Recognized among MLH's Top 50 Hackers globally for 2025.
Harshal Patil
Harshal Patil
Engineer @ Keychain | MLH Top 50 | Ex-Frontend Intern @ Fyle
Hello! I'm Harshal Patil, a Tech Enthusiast and Backend Developer. I’ve worked across AWS, Angular, and Node.js, building customer-facing features and automation at Fyle and now engineering at Keychain. I thrive in fast-paced environments, adapt quickly across stacks (Ionic, browser extensions), and love turning ideas into production-ready products. I also write about my journey and learnings. Always open to collaborating on impactful projects.
WORK EXPERIENCE
Software Engineer
Jun 2025 - Present · Gurugram (On-site)
Full-time engineer contributing to core product features and
platform reliability. • Implementing backend services and
integrations; improving developer experience and delivery speed.
Engineering Intern
Dec 2024 - Jun 2025 · Remote
Worked on backend services, internal tooling, and feature
development.
Frontend Intern
Jul 2023 - Mar 2024 · Remote
Developed user-facing features and contributed to AngularJS →
Angular migration. • Built AWS Lambda automations integrating
ClickUp and Slack APIs.
Technical Lead
Jun 2023 - Feb 2024
Led college OSS initiatives, organized the national hackathon
INNERVE, and mentored peers.
Project Lead
Mar 2023 - Jun 2023
Developed a tax management portal for 10,000+ users using ReactJS
and Firebase, from inception to production.
PROJECTS
i-Moisture
React Flask AWS
Soil moisture prediction using digital images using multpile
linear regression model based on the Gravimetric Methods
calculation and median RGB Band values for each class of soil. •
Using this model we introduce a gamified approach to Irrigation
Management, specific to each crop.
Water Monitoring System
NodeJS, Maptiler, ChartJS, R Language
A low-cost IoT system for real-time monitoring of water quality
using sensors, a core controller, and Wi-Fi. It enables
self-protection and interaction with other objects through the
network, and data is made available to end-users via Wi-Fi
NFC based Pass Issuer
Flutter, Firebase, RazorPay, nfc-manager
The project aims to create an NFC bus pass system for Indian
Metropolitan Cities, providing more convenience and flexibility.
It addresses the limitations of the paper-based system and
supports sustainable development goals by promoting sustainable
and efficient transit.
ACHIEVEMENTS
MLH Top 50 Hackers (2025)
Major League Hacking
2025
Hack4TKM 2024 Winner
TKM Collage
Feb 16 - 18, 2024
Secured first position amongst 1000+ teams and Won a cash
prize of 1Lakh.
HackOdisha 3.0 Runner Up
NIT Rourkela
Dec 9 - 10, 2023
Runner Up in HackOdisha 3.0 - National level hackathon
organized by NIT Rourkela.
EDUCATION
Bachelor of Engineering
Army Institute Of Technology, Pune
2021-2025
Higher Education
Army Public School Dighi.
2020-2021
SKILLS
Top Skills
Frontend - Angular
6+ months Experience
Working as Engineering inter at Fyle.
Angular Node AWS
Freelancing
Technical Skills
LAMP Stack Developer
Figma
MongoDB
MySql
Firebase
Data Structures and Algo
PHP
Flutter
CPP
Python