Senior Web3 Fullstack Engineer — Remote

Xsolla Inc.; Oregon; Hybrid; USD 150,000 - 210,000; Full time

Job summary

Xsolla is seeking a Senior Software Engineer, Web3 for the Xsolla ZK ecosystem. Role spans backend, frontend and smart contracts across a zkSync-based L2.

You will own features end-to-end, design on-chain/off-chain architectures, ensure security and correctness, and participate in on-call production operations. We expect 5+ years of commercial development across backend and frontend, with DApps shipped to production.

Qualifications

• 5+ years of commercial software development across backend and frontend.
• DApps that you shipped to production and maintained.

Responsibilities

• Build backend services in Go and TypeScript: chain indexing, transaction relaying, event processing, APIs for dApps and SDKs.
• Build infrastructure backend 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 used by game studios and partners.
• Monitor services and contracts in production and take part in on-call.
• Review code.
• Set up and maintain AI tooling in the repositories for the team.

Skills

Senior fullstack

DApps production

Web3 libraries

React & TypeScript

Go

Solidity / EVM

TypeScript (Node.js)

Docker

Kubernetes

PostgreSQL

Redis

Datadog

Prometheus

Grafana

OpenTelemetry

Tools

Docker

Kubernetes

PostgreSQL

Redis

Datadog

Prometheus

Grafana

OpenTelemetry

Job description

Xsolla is seeking a Senior Software Engineer, Web3 for the Xsolla ZK ecosystem. Role spans backend, frontend and smart contracts across a zkSync-based L2.

You will own features end-to-end, design on-chain/off-chain architectures, ensure security and correctness, and participate in on-call production operations. We expect 5+ years of commercial development across backend and frontend, with DApps shipped to production.