Xsolla

Xsolla

Xsolla is an international payment solution provider for online games, offering tools to launch, monetize, and scale games worldwide with local payment methods and fraud prevention.

Internet Software & Services
251-1K
Founded 2005

Description

  • Develop and maintain backend services for card payment processing using PHP (Symfony) and Golang.
  • Integrate and support payment service providers and acquirers such as Adyen, Checkout.com, and JP Morgan Chase.
  • Design and implement scalable, event-driven architectures for high-load payment systems.
  • Write clean, testable code with comprehensive unit and functional test coverage.
  • Optimize database queries and data models for OLTP workloads using MySQL and MongoDB.
  • Collaborate with the team on system design, code reviews, and technical decisions.
  • Ensure system observability and troubleshoot issues using the ELK stack.
  • Participate in CI/CD pipeline improvements and deployment processes.

Requirements

  • 3+ years of backend development experience with PHP and/or Golang in production environments.
  • Hands-on experience with card payment processing and PSP/acquirer integrations.
  • Understanding of payment flows including authorization, capture, refunds, chargebacks, and reconciliation.
  • Strong knowledge of OOP principles, design patterns, and clean architecture.
  • Proficiency in SQL, database design, and performance optimization.
  • Experience with message queues such as RabbitMQ or Kafka and caching layers such as Redis.
  • Solid understanding of algorithms, data structures, and their practical application.
  • Experience writing unit and integration tests.
  • Knowledge of PCI DSS compliance requirements and secure payment data handling (nice to have).
  • Understanding of 3D Secure (3DS) authentication protocols (nice to have).
  • Experience with tokenization and payment security best practices (nice to have).
  • Knowledge of Apple Pay and Google Pay integration principles (nice to have).
  • Experience with Kubernetes and Google Cloud Platform (nice to have).
  • Familiarity with the ELK stack for monitoring and logging (nice to have).
  • Previous work with high-load, mission-critical systems (nice to have).
  • Frontend development experience with Angular (nice to have).

Benefits

  • 100% company-paid medical, dental, and vision plans.
  • Unlimited Flexible Time Off.
  • A personalized career roadmap for each employee.
  • Training and educational opportunities for professional development.
  • A supportive environment focused on employees' physical, mental, and emotional well-being.
  • An inclusive, diverse workplace committed to equal employment opportunity.

Interested in this position?

Apply directly on the company website

Apply Now

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