Web3 Software Engineer
Xsolla (USA), Inc., operating under the Xsolla brand, is a global video game commerce and payments company serving game developers, publishers, creators, and payment providers.
Projects
About Xsolla (USA), Inc.
Xsolla provides merchant-of-record and payment-processing services plus direct-to-consumer commerce, web shops, publishing and distribution tools, cloud gaming, fraud prevention, player engagement, creator monetization, and developer tooling for the video game industry. Its solutions operate across 200+ geographies with 1,000+ payment methods and are actively supported through live products, documentation, customer support, and ongoing hiring.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will deliver Web3 features across backend, frontend, smart-contract integrations, and production operations. You will build Go and TypeScript services, React dApps, wallet and account-abstraction integrations, and SDKs. You will monitor production systems, participate in on-call, review code, and maintain repository AI tooling.
Requirements
- 5+ years of commercial software development
- Production dApp development
- viem
- wagmi
- Wallet signers
- EIP-191
- EIP-712
- EIP-1193
- Account abstraction
- ERC-1271
- Go
- TypeScript
- Node.js
- On-chain event processing
- Kafka, RabbitMQ, or NATS
- PostgreSQL
- Redis
- REST
- gRPC
- React
- Web security
- XSS
- CSRF
- CSP
- Solidity
- EVM
- Smart-contract security
- Docker
- Kubernetes
- Observability
- Datadog or Prometheus, Grafana, ELK, Graylog, or OpenTelemetry
- Testing
- Git
- CI/CD
- GitLab CI or similar
- Claude Code, Codex, or Cursor
- English
Responsibilities
- Build backend services in Go and TypeScript
- Build services for tokenizing in-game items and currencies
- Build React dApp frontends
- Integrate smart wallets, accounts, paymasters, and bundlers
- Develop SDKs for game studios and partners
- Monitor services and contracts in production
- Participate in on-call
- Review code
- Set up and maintain repository AI tooling
