Sumit Andariya

Python Backend Developer with 3 years of experience building scalable APIs, data-driven applications, and backend systems using FastAPI and Django REST Framework. Experienced in document processing, OCR-based data extraction, data pipelines, web scraping, and AI/GenAI integrations. Skilled in backend optimization, real-time data handling, database design, and cloud deployment.

Currently exploring AI/ML concepts such as RAG and LLM-based applications, with a strong interest in developing intelligent and scalable systems.

Python Backend Developer & Data Engineer at PortCosts (Portnex Private Limited) (2024-01 – 2026-02)

• Designed and developed high-performance REST APIs using FastAPI and Django REST Framework (DRF) for PortCosts, improving system efficiency and handling 1000+ monthly operations
• Built an AI-based invoice extraction system using OCR (Pytesseract, PDFPlumber) and prompt engineering techniques, achieving 95% accuracy in structured data extraction
• Bulk Template Generation System: Designed and implemented a dynamic field-mapping solution using FastAPI and SQL, reducing manual effort by 70%
• Cost Validation Tool: Developed and deployed a backend system using Django REST Framework on AWS (EC2, S3, RDS), reducing manual QA effort by 70%
• Automated data cleaning and validation pipelines using Python and Pandas, reducing manual effort by 80%
• Implemented batch ETL pipelines using Python and SQL, improving data reliability and system performance
• Real-Time Chat Application: Built a real-time chat application using FastAPI and WebSockets, enabling user-to-user messaging with JWT-based authentication and scalable backend handling

Freelance Python Backend Developer & Data Engineer at Self-employed (2023-10 – 2023-12)

• Scraped and structured 1000+ e-commerce products (data and images) using web scraping techniques
• Built REST APIs using FastAPI with PostgreSQL for scalable data access and integration
• Developed data pipelines for cleaning, validation, and transformation using Python
• Managed cloud deployment and database infrastructure for production-ready backend systems
• Delivered the project independently with 95%+ data accuracy under tight deadlines

Software Developer Intern (Python/Django) at Ypsilon IT Solutions (2022-05 – 2022-11)

• Developed backend features using Django and implemented database models
• Worked with REST APIs, MVT architecture, and version control in a team environment

Bachelor of Science in Computer Science – SN College, Khandwa — DAVV University (2017 – 2020)

Master of Computer Applications in Computer Applications – Sage University, Indore (2021 – 2023)