Senior Go Backend Engineer

Senior Backend Engineer with 5+ years building scalable systems across FinTech, EdTech, and AI. Currently at British Council architecting exam platforms for millions of concurrent users. Solo-built a Go-based scraping engine that extracts structured data from 200M+ company records, and an AI interview prep platform with 100K+ users (ProTechStack.com). Focuses on efficient stacks with Go, PostgreSQL, Playwright, and headless Chrome. Looking for early-stage roles.