Fullstack Engineer

ABOUT US

Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.

For more information, visit xsolla.com.

 

About the project

 

Xsolla ZK is building a cross-game infrastructure that empowers gamers to freely trade and use their digital assets without barriers. As a Fullstack Engineer, you'll work across the entire stack:

Products:

• Xsolla Bazaar — NFT marketplace for trading digital assets

• Web3 Backpack — Smart wallet with account abstraction

• Web3 SDKs — Developer toolkits for blockchain integration

• Admin Panels — Internal tools for managing Web3 operations

Tech Stack:

Backend:

• Language: Go (go-ethereum, ethkit)

• Databases: MongoDB, PostgreSQL, Redis

• API: REST, WebSocket, gRPC, OpenAPI (Swagger)

• Message Queue: NATS, RabbitMQ, Kafka

• Blockchain Infrastructure:

• ZK Stack / ZKsync Era (EraVM, system contracts, native Account Abstraction)

• Account Abstraction (ERC-4337): EntryPoint, UserOperation lifecycle, bundlers, paymasters

• Ethereum L1 integration, abigen contract bindings

Frontend:

• Languages: JavaScript (ES6+), TypeScript