👋 Hi, I'm Vignesh Selvaraj

📈 About Me

I'm a Python Backend Developer with over 2+ years of experience building and optimizing scalable web applications using Django, FastAPI, Flask, and PostgreSQL. I specialize in creating secure REST APIs, integrating LLMs, and automating deployments through Docker, CI/CD, and AWS.

• Currently working at Yaale Technologies as Software Developer L2
• Delivered projects in banking, billing, e-commerce, and DevOps automation
• Experience in integrating Kore.ai Virtual Assistants and LLM-based AI systems
• Open-source contributor — published 2 Python packages

🧠 Skills

• Backend: Python, FastAPI, Flask, Django, DRF
• Databases: PostgreSQL, MySQL, MongoDB, Redis, SQLite
• DevOps & Cloud: AWS (EC2, S3, RDS, VPC, SQS, Lambda), Docker, CI/CD, GitHub Actions
• AI & Data Science: Kore.ai, LLM Integration, NumPy, Pandas, Matplotlib
• Security & Testing: UnitTest, PyTest, OAuth2, SAML SSO, JWT
• Messaging: Celery, RabbitMQ
• Tools: Git, GitHub, JIRA, Postman, PyCharm, Jupyter

💼 Experience

Software Developer L2 — Yaale Technologies | Jun 2025 – Present

• Leading backend for a banking project (Bank-X) using FastAPI and MongoDB
• Developed scalable REST APIs, async transaction handling, and OAuth2/SSO security
• Integrated Kore.ai and LLMs for AI-driven customer automation
• Implemented monitoring and logging for production-grade APIs

Junior Software Engineer — Imetanic India Pvt. Ltd | Jul 2024 – May 2025

• Developed REST APIs for background check systems (SYNTROVE)
• Implemented SAML SSO, OAuth, and PostgreSQL optimization
• Integrated AWS for scalable and secure data handling

Junior Python Developer — Cloud Garage LLP | May 2023 – Jul 2024

• Developed Koyaca Billing System and Auto Cloud projects using Django and Flask
• Enhanced backend performance by 30%, managed CI/CD pipelines
• Built RESTful APIs, payment gateways, and containerized deployments

🚀 Projects

1. Bank-X | Yaale Technologies

Technologies: FastAPI, MongoDB, Kore.ai

• Designed async APIs for banking-grade applications
• Integrated OAuth2 and Kore.ai chat automation
• Deployed microservices with Docker and CI/CD

2. SYNTROVE | Imetanic India Pvt. Ltd

Technologies: Flask, PostgreSQL, AWS

• REST APIs for background checks (criminal, credit, motor vehicle)
• Implemented SAML SSO and data encryption

3. Koyaca Billing System | Cloud Garage LLP

Technologies: Django, MySQL, AWS

• Developed supermarket billing backend with Razorpay integration
• Improved API response and optimized queries

4. Auto Cloud | Cloud Garage LLP

Technologies: Flask, PostgreSQL

• DevOps automation dashboard for resource provisioning
• Dockerized app with CI/CD deployment pipelines

5. JewelryShop Management | Freelance

Technologies: Django REST Framework, MySQL

• RESTful APIs for product, cart, and orders
• Integrated Razorpay payment gateway

🏆 Certifications & Open Source

• Oracle — Cloud Infrastructure Generative AI Professional
• Kore.ai — Automation AI Certificate
• Udemy — Deep Dive into Machine Learning
• Techieey — Python Basic
• 🏅 Kabbadi Gold Medal – District Journal Level
• Open Source: Published Python packages — termcolorsfx and pythontextstats

🎓 Education

• Masters of Computer Application — Srinivasan College of Arts and Science, Perambalur (2021–2023)
• Bachelor of Computer Application — St. Joseph's College, Tiruchirappalli (2018–2021)

📫 Connect with Me