Nikhil Gupta

Full Stack & Mobile Application Engineer
Nikhil Gupta

Summary

Full Stack & Mobile Application Engineer with hands-on experience shipping production-grade web systems and cross-platform iOS/Android applications end-to-end. Specialized in low-latency architectures, event-driven WebSockets, biometric authentication pipelines, and compliant data integrations (ABHA/FinTech). Proven track record of owning features from system architecture and database optimization to high-availability Linux VPS deployment across React.js, Node.js, Flutter, and PHP stacks.

Skills

Languages & Core
JavaScript (ES6+) PHP Dart HTML5 CSS3 SQL
Frontend & Mobile
React.js Next.js Redux Toolkit Tailwind CSS Flutter (Android & iOS)
Backend & APIs
Node.js Express.js PHP (REST APIs) WebSockets Webhooks
Databases & Caching
MySQL MongoDB Redis Schema Optimization Indexing
Cloud & Infrastructure
Linux VPS Admin Nginx PM2 Hostinger VPS cPanel Git/GitHub
Security & Authentication
Google OAuth 2.0 Biometric Auth SMS/Email OTP JWT
Integrations & Tools
OCR Document Verification ABHA API Postman Claude AI Workflows

Experience

Software Engineer  ·  Web Search Console
Apr 2026 – Present
  • Developing and optimizing enterprise PHP/Node.js web services and relational database schemas for high-traffic client applications.
  • Designing REST APIs and automating VPS deployment pipelines, improving release consistency and cutting deployment cycles.
  • Collaborating cross-functionally with product and design teams to ship high-impact client features on schedule.
Backend Developer  ·  Web2Tech Solutions Pvt. Ltd.
Jan 2025 – Mar 2026
  • Built and maintained scalable backend systems for e-commerce platforms, including authentication and order-management workflows, using Core PHP, MySQL, AJAX, and jQuery.
  • Optimized backend logic and database queries, improving application performance and system reliability.
Full Stack Developer  ·  Vision World Mart & Digi Global Web Solutions
May 2023 – Dec 2024
  • Developed full-stack web applications by translating business requirements into scalable, responsive solutions using PHP and MySQL.
  • Collaborated with UI/UX teams to implement optimized user flows and clean interfaces across client projects.

Featured Projects

DRE Homes — Real Estate Web Platform & Mobile App (iOS & Android)
Lead Full-Stack & Mobile Engineer
  • Architected and shipped cross-platform iOS & Android mobile applications along with a dynamic web portal, supporting high-traffic property search and lead ingestion pipelines.
  • Implemented enterprise authentication pipeline: Google OAuth 2.0, biometric/fingerprint login, and SMS/Email OTP verification with automated session handling.
  • Engineered an automated OCR document capture and KYC verification pipeline, reducing manual document review overhead by 70%.
  • Configured high-availability Linux VPS deployment with Nginx reverse proxy, automated SSL, and database query optimization.
Stack — Flutter (Dart) · PHP REST APIs · MySQL · Nginx · Linux VPS
Bazaar Sync — Real-Time Financial Backtesting Engine & Simulator
Enterprise FinTech Prototype / Active Staging
System Architect & Backend Engineer
  • Engineered a high-throughput backtesting and paper trading platform capable of consuming and processing real-time NSE and crypto market ticks.
  • Implemented low-latency WebSockets and a Redis caching layer to stream live multi-strike option-chain data with sub-100ms response time.
  • Built an algorithmic strategy execution engine calculating real-time mark-to-market P&L, maximum drawdown, and order slippage metrics.
  • Optimized MySQL schema and indexing strategies for millisecond historical tick-data retrieval under high market volatility.
Stack — Node.js · Express.js · React.js · WebSockets · Redis · MySQL
Rejuvenate Digital Health — ABHA Healthcare Integration
Full Stack Integration Engineer
  • Integrated India's official ABHA (Ayushman Bharat Health Account) APIs for healthcare profile creation, digital health record verification, and authentication.
  • Designed automated document-processing pipelines with OCR text extraction and automated notification triggers.
  • Enforced token-based authentication and end-to-end data encryption in compliance with strict healthcare data privacy standards.
Stack — Node.js · PHP · React.js · Secure APIs · Document Workflows
Printmont.com — Decoupled E-Commerce System
Full Stack Web Engineer
  • Developed a headless e-commerce platform decoupling a dynamic React.js frontend from a high-throughput PHP REST backend API.
  • Integrated secure multi-gateway payment processing, real-time inventory synchronization, and dynamic cart state management.
  • Streamlined database indexing and asset caching, achieving sub-second page loads and higher checkout conversion.
Stack — React.js · PHP REST APIs · MySQL · Payment Gateways

Education

Master of Computer Applications (MCA)
2024 – 2025
Indira Gandhi National Open University (IGNOU)
Certificate Course in Full Stack Development
2022 – 2023
Aptech Learning, New Delhi
Bachelor of Arts (Honours)
2015 – 2018
University of Delhi

Strengths

Owns features end-to-end — from architecture and API design through mobile/web delivery and VPS deployment.
Builds secure-by-default systems: multi-factor auth, token-based APIs, and compliance-aware data handling.
Strong cross-functional communicator, partnering closely with product, design, and business stakeholders.