Middle Software Engineer (PHP)
Xsolla is a video game commerce company that provides a suite of tools and services—including merchant of record payment processing, tax management, fraud prevention, compliance, refunds, dispute management, and end-user support—to help game developers and publishers launch, grow, and monetize their games globally. It serves video game developers, publishers, and studios of all sizes across global and regional markets.
About Xsolla
Xsolla connects the tools, systems, payments, and web shops used by the video games industry, positioning itself as a global merchant of record supporting over 1,000 payment methods and a cumulative audience of 50 million, with transaction fees around 5%. Its services include tax management, fraud monitoring and prevention, global and regional regulatory compliance, refund and dispute management, and end-user payment support. Xsolla's product lineup includes the Xsolla SDK for native in-app payments on side-loaded apps and alternative app stores, a Buy Button enabling link-out purchases from iOS mobile games in the U.S., and Web Shop for building customized, direct-to-consumer game storefronts. The company works with major gaming industry partners and clients such as Mytona, Ubisoft, MARVEL SNAP, and others, and highlights partner success stories, industry events, and its own culture and hiring initiatives on its site.
Skills
About the Role
You will design, build, and maintain backend services and APIs using PHP and Go, ensuring scalability, reliability, and high performance. You'll develop new microservices and enhance existing systems to support large-scale integrations and high-load payment flows. You will participate in code reviews and help maintain high development standards through collaborative feedback and best practices. You'll work closely with engineering, product, and partner teams to deliver high-quality solutions on schedule. You will contribute to system monitoring using tools such as Grafana, Kibana, and ELK to ensure stability and optimal performance. You'll document technical specifications, system architecture, and new functionalities for transparency and maintainability, and participate in Kanban ceremonies while maintaining efficient communication with cross-functional teams.
Requirements
- Proven experience in backend development with strong proficiency in PHP and GoLang
- Solid understanding of object-oriented programming (OOP), software design patterns, and decomposition principles
- Experience with microservices architecture and scalable backend systems
- Strong knowledge of SQL and database design, including optimization for large datasets
- Familiarity with Postman, GitLab, console and other development tools
- Experience using monitoring and testing tools such as Grafana, Kibana, DataDog and ELK
- Ability to work independently on complex technical tasks and deliver high-quality results within deadlines
- Strong communication skills and ability to collaborate effectively with cross-functional teams
Responsibilities
- Design, build, and maintain backend services and APIs using PHP and Go, ensuring scalability, reliability, and high performance
- Develop new microservices and enhance existing systems to support large-scale integrations and high-load payment flows
- Participate in code reviews and maintain high development standards through collaborative feedback and best practices
- Work closely with engineering, product, and partner teams to deliver high-quality solutions on schedule
- Contribute to system monitoring using tools such as Grafana, Kibana, and ELK to ensure stability and optimal performance
- Document technical specifications, system architecture, and new functionalities for transparency and maintainability
- Participate in Kanban ceremonies and maintain efficient communication with cross-functional teams