Saumili
Haldar
I build scalable backend architectures, real-time data pipelines, and AI-driven applications that solve complex engineering problems.

ABOUT ME.
Passionate Developer & Lifelong Learner
I'm Saumili Haldar, a Computer Science & Engineering graduate (Class of 2025).
My journey evolved from engineering core Python functionalities in e-commerce to architecting complex AI integrations and real-time streaming tools.
Currently, as a Software Developer at RS Consultancy, I specialize in building robust, low-latency MQTT data architectures with absolute reliability.
PROFESSIONAL EXPERIENCE.
RS CONSULTANCY
SOFTWARE DEVELOPER
Architecting a Windows-based desktop application alongside high-performance web interfaces. Implementing MQTT-based communication protocols to ensure seamless, real-time data exchange across multiple client systems - achieving latency of less than 100ms and improving operational efficiency by 20%.
WINSTREET INFOTECH
PYTHON DEVELOPER
Developed and maintained a Python-based e-commerce platform, translating client requirements into scalable functional features. Enhanced production stability by 25% through rigorous cross-module testing and high-quality code reviews, ensuring near-zero downtime during deployment.
TECHNICAL SKILLS.
Languages
Frontend Development
Database & Deployment
Backend & API
Tools & AI
FEATURED PROJECTS.
Railyn
Railway Booking Engine
A high-concurrency train booking platform with atomic seat allocation, dynamic pricing, Razorpay checkout, and real-time MQTT delay alerts.
- Lock-free seat allocation via shared-memory buffer
- Real-time delay rerouting & telemetry using MQTT
- QR-coded PDF ticket delivery via Email

DevTrackr
Developer Analytics SaaS
An AI-powered GitHub analytics platform with real-time repository sync, interactive dashboards, and neural productivity scoring.
- Real-time GitHub repository sync & commit analytics
- Neural productivity scoring with Gemini AI
- Interactive dashboards & contribution heatmaps

Lysn
PDF to Audio App
A PDF-to-audio web app with OAuth, GridFS cloud storage, and high-fidelity text-to-speech conversion using gTTS.
- OAuth-secured upload & user session management
- GridFS storage for large PDF document handling
- High-fidelity gTTS text-to-speech pipeline

NexGenie
Chatbot for LMS
AI chatbot with personalized course recommendations, real-time coding assistance, and multilingual support using FastAPI and Redis.
- Personalized course recommendations via AI context
- Real-time coding assistance with streaming responses
- Multilingual support with Redis-cached sessions

GET IN TOUCH.
Let's Connect.
I'm currently open to new opportunities and collaborations. Whether you have a question or just want to connect, feel free to reach out.
