Senior Web3 Full-Stack Engineer

Xsolla Inc.; New Russia Township (OH); Remote; USD 110,000 - 170,000; Full time

Benefits offered by this job

Medical, dental, and vision

PTO

Career development program

Job summary

Xsolla ZK is building across-game infrastructure enabling players to trade digital assets. As a Fullstack Engineer, you will work on backend wallet operations with Go and blockchain interactions, and frontend UIs using React/Next.js with embedded wallet SDKs.

You will tackle ERC-4337, account abstraction, and cross-platform features, collaborating across Web3 modules and admin panels for NFT drops and marketplace settings.

Qualifications

• 3+ years of professional experience with Go
• Strong knowledge of REST API design and implementation
• Experience with MongoDB and/or PostgreSQL
• Understanding of microservices architecture
• 3+ years of React and modern JavaScript/TypeScript
• Proficiency in state management solutions (Redux, Zustand)
• Experience with responsive design and CSS frameworks
• Knowledge of web performance optimization
• Experience with Git and CI/CD pipelines
• Familiarity with Docker and containerization

Responsibilities

• Develop backend services in Go using go-ethereum/ethkit for wallet operations and blockchain interactions
• Implement ERC-4337 UserOperation lifecycle and related wallet functionality
• Build and maintain smart contract interaction layers with abigen-generated Go bindings
• Create full-stack features with React/Next.js and embedded wallet SDKs
• Write tests for backend (Go) and frontend (Jest, React Testing Library)
• Document APIs using OpenAPI/Swagger

Job description

Xsolla ZK is building across-game infrastructure enabling players to trade digital assets. As a Fullstack Engineer, you will work on backend wallet operations with Go and blockchain interactions, and frontend UIs using React/Next.js with embedded wallet SDKs.

You will tackle ERC-4337, account abstraction, and cross-platform features, collaborating across Web3 modules and admin panels for NFT drops and marketplace settings.