You will get a fully functional AI SaaS web application or mobile app.
Rising Talent
Rising Talent
Project details
I don't just connect AI APIs; I build fully functional, production-ready AI SaaS businesses. What truly sets this project apart is the premium quality at a highly competitive MVP rate. While other developers charge extra for full ownership, I deliver complete, clean source code across all pricing tiers from day one. Combined with my strong background in full-stack development and automation, you will get a scalable, secure, and mobile-responsive platform tailored to turn your vision into a profitable reality—fast and efficiently.
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$450
|
Standard
$1,500
|
Advanced
$3,450
|
|---|---|---|---|
| Delivery Time | 7 days | 18 days | 30 days |
Number of Revisions | 2 | 3 | 5 |
Number of Pages | 1 | 10 | |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150 - $500
Additional Revision
+$100Frequently asked questions
1 review
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AI
Ali I.
Jul 16, 2026
M3 Part B
Exceptional, world-class engineering execution from start to finish! Jinhyuk J. is an elite full-stack developer who operates with supreme technical clarity, absolute data architecture sovereignty, and incredible professional velocity.
Throughout this project, he seamlessly built our core conversational companion pipeline, deployed an exquisite, premium Obsidian UI frontend client, and beautifully calibrated a multi-tier cultural persona model with complex emotional constraints—all while adhering strictly to top-tier security standards by isolating credentials natively using environment variables.
Furthermore, his proactiveness in delivering a fully integrated, commercial-ready automated payment loop and hosted checkout interface goes far beyond expectations. Communication was flawless, development sprints were highly organized, and the end product operates with incredible stability. I highly recommend his services to any global firm looking for elite-tier software systems. Brilliant job, partner!
Throughout this project, he seamlessly built our core conversational companion pipeline, deployed an exquisite, premium Obsidian UI frontend client, and beautifully calibrated a multi-tier cultural persona model with complex emotional constraints—all while adhering strictly to top-tier security standards by isolating credentials natively using environment variables.
Furthermore, his proactiveness in delivering a fully integrated, commercial-ready automated payment loop and hosted checkout interface goes far beyond expectations. Communication was flawless, development sprints were highly organized, and the end product operates with incredible stability. I highly recommend his services to any global firm looking for elite-tier software systems. Brilliant job, partner!
About Jinhyuk
Full-stack Developer
Seoul, South Korea - 11:30 am local time
Mastery of Modern Tech Stack:
Backend Engineering & AI Microservices: Expert-level proficiency in designing and scaling backends with Python (FastAPI, Flask, Django) and Node.js. I have extensive experience building and integrating complex AI/ML models and APIs into production environments.
Cross-Platform Mobile Development: Proven track record in developing and publishing robust, native-feeling mobile applications for both iOS and Android using React Native and TypeScript.
Frontend Engineering: Deep knowledge of modern JavaScript, TypeScript, HTML5, and CSS3 for creating responsive, dynamic, and engaging user interfaces.
Database Architecture & Optimization: Highly skilled in relational database design, performance tuning, and managing complex data operations with PostgreSQL and MySQL.
Cloud Infrastructure & DevOps: Proficient in full application lifecycle management, from deployment and monitoring to scaling, using Amazon Web Services (AWS) and Google Cloud Platform (GCP).
I don't just code. I deliver end-to-end, market-ready products. My approach is defined by ownership, precision, and a commitment to exceeding technical expectations.
Steps for completing your project
After purchasing the project, send requirements so Jinhyuk can start the project.
Delivery time starts when Jinhyuk receives requirements from you.
Jinhyuk works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Wireframing
We will discuss your vision, map out user flows, define the database structure, and confirm the AI API prompt strategies.
Core Web/App Development
I will design the user interface, set up secure user authentication, integrate the database, and connect the core AI functionalities.