Senior Software Engineer – Payments (Credit Card & Alternative Payments)
Xsolla is a global video game commerce company providing tools and services to launch, monetize, and scale games. Its offerings include payments, web shops, publishing, distribution, LiveOps, anti-fraud, subscriptions, SDKs, and creator solutions for developers, publishers, payment providers, creators, and other gaming businesses.
Maintainer signals as of 8/23/2026
Projects
About Xsolla (USA), Inc.
Xsolla operates as a global merchant of record and video game commerce platform serving developers, publishers, resellers, payment providers, creators, and retailers. It provides payment processing across more than 200 countries and regions, 1,000+ payment methods, and 130+ currencies, alongside tax management, compliance, fraud prevention, refunds, dispute management, and end-user support. Its product portfolio includes Web Shop, Publishing Suite, Payments, Xsolla Pay, Mobile Buy Button, SDKs, Subscriptions, game distribution, Partner Network, Offerwall, LiveOps, Anti-Fraud, Login, Site Builder, cloud gaming, and related gaming commerce tools.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build and maintain reliable payment-processing services for card and alternative payment methods. You will develop integrations, reconciliation pipelines, reporting and alerting, fraud and dispute workflows, and secure compliant payment-data systems. You will participate in incident response, code reviews, architecture discussions, and mentor junior engineers.
Requirements
- 5+ years of software engineering experience with PHP and Go
- At least 2 years of production payment-processing experience
- Experience with card authorization, clearing, settlement, reconciliation, and chargebacks
- Experience integrating with alternative payment providers
- Understanding of card-network models, interchange, BIN logic, MCC codes, AVS, CVV, and 3DS/SCA
- Understanding of distributed systems, idempotency, eventual consistency, fault tolerance, and high availability
- Proficiency with RESTful or event-driven APIs in a payments context
- Familiarity with PCI DSS and payment-data security
- Debugging and incident-response skills for high-volume financial systems
Responsibilities
- Implement and maintain services for card authorization, clearing, and settlement workflows
- Build integrations with acquiring banks, card networks, payment gateways, fraud providers, tokenization services, and alternative payment methods
- Implement payment routing, retry, failover, idempotency, and state-management mechanisms
- Support 3D Secure, Strong Customer Authentication, card vaulting, and tokenization
- Build automated reconciliation pipelines and reconcile internal ledgers against external reports
- Develop safeguards for revenue leakage, ledger consistency, audit readiness, and financial controls
- Build payment reporting, dashboards, monitoring, and threshold-based alerting
- Participate in on-call rotations and incident response
- Build compliant systems for sensitive payment data and support audits
- Integrate fraud detection and risk scoring systems and implement chargeback workflows
- Write well-tested and documented code, participate in reviews and architecture discussions, and mentor junior engineers
Benefits
- Unlimited Flexible Time Off
Hiring Process
Final interview followed by background checks where permitted by law.
