Resil Radhakrishnan

Backend Engineer with 4+ years building and owning production Django/DRF systems end‑to‑end. Sole backend owner for Cineartery, a film production management platform — architecture, APIs, and infrastructure. Prior experience shipping e‑commerce (Qafnet) and healthcare platforms. Deep focus on query optimization (N+1 elimination, prefetch strategies), scalable API design, and AWS/Docker deployment.

Software Development Engineer at Cineartery (2025-11 – Present)

Sole backend owner for Cineartery, a film production management platform, owning API design, database architecture, and business logic end‑to‑end.

• Own and maintain core product modules: budgeting, audition workflows, bookings, invoicing, stripboard management, and real‑time chat system.
• Integrated Razorpay for recurring payments and subscription billing.
• Eliminated N+1 query patterns across serializers and listing views using prefetch_related with to_attr,.only(), and annotated querysets, cutting response times on high‑traffic endpoints.
• Built bulk create/update operations for day‑rate and budget‑allocation APIs, replacing per‑object loops with batched DRF operations.
• Set up MkDocs‑based technical documentation for backend APIs and system architecture.

Software Development Engineer II at QNL Software (2024-04 – 2025-10)

• Spearheaded API design and development using Django Rest Framework for web and mobile applications.
• Deployed production‑ready applications on Amazon EC2 with Gunicorn and Nginx.
• Designed and deployed a microservice‑based internal platform using Docker Swarm, achieving 99.9% uptime.
• Delivered 3+ full‑stack projects from requirements gathering to production within deadlines, achieving zero critical post‑launch bugs.
• Improved API response times by 30% through targeted query and endpoint optimization.

Software Developer at Aventus Informatics (2022-07 – 2024-03)

• Built and optimized backend APIs using Python, Django, and PostgreSQL, improving query efficiency by 40%.
• Integrated Razorpay for secure payments via webhooks; implemented Twilio, OneSignal, and Zego integrations.
• Directed design and implementation of backend APIs for a real‑time user application.
• Delivered a healthcare project from MVP stage to production readiness.
• Built strong expertise in Django ORM internals and relational database modeling.

Backend Developer at Entri.app (2022-03 – 2022-06)

• Developed an internal employee review system, automating performance cycles.
• Proposed and built database models with Django and PostgreSQL.
• Implemented REST APIs with DRF and asynchronous tasks using Celery + RabbitMQ.

Software Engineering Bootcamp in Software Engineering – Avodha Skills Training Platform (2021-10 – 2022-03)

Bachelor of Technology in Mechanical Engineering – Visvesvaraya Technological University (VTU) (2012-06 – 2016-05)