Usnik Biswas

Bangalore, India | +91 9751220197 | usnikbiswas@gmail.com
LinkedIn | Portfolio

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Professional Summary

Results-driven Backend Software Developer with 4+ years of hands-on experience building and maintaining robust backend systems using Python, Flask, and automation tools. Experienced with multi-language environments, DevOps pipelines, AI-driven chatbot integrations, and cloud deployments. Passionate about solving real-world problems through clean code and scalable architectures.

Technical Skills

Professional Experience

Software Developer – Tech Mahindra

Bangalore, India | Mar 2025 – Present

  • Improved maintainability/security across 1000+ enterprise apps via codebase hygiene initiatives.
  • Refactored multi-language codebases with automated build/test pipelines.
  • Developed automation scripts for remediation tracking and validation in Linux.
  • Enhanced CI/CD workflows for faster deployments.

Backend Developer – StableHacks

Toronto, Canada | May 2023 – Aug 2024

  • Developed and maintained Python/Flask APIs for scalable data access.
  • Built scraping + NLP pipelines (Selenium, NLTK, Spacy) storing in Pinecone.
  • Led OpenAI-powered chatbot development improving UX and support workflows.
  • Deployed/managed services on GCP (Cloud Run, Compute Engine, Functions).
  • Managed VPS hosting APIs, FTP, and Nginx.

Software Developer – Accenture

Chennai, India | Jun 2019 – Jun 2021

  • Maintained backend systems for e-commerce platforms across 16 countries.
  • Built backend modules in PHP integrated with SAP/Magento.
  • Automated data migration with Python, reducing errors and manual effort.

Software Developer Intern – Octalion

Bangalore, India | Dec 2018 – Apr 2019

  • Built secure multi-user authentication system for an education platform.
  • Worked on backend architecture with PHP (CodeIgniter).
  • Led a team of 5 juniors, ensuring code quality and collaboration.

Education