Freelancer logo
Log In Sign Up
Post a Project

EXPLORE

Android HTML Mobile App Development PHP Web Security
Profile cover photo
User Avatar

Bhargav G.

@mrresearcher99

verified-v2.svg
4.9
137

7.2

7.2

92%

Highly Recommended | TOP 1% | Verified by FL Staff

$10 USD / Hour

・

Flag of

India (6:39 PM)

・

Joined on December 29, 2015

・

11 Recommendations

$10 USD / Hour

・

I am a full-stack developer with over 10 years of experience, helping businesses, startups, and enterprises build secure, modern, and scalable digital products. Whether you need a mobile app, web platform, fintech solution, automation system, or cybersecurity service, I deliver end-to-end, enterprise-grade solutions tailored to your business goals. I have successfully delivered 195+ projects globally, built 80+ enterprise-level applications, and worked with clients from 12+ countries. I am also a certified GDPR and cybersecurity expert. Every project comes with 100% source code ownership and free bug support. Mobile App and Desktop App Development Native Android (Java, Kotlin) and iOS (Swift, Objective-C) Cross-platform apps using Flutter and React Native Stripe in-person payment integration Android kiosk mode solutions Real-device testing for maximum accuracy Game Development (2D - 3D Game Development) Windows App Development Mac App Development Web Development & Modern Technologies Backend: Laravel, Node.js, Express.js, NestJS, CodeIgniter, Core PHP, Yii, Symfony Frontend: React.js, Next.js, Vue.js, Nuxt.js, Angular, Svelte CMS & eCommerce: Shopify, WooCommerce, Magento, PrestaShop, OpenCart, custom WordPress theme and plugin development, malware removal, speed optimization Additional Expertise APIs: REST, GraphQL, WebSockets, gRPC Cloud & DevOps: Docker, Kubernetes, CI/CD pipelines, AWS, Google Cloud, Azure, DigitalOcean Databases: MySQL, PostgreSQL, MongoDB, Firebase, Redis, DynamoDB Payments: Stripe, PayPal, Razorpay, Square, Braintree, [login to view URL] Security & Authentication: OAuth2, JWT, SSO, MFA, RBAC AI & Machine Learning: NLP, chatbots, recommendation engines, predictive analytics IoT & Automation: Smart device integrations, home automation, industrial IoT solutions Blockchain & Web3: Smart contracts, NFT marketplaces, DApps, DeFi platforms Cloud-Native & Microservices: Scalable architecture, serverless functions Performance & Scalability: Redis, Memcached, load balancing, CDN optimization Testing & QA: Cypress, Jest, Mocha, Postman, Selenium, Appium FinTech & Trading Platforms Stock and crypto trading platforms Real-time market data integrations High-frequency trading APIs Payment gateway and wallet integrations Cybersecurity & Compliance Web and mobile app penetration testing (WAPT) GDPR, HIPAA and ISO27001 consulting Secure code review Vulnerability reports Remote and on-site security audits Industries Serve FinTech Trading AI Automation IoT eCommerce Healthcare SaaS Cybersecurity Web3 & Blockchain Why Clients Trust Me Proven 10+ years of delivery experience Scalable and secure solutions Transparent pricing and timelines Long-term partnership mindset I focus on quality, security, and scalable architecture — no shortcuts, only results. Let’s build your next big project together. Click “Hire Me” and let’s turn your idea into a successful product.

Verifications

On time

94%

On budget

94%

Accept rate

89%

Repeat hire rate

11%

Freelancer PHP Developers India
See all PHP Developers in India

Portfolio

Portfolio

13789562
I developed an AI-powered voice appointment booking assistant designed for businesses like clinics, salons, agencies, and service providers. The system answers real phone calls, communicates in natural language, books appointments, and stores customer details automatically in Google Sheets. Key features include: • AI voice receptionist for inbound calls • Natural conversational flow (human-like voice) • Appointment booking logic with confirmation • Google Sheets integration for CRM • Automatic call ending after booking • Fallback call handling • Scalable for multiple services and businesses This solution reduces manual call handling, saves time, and improves customer experience.

AI Phone Call Assistant Appointment

I developed an AI-powered voice appointment booking assistant designed for businesses like clinics, salons, agencies, and service providers. The system answers real phone calls, communicates in natural language, books appointments, and stores customer details automatically in Google Sheets. Key features include: • AI voice receptionist for inbound calls • Natural conversational flow (human-like voice) • Appointment booking logic with confirmation • Google Sheets integration for CRM • Automatic call ending after booking • Fallback call handling • Scalable for multiple services and businesses This solution reduces manual call handling, saves time, and improves customer experience.

AI Phone Call Assistant Appointment

13197650
We designed and developed a powerful, scalable, and fully responsive HRMS (Human Resource Management System) available as both a web portal and a mobile app (Android & iOS). The system was built to automate and simplify HR operations for a growing company with 500+ employees. The solution included features for HR teams, employees, and management, with a clean UI/UX, real-time updates, and role-based access for each department. Key Features Implemented: - Employee Management Add/edit employee profiles, departments, designations, KYC, and onboarding workflows. - Attendance & Leave Management GPS-based clock-in/out (mobile), biometric integration (web), leave applications, holiday calendar. - Shift & Scheduling System Multi-shift support, roster assignment, and automated reminders. - Payroll & Salary Slip Generation Auto-salary calculation, allowance/deduction rules, tax handling, payslip downloads. - Employee Self-Service App Check-in/out, leave

HRMS Web & Mobile App

13190168
We developed a clean, responsive, and conversion-optimized Shopify eCommerce store for a premium A2 Ghee brand, aiming to establish a strong digital presence and boost online sales across India and global markets. This Shopify store was custom-designed with a focus on organic branding, customer trust, and fast checkout, creating a seamless shopping experience for health-conscious buyers. Key Features Delivered: - Fully customized Shopify theme reflecting the brand’s natural and Ayurvedic essence - 100% mobile-responsive design for smooth shopping on any device - Speed-optimized storefront with compressed assets, lazy loading, and minimal dependencies - Multi-variant product pages for sizes (250ml, 500ml, 1L), subscription, and bulk discounts - Secure checkout integration with Razorpay & Cash on Delivery (COD) - Trust-building sections: customer testimonials, lab test reports, benefits of A2 ghee - WhatsApp chat integration and CTA for easy customer support - SEO-friendly

Elegant & High-Converting Shopify

We developed a clean, responsive, and conversion-optimized Shopify eCommerce store for a premium A2 Ghee brand, aiming to establish a strong digital presence and boost online sales across India and global markets. This Shopify store was custom-designed with a focus on organic branding, customer trust, and fast checkout, creating a seamless shopping experience for health-conscious buyers. Key Features Delivered: - Fully customized Shopify theme reflecting the brand’s natural and Ayurvedic essence - 100% mobile-responsive design for smooth shopping on any device - Speed-optimized storefront with compressed assets, lazy loading, and minimal dependencies - Multi-variant product pages for sizes (250ml, 500ml, 1L), subscription, and bulk discounts - Secure checkout integration with Razorpay & Cash on Delivery (COD) - Trust-building sections: customer testimonials, lab test reports, benefits of A2 ghee - WhatsApp chat integration and CTA for easy customer support - SEO-friendly

Elegant & High-Converting Shopify

We developed a clean, responsive, and conversion-optimized Shopify eCommerce store for a premium A2 Ghee brand, aiming to establish a strong digital presence and boost online sales across India and global markets. This Shopify store was custom-designed with a focus on organic branding, customer trust, and fast checkout, creating a seamless shopping experience for health-conscious buyers. Key Features Delivered: - Fully customized Shopify theme reflecting the brand’s natural and Ayurvedic essence - 100% mobile-responsive design for smooth shopping on any device - Speed-optimized storefront with compressed assets, lazy loading, and minimal dependencies - Multi-variant product pages for sizes (250ml, 500ml, 1L), subscription, and bulk discounts - Secure checkout integration with Razorpay & Cash on Delivery (COD) - Trust-building sections: customer testimonials, lab test reports, benefits of A2 ghee - WhatsApp chat integration and CTA for easy customer support - SEO-friendly

Elegant & High-Converting Shopify

13189995
We delivered a professionally crafted, secure, and responsive website for a fast-growing corporate brand seeking a modern online presence with robust security and flawless performance across all devices. The project was designed with a focus on performance, UX, and cybersecurity best practices, ensuring the platform could serve as a trusted digital gateway for the client’s services and future scalability. Key Features Implemented: - Custom, fully responsive layout using modern UI principles – optimized for mobile, tablet, and desktop. - Advanced security practices including HTTPS, input sanitization, rate limiting, and secure authentication (JWT/2FA). - Lightning-fast performance using image optimization, lazy loading, and server-side caching. - SEO-ready structure with semantic HTML, meta tags, and schema markup. - WAF integration and OWASP Top 10 compliant coding practices. - Admin panel for content management and analytics dashboard. - Multi-language support and accessibili

Enterprise-Grade Secure & Responsive

13188317
We designed and developed a feature-rich Grocery Delivery Application tailored for a local supermarket chain aiming to digitize its daily operations and reach online customers across the city. The application includes a mobile-first interface, real-time product availability, order scheduling, and delivery tracking. Key Features Delivered: - Product browsing & filtering by categories, brands, price, and offers. - Smart cart & order scheduling – Users can choose delivery slots, repeat orders, or save carts. - Mobile-first UI/UX for both Android & iOS (using Flutter). - Secure login/signup with OTP & social login integration. - Real-time inventory management with stock alerts for admin. - Live order tracking with delivery status notifications. -Payment gateway integration – Razorpay, Cash on Delivery, UPI. - Admin & Vendor Panel for adding products, updating inventory, tracking orders & generating reports. - Push Notifications for offers, order status, and delive

Grocery App with Order Tracking

13188271
We developed a comprehensive, mobile-friendly Food Delivery Website for a growing restaurant startup that wanted to offer online food ordering, real-time tracking, and delivery management. The goal was to build a seamless user experience for customers, delivery agents, and administrators. Key Features Implemented: - User-friendly ordering system with categories, search, filters, cart, and real-time availability. - Fully responsive frontend, optimized for both desktop and mobile devices. - Authentication system with user registration, login, and password recovery. - Order management dashboard for customers and an admin panel for restaurant staff. - Live delivery tracking using Google Maps API and real-time order updates. - Multiple payment gateway integration (Razorpay & Stripe). - Auto-assign system for delivery agents and real-time status updates via Socket.io. - Admin panel with product, order, customer, and delivery management. Tech Stack Used: Frontend: React.js + TailwindC

Modern, Responsive Food Delivery Web

13789562
I developed an AI-powered voice appointment booking assistant designed for businesses like clinics, salons, agencies, and service providers. The system answers real phone calls, communicates in natural language, books appointments, and stores customer details automatically in Google Sheets. Key features include: • AI voice receptionist for inbound calls • Natural conversational flow (human-like voice) • Appointment booking logic with confirmation • Google Sheets integration for CRM • Automatic call ending after booking • Fallback call handling • Scalable for multiple services and businesses This solution reduces manual call handling, saves time, and improves customer experience.

AI Phone Call Assistant Appointment

I developed an AI-powered voice appointment booking assistant designed for businesses like clinics, salons, agencies, and service providers. The system answers real phone calls, communicates in natural language, books appointments, and stores customer details automatically in Google Sheets. Key features include: • AI voice receptionist for inbound calls • Natural conversational flow (human-like voice) • Appointment booking logic with confirmation • Google Sheets integration for CRM • Automatic call ending after booking • Fallback call handling • Scalable for multiple services and businesses This solution reduces manual call handling, saves time, and improves customer experience.

AI Phone Call Assistant Appointment

13197650
We designed and developed a powerful, scalable, and fully responsive HRMS (Human Resource Management System) available as both a web portal and a mobile app (Android & iOS). The system was built to automate and simplify HR operations for a growing company with 500+ employees. The solution included features for HR teams, employees, and management, with a clean UI/UX, real-time updates, and role-based access for each department. Key Features Implemented: - Employee Management Add/edit employee profiles, departments, designations, KYC, and onboarding workflows. - Attendance & Leave Management GPS-based clock-in/out (mobile), biometric integration (web), leave applications, holiday calendar. - Shift & Scheduling System Multi-shift support, roster assignment, and automated reminders. - Payroll & Salary Slip Generation Auto-salary calculation, allowance/deduction rules, tax handling, payslip downloads. - Employee Self-Service App Check-in/out, leave

HRMS Web & Mobile App

13190168
We developed a clean, responsive, and conversion-optimized Shopify eCommerce store for a premium A2 Ghee brand, aiming to establish a strong digital presence and boost online sales across India and global markets. This Shopify store was custom-designed with a focus on organic branding, customer trust, and fast checkout, creating a seamless shopping experience for health-conscious buyers. Key Features Delivered: - Fully customized Shopify theme reflecting the brand’s natural and Ayurvedic essence - 100% mobile-responsive design for smooth shopping on any device - Speed-optimized storefront with compressed assets, lazy loading, and minimal dependencies - Multi-variant product pages for sizes (250ml, 500ml, 1L), subscription, and bulk discounts - Secure checkout integration with Razorpay & Cash on Delivery (COD) - Trust-building sections: customer testimonials, lab test reports, benefits of A2 ghee - WhatsApp chat integration and CTA for easy customer support - SEO-friendly

Elegant & High-Converting Shopify

We developed a clean, responsive, and conversion-optimized Shopify eCommerce store for a premium A2 Ghee brand, aiming to establish a strong digital presence and boost online sales across India and global markets. This Shopify store was custom-designed with a focus on organic branding, customer trust, and fast checkout, creating a seamless shopping experience for health-conscious buyers. Key Features Delivered: - Fully customized Shopify theme reflecting the brand’s natural and Ayurvedic essence - 100% mobile-responsive design for smooth shopping on any device - Speed-optimized storefront with compressed assets, lazy loading, and minimal dependencies - Multi-variant product pages for sizes (250ml, 500ml, 1L), subscription, and bulk discounts - Secure checkout integration with Razorpay & Cash on Delivery (COD) - Trust-building sections: customer testimonials, lab test reports, benefits of A2 ghee - WhatsApp chat integration and CTA for easy customer support - SEO-friendly

Elegant & High-Converting Shopify

We developed a clean, responsive, and conversion-optimized Shopify eCommerce store for a premium A2 Ghee brand, aiming to establish a strong digital presence and boost online sales across India and global markets. This Shopify store was custom-designed with a focus on organic branding, customer trust, and fast checkout, creating a seamless shopping experience for health-conscious buyers. Key Features Delivered: - Fully customized Shopify theme reflecting the brand’s natural and Ayurvedic essence - 100% mobile-responsive design for smooth shopping on any device - Speed-optimized storefront with compressed assets, lazy loading, and minimal dependencies - Multi-variant product pages for sizes (250ml, 500ml, 1L), subscription, and bulk discounts - Secure checkout integration with Razorpay & Cash on Delivery (COD) - Trust-building sections: customer testimonials, lab test reports, benefits of A2 ghee - WhatsApp chat integration and CTA for easy customer support - SEO-friendly

Elegant & High-Converting Shopify

13189995
We delivered a professionally crafted, secure, and responsive website for a fast-growing corporate brand seeking a modern online presence with robust security and flawless performance across all devices. The project was designed with a focus on performance, UX, and cybersecurity best practices, ensuring the platform could serve as a trusted digital gateway for the client’s services and future scalability. Key Features Implemented: - Custom, fully responsive layout using modern UI principles – optimized for mobile, tablet, and desktop. - Advanced security practices including HTTPS, input sanitization, rate limiting, and secure authentication (JWT/2FA). - Lightning-fast performance using image optimization, lazy loading, and server-side caching. - SEO-ready structure with semantic HTML, meta tags, and schema markup. - WAF integration and OWASP Top 10 compliant coding practices. - Admin panel for content management and analytics dashboard. - Multi-language support and accessibili

Enterprise-Grade Secure & Responsive

13188317
We designed and developed a feature-rich Grocery Delivery Application tailored for a local supermarket chain aiming to digitize its daily operations and reach online customers across the city. The application includes a mobile-first interface, real-time product availability, order scheduling, and delivery tracking. Key Features Delivered: - Product browsing & filtering by categories, brands, price, and offers. - Smart cart & order scheduling – Users can choose delivery slots, repeat orders, or save carts. - Mobile-first UI/UX for both Android & iOS (using Flutter). - Secure login/signup with OTP & social login integration. - Real-time inventory management with stock alerts for admin. - Live order tracking with delivery status notifications. -Payment gateway integration – Razorpay, Cash on Delivery, UPI. - Admin & Vendor Panel for adding products, updating inventory, tracking orders & generating reports. - Push Notifications for offers, order status, and delive

Grocery App with Order Tracking

13188271
We developed a comprehensive, mobile-friendly Food Delivery Website for a growing restaurant startup that wanted to offer online food ordering, real-time tracking, and delivery management. The goal was to build a seamless user experience for customers, delivery agents, and administrators. Key Features Implemented: - User-friendly ordering system with categories, search, filters, cart, and real-time availability. - Fully responsive frontend, optimized for both desktop and mobile devices. - Authentication system with user registration, login, and password recovery. - Order management dashboard for customers and an admin panel for restaurant staff. - Live delivery tracking using Google Maps API and real-time order updates. - Multiple payment gateway integration (Razorpay & Stripe). - Auto-assign system for delivery agents and real-time status updates via Socket.io. - Admin panel with product, order, customer, and delivery management. Tech Stack Used: Frontend: React.js + TailwindC

Modern, Responsive Food Delivery Web

4.9 · 137 Reviews
Reviews
S
Flag of

Sumit M.

5.0

₹55,000 INR

1 month ago

Sales App Development on Glide

Had a great experience working with Bhargav. The project was a little delayed but our requirements were met thoroughly and they were very professional. I recommend writing ones requirements clearly so that there is not miscommunication or repeated changes again. The end product they made was fantastic and totally solved our work. Will definately be working with them shortly and for our future projects.

PHP
Website Design
Mobile App Development
Android
User Interface / IA

+3 more

Share

User Avatar
Flag of

Douglas P.

5.0

$150 USD

1 month ago

PDF Prefill & Storage Webapp

Nice job. This one was a bit tricky, but he stuck with it and got it all working as per my request. Will continue to work with him on as many projects as he can handle.

PHP
JavaScript
Python
PDF
MySQL

+5 more

Share

User Avatar
Flag of

Nasim N.

5.0

$140 USD

3 months ago

Expert Flutter Developer Needed for Advanced Proxy Integration in Android Browser App

He is very intelligent, he can solve difficult problems.

Mobile App Development
Android
Flutter
VPN

Share

N
Flag of

Noel J.

5.0

$510 CAD

4 months ago

Legacy codebase diagnostic and recommendation report and backend implementation

Bhargav has great communication, team and expertise. The project ended only because I did not need that element of the project any longer.

PHP
Java
Web Security
Mobile App Development
Android

+1 more

Share

P
Flag of

Abhijit P.

5.0

₹15,000 INR

8 months ago

Custom HRMS Mobile App Development

Excellent quality and worked as expected and on time.

PHP
Mobile App Development
Android
Software Architecture
Laravel

Share

Experience

Cybersecurity Consultant & Penetration Testing Expert

Jan, 2015 - Present

•

11 years, 3 months

Remote Service

Jan, 2015 - Present

•

11 years, 3 months

Conducted web and mobile app penetration testing (WAPT) for 50+ enterprises. Delivered detailed vulnerability assessments and on-site security audits. Provided GDPR & HIPAA compliance consulting to global clients. Implemented secure code review processes to reduce vulnerabilities by 90%.

Flag of

Remote, India

Jan, 2015 - Present

•

11 years, 3 months

Senior Mobile App Developer | Cross-Platform & Native Solutions

Jan, 2015 - Present

•

11 years, 3 months

Mobile App Developer

Jan, 2015 - Present

•

11 years, 3 months

Developed 300+ mobile apps for startups, SMEs, and enterprises across FinTech, Healthcare, IoT, eCommerce, and SaaS. Skilled in Android (Java, Kotlin), iOS (Swift, Objective-C), Flutter, and React Native. Integrated real-time tracking, IoT, payments, trading APIs, Web3, and crypto wallets. Delivered secure, scalable, high-performance apps with UAT-tested bug-free deployments on Google Play and App Store.

Flag of

Remote, India

Jan, 2015 - Present

•

11 years, 3 months

Freelance Full-Stack Developer

Jan, 2012 - Present

•

14 years, 3 months

Freelancer

Jan, 2012 - Present

•

14 years, 3 months

Worked with 500+ international clients across FinTech, eCommerce, SaaS, IoT, and Web3. Maintained a 5-star rating and Top 1% developer ranking on multiple platforms. Delivered secure, optimized, and future-ready solutions on time and within budget.

Flag of

Rajkot, India

Jan, 2012 - Present

•

14 years, 3 months

Certifications

PHP - Level 2

PHP

JavaScript - Level 1

JavaScript

Android - Level 1

Android Development

iPhone Development - Level 1

iPhone Development

PHP - Level 1

PHP

UK English - Level 1

UK English

P

Preferred Freelancer Program SLA

Computer Security - Level 1

Computer Security

US English - Level 1

US English

Freelancer logo US (International) / English
Help & Support

Freelancer

Categories Projects Contests Freelancers Enterprise Innovation Challenges AI Development Membership Preferred Freelancer Program Project Management Local Jobs Photo Anywhere Showcase API for Developers Get Verified

About

About us How it Works Security Investor Sitemap Stories News Team Awards Press Releases Careers

Terms

Privacy Policy Terms and Conditions Copyright Policy Code of Conduct Fees and Charges

Partners

Escrow.com Loadshift Warrior Forum

Apps

Apple App Store logoGoogle Play logo

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)