Upwork home
Sign up
Project Catalog
DesignDesign
Video & AudioVideo & Audio
Development & ITDevelopment & IT
MarketingMarketing
Writing & TranslationWriting & Translation
MoreMore

You will get I will build a full stack web or mobile app with secure backend

Ol A.Status: Offline
Ol A.
Preview imagePreview image

Let a pro handle the details

Buy Web Application Programming services from Ol, priced and ready to go.
Ol A.Status: Offline
Ol A.
Preview imagePreview image

Let a pro handle the details

Buy Web Application Programming services from Ol, priced and ready to go.

Project details

I build scalable, high-performance web and mobile apps with full backend and DevOps support. From idea to deployment, I deliver secure, production-ready solutions tailored to your needs.
Programming Languages
JavaScript, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$100
Standard
$300
Advanced
$600
Delivery Time 5 days 10 days 18 days
Number of Revisions
123
Number of Pages
4712
Design Customization
Content Upload
Responsive Design
Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$20 - $50

Frequently asked questions

Ol A.Status: Offline

About Ol

Ol A.Status: Offline
Fullstack developer, Web and Mobile, DevOps Engineer
Ibadan, Nigeria - 6:19 am local time
I’m a full-stack developer who builds scalable, high-performance applications across web and mobile — and ensures they run reliably in production.

I specialize in developing modern applications using Flutter for cross-platform mobile apps, React for responsive web interfaces, and Node.js for robust backend systems. Beyond development, I handle DevOps workflows, including deployment, server configuration, CI/CD pipelines, and cloud infrastructure.

What sets me apart is my ability to handle the entire product lifecycle — from idea to deployment. I don’t just write code; I build systems that are fast, secure, and ready for real-world users.

Here’s what I can help you with:
• Mobile app development (iOS & Android) using Flutter
• Full-stack web development (React, Node.js, Bun.js)
• API design and backend architecture
• Payment integrations (e.g., Paystack, Stripe)
• Deployment & DevOps (Docker, CI/CD, cloud hosting)
• Bug fixing, optimization, and scaling existing systems

I focus on clean architecture, performance, and delivering solutions that actually solve business problems.

If you’re looking for someone who can build and ship your product end-to-end — I’m ready to help.

Steps for completing your project

After purchasing the project, send requirements so Ol can start the project.

Delivery time starts when Ol receives requirements from you.

Ol works on your project following the steps below.

Revisions may occur after the delivery date.

Client submits project requirements

Idea, features, designs, content, API details, hosting info.

Requirement review & clarification

I review everything and clarify any details to ensure a smooth workflow.

Review the work, release payment, and leave feedback to Ol.