Senior Web3 Fullstack Engineer (Remote)

Xsolla Inc.; United States; Remote; USD 150,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, vision benefits

Paid time off

Remote worldwide flexibility

Career development and roadmap

Job summary

Xsolla Inc. is hiring a senior Software Engineer, Web3 for Xsolla ZK, its zkSync-based L2 ecosystem. You will own end-to-end features across backend, frontend, and contracts, ensuring secure signing flows and correct on-chain/off-chain interactions.

You will build backend services in Go and TypeScript, React frontends, wallet integration, and SDKs for game studios. Expect on-call rotations and strong emphasis on production reliability.

Qualifications

• 5+ years of commercial software development, with senior-level production experience across backend and frontend.
• DApps shipped to production and maintained.
• Strong understanding of Web3 libraries and wallets in production.

Responsibilities

• Build backend services in Go and TypeScript: chain indexing, transaction relaying, event processing, APIs for dApps and SDKs.
• Build infrastructure services for tokenizing in-game items and currencies.
• Build dApp frontends in React: wallet connection, transaction signing, on-chain state in the UI.
• Integrate smart wallets into products: accounts, paymasters, bundlers.
• Develop SDKs for game studios and partners.
• Monitor services and contracts in production and participate in on-call.
• Review code.
• Set up and maintain AI tooling in repositories for the team.

Skills

Go

TypeScript

React

Web3

DApps

REST API

gRPC

Kafka / messaging

PostgreSQL

Redis

Security

On-call

CI/CD

Education

BS in Computer Science or related field

Tools

Viem / wagmi

Solidity

Foundry

Ethereum

Docker

Kubernetes

Git

CI/CD tooling

Job description

Xsolla Inc. is hiring a senior Software Engineer, Web3 for Xsolla ZK, its zkSync-based L2 ecosystem. You will own end-to-end features across backend, frontend, and contracts, ensuring secure signing flows and correct on-chain/off-chain interactions.

You will build backend services in Go and TypeScript, React frontends, wallet integration, and SDKs for game studios. Expect on-call rotations and strong emphasis on production reliability.