You will get a professional full-stack web or cross-platform mobile application

Project details
Stop worrying about which technology to use. Whether you need a high-converting web platform or a sleek mobile app, I provide end-to-end engineering solutions tailored to your business.
As a Computer Science researcher with a background in AI and scalable systems, I don’t just write code—I build products. I specialize in the modern stack, including Flutter, Next.js, and NestJS, ensuring your application is fast, secure, and future-proof.
Why choose this project?
• Multi-Platform Mastery: I build for iOS, Android, and Web with consistent performance using Flutter and Next.js.
• Scalable Backend: My systems are built with NestJS and PostgreSQL to handle complex data and users.
• AI-Driven Capabilities: I can integrate custom NLP models or AI assistants directly into your app based on my research background.
• Clean & Maintainable Code: Following SOLID principles and modular architecture is my standard for all projects.
• Product Mindset: From logistics marketplaces (Transport 245) to AR-based tools (EchoSpace-AR), I understand how to turn complex ideas into user-friendly apps.
Let’s build a powerful, high-performance solution that sets you apart!
As a Computer Science researcher with a background in AI and scalable systems, I don’t just write code—I build products. I specialize in the modern stack, including Flutter, Next.js, and NestJS, ensuring your application is fast, secure, and future-proof.
Why choose this project?
• Multi-Platform Mastery: I build for iOS, Android, and Web with consistent performance using Flutter and Next.js.
• Scalable Backend: My systems are built with NestJS and PostgreSQL to handle complex data and users.
• AI-Driven Capabilities: I can integrate custom NLP models or AI assistants directly into your app based on my research background.
• Clean & Maintainable Code: Following SOLID principles and modular architecture is my standard for all projects.
• Product Mindset: From logistics marketplaces (Transport 245) to AR-based tools (EchoSpace-AR), I understand how to turn complex ideas into user-friendly apps.
Let’s build a powerful, high-performance solution that sets you apart!
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$150
|
Standard
$750
|
Advanced
$1,500
|
|---|---|---|---|
| Delivery Time | 7 days | 14 days | 30 days |
Number of Revisions | 1 | 2 | 4 |
Number of Pages | 4 | 10 | 15 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$100 - $750
Additional Revision
+$80
Additional Page
(+ 2 Days)
+$50Frequently asked questions
About Selman
Full-Stack AI Engineer | NLP, Next.js, Node.js
Istanbul, Turkey - 10:52 am local time
Core Expertise:
- Applied AI & NLP: Text classification, sentiment analysis, recommender systems, and custom LLM/RAG pipelines (PyTorch, Hugging Face, Scikit-learn).
- Backend & API Architecture: Scalable microservices, REST/GraphQL APIs, and robust data pipelines (Node.js, NestJS, Python, PostgreSQL, MongoDB).
- Frontend & Mobile Integration: Building seamless, user-centric interfaces for complex AI features (Next.js, React, Flutter).
Whether you need a sophisticated enterprise question-answering assistant, a recommendation engine, or a full-stack platform built from the ground up, I deliver clean architecture and high-performance solutions. Let's build a smart, scalable product together.
Steps for completing your project
After purchasing the project, send requirements so Selman can start the project.
Delivery time starts when Selman receives requirements from you.
Selman works on your project following the steps below.
Revisions may occur after the delivery date.
Tech Stack Discovery & Consultation
We will discuss your goals and I will select the best technology (Flutter for mobile, Next.js for web, etc.) to ensure long-term scalability.
UI/UX Design & Database Architecture
I design the app's flow and a robust database schema (PostgreSQL/MongoDB) to ensure a smooth user journey and data integrity.










