Backend Engineer
Summary
Backend Engineer at Karma3Labs builds scalable backend systems processing large data streams, developing secure smart contracts, optimizing storage, and creating indexing services. Core technologies include Solidity, Go, JavaScript/TypeScript, Python, and cloud infrastructure.
You build scalable backend systems that process, store, and serve large data streams. You develop secure smart contracts, authenticate on-chain and off-chain data, optimize storage, create indexing services and distributed recommendation algorithms, and expose results through external APIs.
Responsibilities
- Write extensible and secure smart contracts
- Track the latest EIPs
- Extract and cryptographically authenticate on-chain and off-chain data streams
- Transform data streams into optimized storage solutions
- Develop scalable indexing services for compute clusters
- Implement distributed algorithms for recommendation and reputation scores
- Develop external APIs for third-party applications
Requirements
- 2+ years of experience in backend systems
- Experience with smart contract development
- Solidity as a primary language
- Proficiency in two or more of Go, JavaScript/TypeScript, and Python
- Experience with REST APIs or RPCs
- Experience with AWS or Google Cloud infrastructure services
- Open-source project experience preferred
Benefits
- Equity or tokens
- Medical, dental, and vision health benefits
- Monthly team events
- Quarterly team offsite
- Flexible work environment
- Remote work