Backend Engineer with Python, Go & AWS

Shashwat Bansal is a backend engineer with approximately 2 years of experience. He is currently working as a solo contractor, building a 9-service biometric verification platform end-to-end using FastAPI, PostgreSQL 16 with Fernet-encrypted PII, PgBouncer transaction pooling, and an APScheduler container coordinating AWS Rekognition with Java microservices for fingerprint and iris matching. He also has experience with a Kotlin Android client for offline-first sync. Previously, he developed low-latency Go services at Longshot Systems, an algo-trading firm in London, demonstrating a strong ability to quickly learn and implement new technology stacks.