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Senior Fullstack Engineer

Location: Remote
Compensation: To Be Discussed
Reviewed: Fri, Oct 02, 2026
This job expires in: 30 days

Job Summary

To support the development of innovative Web3 solutions, the full-time Senior Fullstack Engineer will work remotely, focusing on building and integrating backend services in Go and frontend applications in React for a cross-game infrastructure that facilitates digital asset trading.

Key responsibilities
  • Develop backend services in Go for wallet operations and blockchain interactions, including implementing the ERC-4337 UserOperation lifecycle
  • Build responsive applications using React/Next.js, integrating embedded wallet SDKs and creating Web3-enabled UIs
  • Design and implement complete features from smart contract events to UI updates, ensuring cross-platform consistency and real-time functionality
Required qualifications
  • 3+ years of commercial experience with Go and strong knowledge of REST API design
  • 3+ years of experience with React and modern JavaScript/TypeScript, including proficiency in state management solutions
  • Experience with MongoDB and/or PostgreSQL, and understanding of microservices architecture
  • Familiarity with Git, CI/CD pipelines, and Docker
  • Knowledge of Web3 technologies and blockchain integration, including account abstraction concepts

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