Backend Developer jobs in United States
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Xsolla · 10 hours ago

Backend Developer

positionUnited States
timeFull-time
remoteRemote
seniorityMid Level
date3+ years exp

Xsolla 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
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H1B Sponsor Likelynote

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

PHPGolangPayment processingDatabase optimizationSQLOOP principlesMessage queuesCaching layersUnit testingIntegration testingClean architectureSoft skills

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

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Xsolla is a video game company that provides tools and services to help developers and publishers launch, monetize, and scale their games.
dateFounded in 2005
location
Sherman Oaks, California, USA
people-size1001-5000 employees
web-link
http://www.xsolla.com

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 Stage

Leadership Team

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Cathleen Nilson
Chief Financial Officer, EVP
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Berkley Egenes
Chief Marketing Officer
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Recent News

Business Wire
Xsolla Legal Executives Named Finalists for Top 100 Corporate Counsel Awards
2026-02-03
Business Wire
Xsolla Expands Payment Options in Japan With Paidy, the Leading Local BNPL Solution With 15 Million App Downloads, Giving Developers More Ways to Connect With Players
2026-01-22
Business Wire
Xsolla Expands Payment Coverage in Portugal With MB Way, a Leading Mobile Wallet Trusted by 6 Million Customers, to Unlock New Growth Opportunities for Game Developers
2026-01-20
Company data provided by crunchbase