Kamal Yadav

• Designed, developed, and maintained scalable, high-performance backend systems using Python, Django, Django REST Framework (DRF), FastAPI, and Flask.

• Architected and optimized RESTful APIs for web and mobile applications, achieving 30–40% improvement in response times through query optimization, indexing, and caching strategies.

• Built real-time and event-driven systems using MQTT and WebSockets for IoT-based applications, enabling live data tracking and device communication.

• Designed and managed relational databases using PostgreSQL and MySQL, with a strong focus on schema design, normalization, indexing, and query performance tuning.

• Implemented secure authentication and authorization mechanisms, including JWT-based authentication and role-based access control (RBAC) for enterprise-grade applications.

• Integrated third-party APIs and payment gateways, ensuring secure transactions, data validation, and reliable system communication.

• Deployed, monitored, and maintained backend services on AWS using core services such as EC2, S3, RDS, IAM, and CloudWatch to ensure scalability, availability, and security.

• Collaborated closely with frontend developers, QA engineers, and product teams to translate business requirements into robust backend solutions within tight delivery timelines.

• Used Git and GitHub for version control, followed clean code practices, and participated in code reviews to maintain code quality and consistency.

• Explored AI-assisted backend enhancements, including basic use of machine learning APIs, data preprocessing, and integrating AI-powered features such as intelligent search, recommendations, and automation using Python.

• Integrated third-party APIs from external applications into web platforms.
• Developed RESTful APIs that facilitated seamless data exchange between clients and servers in a distributed environment.