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English
$
USD
I will be full stack ai developer, saas web app, reactjs, vapt, app security, vapt,sast
DevSec Zone
Level 1
5.0
5.0
Gig Summary
About this gig
DevSec Zone A full-stack web development, AI & application security team specializing in modern, secure digital products.
With 6+ years of experience, we build custom websites, web apps, SaaS platforms, AI-powered solutions, and secure applications for businesses and startups.
WHAT WE BUILD
- ReactJS & Next.js web applications
- NodeJS & ExpressJS backend development
- AI-powered apps & chatbots
- SaaS platforms & dashboards
- MongoDB & database integration
- REST & third-party API integration
- Authentication, authorization & payments
- Bug fixing & existing app improvements
SECURITY & GRC
- VAPT, penetration testing & vulnerability assessment
- API & application security testing
- ISO 27001, NIST CSF/RMF, SOC 2 & PCI DSS
- Gap Analysis & Certification Readiness
- ISMS documentation & security policies
- Risk Assessments & Risk Registers
- CIS Benchmark hardening reviews
WHY CLIENTS CHOOSE US
- 6+ years of development experience
- Custom, scalable & maintainable solutions
- Security-conscious engineering
- Full development, testing & deployment support
Requirement -> Design -> Development -> Security Testing -> Deployment
Lets turn your idea into a powerful, secure and production-ready web application.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know DevSec Zone
DevSec Zone
Full Stack, Mobile App, React Native, Reactjs, Cybersecurity, App Security
Level 1
- FromPakistan
- Member sinceFeb 2020
- Avg. response time1 hour
- Last delivery3 weeks
Languages
Urdu, English, German
⚙️ 6+ Years Experience | React Native & React Developer | Cybersecurity
Hi, I’m Zain ul Abdin, founder of DevSec Zone. I specialize in React Native iOS/Android, React/Next.js, Node.js, MERN, Firebase, APIs, Stripe and scalable full-stack solutions.
🔐 Security-first development includes VAPT, penetration testing, API & application security, vulnerability assessments, secure architecture, ISO 27001, NIST CSF/RMF, SOC 2 & PCI DSS readiness, risk assessments, ISMS documentation and compliance gap analysis.
I deliver secure, scalable products from development to deployment and support.
My Portfolio
FAQ
What full-stack development services do you offer?
We provide full-stack web development using ReactJS, Next.js, Node.js, Express.js, MongoDB, REST APIs, authentication, payment integration, dashboards, and custom features.
Can you build a SaaS web application from scratch?
Yes. We can build a custom SaaS application from frontend and backend development to database integration, authentication, APIs, testing, and deployment.
Do you develop AI-powered web applications?
Yes. We develop AI web applications, AI chatbots, AI assistants, API integrations, and custom AI-powered features based on your requirements.
Can you work on an existing web application?
Absolutely. We can fix bugs, add new features, improve performance, integrate APIs, and optimize existing React, Next.js, Node.js, or SaaS applications.
How do we get started?
Send us your requirements, features, design, or project idea. We'll review them and recommend the best full-stack development or AI solution for your project.
What information security services do you provide?
I provide Information Security, GRC, cybersecurity, risk management, compliance, security assessments, policy development, and security audit support aligned with ISO 27001, SOC 2, NIST, and CISM best practices.
Do you provide GRC services?
Yes. I provide Governance, Risk & Compliance (GRC) services, including risk assessments, control mapping, compliance documentation, security policies, and risk registers.
Can you help prepare my company for a security audit?
Yes. I can perform a security gap assessment, identify compliance gaps, organize documentation and evidence, and provide a practical remediation roadmap.
Reviews
83 reviews for this Gig
| (77) | ||
| (3) | ||
| (0) | ||
| (2) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S 
suzannederksen
Indonesia
Ongoing collaborationThank you for another great delivery!
$50
Price
1 day
Duration
B 
Seller's Response
Helpful?S suzannederksen
Indonesia
Ongoing collaborationGreat working again with Zain!
$50
Price
5 days
Duration
B Seller's Response
Helpful?S seficohen
United States
Ongoing collaborationI'm really satisfied with his work. Always professional and if something is not clear he asks. Delivery always on time. Very efficient and it's great working with him.
$100-$200
Price
7 days
Duration
B Seller's Response
Helpful?A alivia_jonna
United States
Zain was a pleasure to work with. They were professional, responsive, and delivered exactly what I needed. Highly recommend for Wix website design.
$50
Price
1 day
Duration
B Seller's Response
Helpful?N 
ni3l555
Belgium
Ongoing collaborationVery good quality and exactly like I asked. Fair price and good communication overall.
$50-$100
Price
B Seller's Response
Helpful?
Reviews
83 reviews for this Gig
| (77) | ||
| (3) | ||
| (0) | ||
| (2) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S suzannederksen
Indonesia
Ongoing collaborationThank you for another great delivery!
$50
Price
1 day
Duration
B Seller's Response
Helpful?S suzannederksen
Indonesia
Ongoing collaborationGreat working again with Zain!
$50
Price
5 days
Duration
B Seller's Response
Helpful?S seficohen
United States
Ongoing collaborationI'm really satisfied with his work. Always professional and if something is not clear he asks. Delivery always on time. Very efficient and it's great working with him.
$100-$200
Price
7 days
Duration
B Seller's Response
Helpful?A alivia_jonna
United States
Zain was a pleasure to work with. They were professional, responsive, and delivered exactly what I needed. Highly recommend for Wix website design.
$50
Price
1 day
Duration
B Seller's Response
Helpful?N ni3l555
Belgium
Ongoing collaborationVery good quality and exactly like I asked. Fair price and good communication overall.
$50-$100
Price
B Seller's Response
Helpful?
