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sourav03561/readme.md

Hi πŸ‘‹, I'm Sourav Sarkar

Full-Stack Developer | Backend & Data Engineer

🌱 I’m currently learning: Machine Learning, AI/LLM integration
πŸ“« Reach me at: [email protected]
πŸ“„ View my resume: Resume (PDF)
πŸ’Ό Open to: Full-time Full-Stack / Backend Developer roles


πŸ› οΈ Skills

  • Frontend: React, TypeScript, JavaScript, Bootstrap, Tailwind, HTML, CSS
  • Backend: Python (FastAPI, Flask, Django), Node.js, Spring Boot
  • Databases: PostgreSQL, MySQL, MongoDB
  • AI & Data: Pandas, NumPy, Scikit-learn, Spark, Airflow, Generative AI, NLP
  • Cloud & DevOps: AWS (EC2, RDS, S3, Lambda), Docker, Kubernetes, CI/CD (GitHub Actions, Jenkins)
  • Tools: Git, Postman, Firebase, HuggingFace

πŸ’Ό Experience

Programmer Analyst | Cognizant Technology Solutions

Jan 2021 – Sep 2023

  • Built and maintained high-performance backend services (Python, FastAPI, Flask) handling 500k+ daily transactions.
  • Designed and deployed REST APIs & microservices with PostgreSQL and MongoDB.
  • Integrated AI/LLM models for NLP & Generative AI features in backend pipelines.
  • Collaborated in Agile teams (sprint planning, Git-based workflows, CI/CD).

Full Stack Engineer Intern | Cognizant

Sep 2020 – Jan 2021

  • Developed Spring Boot REST APIs, deployed on AWS (EC2, RDS, S3).
  • Helped migrate from monolith to microservices, improving scalability.
  • Improved API performance via query optimization & caching (~25% faster).
  • Participated in client demos and code reviews, ensuring technical alignment.

πŸ“Œ Featured Projects

  • Stack: React, Node.js, Express, MongoDB, Firebase
  • Built an online marketplace to buy, sell & bid books with real-time bidding (WebSockets).
  • Added secure JWT auth, seller dashboards, and instant notifications.
  • Stack: Python, Pandas, Airflow, Spark, Kibana, MySQL
  • Built an ETL pipeline integrating data from multiple APIs & CSV sources.
  • Automated workflows using Airflow DAGs and processed datasets with Spark.
  • Visualized global COVID trends via interactive Kibana dashboards.

πŸ“« Connect with Me

Pinned Loading

  1. Android-App Android-App Public

    Detecting user location by ip Address and also you can track your ipAddress

    Java