Dharshan Kumar J
Full-stack developer and API specialist
dharshan-kumar
Tamil Nadu, India
2 connections
Joined May 2026
Summary
Backend and API specialist with practical experience in Golang, Python, and modern backend frameworks — builds REST APIs, mail backends, and cloud-deployable services. dharshankumar+2
Creates privacy-focused, client-side web applications and PWAs (for example PDFMatrix), emphasizing offline support and local processing to avoid server uploads. github+1
Active open-source contributor and project maintainer; co-founder of TurpleSpace and contributor to multiple repositories and projects under the TurpleSpace organization. github+2
Technical writer and community educator — publishes practical technical guides on Medium and has run seminars and workshops (Git & GitHub, full-stack bootcamps) documented on his site. medium+1
Work
Education
Projects
Writing
From Zero to Practical DevOps: My Real Learning Path with Terraform, Ansible, and Jenkins
December 1, 2025A beginner-friendly, experience-driven guide describing a practical learning path through Terraform, Ansible, and Jenkins for DevOps tasks.
Turning Sentences into Angles: A Beginner’s Guide to Cosine Similarity
July 1, 2025An introductory guide to cosine similarity for text, explaining vector representations and practical NLP use cases.
Authentication and Authorization Demystified: Real-Life Examples That Make Sense
June 1, 2025Explains authentication and authorization using accessible examples, covering technologies like OAuth, SAML, JWT, and OpenID Connect.
Vite vs CRA: The Ultimate Beginner’s Guide to Modern React
May 1, 2025A comparison of Vite and Create React App for React projects, highlighting development speed, configuration, and bundling differences.
DNS: The Internet’s Phone Book — Explained for Beginners
May 1, 2025A beginner-friendly explanation of DNS and how it connects domain names to IP addresses.