Kuldeep Tiwari — Systems Engineer

About

NOT A
DEVELOPER.
A BUILDER.

I handle everything. Product thinking. Market research. Feature planning. Development. Deployment. Scaling.

I'm Kuldeep a Full Stack Developer with the mindset of a product engineer. While most engineers wait for specs, I help define them. Over 4 years I've built 7 complete systems — not features inside someone else's product, but full infrastructure platforms that run real businesses.

My work spans data intelligence, revenue operations, HR, hiring, partner management, and e-commerce. Each system solved a different business-critical problem at real scale.

React Next.js Node.js Express.js TypeScript PHP Python MongoDB MySQL Tailwind CSS Figma Framer Webflow WordPress Stripe REST APIs API Integrations Chrome Extensions AI Integrations CRM Development SaaS Development Automation Systems UI/UX Design Technical SEO Google Ads LinkedIn Ads Performance Optimization Vercel Git/GitHub Cloudflare Growth Engineering Sales Automation Prompt Engineering Analytics 100+ API Integrations

🏗️ Systems Architect

End-to-end ownership from schema design to cloud deployment. Systems handling 300M+ records, 1000+ concurrent users, and critical business operations.

🧠 Product Thinker

I research markets, define features, and ship iteratively. Not just a developer — a product partner who closes the loop between business goals and technical execution.

⚡ Performance Engineer

60% faster platforms, 88%+ data accuracy, 70% onboarding improvement. Every decision is measured against real outcomes.

🔌 Integration Expert

100+ API integrations across payments, CRMs, analytics, communications, and data platforms. I make complex systems talk to each other reliably.

7+

Business Platforms Revamped

1000+

Document Processed Securely

99%

System Reliability Delivered

100+

Chrome Extension Users

60%

workflow Optimization Gains

100+

Api Integration Delivered

⬡ Growth Infrastructure Ecosystem

Systems Built

SEVEN
SYSTEMS.
ONE VISION.

Not random projects. A complete infrastructure layer — covering data intelligence, revenue operations, communications, talent, HR, partner management, and commerce. Each system solves a distinct business-critical problem at real scale.

01 / FEATURED

↗

🧠

Data Intelligence Platform

Data Enrichment Engine + Chrome Extension

A large-scale data intelligence system built for real-time enrichment and high-accuracy contact discovery. Chrome Extension + enrichment pipeline + analytics dashboard.

ReactNode.jsMongoDBPythonChrome APIs

300M+profiles processed

02

↗

💼

Revenue Systems

Sales & Incentive CRM

Full-scale revenue ops: pipeline tracking, custom incentive engine, built-in call + messaging workflows, automated follow-ups.

Next.jsExpressMySQL

Customincentive engine

03

↗

📊

Communication Intelligence

Call Tracking & Management

Complete call infrastructure: inbound routing, agent assignment, recording, real-time analytics, and campaign-linked conversion tracking.

Node.jsTwilioMongoDB

Real-timecall analytics

04

↗

🎯

Talent Systems

Hiring / Recruitment Platform (ATS)

ATS-grade hiring platform: job postings, applicant pipeline, interview scheduling + scoring, offer lifecycle management.

ReactNode.jsMongoDB

FullATS pipeline

05

↗

🏢

Internal Operations

HRMS System

Centralized company management: attendance, payroll, leave management, employee profiles, performance tracking, org structure.

PHPMySQLReact

500+employees managed

06

↗

🤝

Partner Ecosystem

NHEV Partner Portal

Large-scale partner CRM: 1000+ partners, document workflows + KYC verification, deal tracking, commission systems, multi-role access.

Next.jsMongoDBStripe

1000+partners onboarded

07 / COMMERCE & EXPERIENCE

↗

🛍️

Commerce & Experience

E-Commerce + UI/UX Systems

High-performance e-commerce platforms and conversion-focused design systems. From Figma to development to optimization — full product delivery.

ReactNext.jsTailwind StripeFigmaWebflow

10K+

users

45+

pages shipped

70%

conversion uplift

How I Work

PRODUCT
THINKING.
ENGINEERING
PRECISION.

I don't wait for a PRD. I research, define, build, ship, and optimize. The full loop — every time.

01

Market Research & Problem Definition

Before a single line of code, I map the business problem, competitive landscape, and user pain points. Architecture follows understanding.

02

Architecture & Feature Planning

System design first: data models, API contracts, component hierarchy, scalability constraints. No surprises mid-build.

03

Rapid Development & Iteration

Ship fast, iterate on real data. MERN/PERN or PHP — chosen for fit, not comfort. Ownership at every layer.

04

Deployment, Monitoring & Scale

Cloud deployment, performance tuning, uptime monitoring. The job isn't done at launch — it's done when it's proven at scale.

"Most developers build features. I build the infrastructure that makes businesses run."

— KULDEEP TIWARI · SYSTEMS ENGINEER

7+

Business Platforms Revamped

1000+

Document Processed Securely

99%

System Reliability Delivered

100+

Chrome Extension Users

60%

workflow Optimization Gains

100+

Api Integration Delivered

Technical Stack

TOOLS THAT
BUILD EMPIRES.

⚙️Backend & APIs

5 technologies

Node.jsExpressPHPPythonREST APIs

⚛️Frontend & UI

6 technologies

ReactNext.jsTailwind CSSWebflowFramerWordPress

🗄️Databases

2 technologies

MongoDBMySQL / PostgreSQL

🎨Design & Product

3 technologies

FigmaUI/UX SystemsProduct Strategy

☁️Infrastructure

4 technologies

Cloud DeployServer ConfigGit / CIPerformance Opt.

🔌Integrations

5 platforms

StripePayPalTwilioChrome APIs100+ APIs

Backend Systems95%

React / Next.js93%

API Architecture96%

Database Design89%

UI/UX & Design Systems85%

Product Strategy83%

Performance & Infra88%

Career Timeline

FOUR YEARS.
SEVEN SYSTEMS.
REAL IMPACT.

2024 → Present

ObserveNow AI · On-site · Noida

Product Engineer + Manager

Architected a large-scale data enrichment platform processing 300M+ profiles with 91%+ accuracy, enabling high-precision B2B targeting
Built a Chrome Extension for real-time data extraction with background sync, rate-limiting, and fault-tolerant retry systems
Designed and deployed 100+ high-performance REST APIs handling concurrent production traffic with optimized response times
Developed Call Tracking + Incentive CRM systems with real-time dashboards to streamline sales operations and performance tracking
Owned end-to-end product development: architecture, APIs, frontend, deployment, and scaling

ReactNode.jsMongoDBPythonChrome APIs

2022 → 2024

NHEV · · On-site · Delhi

Technical Lead

Built a scalable Partner Portal CRM managing 1000+ partners, including document workflows and KYC verification systems
Developed 45+ high-converting, optimized landing pages.
Enabled seamless management of 5,000+ application documents, improving processing speed by 60% and reducing manual errors. ( www.nhev.in/loa )
Improved platform performance by 60%, optimizing load times and backend efficiency
Delivered multiple system-level features across CRM, operations, and internal tools

Next.jsPHPMySQLStripePayPal

2021 → 2022

Futurex PR Digital Agency · On-site · Delhi

Full Stack Developer

Delivered 100+ high-converting landing pages with A/B testing and performance-driven design decisions
Built an e-commerce platform scaling to 300+ active users, with seamless payment integrations
Improved onboarding flows, increasing user completion rates by 70%
Fixed bugs and added features across 30+ active web apps.

ReactTailwindFigmaWebflow

2020 → 2021

Primo Group ·On-site · Delhi

Junior Developer

Built strong foundations in PHP/MySQL backend architecture and custom WordPress development
Developed reusable React component libraries for client projects
Integrated REST APIs across 5+ production applications
Designed and developed 4 custom websites with custom CMS, utilizing HTML, CSS, JavaScript, PHP, and MySQL

PHPMySQLWordPressReact

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