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Available for work

Jayant Pathariya

I ship travel systems, e-commerce, and private browser tools - APIs that stay up, and files that never leave the device.

Write to meGitHub

Now shipping

StackTools

Privacy-first suite of free browser tools for PDF and image work. Files never leave the device - no accounts, no uploads. StackPDF covers merge, split, compress, convert, OCR, and redaction; StackImage handles compress, HEIC convert, background removal, and on-device upscale.

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About

Fullstack developer with 3+ years building booking engines, storefronts, and tools that have to work under load.

I spend most of my time on high-volume travel and e-commerce systems: unifying messy third-party APIs, moving storefronts to SSR for search, and keeping checkout and search fast. On the side I ship open-source CLI tooling and StackTools, a suite of private PDF and image apps that run entirely in the browser.

I care about clean architecture, a calm developer experience, and products that still make sense when the traffic shows up.

Education

Bachelor of Technology in Computer Science

Samrat Ashok Technological Institute · Aug 2018 – May 2022

Languages

JavaScriptTypeScriptHTMLCSS

Frontend

React.jsNext.jsReact RouterReact QueryReduxZustandTailwindCSS

Backend

Node.jsExpress.jsREST APIs

Databases

MongoDBPostgreSQLMySQLRedis

ORMs

MongoosePrismaDrizzleORMSequelize

Mobile

React Native

Testing

JestVitestReact Testing Library

Tools

DockerGitVS CodeCursorPostman

Experience

  1. Flyzy

    Mar 2025 – June 2026

    Fullstack Developer · Gurugram, Haryana

    Spearheaded end-to-end development of core travel tech features using the MERN stack, maintaining 99.9% system availability for booking engines.

    • Engineered a unified Flight Engine API integrating 3 third-party aggregators into a single response format, reducing integration overhead by ~40%
    • Standardized flight schedules, pricing, and airline data from disparate sources, cutting data inconsistency errors by over 60%
    • Implemented Redis caching for high-volume concurrent search, reducing database load by ~50%
    • Optimized booking API workflows, improving average load times by ~35%
    ReactNode.jsMongoDBExpress.jsRedis

  2. RSVR Tech

    Sep 2021 – Nov 2023

    Fullstack Developer · Remote

    Introduced Next.js with SSR to improve SEO and Core Web Vitals for the GoEthical e-commerce storefront, achieving a ~30% improvement in organic search visibility.

    • Architected a Project Management System enabling task creation, categorization, and cross-team assignments across 4+ teams
    • Built a logging and activity-tracking engine covering 100% of critical workflow events
    • Engineered relational schemas for complex task dependencies, reducing query latency by ~25%
    • Built a cross-platform React Native Salesman Manager app for field sales, deployed to iOS and Android
    • Optimized checkout architecture, reducing purchase friction and improving conversion rates by ~15%
    Next.jsReact NativeNode.jsSequelizeMySQL

  3. Heu.ai

    Jul 2021 – Aug 2021

    React Developer · Remote

    Identified and resolved critical software bugs, ensuring improved application stability prior to release.

    • Collaborated with design and backend teams to deliver seamless user experiences
    ReactJavaScriptCSS

  4. GeeksforGeeks

    Feb 2021 – Jun 2021

    Technical Content Writer · Remote

    Wrote 25 in-depth technical articles focused on Linux concepts, commands, and system fundamentals.

    • Created practical, step-by-step guides on shell scripting, file systems, process management, and package management
    • Explained core Linux topics in a clear, structured manner to help beginners build strong fundamentals
    LinuxTechnical Writing

Selected work

StackTools

Live

Privacy-first suite of free browser tools for PDF and image work. Files never leave the device - no accounts, no uploads. StackPDF covers merge, split, compress, convert, OCR, and redaction; StackImage handles compress, HEIC convert, background removal, and on-device upscale.

TanStack StartReactTypeScriptWebAssembly

envproof

Published

Open-source, zero-dependency CLI that validates environment variables before runtime. Enforces a fail-fast pattern so missing or misconfigured env vars cannot silently break production. Declarative config with full TypeScript support on npm.

Node.jsTypeScriptCLI

Markdown Studio

Live

A modern markdown editor with real-time preview, syntax highlighting, and a distraction-free two-pane writing experience. Built with Next.js and TypeScript, with a responsive TailwindCSS UI for desktop and mobile.

Next.jsReactTypeScriptTailwindCSS

Flight Engine API

Unified API integrating 3 third-party flight aggregators into a single cohesive response format. Modular aggregator adapters, Redis caching for concurrent search, and ~40% lower average latency. Built at Flyzy.

Node.jsExpress.jsMongoDBRedisDocker

Salesman Manager

Cross-platform React Native app for tracking field sales visits, outcomes, and notes. GPS capture verifies on-site presence for 100% of field visits. Node.js and Express APIs store activity data in MySQL via Sequelize. Built at RSVR Tech.

React NativeNode.jsExpress.jsMySQLSequelize

Project Management System

Task platform for creation, categorization, and cross-team assignments. Activity-tracking engine maintains audit trails of status changes, with relational schemas for task dependencies and sub-200ms dashboard API responses. Built at RSVR Tech.

Next.jsNode.jsMySQLSequelizeRedux

GoEthical E-Commerce

Migrated the storefront from React to Next.js with SSR, improving SEO and Core Web Vitals by ~30%. Optimized checkout for ~15% higher conversion, added dynamic product-page content, and built a seller dashboard for listings, inventory, and fulfillment. Built at RSVR Tech.

Next.jsReact.js

Let’s talk

If you need a booking engine that stays up, a storefront that ranks, or a tool that should never upload a file - write to me.

jayantmehra02@gmail.comLinkedIn