Helton Luiz Marques

Senior Backend Engineer with 10+ years of experience building and maintaining web services and applications on cloud infrastructure, with strong troubleshooting and problem-solving skills. Key Achievements: - Scaled Tier-1 services handling +10 million requests per minute at Ring - Led migration from PostgreSQL to DynamoDB - Designed and maintained indexer service for Ethereum smart contract integration at Injective Labs - Built billing and notification systems supporting CRM campaigns with +100,000 messages