You will get Full-Stack MVP Development (Next.js & FastAPI/Node.js)
Project details
Looking for a secure, scalable MVP built for real traffic and revenue—not just a demo that works in a local environment? As a full-stack engineer with 5 years of professional experience, I specialize in building robust, production-grade applications from scratch. I build fast, responsive user interfaces using React and Next.js, backed by highly performant, type-safe API backends built with Node.js (Express/NestJS) or Python (FastAPI). Every MVP I deliver focuses on clean code structure, data integrity, and modular architecture, ensuring your application can easily scale as your user base and business requirements grow. Let's launch a high-converting product.
Programming Languages
HTML & CSS, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$50
|
Standard
$100
|
Advanced
$200
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 3 | 4 | 5 |
Number of Pages | 3 | 5 | 7 |
Design Customization | - | ||
Content Upload | - | - | |
Responsive Design | |||
Source Code | - | - |
About Courteous
Full-Stack Developer | React, Node.js, PostgreSQL | MVP & SaaS
Ondo, Nigeria - 12:22 am local time
I'm a results-driven Full-Stack Engineer with a proven track record architecting secure, high-performance web and mobile ecosystems using React, Next.js, Node.js, Express.js, and NestJS — paired with Python (Django, FastAPI) and PostgreSQL for scalable backend systems and clean, well-documented REST API development. I bridge complex backend architecture with seamless, high-converting user experiences, whether the goal is an MVP built from scratch or scaling an existing SaaS platform under heavy load.
What I Bring to Your Project
Frontend Development: Fast, responsive UIs with React, Next.js, and React Native, using modern state management (Redux/Zustand) optimized for performance and UX.
Scalable Backend & API Engineering: Secure, RESTful API development and server-side architecture with Node.js, Express.js, NestJS, and Python (Django/FastAPI) — backed by Redis and BullMQ for caching and high-throughput message queues.
Database & DevOps Infrastructure: Schema design, query optimization, and data integrity across PostgreSQL, MySQL, and MongoDB, deployed in isolated Docker environments on AWS for reliable, repeatable infrastructure.
Real-Time & AI Integration: WebSocket-based live tracking/chat systems and OpenAI API integration for intelligent, automated product features.
Proven Results From My Recent Work
SaaS Engineering: Engineered a secure, high-concurrency Computer-Based Testing platform using NestJS and Redis-BullMQ caching, achieving zero exam data loss and real-time session recovery over unstable networks.
AI & Engagement Integration: Built an AI-driven student learning ecosystem processing 3,000+ real-time chatbot queries and generating 2,000+ flashcards, driving a 40% increase in active user engagement.
Business Automation: Delivered a full-stack school broadsheet system that cut report generation time by 95% and eliminated manual grading errors entirely.
FinTech & Scale: Built a custom banking application supporting 1,000+ active accounts at 99.9% uptime, cutting processing times by 70%.
Whether you need an MVP delivered on a fixed-price, milestone-based timeline, an existing product scaled, or a sluggish backend optimized, I write clean, tested, secure code and work seamlessly with distributed, async teams to deliver measurable ROI. Let's hop on a call to talk through your project.
Steps for completing your project
After purchasing the project, send requirements so Courteous can start the project.
Delivery time starts when Courteous receives requirements from you.
Courteous works on your project following the steps below.
Revisions may occur after the delivery date.
See the project details and understand the project