Senior Software Engineer (PHP)

Location: Kuala Lumpur; Baku Workplace: onsite ABOUT YOU We’re looking for a Senior Software Engineer to join Xsolla and help build and scale the technology that powers global gaming commerce. In this role, you’ll work on high-impact projects with some of the world’s leading gaming companies, developing services that support payments, integrations, and seamless player experiences across millions of users.   You bring strong expertise in PHP and Go, a solid grasp of object-oriented design, and a passion for building scalable, reliable backend systems. You’re curious about modern architectures, eager to solve complex challenges, and thrive in collaborative, fast-paced environments.   If you’re passionate about backend development and want to make a real impact in the gaming industry, we’d love to hear from you.   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. 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. Use load testing tools (e.g., K6) to identify and resolve bottlenecks in high-load environments. Document technical specifications, system architecture, and new functionalities for transparency and maintainability. Participate in Kanban ceremonies and maintain efficient communication with cross-functional teams. Qualifications & Skills 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 REST APIs, GitLab, GitHub, and other development tools. Experience using monitoring and testing tools such as Grafana, Kibana, Postman, 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 and event-driven architectures. Familiarity with CI/CD tools such as Docker, Jenkins, or GitLab CI. Background in frontend development or working with single-page applications (SPAs). Hands-on experience using AI-powered development tools (e.g., GitHub Copilot) to enhance productivity. The duties and responsibilities of this position may evolve over time to support the organization’s goals and individual growth. This job description is intended to outline the general nature and level of work being performed and is not intended to be an exhaustive list of all duties, responsibilities, and qualifications required. By submitting your application, you consent to Xsolla conducting background checks, where permitted by law, after the final interview stage. All checks will comply with local regulations, and your information will be handled confidentially. Xsolla takes your privacy seriously and will not sell or externally distribute any personal data received during the hiring process. In accordance with applicable data protection laws, Xsolla is committed to protecting your personal information and respecting your privacy. For any inquiries related to data privacy, please contact: careers@xsolla.com Explore more opportunities at: https://xsolla.com/careers