k
kalaiselvan_22

Kalai

@kalaiselvan_22

Software engineer

India
Engels, Tamil
Sommige informatie wordt in het Engels weergegeven.
Over mij
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.... Lees meer

Skills

k
kalaiselvan_22
Kalai
offline • 

Bekijk mijn diensten

API en integraties
I will develop scalable backend apis using golang
VanafUS$ 10 / projectMeer informatie

Werkervaring

Software Engineer

Not Found • Fulltime

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.