Freelancer logo
Log In Sign Up
Post a Project

EXPLORE

.NET Data Analysis Data Processing Excel Visual Basic
Profile cover photo
User Avatar

Oluwatobi John O.

@ttobio69

4.3
6

3.0

3.0

100%

✨ ✅Senior Software Developer 💫 Designer✨🔥 🚀

$30 USD / Hour

・

Flag of

Nigeria (9:14 PM)

・

Joined on March 31, 2026

$30 USD / Hour

・

👋 About Me I'm a versatile Web and Mobile App and Game Developer specializing in building modern, scalable, and user-centric digital products. With strong expertise across front-end, back-end, and mobile technologies, I delivers solutions that are both functional and thoughtfully designed. I work reflects a commitment to clean architecture, performance optimization, and seamless user experiences. In addition to software development, I also have experience in AutoCAD and 3D design and modeling using tools such as SolidWorks and 3ds Max, allowing me to contribute to projects that require both technical development and visual design expertise. 🛠️ Skills & Expertise • 🌐 Web Development • 🎮 Game Design, Development • 📱 Mobile App Development • 🧱 @ 2D/3D Design • 💻 Desktop Application • 🏢Architectural Design

Verifications

On time

84%

On budget

84%

Accept rate

87%

Freelancer Excel Experts Nigeria
See all Excel Experts in Nigeria

Portfolio

Portfolio

13868421
I developed this platform end-to-end as a full-stack application, covering both the frontend and backend. I built this website as a full-stack solution, handling the complete development process from UI to backend architecture. I developed this site with full-stack expertise, including the user interface, backend logic, database, and deployment. I delivered this project as a full-stack developer, building both the client-facing experience and the server-side system. I built this platform from the ground up with full-stack development, ensuring seamless integration across frontend and backend.

booking platform-Fresha

I developed this platform end-to-end as a full-stack application, covering both the frontend and backend. I built this website as a full-stack solution, handling the complete development process from UI to backend architecture. I developed this site with full-stack expertise, including the user interface, backend logic, database, and deployment. I delivered this project as a full-stack developer, building both the client-facing experience and the server-side system. I built this platform from the ground up with full-stack development, ensuring seamless integration across frontend and backend.

booking platform-Fresha

I developed this platform end-to-end as a full-stack application, covering both the frontend and backend. I built this website as a full-stack solution, handling the complete development process from UI to backend architecture. I developed this site with full-stack expertise, including the user interface, backend logic, database, and deployment. I delivered this project as a full-stack developer, building both the client-facing experience and the server-side system. I built this platform from the ground up with full-stack development, ensuring seamless integration across frontend and backend.

booking platform-Fresha

13868362
Fit Food Fresh This is an online healthy meal delivery service that provides ready-made, fresh meals to customers. ? Key points: ? Healthy prepared meals: Offers a variety of meal plans like keto, paleo, vegan, and low-calorie options. ? Home delivery: Meals are cooked fresh and delivered directly to your home or office (mainly across Florida). ? Fresh ingredients: Uses locally sourced and high-quality ingredients for better nutrition and taste. ? Flexible ordering: No long-term contracts—you can order weekly and customize your meals. ⚖️ Health-focused: Meals are portion-controlled and designed to support a healthy lifestyle.

Fit Food Fresh

Fit Food Fresh This is an online healthy meal delivery service that provides ready-made, fresh meals to customers. ? Key points: ? Healthy prepared meals: Offers a variety of meal plans like keto, paleo, vegan, and low-calorie options. ? Home delivery: Meals are cooked fresh and delivered directly to your home or office (mainly across Florida). ? Fresh ingredients: Uses locally sourced and high-quality ingredients for better nutrition and taste. ? Flexible ordering: No long-term contracts—you can order weekly and customize your meals. ⚖️ Health-focused: Meals are portion-controlled and designed to support a healthy lifestyle.

Fit Food Fresh

13864465
Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

13864439
I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

13864420
https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

13862604
Secure, user-friendly online stores. ? Frontend Technologies ● React.js, Vue.js, Angular – Dynamic, component-based UIs. ● HTML5, CSS3, Sass, PWA, Bootstrap, Tailwind CSS – Modern, responsive styling. ? Backend Technologies ● Node.js + Express.js – Fast, scalable server-side logic. ● Serverless Architecture – AWS Lambda, Azure Functions for scalability.

My full-stack projects

13868421
I developed this platform end-to-end as a full-stack application, covering both the frontend and backend. I built this website as a full-stack solution, handling the complete development process from UI to backend architecture. I developed this site with full-stack expertise, including the user interface, backend logic, database, and deployment. I delivered this project as a full-stack developer, building both the client-facing experience and the server-side system. I built this platform from the ground up with full-stack development, ensuring seamless integration across frontend and backend.

booking platform-Fresha

I developed this platform end-to-end as a full-stack application, covering both the frontend and backend. I built this website as a full-stack solution, handling the complete development process from UI to backend architecture. I developed this site with full-stack expertise, including the user interface, backend logic, database, and deployment. I delivered this project as a full-stack developer, building both the client-facing experience and the server-side system. I built this platform from the ground up with full-stack development, ensuring seamless integration across frontend and backend.

booking platform-Fresha

I developed this platform end-to-end as a full-stack application, covering both the frontend and backend. I built this website as a full-stack solution, handling the complete development process from UI to backend architecture. I developed this site with full-stack expertise, including the user interface, backend logic, database, and deployment. I delivered this project as a full-stack developer, building both the client-facing experience and the server-side system. I built this platform from the ground up with full-stack development, ensuring seamless integration across frontend and backend.

booking platform-Fresha

13868362
Fit Food Fresh This is an online healthy meal delivery service that provides ready-made, fresh meals to customers. ? Key points: ? Healthy prepared meals: Offers a variety of meal plans like keto, paleo, vegan, and low-calorie options. ? Home delivery: Meals are cooked fresh and delivered directly to your home or office (mainly across Florida). ? Fresh ingredients: Uses locally sourced and high-quality ingredients for better nutrition and taste. ? Flexible ordering: No long-term contracts—you can order weekly and customize your meals. ⚖️ Health-focused: Meals are portion-controlled and designed to support a healthy lifestyle.

Fit Food Fresh

Fit Food Fresh This is an online healthy meal delivery service that provides ready-made, fresh meals to customers. ? Key points: ? Healthy prepared meals: Offers a variety of meal plans like keto, paleo, vegan, and low-calorie options. ? Home delivery: Meals are cooked fresh and delivered directly to your home or office (mainly across Florida). ? Fresh ingredients: Uses locally sourced and high-quality ingredients for better nutrition and taste. ? Flexible ordering: No long-term contracts—you can order weekly and customize your meals. ⚖️ Health-focused: Meals are portion-controlled and designed to support a healthy lifestyle.

Fit Food Fresh

13864465
Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

Simple Mechanical Pump Design This portfolio item showcases a design for a basic mechanical pump. The focus is on clarity and functionality, making it ideal for applications where reliability and ease of use are paramount. Key features: Simple design: Minimized components for increased reliability and easier maintenance. Detailed illustrations: Clear visuals to effectively communicate the pump's construction and operation. Material selection guide: Recommendations for appropriate materials based on intended use and fluid properties (if applicable). Scalability considerations: Discussion on how the design can be adapted for different flow rate and pressure requirements.

A simple Mechanical Design of Pump

13864439
I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

I developed this mobile application using Flutter, and NodeJS etc at the backend. This trip-booking application provides accessibility for the user to book their trips to all the available destinations. It has a custom calendar integrated where they can select between the dates of the travel. It has smooth UI/UX for the processes with speedy APIs supplying the data all along. This application also poses to have an admin panel for the user, payments, and content management. Key features involve: - User Profiles - Booking System - Calendar - Checkout - Push Notifications

Mobile App Development

13864420
https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

https://gamerbuild.co/ Here you can check some of our games projects published by us just for reference in quality, they're not for commercial usage

Game Development

13862604
Secure, user-friendly online stores. ? Frontend Technologies ● React.js, Vue.js, Angular – Dynamic, component-based UIs. ● HTML5, CSS3, Sass, PWA, Bootstrap, Tailwind CSS – Modern, responsive styling. ? Backend Technologies ● Node.js + Express.js – Fast, scalable server-side logic. ● Serverless Architecture – AWS Lambda, Azure Functions for scalability.

My full-stack projects

4.3 · 6 Reviews
6 Reviews
User Avatar
Flag of

Dario M.

1.0

€25 EUR

25 days ago

Java Method Refactor & JUnit

bad worker with 0 professionalism and communication skill, just using ai for doing task, an incompetend as many others

Java
JavaScript
JavaFX
Software Architecture
Software Testing

+3 more

Share

M
Flag of

Mk A.

5.0

₹4,000 INR

1 month ago

Python Developer for Options Trading

Superb knowledge and very kind person to adapt the requirements

Python
Software Architecture
Statistics
Machine Learning (ML)
Financial Analysis

+3 more

Share

B
Flag of

Badar K.

5.0

₹3,000 INR

1 month ago

Vedic Astrology Excel Workbook

Wonderful and VERY SKILLED person to work with. Understands the project requirements very clearly and works with great effiency. Goes out of his way to help if need. Worth the time and every penny ! Would love to work with him again!!

Visual Basic
Data Processing
Excel
Visual Basic for Apps
Excel VBA

+4 more

Share

User Avatar
Flag of

Heidar H.

5.0

$60 USD

1 month ago

ZKTeco SDK C# Setup Assistance

Happy with his work Done a good job Recommend him for anyjob he bids on

C Programming
.NET
C# Programming
C++ Programming
Debugging

+1 more

Share

A
Flag of

Anurag S.

5.0

₹1,500 INR

1 month ago

Excel Order Tracking Automation

Amazing work and delivered on time.

Visual Basic
Data Processing
Excel
Visual Basic for Apps
Excel VBA

+3 more

Share

Education

University of Port Harcourt

2014 - 2019

•

5 years

Bacholer's degree

Flag of

Nigeria

2014 - 2019

•

5 years

Certifications

P

Preferred Freelancer Program SLA

Freelancer logo US (International) / English
Help & Support

Freelancer

Categories Projects Contests Freelancers Enterprise Innovation Challenges AI Development Membership Preferred Freelancer Program Project Management Local Jobs Photo Anywhere Showcase API for Developers Get Verified

About

About us How it Works Security Investor Sitemap Stories News Team Awards Press Releases Careers

Terms

Privacy Policy Terms and Conditions Copyright Policy Code of Conduct Fees and Charges

Partners

Escrow.com Loadshift Warrior Forum

Apps

Apple App Store logoGoogle Play logo

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)