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<div><strong>ABOUT US</strong></div>
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<div>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.</div>
<div>For more information, visit <a rel="noopener noreferrer" href="[Upgrade to PRO to see link]" class="postings-link">xsolla.com</a>.</div>
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About the Role:
We're looking for a Senior Software Engineer to join our Payments team and help build, maintain, and scale the platform that processes payments and PSP integrations for game developers and players globally.
You'll work on high-load, mission-critical systems β designing event-driven architectures, optimizing transaction flows, integrating with global payment providers, and ensuring our platform stays reliable under real-world pressure. You'll have real ownership, real impact, and real engineering challenges to solve.
If you care deeply about correctness, reliability, and clean systems β and you want your work to matter to millions of users β this role is for you.
What You'll Do:
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Design, build, and maintain backend services for payment processing
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Integrate and support payment service providers (PSPs) and acquirers such as Adyen, Checkout.com, JP Morgan Chase, and others
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Build scalable, event-driven architectures to handle high-throughput, low-latency payment workloads
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Write clean, testable, well-documented code with strong unit and integration test coverage
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Optimize database queries and schema design across MySQL
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Contribute to system design discussions, code reviews, and technical decision-making
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Monitor system health, troubleshoot production issues, and drive continuous improvements in observability and reliability
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Participate actively in CI/CD pipeline improvements and deployment processes
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Mentor junior engineers and contribute to a culture of engineering excellence
What We're Looking For:
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4+ years of backend engineering experience in production-grade systems β preferably within Fintech, Banking, or Payments β with strong proficiency in PHP and/or Golang; candidates with equivalent experience in comparable languages will be considered.
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Hands-on experience with payment processing and PSP/acquirer integrations
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Solid understanding of end-to-end payment flows: authorization, capture, refunds, chargebacks, and reconciliation
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Strong grasp of OOP principles, design patterns, and clean architecture
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Proficiency in SQL, database design, and query optimization
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Experience with message queues (RabbitMQ, Kafka) and caching layers (Redis)
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Strong fundamentals in algorithms and data structures with practical application
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Experience writing unit and integration tests as a core part of your workflow
Nice to Have:
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Knowledge of PCI DSS compliance and secure payment data handling
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Familiarity with 3D Secure (3DS) authentication protocols
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Experience with tokenization and payment security best practices
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Hands-on experience with Kubernetes and Google Cloud Platform (GCP)
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Familiarity with the ELK stack for monitoring and log analysis
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Experience with high-load, mission-critical distributed systems
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Frontend exposure with Angular or React is a bonus
Our Tech Stack:
Backend: PHP 8 (Symfony, Doctrine), Golang
Databases: MySQL, Redis
Infrastructure: Docker, Kubernetes, GCP, RabbitMQ, ELK
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, weβre not just building a business; weβre cultivating a community that values creativity, collaboration, and the transformative power of play.
Equal Employment Opportunity Statement:
Xsolla is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other characteristic protected by law.
We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.
Criminal History Consideration:
we will conduct a background check that may include the following.
Criminal history check.
Employment verification.
Education verification.
Relevance to job Responsibilities:
The background check is relevant to this position because of the following role responsibilities:
Accessing confidential company data
Ensuring compliance with regulatory requirements