CareerPlan

Software Engineer

RemoteFull-time2026-10-21 → 2026-11-10
RemoteEmployed via Employer of Record

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