Software Engineer
Core
Senior fullstack engineer building XsollaZK, a Web3 ecosystem on zkSync-based L2, including smart wallets, SDKs, infrastructure for tokenizing in-game items, and dApps (DEX, NFT marketplace).
Role type
Senior fullstack Web3 engineer (backend/frontend/smart contracts)
Builds
Smart wallets, SDKs for game studios, infrastructure backend services, and ecosystem dApps
Domain
Web3 / Blockchain / Gaming
Required skills
Go, TypeScript, React, Solidity, viem, wagmi, Kafka, RabbitMQ, NATS, PostgreSQL, Redis, Docker, Kubernetes, Datadog, Prometheus, Grafana, Git, CI/CD, AI coding tools
Preferred skills
zkSync, ZK Stack, Foundry, ERC-4337, DeFi mechanics, NFT marketplaces, L2 infrastructure, gaming domain
Technologies
zkSync, Go, TypeScript, React, Solidity, viem, wagmi, Kafka, RabbitMQ, NATS, PostgreSQL, Redis, Docker, Kubernetes, Datadog, Prometheus, Grafana, GitLab CI, Claude Code, Codex, Cursor
Responsibilities
Build backend services and dApp frontends; integrate smart wallets; develop SDKs; monitor services and contracts; review code; configure AI tooling; participate in on-call rotation
Seniority
Senior, hands-on IC