Middle Software Engineer (PHP)
Xsolla (USA), Inc., operating under the Xsolla brand, is a global video game commerce and payments company serving game developers, publishers, creators, and payment providers.
Maintainer signals as of 9/25/2026
Projects
About Xsolla (USA), Inc.
Xsolla provides merchant-of-record and payment-processing services plus direct-to-consumer commerce, web shops, publishing and distribution tools, cloud gaming, fraud prevention, player engagement, creator monetization, and developer tooling for the video game industry. Its solutions operate across 200+ geographies with 1,000+ payment methods and are actively supported through live products, documentation, customer support, and ongoing hiring.
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'll participate in code reviews, collaborate with engineering, product, and partner teams, contribute to system monitoring, document technical specifications and system architecture, and participate in Kanban ceremonies.
Requirements
- Proven experience in backend development with strong proficiency in PHP and GoLang
- Solid understanding of object-oriented programming, 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
- Nice to have experience with high-load systems, event-driven architectures, CI/CD tools, frontend development, single-page applications, or AI-powered development tools
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