Roni Ahamed roniahamed

About Me

roni@backend-dev:~$ whoamiMD Roni AhamedPython Backend Engineer

roni@backend-dev:~$ cat backend_focus.txtDjango, Django REST Framework, PostgreSQLRedis, Celery, WebSockets, OAuth2, JWT

roni@backend-dev:~$ cat deployment_stack.txtDocker, Nginx, Gunicorn, Linux VPS,AWSGoogle Calendar API,Google Maps API

Backend developer focused on production-grade APIs, real-time systems, and reliable deployment. I work on backend problems that directly affect delivery quality: query performance, async workflows, role-based access, third-party integrations, and systems that stay maintainable in production.

	SaaS and booking platforms with Django
	System design, async architecture, deployment
	Django, DRF, PostgreSQL, WebSockets, Celery, Docker
	Trained 180+ students before moving full-time into backend engineering

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Tech Stack

Languages	Backend and Frameworks	Databases
DevOps and Cloud	Integrations

Work Experience

Backend Developer — JoinVentureAI

Aug 2025 – Present

Built and deployed scalable REST APIs using Django and DRF — full lifecycle from database design to production
Integrated Stripe payments, real-time WebSocket notifications, and Celery-based async processing
Deployed applications with Docker, Nginx, and Gunicorn on Linux VPS
Optimized database queries and improved production system performance

Python Trainer — Digicon Technologies PLC

Feb 2024 – Sep 2024

Trained 180+ students in Python, OOP, and real-world project development
Designed complete training curriculum from scratch
Achieved 75%+ project completion rate
Mentored students on backend development fundamentals and problem-solving

Featured Projects

Eastmond Villas — Luxury Villa Rental Platform

A full-featured villa rental and sales backend with real-time booking, calendar sync, and role-based access.

What I Built	Impact
RBAC for Admin, Manager, Agent, Customer	Clean permission flow across all user types
iCal and Google Calendar sync	Zero double-booking conflicts
Async emails via Celery and AWS SES	Scalable delivery without blocking requests
Full booking flow with conflict detection	Faster, error-free property management

CheckIn — Healthcare Patient Queue System

Real-time patient check-in and queue management system for clinics.

What I Built	Impact
Real-time queue updates via WebSocket	Clinic staff always see live status
Async workflow processing with Celery	Less manual work, fewer errors
Full API docs and Postman collection	Smooth team handover and easy testing

ExtraHandenAI — AI Assessment Platform

Scalable quiz and assessment backend handling 100,000+ records with optimized queries.

What I Built	Impact
Hierarchical question bank and bulk upload	Easy large-scale content management
Query optimization with `select_related` and `prefetch_related`	100k+ records handled efficiently
Token-based auth with role access	Secure assessment workflows

Open Source Contributions

Repo	What it does	Stack
Just-Save-Vid	Download HD videos from TikTok, YouTube, Facebook and Instagram without watermark	Python
FitCore	AI-powered fitness app with personalised meal plans and premium workout videos	Django · DRF
Furniture Bazar	Full e-commerce solution for furniture retailers with professional shopping experience	Django

Problem Solving

Solved 400+ problems across LeetCode and Codeforces — arrays, trees, graphs, DP, and greedy. This directly shapes how I design efficient database queries and backend logic.

Let's Build Together

Building a SaaS, booking platform, or business tool? I take it from planning to production.

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