Backend Engineer with AI/ML Focus

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, utilizing FastAPI, PostgreSQL 16 with Fernet-encrypted PII and PgBouncer, an APScheduler container coordinating AWS Rekognition with Java microservices for fingerprint and iris matching, and a Kotlin Android client with offline-first sync. His GitHub features a pinned repository with a full architecture README for this project. Previously, he developed low-latency Go services at Longshot Systems, an algo-trading firm in London, demonstrating a rapid ability to learn new technology stacks. In parallel, he has a strong freelance presence on Upwork, completing 32 jobs over 1,100+ hours with a 100% Job Success Score, 5.0/5.0 rating, and Rising Talent badge, securing repeat clients. His Upwork work spans Python/Go automation, MERN-stack applications, ML/CV, and JS/React. He is proficient in Python, Go, PostgreSQL, Docker, Linux, AWS, Nginx, Pytorch, MERN, and AI coding, and is open to learning new technologies. Based in Delhi, India, he is open to remote work worldwide and willing to relocate for the right role.