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Harshil Patel

A software engineer with a passion in full stack development and competitive coding. MS in Software Engineering from San Jose State University, currently building messaging infrastructure at Meta Platforms.

I excel in developing fast, scalable, and smooth software for enterprises.

4+ years of experience building large-scale distributed systems and frontend platforms. At Meta, I delivered $1.5M+ in combined annual OPEX savings by modernizing messaging infrastructure across Facebook, Instagram, and Threads. Previously built React component libraries and KPI dashboards at an AI startup, saving 125+ engineering hours per month.

Strong in React, TypeScript, Node.js, and distributed systems. I care about writing clean, performant code and shipping things that move metrics.

SELECTED PROJECTS

Crossify

Crossify

Event and Club driven social media

React.jsExpress.jsNode.jsMongoDBTailwindMaterial-UIReduxREST-APIsOAuthGoogle Maps ApiSocket.ioChart.jsPassportSMTP serverCloudinary
GitTypography

GitTypography

GitHub Contribution Art

PythonGitGitHub APIAutomation
Invoice Automation

Invoice Automation

Invoice Parser | Extractor | Visualizer

React.jsExpress.jsNode.jsMongoDBRegExEUIReduxContext APIREST-APIsChart.jsSwaggerMulterPassportJWTPDF.jsWinston

EXPERIENCE

Software Engineer

Feb 2025 - Present

Meta Platforms

Building large-scale messaging infrastructure for Messenger, Instagram Direct, and Threads (3B+ daily messages). Improved message fanout reliability from 99.86% to 99.99% (4 nines) via critical reads and retry mechanisms. Blocked 24.7M invalid messages in 31 days, reducing user-facing errors by 93.7% for 2B+ Instagram users. Projected $1M+ annual infrastructure savings through message field schematization. Automated 80% of a 600+ entity migration using an AI-powered agent — saving 2+ engineer-years. Shipped Threads Live Chat backend (April 2026). Led team-wide AI developer tools initiative (8/13 engineers): E2E test agents, oncall triage automation, onboarding generators.

Software Engineer II Intern

May 2024 - August 2024

Cisco

Developed Ops Control Center from scratch (React.js, Python, Flask, Ngnix, Shell, OAuth), a centralized platform for monitoring and managing Saas deployments. Engineered a scalable backend with Python(Flask) and DocumentDB. Built agent(Python) that runs on edge nodes facilitating non blocking distributed execution for handling tasks and providing heart details. Integrating Kubernetes operations, Docker operations, migration of resources to AWS, capturing logs and metrics for monitoring and alerting.

Master of Science in Software Engineering

Aug 2023 - May 2025 (Graduated)

San Jose State University

Specialization - Enterprise Software Technologies. Coursework - Software Systems Engineering, Data Mining, Enterprise Distributed Systems, Enterprise Software Platforms, Machine Learning.

Software Engineer

Jul 2021 - Jul 2023

AIVIDTechvision Pvt Ltd

Designed and maintained a React component library with full Storybook documentation — saving 125+ engineering hours/month across all product teams. Built a custom React + HapiJS plugin to extract KPIs from billions of computer vision bot logs, delivering a 30% boost in actionable insights. Reduced storage costs by 5x and extended data retention from 1 month to 6 months by architecting a distributed rollup system. Elevated Sonarqube test coverage from 70% to 98% and mentored 3 junior frontend engineers.

Software Engineer Intern

Apr 2021 - Jun 2021

AIVIDTechvision Pvt Ltd

Developed a Typescript backend with Express.js for worker node operations, enabling live snapshots and metadata handling. Introduced Dev Insights for efficient model evaluation, reducing manual efforts by 90%. Streamlined developer environment setup and deployment processes with Bash scripts, saving 60% setup time. Engineered an automated Inspection Report system using Puppeteer and NodeJS, delivering scheduled business updates with charts, CSVs, and camera content.

Frontend Engineer Intern

Mar 2021 - Apr 2021

Srchout

Developed an E-learning platform using Angular and Material-UI integrated features such as statistical analysis of student, dashboards, Live E-board, Zoom WebSDK.

Bachelor of Engineering in Information Technology

Aug 2017 - May 2021

Gujarat Technological University

Coursework - Data structures, Object oriented programming - C++/Java, Analysis and Design of Algorithms, Python programming, Web Technology, Data mining and Business Intelligence, Big Data Analytics, Artificial Intelligence

ACHIEVEMENTS

Top 1.25% in CodeChef October Challenge

Oct 2020

CodeChef

263 out of 20,000+ participants

Top 1.19% in CodeChef September Challenge

Sep 2020

CodeChef

357 out of 30,000+ participants

Top 3.5% in Facebook Hackercup round

Oct 2020

Facebook Hackercup

1167 out of 32,000+ participants

Secured 886 Rank in CodeChef July Challenge

July 2020

CodeChef Hackercup

solved 7 problems with 1 partially right solution out of 10 problems(15 Days long Competition)

Secured 1166 Rank in CodeVita 2020 Round 1

Aug 2020

CodeVita 2020

Highest Rank in the college.

SKILLS

react

javascript

typescript

html

css

tailwind

next

angular

express

node.js

django

mysql

graphQL

postgreSQL

nginx

mongo

aws

docker

kubernetes

jenkins

kafka

linux/unix

elasticsearch

git

c

c++

c#

python

java

jira

redux

bootstrap

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