Software Engineer with strong experience in backend development, cloud infrastructure, and payment systems. I design scalable, secure platforms with a focus on AWS, Python, and distributed systems.
I work on complex backend systems including payment gateway integrations, tokenized card flows, OTP-based verification, and response code mapping. I also focus on cloud cost optimization, infrastructure automation, and secure handling of sensitive data.
REST APIs, async processing, authentication, and high-availability systems.
AWS (EC2, S3, ALB, WAF), Docker, CI/CD, scaling and cost optimization.
Mastercard, SSLCOMMERZ, acquirer integrations, transaction lifecycle handling.
MySQL, MongoDB Atlas Search, schema design, performance tuning.
Subscription-based platform with self-registration, billing, and zero daily ops.
POC for extracting structured data with strong emphasis on data protection.
TURN server setup, Dockerized media services, and real-time communication.