Naresh Kumar

Experience

1. Jan 2025 – Present

   1 yr 10 mos

   Delhi, India

   Backend Developer

   Jivo Wellness · Full-time

   Building RESTful APIs, approval workflows and ERP modules in Python on PostgreSQL, Microsoft SQL Server and SAP HANA.

   • Engineered RESTful APIs with Django REST Framework and PostgreSQL for the Jivo App, a React-based factory operations platform used by 300+ people that digitizes plant processes from material receipt through warehousing and production.
   • Developed 6 backend modules for the Jivo App (Gate-In, Quality Control, Goods Receipt, Warehouse Management System, Production, Barcode Tracking), modeled the PostgreSQL schema for inventory and production data, and implemented barcode generation and scanning for real-time material tracking.
   • Built JSAP, an SAP-integrated multi-stage approval system with customizable templates and condition-based stage logic, adopted at head office for all approval types.
   • Developed core ERP backend modules (Budget Management, Advance Payment, Bill of Materials) on Microsoft SQL Server and SAP HANA.
   • Reduced file access time by over 50% by redesigning internal services with FastAPI.
   • Created Windows desktop utilities in Python, including a Ledger Report Generator and SecureSync for secure data handling and local synchronization.

   • Python
   • Django
   • Django REST Framework
   • FastAPI
   • PostgreSQL
   • Microsoft SQL Server
   • SAP HANA
   • React

Projects

• Jivo App

  Featured

  A factory operations platform that digitizes plant processes, from material receipt through warehousing and production, used by 300+ people.

  • Django REST Framework
  • PostgreSQL
  • React

  • Backend modules for Gate-In, Quality Control, Goods Receipt, Warehouse Management, Production and Barcode tracking.
  • RESTful APIs with Django REST Framework and a PostgreSQL schema for inventory, material movement and production data.
  • Barcode generation and scanning for real-time tracking through receiving, warehouse and production.

• JSAP

  Featured

  An SAP-integrated, multi-stage approval system with customizable templates and condition-based stage logic, used for approvals across head office.

  • Python
  • SAP HANA
  • Microsoft SQL Server

  • Multi-stage approval flows modeled on SAP HANA workflows.
  • Customizable templates with condition-based stage logic.
  • Adopted at head office for all approval types.

• Search Through Video

  Featured

  A web app that searches inside videos by text query and starts playback at the exact matching moment.

  • FastAPI
  • AWS S3
  • Binary Search

  • Generates transcripts and finds matches with binary search.
  • FastAPI backend with video storage on AWS S3.
  • Timestamp navigation: clicking a result starts playback at that moment.

All projects

Latest posts

• Engineering

  Eight Pydantic AI Security Advisories: What to Upgrade

  Any page you had open could drive the local chat UI, and streaming through a concurrency limit leaked slots. I tested both fixes on old and new versions, and pip-audit with its default database did not list any of the eight yet.

  10 Oct 2026 · 8 min read

• Engineering

  Lifeguard: Find Lazy Import Problems in Your Django Project

  Python 3.15 can make every import lazy, and imports kept only for their side effects then never run. Lifeguard finds them without running your code. I broke a payment registry on purpose and fixed it with a filter built from its report.

  10 Oct 2026 · 8 min read

• Engineering

  Claude Haiku 5.5 and Mistral Large 4: Prices, APIs and Gotchas

  Anthropic shipped a Haiku that costs a tenth of the old one, Mistral opened a preview of its biggest model, and a DeepSeek model from September set off the week's debate about price. What each costs, how to call it and what breaks.

  10 Oct 2026 · 8 min read

Read the blog

Education

Certifications

• Databases for Developers: Foundation

  IIT Kanpur

  Issued Apr 2023

  • MongoDB
  • NoSQL architecture
• Full Stack Web Developer

  RCPL India

  Issued Jul 2023

  • Full-stack web development