Delimp Technology

Uttar Pradesh Technical University

Profile URL

https://talent.gravityer.com/piyush-kumar-9968176

PIYUSH KUMAR

Full Stack Engineer with 4+ years in MERN Stack & AI Integration

Delimp Technology

Uttar Pradesh Technical University

Noida, Uttar Pradesh, India

Since April 25, 2026

About

Full Stack Developer with 4+ years of experience building and shipping production-grade web applications using the MERN stack. Experienced in designing REST APIs, building dynamic frontends with React.js and Next.js, and integrating third-party services including payment gateways and AI APIs. Comfortable owning features end-to-end - from database design to deployment. Known for clean code, fast delivery, and taking initiative on complex problems.

Top Skills

React.jsNext.JsNode.JsExpress.Js

Skills

React.jsNext.JsNode.JsExpress.JstypescriptJavaScriptMongoDBAWSPostgresqlRest ApisPostgresqlScalabilityFigmaHTML5Css3SassDebuggingtypescriptApi IntegrationsMongoDBHTML5Css3

Education

Uttar Pradesh Technical University

Bachelor of Technology

August 1, 2017 – June 30, 2021

Experience

Delimp Technology

Full Stack Developer

October 1, 2025 – Present

Noida, Uttar Pradesh, India

Eminence Technology

MERN Stack Developer

July 1, 2024 – September 1, 2025

Chandigarh, Chandigarh, India

Bentsys Software Technology

MERN Stack Developer

November 1, 2022 – June 1, 2024

Chandigarh, Chandigarh, India

Hoping Minds

Software Developer Intern

February 1, 2022 – November 1, 2022

Chandigarh, Chandigarh, India

Projects

WayOfGlory

October 1, 2025 – Present

Live production platform built at Delimp Technology - full-stack ownership from UI to database. Frontend & SSR: Next.js - leveraging server-side rendering for fast page loads and SEO optimisation. Backend: Node.js + Express.js REST APIs. Database: PostgreSQL managed with pgAdmin. Responsible for new features, bug fixes, performance improvements, and code quality.

ItsBot - AI Chatbot Platform

May 1, 2025 – Present

AI-powered chatbot web app built on top of large language models (LLM / GPT) for natural conversations. Users can ask questions, get code help, translate languages, summarise content, and generate written text. Developed the entire chat UI in React.js real-time streaming responses, session history, and mobile responsiveness. Integrated OpenAI API on the backend with Node.js and handled rate limiting, error states, and response formatting.

Vyapar - Order & Coupon Management App

June 1, 2024 – April 1, 2025

Order management platform for an organic Aloe vera farming business promoting sustainable practices. Built a coupon and discount engine - users could generate, apply, and redeem coupons at checkout. Handled order tracking, product listings, and admin dashboard using React.js and Node.js.

Zaibid - Project Bidding Platform

January 1, 2022 – July 1, 2024

Real-time bidding marketplace similar to Upwork - with Admin, Master Admin, Business, and Customer user roles. Integrated PayPal and Merchant Payment Gateway for both one-time and recurring payments. Handled complex role-based access control, real-time bid updates, and a full project lifecycle workflow. Wrote database seeders and migration scripts; the platform is live and actively used.

Key Strengths

Strong experience with modern full-stack technologies including Next.js, React.js, Node.js, Express.js, PostgreSQL, and MongoDB.
Demonstrated ability to build and maintain live production platforms, taking full-stack ownership from UI to database.
Experience implementing complex features such as payment gateway integrations (PayPal, Merchant Payment Gateway), real-time bidding, role-based access control, and large language model (LLM) API integration.
Good understanding of frontend performance optimization, including server-side rendering (SSR) for fast page loads and SEO, and achieving smooth 60 FPS performance.
Proficiency in database schema design, writing queries, and managing migrations and seeders.
Experience mentoring junior developers, conducting code reviews, and explaining best practices.
Four years of professional experience aligns with the requirements for a senior-level Full Stack Engineer role.

Cultural & Operational Fit

Cultural Fit Analysis

A Psychometric test score of 0 suggests a complete absence of demonstrated attributes related to logical reasoning, work attitude, stress handling, and team collaboration within the assessment framework. This raises substantial concerns regarding cultural fit and the candidate's ability to integrate effectively into a team environment.

Soft Skills & Operational Fit

AI is analyzing your overall score…

Identifying your key strengths…

Evaluating your skill match against the job requirements…

Key Strengths

Strong experience with modern full-stack technologies including Next.js, React.js, Node.js, Express.js, PostgreSQL, and MongoDB.
Demonstrated ability to build and maintain live production platforms, taking full-stack ownership from UI to database.
Experience implementing complex features such as payment gateway integrations (PayPal, Merchant Payment Gateway), real-time bidding, role-based access control, and large language model (LLM) API integration.
Good understanding of frontend performance optimization, including server-side rendering (SSR) for fast page loads and SEO, and achieving smooth 60 FPS performance.
Proficiency in database schema design, writing queries, and managing migrations and seeders.
Experience mentoring junior developers, conducting code reviews, and explaining best practices.
Four years of professional experience aligns with the requirements for a senior-level Full Stack Engineer role.

Cultural & Operational Fit

Cultural Fit Analysis

Soft Skills & Operational Fit