xsolla - Backend Developer

Remote - USA, Los Angeles, United States, Raleigh4mo ago

Remote Mid NA Payments Backend Engineer SQL PHP Employee Relations Kafka Redis

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: 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 (RabbitMQ, Kafka) and caching layers (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 • Understanding of 3D Secure (3DS) authentication protocols • Experience with tokenization and payment security best practices • Knowledge of Apple Pay and Google Pay integration principles • Experience with Kubernetes and Google Cloud Platform • Familiarity with ELK stack for monitoring and logging • Previous work with high-load, mission-critical systems • Frontend development experience with Angular

Responsibilities

• Develop and maintain backend services for card payment processing using PHP (Symfony) and Golang. • Integrate and support payment service providers (PSPs) and acquirers (Adyen, Checkout.com, JP Morgan Chase, etc.) • 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 (MySQL, MongoDB) • Collaborate with the team on system design, code reviews, and technical decisions • Ensure system observability and troubleshoot issues using ELK stack • Participate in CI/CD pipeline improvements and deployment processes • Accessing confidential company data • Ensuring compliance with regulatory requirements • Rights Under the Fair Chance Act: • Applicants are encouraged to inquire about their rights under the Fair Chance Act. If you have questions regarding our hiring practices, please contact [email protected]. • By submitting the following job application form, you consent to Xsolla processing your data for career-related inquiries and potential employment opportunities. We process your data in accordance with this Xsolla Privacy Notice for Job Applicants. Please direct any inquiries regarding your data privacy to [email protected].

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 100% company-paid medical, dental, and vision plans, unlimited Flexible Time Off, 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, we’re not just building a business; we’re cultivating a community that values creativity, collaboration, and the transformative power of play. • Equal Employment Opportunity Statement: