Senior Blockchain Engineer

Summary

Join Spexi, a drone technology company, as a Senior Blockchain Engineer to build and innovate on our blockchain-based network, the Spexi Network. You will design and implement the technology powering our decentralized network, focusing on secure validation and decentralized verification of drone-captured data. Collaborate with a dynamic team to solve cutting-edge challenges in Web3 and geospatial systems. Responsibilities include writing and deploying smart contracts, architecting decentralized protocols, and troubleshooting and optimizing smart contracts. The ideal candidate possesses 5+ years of experience in blockchain or software development, proficiency in Solidity, and familiarity with decentralized systems. Spexi offers a remote-friendly environment, flexible hours, and comprehensive health benefits.

Requirements

• 5+ years of experience in blockchain or software development, including writing EVM-compatible smart contracts and integrating backend services with blockchain
• Proficiency in Solidity or similar languages for smart contract development
• Familiarity in decentralized systems, cryptographic primitives (e.g., ZK proofs), and decentralized storage solutions (e.g., IPFS/Filecoin)
• Experience designing scalable, gas-efficient blockchain systems and working with Ethereum L2s or cross-chain bridges
• Familiarity with Web3 infrastructure and private key management

Responsibilities

• Write and deploy EVM-compatible, gas-efficient smart contracts for Proof of Capture, Data License-to-Access NFTs, and tokenization
• Architect decentralized protocols for secure image data availability
• Solve Web 2.0–Blockchain challenges, including indexing blockchain data into Postgres DBs, optimizing gas costs for transactions, and managing private keys securely
• Leverage IPFS, Filecoin, or similar decentralized storage systems to manage geospatial data effectively
• Perform code reviews and security audits to ensure the integrity of smart contracts and collaborate cross-functionally to integrate blockchain systems into Spexi’s platform
• Troubleshoot and optimize smart contracts while staying current with blockchain trends and advancements
• Create clear technical documentation and mentor team members through knowledge sharing and code reviews

Preferred Qualifications

• Experience with decentralized governance models, airdrop mechanisms, and smart contract-driven decision-making
• Knowledge of blockchain-based encryption schemes and decentralized decryption solutions
• Experience designing and deploying App Chains tailored to specific use cases

Benefits

• Remote-friendly environment
• Flexible hours
• Medical, dental, and vision health benefits