Zapper - Web3 Fullstack Engineer Mid-Senior - Montréal
December 2023 - May 2024
- Created distributed, scalable Web3 backend services, with emphasis on code quality control and performance monitoring
- Wrote a token balance tracking system for the Solana blockchain for thousands of daily active users by refactoring the existing EVM-focused ecosystem
- Wrote Solana staking balance tracking system using Solana blockchain RPC calls
- Created backend image generation service for Opepens
- Owned blockchain address label ingestion services
- Created robust internal management tools
- Typescript
- NestJS
- PSQL
- ScyllaDB
- gRPC
- Pub/Sub
- Redis
- BullMQ
- DataDog
- NestJS
- GraphQL
- Jest
- Ethereum
- Viem
- Solana
- Bitcoin