You will get Full Stack Developer | MERN Stack | React js | Node JS | MongoDB
Project details
Are you looking for a Full Stack Developer l Node JS l MongoDB l MERN Stack Developer l Express JS | MERN | HTML | CSS | Bootstrap | SaaS? Then contact us. We're a team of MERN experts, Node.js, and MongoDB, We have designed and developed many Web Applications, Custom Websites, and SaaS solutions from scratch using Node.js, and MongoDB. We have great experience in MERN Stack development. We have good expertise in ReduxJS, NodeJS, Firebase, Material UI (MUI), ExpressJS, SaaS Developer, etc.
In MERN development we provide the following services:
• Complete MEAN Stack-based development
• Website Development using Node.js, MongoDB, MERN
• Web Application Development using MERN
• PSD/Xd/Figma design conversion into a responsive website using Redux and Node.js
• APIs development and integration
• Code debugging and optimization for fast-loading
• Mobile responsiveness and cross-browser compatibility.
• SEO-friendly web structure to rank high on Search engines.
• Full-stack website development
• Bug fixings in websites
Full Stack Developer l Node JS l MongoDB l MERN Stack Developer l Express JS | MERN | HTML | CSS | Bootstrap | SaaS
In MERN development we provide the following services:
• Complete MEAN Stack-based development
• Website Development using Node.js, MongoDB, MERN
• Web Application Development using MERN
• PSD/Xd/Figma design conversion into a responsive website using Redux and Node.js
• APIs development and integration
• Code debugging and optimization for fast-loading
• Mobile responsiveness and cross-browser compatibility.
• SEO-friendly web structure to rank high on Search engines.
• Full-stack website development
• Bug fixings in websites
Full Stack Developer l Node JS l MongoDB l MERN Stack Developer l Express JS | MERN | HTML | CSS | Bootstrap | SaaS
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included
| Service Tiers |
Starter
$700
|
Standard
$1,000
|
Advanced
$1,300
|
|---|---|---|---|
| Delivery Time | 2 days | 10 days | 16 days |
Number of Revisions | Unlimited | Unlimited | Unlimited |
Number of Pages | 3 | 7 | 12 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code | - |
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KG
Karissa G.
Jul 14, 2026
Freelance WordPress Security & HIPAA Compliance Consultant
MH
Murtaza Shabbir H.
May 6, 2026
Senior QA Automation Engineer
Kumail delivered robust, scalable test automation with great attention to detail, significantly improving our product quality and release confidence
ZM
Zainab Asghar M.
Apr 9, 2026
Frontend React Developer (TypeScript) for SaaS Event Management Platform
Kumail is a reliable full-stack developer who gets the job done and communicates well throughout the project.
ZM
Zainab Asghar M.
Apr 7, 2026
Cybersecurity Engineer for AI-Driven Platform
Kumail was great to work with. He communicated clearly throughout the project and made sure to understand all the requirements before starting. The work was delivered on time and the quality met expectations. He was also very responsive to feedback and willing to make adjustments when needed. Overall, it was a smooth and positive experience working with Kumail, and I would definitely recommend him to others.
About Kumail
QA Engineer | Manual & Automation | SaaS, Web, Mobile & API Testing
67%
Job Success
Dubai, United Arab Emirates - 3:42 am local time
I’m a QA Engineer and Cybersecurity expert with 100% Job Success Score and 15+ years of experience across SaaS and CRM platforms, mobile applications, POS systems, fintech, healthcare, and e-commerce.
I help web, mobile, and API teams find bugs, vulnerabilities, and usability issues before their users or attackers do.
My approach combines Quality Assurance with security-focused testing. I validate products against requirements, test them through real-user scenarios, and identify functional defects, security weaknesses, payment issues, API problems, and UX friction before they reach production.
On a recent mobile project, I identified 100+ bugs before release, helping the application launch with zero critical issues.
What I Work On:
✅ Manual QA & Functional Testing
I thoroughly test applications across critical user journeys, business requirements, edge cases, and real-world scenarios.
* Manual QA Testing
* Functional Testing
* Regression Testing
* Exploratory Testing
* End-to-End Testing
* Smoke & Sanity Testing
* User Acceptance Testing
* Test Case Design
* Cross-Browser Testing
* Responsive Testing
✅ Playwright Test Automation
I build maintainable automation suites that reduce repetitive manual regression work and help teams release faster.
* Playwright + TypeScript
* JavaScript Test Automation
* End-to-End Automation
* Cucumber / BDD
* Automated Regression Suites
* Cross-Browser Automation
* GitHub Actions CI/CD Integration
* Reusable Test Frameworks
✅ Cybersecurity & Application Security
Modern products need more than functional testing. I help identify security weaknesses and reduce risk across web applications, APIs, networks, and infrastructure.
* Web Application Security Testing
* OWASP Top 10 Assessment & Mitigation
* API Security Testing
* Authentication & Authorization Testing
* Vulnerability Assessment
* Penetration Testing
* Vulnerability Assessment & Penetration Testing (VAPT)
* Security Audits & Risk Analysis
* Access Control Testing
* Security Configuration Review
✅ Network & Infrastructure Security
I help assess infrastructure security and identify weaknesses that could increase exposure to cyber threats.
* Network Security Assessment
* Firewall Security Review
* IDS/IPS Review
* Network Segmentation
* Secure Configuration Review
* Endpoint Security
* Access Control
* Security Hardening
* Infrastructure Risk Assessment
✅ Threat Monitoring & Security Operations
Security requires continuous visibility, not just one-time testing.
* Log Monitoring
* Threat Detection
* Security Event Analysis
* Incident Response Support
* Risk Identification
* Security Policy Development
* Security Best Practices Implementation
* Preventive Security Recommendations
✅ API & Database Testing
I validate APIs, integrations, databases, and backend workflows from both functional and security perspectives.
* Postman API Testing
* REST API Validation
* Endpoint & Response Testing
* API Integration Testing
* Error Handling Validation
* Webhook Testing
* SQL Data Verification
* MySQL & PostgreSQL
* API Security Validation
✅ Mobile App Testing
* iOS Testing via TestFlight
* Android App Testing
* Play Store Closed Testing
* Real Device Testing
* Android Emulator Testing
* Mobile Web Testing
* Cross-Device Testing
* Responsive UI Validation
✅ SaaS, Website & E-Commerce QA
* Registration & Login
* User Onboarding
* Checkout & Shopping Cart
* SaaS Dashboards
* Admin Panels
* Role & Permission Testing
* Subscription Workflows
* CRM Workflows
* E-Commerce User Journeys
✅ UX & Usability Testing
A feature can technically work and still frustrate users. I identify friction that traditional functional testing can miss.
* First-Time User Experience
* Registration & Onboarding Friction
* Checkout & Payment Drop-Off Analysis
* Navigation & Information Clarity
* Error Messages & Empty States
* UI Consistency
* Figma Design Validation
* UX Improvement Recommendations
I don’t just check whether a feature works.
I test whether it works correctly, remains secure, handles real-world scenarios, and delivers a reliable user experience.
If you’re building a web application, mobile app, SaaS platform, API, fintech product, or e-commerce system, I can help you identify bugs, security weaknesses, and UX problems before they impact your users or your business.
Steps for completing your project
After purchasing the project, send requirements so Kumail can start the project.
Delivery time starts when Kumail receives requirements from you.
Kumail works on your project following the steps below.
Revisions may occur after the delivery date.
Step 1
requirement Gathering
Step 2
start work