I will develop your custom ai saas web application

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zlatin_s
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zlatin_s
Zlatin S

Vetted Pro

Level 1

5.0
5.0

Gig Summary

Vetted by Fiverr Pro

Zlatin S was selected by the Fiverr Pro team for their expertise.

About this gig

Turn your AI idea into a production-ready SaaS product.


I develop custom AI SaaS applications from architecture and backend systems to user-facing dashboards, databases, AI integrations, and cloud deployment.


I can build:


  • AI SaaS MVPs and web applications
  • RAG and private knowledge platforms
  • AI chat and customer-support systems
  • Document analysis and data extraction tools
  • AI sales, operations, and analytics platforms
  • AI agents and workflow-driven applications
  • Subscription-based AI products


Technology:

Next.js, React, TypeScript, Python, FastAPI, Node.js, PostgreSQL, Supabase, OpenAI, Claude, Gemini, LangGraph, RAG, pgvector, Stripe, AWS, Docker, and Vercel.


Your application can include authentication, RBAC, dashboards, databases, API integrations, subscriptions, usage limits, admin tools, testing, monitoring, and production deployment.


Have a larger product or startup idea? Message me before ordering so we can define the MVP scope, architecture, milestones, and launch plan.


Get to know Zlatin S

Zlatin S

Vetted Pro

Senior AI and Full Stack Engineer

5.0(18)

Level 1

Zlatin S is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.

Vetted for

  • AI Development

  • FromBulgaria
  • Member sinceAug 2025
  • Avg. response time4 hours
  • Last delivery1 month
  • Languages

    English, Bulgarian
I'm a Senior Full-stack AI engineer with over 10 years of experience so I focus on developing AI-powered SaaS platforms, Web, and Mobile applications. My focus is turning manual processes into scalable systems that save time and increase revenue. I specialize in - AI agents & LLM integrations (RAG, Chatbot, OpenAI, Claude, custom pipelines), - AI-powered SaaS platforms (from backend to UI), - workflow automation (CRM, support, internal tools), - data pipelines and intelligent systems, - Expert in LLM integration, AI agents, Full-stack development, and end-to-end product delivery.

My Portfolio

Reviews

16 reviews for this Gig
5.0

(16)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • G

    gary_h86

    AU

    Australia

    5

    Outstanding work. Zlatin delivered the tenant data model, schema/migrations, error monitoring, and Xero seed script for Milestone 1A-1, and the quality went well beyond what I expected at this stage. The database-level tenant isolation was properly stress-tested, not just implemented — the test suite...

    $800-$1,000

    Price

    6 days

    Duration

    Helpful?
    Yes
    No
  • J

    jeffmihok

    US

    United States

    Ongoing collaboration
    5

    Zlatin did an excellent job bringing our vision to life. The final website is clean, professional, and reflects the functionality and customer experience we were aiming to achieve. He was receptive to feedback, implemented the requested refinements, and delivered a polished final product. I appreciate...

    $1,000-$2,500

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • J

    jeffmihok

    US

    United States

    Ongoing collaboration
    5

    Outstanding experience working with Zlatin. Excellent communication, professionalism, and responsiveness throughout the project. He consistently delivered high-quality work, quickly addressed feedback, and remained flexible as the project evolved. I highly recommend him and look forward to completing the final phase together.

    $1,000-$2,500

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • J

    jeffmihok

    US

    United States

    Ongoing collaboration
    5

    “Outstanding work. Zlatin delivered a clean, modern, and highly user‑friendly platform. The flow is intuitive, the design system is consistent, and everything functions exactly as scoped. Excellent communication and fast turnaround. Highly recommended.”

    $1,000-$2,500

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • A

    ash_usa

    US

    United States

    5

    Zlatin has outstanding experience. He helped us build SensePilot, our AI support and operations assistant for SensePC, and handled the project with strong technical understanding, professionalism, and attention to detail. The work involved AI chatbot flows, knowledge base integration, authenticated user...

    $1,000-$2,500

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
Reviews

16 reviews for this Gig
5.0

(16)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • G

    gary_h86

    AU

    Australia

    5

    Outstanding work. Zlatin delivered the tenant data model, schema/migrations, error monitoring, and Xero seed script for Milestone 1A-1, and the quality went well beyond what I expected at this stage. The database-level tenant isolation was properly stress-tested, not just implemented — the test suite...

    $800-$1,000

    Price

    6 days

    Duration

    Helpful?
    Yes
    No
  • J

    jeffmihok

    US

    United States

    Ongoing collaboration
    5

    Zlatin did an excellent job bringing our vision to life. The final website is clean, professional, and reflects the functionality and customer experience we were aiming to achieve. He was receptive to feedback, implemented the requested refinements, and delivered a polished final product. I appreciate...

    $1,000-$2,500

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • J

    jeffmihok

    US

    United States

    Ongoing collaboration
    5

    Outstanding experience working with Zlatin. Excellent communication, professionalism, and responsiveness throughout the project. He consistently delivered high-quality work, quickly addressed feedback, and remained flexible as the project evolved. I highly recommend him and look forward to completing the final phase together.

    $1,000-$2,500

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • J

    jeffmihok

    US

    United States

    Ongoing collaboration
    5

    “Outstanding work. Zlatin delivered a clean, modern, and highly user‑friendly platform. The flow is intuitive, the design system is consistent, and everything functions exactly as scoped. Excellent communication and fast turnaround. Highly recommended.”

    $1,000-$2,500

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • A

    ash_usa

    US

    United States

    5

    Zlatin has outstanding experience. He helped us build SensePilot, our AI support and operations assistant for SensePC, and handled the project with strong technical understanding, professionalism, and attention to detail. The work involved AI chatbot flows, knowledge base integration, authenticated user...

    $1,000-$2,500

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No