Full-stack developer

Available for opportunities

Sonalkumar Singh.

I build React interfaces and dependable APIs, with 1+ years of hands-on product experience.

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Worked Projects

Shopify bookingCompany project

SlotMate

Turn Shopify products into bookable services with flexible scheduling.

My contributionMerchant configuration, slot availability, and booking API flows.

React
Node.js
Shopify
Express

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AI & learningCompany project

Ezhog

AI-assisted research, quizzes, and question solving in one workspace.

My contributionAsynchronous AI flows, webhooks, citations, and loading feedback.

Next.js
Node.js
OpenAI API
Webhooks

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Document generationCompany project

CreateReceipt

A receipt builder with customizable forms and downloadable PDFs.

My contributionReusable form components, HTML-to-PDF styling, and API integration.

React
HTML-to-PDF
REST APIs

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Social schedulingCompany project

DulyPlan

Plan social content with a calendar built around real publishing workflows.

My contributionDrag-and-drop scheduling, timezone logic, and event grouping.

React
React DnD
REST APIs

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Community platformPersonal project

Stack Overflow Clone

A full-stack Q&A community with questions, answers, voting, and tags.

My contributionConnected authentication and community features across the MERN stack.

React
Node.js
Express
MongoDB

Live demo Source code

Game developmentAcademic project

2D RPG Game

A Zelda-inspired adventure with enemies, exploration, and level progression.

My contributionPlayer movement, enemy behavior, collision detection, and map progression.

Python
Pygame
Enemy AI

Play game

About me

From interface to API.

I'm a full-stack developer based in Mumbai. I enjoy turning complex workflows into interfaces that feel straightforward to use.

My work spans booking, AI tools, social scheduling, and document generation. I care about the details on both sides of the screen: clear interactions and dependable APIs.

Experience: 1+ years
Based in: Mumbai, India

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Experience

Full Stack Developer

Current

Digitrix Agency Vasai, India

Jun 2025 - Present

Building product features across SlotMate, Ezhog, CreateReceipt, and DulyPlan.

React interfaces, reusable components, and accessible product flows.
Booking, timezone-aware scheduling, and document generation.
Node.js APIs, asynchronous integrations, and backend workflows.

See the work

Education

Bachelor of Information Technology

Mumbai University 2021 - 2024

Earlier education

HSC Science / Vartak College

2020 - 2021 / 91.83%

SSC / Pancham High School

2018 - 2019 / 90.20%

My toolkit.

Frontend

React
Next.js
JavaScript
TypeScript
HTML5
CSS3
Tailwind CSS
MUI

Backend & data

Node.js
Express
MongoDB
SQL
REST APIs
Python

Tools & deployment

Git
Postman
Vercel
Render

Have something in mind?

I'm open to full-stack roles, freelance projects, and good conversations about building for the web.

Emailsonalsinghraj123@gmail.com Phone+91 9324390374 LocationMumbai, India