Hello, I'm Dipto Bhattacharjee
🔧 Backend Engineer | Cloud & DevOps Enthusiast
# ./about_me.yaml
name: Dipto Bhattacharjee
education: Bachelors of Technology in Computer Science and Engineering
portfolio_website: https://dipto-bhattacharjee.netlify.app/
current_job: Software Engineer
current_company: koolio.ai
fields_of_interests:
- Backend Development
- Cloud Engineering
- DevOps
technical_background:
- DevOps and Cloud Engineering with AWS and GCP
- Backend Development in Python(Flask, FastAPI), Java(Sprint Boot) and Node.js(Express.js)
- LiveKit AI Voice Agents
- AI Model Pipeline Integration Workflows
- AI Model Workflow Orchestration
- Realtime Distributed Systems
- Frontend Development with React (both TypeScript and JavaScript)
achievements:
- koolio.ai:
- Led backend system architecture and cloud infrastructure (AWS and GCP) for a production app delivering 10+ core features with 99.9% uptime
- Architected modular microservices with event-driven design, asynchronous task execution and efficient inter-service communication - improving system reliability and cutting API response latency by 56%
- Designed and implemented Google OAuth 2.0, Apple SSO and Facebook SSO for secure authentication, boosting user onboarding by 47%
- Developed a full-scale subscription management system using Stripe APIs with trials and webhooks, ensuring seamless billing and compliance
- Automated deployments with CI/CD pipelines (GitHub Actions, Docker, Cloud Build) enabling zero-downtime releases and 70% faster release cycles, and 95% reduction in manual deployment errors
- Migrated ML inference workloads from AWS EC2 to ECS, reducing compute overhead and cutting infrastructure costs by 40%
- Engineered real-time collaboration architecture using Socket.IO, Redis Pub/Sub and WebSockets, scaling from MVP to 1,000+ concurrent sessions with low latency and high reliability
- Developed LiveKit-based AI Voice Agent system supporting multi-user audio rooms with live transcription and recording, designed for fault-tolerant, scalable real-time collaboration
- Revamped audio processing pipelines, implementing asynchronous task handling and caching, increasing processing throughput by 66.7%
- Streamlined PostgreSQL and NoSQL databases (Redis, DynamoDB, Firestore), reducing storage footprint by 35% and latency by 50%
- Resolved 100+ critical backend production issues, improving system stability, uptime and reducing average incident response time by 50%
- basel_practitioners:
- Delivered interactive forecasting dashboards via AWS QuickSight, S3 & Athena for data-driven insights
- Architected scalable backend on Spring Boot & database schemas with MySQL, ensuring maintainability & efficient data flows
- Optimized database performance, improving query execution & reducing latency by 50%
- Contributed to frontend React, Redux & Axios, building features with React Hooks for smooth API integrations
currently_learning:
- Go
- Kubernetes
- Terraform
- Rust
hobbies:
- Playing football
- Riding Motorcycle
- Travelling
- Photographing