Frontend Developer
Mobile Developer
UI/UX Enthusiast

Jeff Mbai

Crafting exceptional digital experiences with modern frontend and mobile technologies

Frontend
Mobile
Backend
Database

About Me

I'm a passionate Software Engineer specializing in frontend and mobile development. With expertise in React, React Native, TypeScript, and Next.js, I build responsive, performant, and visually appealing applications that deliver exceptional user experiences.

My Journey

With over 5 years of experience in software development, I've worked on a diverse range of projects from mobile apps to web platforms.

I'm passionate about creating intuitive user interfaces and seamless experiences that solve real-world problems.

My expertise spans across frontend and mobile development, with a strong focus on React, React Native, and modern JavaScript frameworks.

What I Do

  • Develop responsive and interactive web applications
  • Create cross-platform mobile apps for iOS and Android
  • Design intuitive user interfaces and experiences
  • Integrate with backend services and APIs
  • Optimize performance and user experience

My Approach

I believe in writing clean, maintainable code that scales with your business needs.

User-centered design principles guide my development process, ensuring that the end product is not just functional but also delightful to use.

I stay updated with the latest industry trends and best practices to deliver cutting-edge solutions.

Frontend

Building responsive and interactive user interfaces with React, Next.js, and TypeScript.

Mobile

Developing cross-platform mobile applications with React Native and Expo for iOS and Android.

Backend

Creating robust backend services with Flask, .NET, and C# to power applications.

Database & Cloud

Working with Firebase, MongoDB, Supabase, and Azure for data storage and cloud services.

API Integration

Connecting applications with third-party services and RESTful APIs for enhanced functionality.

DevOps

Implementing CI/CD pipelines and deployment strategies for efficient software delivery.

Skills & Expertise

My technical toolkit includes a wide range of modern technologies for building web and mobile applications.

React95%
TypeScript95%
Next.js90%
Tailwind CSS95%
HTML5/CSS395%
JavaScript95%

My Projects

Explore my portfolio of mobile and web applications, showcasing my expertise in frontend development, API integration, and cloud services.

iPAS
Mobile

iPAS

Cross-platform mobile application for pensions management, remittance and monitoring with interactive UI where users can follow through their pension

React Native
MSSQL
C#
.NET
CoinCurios
Mobile

CoinCurios

Coin Curios transforms financial learning into an exciting adventure! Designed specifically for children ages 10 and up, our app makes money management fun through colorful interfaces, engaging activities, and kid-friendly content

React Native
Tailwind
TypeScript
Firebase
Expo
eMEL
Mobile

eMEL

Mobile Application for the project monitoring and evaluation software. Developed using React Native, Microsoft identity and Expo. We extended the web functionalities to the mobile application

React Native
Firebase
Azure AD
Expo
TopMarine
Mobile

TopMarine

Top Marine is mobile app developed using React Native, C#, Expo and Microsoft identity. It is a shipping logistics tracking application where shippers can track their shipment logistics from where they're boarded to offloading.

React Native
Firebase
.NET
C#
Expo
iBusiness
Mobile

iBusiness

IBusiness is mobile appliation for the accounting saas to enhance ease of use. We leveraged on React Native, Microsoft Identity, Expo and Firebase to integrate the key accounting saas processes. The app was integrated with offline awareness to enable all time access

React Native
Firebase
Azure
Expo
C#
.NET
iComms
Mobile

iComms

IComms is an mobile application geared towards enhancing business and county administrative operations for key business and government agencies.

React Native
Firebase
.NET
C#
Expo
Infinity
WebApp

Infinity

This project is a web-based automated financial tool designed to help investors using Trading 212 make smarter investment decisions, particularly around portfolio analysis and dividend reinvestment. The system scans the user's portfolio and the wider market to identify undervalued stocks with strong fundamentals, then recommends optimal reinvestment strategies for dividends received.

React
NextJS
Tailwind
MongoDB
CI/CD
Project Management Platform
WebApp

Project Management Platform

Developed a comprehensive Project Monitoring and Evaluation software using C#, .NET, React, MSSQL Server, Docker, Azure, and Git. This solution facilitated real-time tracking of project activities, advanced data visualization for better insights

React
.Net
C#
Express
MsSQL
Docker
Azure
DevOps
Saas Accounting Software
WebApp

Saas Accounting Software

Developed saas accounting software which included key business processes from procurement, inventory management, order to cash and general accounting principles. Leveraged on C#, React, Docker, Azure, Microsoft Identity and .NET

React
.Net
C#
Express
MsSQL
Docker
Azure
DevOps
Top Marine
WebApp

Top Marine

Developed a comprehensive shipping and logistics shipment software using C#, .NET, React, MsSQL, Docker, Azure, and DevOps. The web app allows users to track their shipments from when they are loaded to when they're offloaded.

React
.Net
C#
Express
MsSQL
Docker
Azure
DevOps
Digital Scanner
WebApp

Digital Scanner

Developed a Pneumonia Detection Web Application utilizing Flask, Python, Git, and React. Integrated machine learning algorithms to accurately identify pneumonia from chest X-ray images.

React
Flask
Firebase
Git
Python
Tensorflow
Tivui
WebApp

Tivui

Developed a robust Multivendor E-commerce platform tailored for the sale of furniture and home decor items. Leveraged Flask, React and MySQL to provide seamless functionality for both buyers and sellers

React
Flask
Firebase
MongoDB
Property Control 360
Website

Property Control 360

Property Control 360 is a property management system that allows property owners to manage their properties, tenants, and payments. The system is integrated with MPESA payment and tenants can pay rent online.

WordPress
MySQL
PHP
The Covenant of Grace
Website

The Covenant of Grace

The Covenant of Grace is a church website that allows the church to post sermons, events, and blogs. The website is integrated with payment and church members can contribute donations for church projects.

WordPress
MySQL
PHP
Esco Bar Mobile Catering
Website

Esco Bar Mobile Catering

Website for Esco Bar for ordering of mobile bar catering services for their events

WordPress
MySQL
PHP
Centre for Suicide Research and Prevention
Website

Centre for Suicide Research and Prevention

Website to help victims of suicide to get help, prevent recurring suicidal thoughts and organize events to create awareness

WordPress
MySQL
PHP

Get In Touch

Have a project in mind or want to discuss potential opportunities? Feel free to reach out!

Email

jeffkinuthia254@gmail.com

Phone

+254111983314

Location

Nairobi, Kenya

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