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kalaiselvan_22

Kalai

@kalaiselvan_22

Software engineer

India
Inglese, Tamil
Alcune informazioni sono riportate in lingua inglese.
Chi sono
Backend engineer with strong DSA & problem-solving. I build fast, secure, scalable APIs using Python, Golang, FastAPI, Gin, PostgreSQL & AWS. Clean code, reliable delivery, production-ready systems.... Continua a leggere

Competenze

k
kalaiselvan_22
Kalai
offline • 

Consulta i miei servizi

API e integrazioni
I will develop scalable backend apis using golang
A partire da10 USD / progettoMaggiori dettagli

Esperienza lavorativa

Software Engineer

Not Found • Full time

Mar 2023 - Jul 2025 • 2 yrs 4 mos

Worked as a Backend Engineer at a fast-paced fintech startup, building and scaling secure, high-performance backend systems. Developed robust APIs using Python (FastAPI) and Golang (Gin), applying strong DSA and problem-solving skills to optimize performance and handle real-time financial workflows. Designed and optimized PostgreSQL databases for transactional systems, ensuring data integrity and efficiency. Implemented secure Authentication & Authorization (JWT, role-based access) to protect sensitive financial data. Deployed and managed services on AWS with a focus on scalability, reliability, and uptime. Collaborated closely with product and frontend teams to deliver production-ready features in a fast-moving startup environment.