Xsolla · 14 hours ago
Backend Developer
United States
Full-time
Remote
Mid Level
3+ years expXsolla is a global commerce company focused on providing tools and services for the video game industry. They are seeking an experienced Backend Developer to maintain and enhance their payment processing platform, working with payment gateways and ensuring system reliability.
BillingPaymentsVideo Games
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
Qualification
Required
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
Preferred
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
Company
Xsolla
Xsolla is a video game company that provides tools and services to help developers and publishers launch, monetize, and scale their games.
1001-5000 employees
H1B Sponsorship
Xsolla has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (2)
2023 (1)
2022 (1)
2021 (3)
2020 (7)
Funding
Current Stage
Late StageLeadership Team
Cathleen Nilson
Chief Financial Officer, EVP
Berkley Egenes
Chief Marketing Officer
Recent News
2026-02-03
Company data provided by crunchbase