Sayantan Saha
Alex
NicknameBackend Specialist | AWS Solution Architect | Microservices Engineer
I'm a Backend Developer with 5+ years of experience3+ years corporate experience and 5+ years freelancing experience building scalable applications using Python. I specialize in designing robust modular monoliths and microservices using frameworks like Django and FastAPI.
My expertise extends to containerization with Docker and orchestrating scalable microservices with Kubernetes. I have extensive hands-on experience deploying and managing cloud infrastructure on AWS, utilizing services like EKS, EC2, S3, SNS, SQS, SES, Route53, IAM, API Gateway, Cognito, RDS, and RDS Proxies.

Experience
Associate Software Developer
Vyrazu Labs Pvt. Ltd.
Developing high-quality backend server and services with expertise in Django, FastAPI, Next.js and SQL Databases. Working with modern DevOps tools including Docker, AWS services like EC2, Route 53, S3 Storage, RDS, EKS and more.
- High-Throughput API Development: Architecting and maintaining high-concurrency backends using FastAPI and Django, optimized for low-latency response times.
- Container Orchestration & DevOps: Managing production environments with Docker and Kubernetes, streamlining deployment pipelines and ensuring system high-availability.
- Database & Storage Architecture: Designing and scaling relational databases with AWS RDS, utilizing Redis for distributed caching to reduce primary database load.
- Cloud Infrastructure: Provisioning and managing scalable AWS resources including EC2 for compute, S3 for object storage, and Route 53 for global traffic routing.
- System Integration: Implementing GraphQL and RESTful interfaces to bridge complex backend logic with frontend consumers, ensuring type-safe and efficient data fetching.
- RAG AI Implementation: Engineering Retrieval-Augmented Generation (RAG) pipelines to integrate LLMs with proprietary data, focusing on vector database optimization and query performance.
Education
Web Development Bootcamp
Instally Academy
Intensive bootcamp covering modern web development stack including TypeScript, React, Next.js, and Django, with hands-on project experience.
Bachelor of Technology in CSE
Brainware University
Specialized in Machine Learning with a focus on distributed systems and advanced algorithms.
- Specialization in Machine Learning
- Thesis on Distributed Systems
Certifications
Hobbies & Interests
Open Source
Contributing to open-source projects and building tools for the developer community.
Gaming
Passionate gamer exploring indie games and competitive multiplayer titles.
Music
Exploring various genres from lo-fi beats to classical compositions.
Reading
Avid reader of tech blogs, science fiction, and philosophy books.
Fitness
Regular gym enthusiast maintaining an active and healthy lifestyle.
Photography
Capturing moments and exploring the intersection of art and technology.