Hari Anant Tiwari

Backend Developer specializing in building and deploying scalable, secure APIs using Django and Django REST Framework. Experienced in startup environments, managing production systems, debugging incidents, and optimizing API performance. Proficient in JWT authentication, Redis caching, and containerization with Docker. Skilled in AWS (Lambda, API Gateway) and PostgreSQL. Available to join immediately.

Backend Developer at Pycray (2025-10 – Present)

Backend Developer at Pycray working on scalable APIs and cloud infrastructure

• Utilized serverless AWS Lambda functions to offload heavy computations from the main application, effectively reducing API response latency by 40%.
• Designed and implemented scalable RESTful APIs using Django and DRF, ensuring reliable integration with frontend clients and consistent data delivery.
• Containerized application environments with Docker and deployed on AWS ECS, monitoring system health via CloudWatch to maintain 99.9% uptime.
• Implemented JWT authentication and distributed caching with Redis to secure endpoints and accelerate read-heavy operations.

Full Stack Developer Intern at Dakshit Dolphin Designer Pvt. Ltd. (2025-06 – 2025-10)

Full Stack Developer Intern focused on backend optimization and real-time systems

• Optimized PostgreSQL schemas and implemented query tuning, resulting in a 30% improvement in data retrieval speeds.
• Developed real-time notification systems using Django Channels and WebSockets, supporting concurrent connections with minimal latency.
• Integrated Razorpay for secure payments and Twilio for automated communications, managing asynchronous lifecycle events via Webhooks.
• Collaborated in an Agile team to deliver end-to-end features, focusing on API consistency and performance testing.

Web Developer Intern at Codtech IT Solutions (2025-03 – 2025-05)

Web Developer Intern contributing to backend logic and code quality

• Built core backend logic and managed database workflows using Django to support application features.
• Contributed to rigorous code reviews and unit testing, improving code quality and reducing post-deployment bugs by 15%.

Bachelor of Technology in Computer Science – Jaypee Institute of Information Technology (2021 – 2025)