com/our-culture-and-values) 5. 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