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Software Engineer · Gujarat, India

Kailash Rajput.I build products end to end.

Software engineer at Heizen, building enterprise and startup products end to end, from procurement platforms to grocery and healthy-food delivery apps.

Say helloWork and collaborations
kailashrajput8799@gmail.com
Resume & work4 projects, 2025 – now
View resumeView selected work

01Experience

Where I've worked.

Product engineering across frontend, mobile and backend teams.

  1. – Present

    Software Engineer · Heizen (opens in a new tab)

    Hyderabad, Telangana, India · Full-time · Hybrid · Formerly OpenGig · Current role

    • Work directly with clients to understand their requirements, decide how the product should work, build it and take it from development to production.
    • Built a procurement and internal management platform for Al Bahja Group in Oman covering 6,000+ items: purchase requests, RFQs, purchase orders, shipment tracking, billing and a separate supplier portal.
    • Worked on Raphe's procurement and ticketing platform in India, helping automate ticket assignment and improve how teams handle procurement tasks.
    • Built Freshiyo's grocery delivery platform from scratch — customer app, delivery partner app, admin panel and warehouse management — and took it to production, reaching 2,000+ customers and INR 7 lakh+ in revenue.
    • Built Nutrio, a healthy food delivery app with 7- and 30-day subscriptions, now live on Google Play and the App Store with 1,000+ customers.
    • Worked on several other startup projects, from understanding requirements and building features to deployment and production support.
    • TypeScript
    • Next.js
    • React
    • NestJS
    • Node.js
    • React Native
    • Expo
    • PostgreSQL
    • MongoDB
    • AWS

  2. –

    Software Engineer · Inventyv Software Services (opens in a new tab)

    Ahmedabad, Gujarat, India · Internship · On-site

    • Developed and maintained REST APIs with the Axum framework in Rust.
    • Built screens for a health coaching iOS app with Storyboard and UIKit.
    • Built a Threads app interface in SwiftUI.
    • Swift
    • SwiftUI
    • UIKit
    • Rust
    • Axum

  3. –

    Software Engineer · CodeFobe (opens in a new tab)

    Delhi, India · Internship · Remote

    • Fixed important bugs based on user feedback, making the app more stable.
    • Built a survey screen and its backend to gather user feedback, and improved the app's review system.
    • Converted the app into a web version from the same codebase using Webpack and React Native Web.
    • React Native
    • Redux
    • React Native Web
    • Webpack
    • Node.js

  4. –

    Back End Developer · Ardent Sport

    Ahmedabad, Gujarat, India · Internship · Remote

    • Reworked backend code so the APIs respond faster.
    • Built new APIs and fixed the server errors that were causing 502 responses.
    • Node.js
    • Express.js
    • MongoDB
    • Azure

02Selected work

Products, built end to end.

Procurement platforms for enterprise clients in Oman and India, and two delivery apps live on Google Play and the App Store.

01WebJun 2026 – PresentIn development

Al Bahja

An internal procurement platform for Al Bahja Group in Oman, with an AI inbox that links supplier emails to the right RFQ or purchase order.

  • Next.js
  • TypeScript
  • NestJS
  • PostgreSQL
  • Claude
  • Microsoft Graph
  • AWS SQS
  • Docker

04WebApr 2026 – Jul 2026

Raphe

Procurement as tickets for Raphe mPhibr: department, procurement, finance and management approvals, with purchase orders, deliveries and payments in one place.

  • Next.js
  • NestJS
  • PostgreSQL
  • On-premise servers
Portrait of Kailash Rajput
Kailash RajputGujarat

03About

Engineer first, product-minded always.

I build products from scratch and take them to production, from understanding the business problem to deployment and the improvements that follow.

At Heizen I work directly with clients: I discuss what they need, decide how the product should work, then build and ship it. I've delivered enterprise platforms for clients in Oman and India, and startup products that customers use every day.

My focus is full-stack development across web and mobile: TypeScript, React, Next.js, Node.js, NestJS and React Native, with PostgreSQL, MongoDB and Redis, deployed with Docker on AWS and Google Cloud.

I value clean code, practical solutions and owning what I build, and I pick up new technologies quickly when a project needs them.

04Toolkit

What I build with.

Technologies I've used in production roles and in the projects on this page.

  • AI / LLM

    • LLM agents
    • RAG
    • Email and document extraction
    • Vercel AI SDK
    • Claude
    • Gemini

  • Backend

    • Node.js
    • NestJS
    • Express.js
    • PostgreSQL
    • MongoDB
    • MySQL
    • Redis
    • Prisma
    • Kafka
    • REST APIs
    • Java
    • Spring Boot

  • Frontend & apps

    • React
    • Next.js
    • TypeScript
    • JavaScript
    • React Native
    • Expo
    • Tailwind CSS
    • shadcn/ui
    • React Native Web

  • Cloud & DevOps

    • AWS (ECS, ECR, S3, Lightsail, SQS)
    • Google Cloud
    • Azure
    • Docker
    • Turborepo
    • CI/CD
    • Git

  • Engineering

    • Product engineering
    • System design
    • Procurement and ERP workflows
    • Data structures & algorithms

05Education & hackathons

Foundations.

A computer engineering degree, and the university hackathons where I built under a deadline.

Education

Hackathons

  • DUHacks 3.0

    Nadiad, Gujarat

    Built a web application for sharing notes with friends.

  • DUHacks 2.0

    Nadiad, Gujarat

    Built a mobile application that delivers university campus-wide events to all students in real time.

06Contact

Have something worth building?Let's talk.

I'm always glad to collaborate on new projects and exchange ideas. Whether you have a project in mind, want to talk technology, or just want to connect professionally — email me or book a call.

Email me
kailashrajput8799@gmail.com

Other ways to reach me