Jesupelumi Adetunji, Developer in Lagos, Nigeria
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Jesupelumi Adetunji

Verified Expert  in Engineering

Software Developer

Lagos, Nigeria

Toptal member since November 3, 2020

Bio

Jesupelumi is a front-end and mobile developer with expert-level skills in React, Angular, Vue, and Flutter. He developed a web application using cutting-edge technology for Oceaneering, a top firm in marine engineering. Jesupelumi has worked with a range of clients across industries from marine engineering, energy, education, and telemedicine in supervisory and development roles. He is consistent, flexible, and enjoys seeing his products used to help people.

Portfolio

MobilSense Technologies, Inc.
React, Angular, HTML, CSS, APIs, jQuery, API Integration, REST APIs, Bootstrap
Veritic Solutions
Angular, Auth0, NGXS, Front-end, Responsive UI, API Integration, REST APIs...
Freelance
iOS, Android, Flutter, Git, Zustand, API Integration, REST APIs

Experience

  • JavaScript - 8 years
  • React - 8 years
  • HTML - 5 years
  • Vue - 5 years
  • Redux - 5 years
  • CSS - 5 years
  • Flutter - 4 years
  • Angular - 3 years

Availability

Part-time

Preferred Environment

Visual Studio Code (VS Code), Visual Studio, Slack, Windows, MacOS

The most amazing...

...web application I've worked on was OMV, using cutting-edge technology for Oceaneering, a top firm in marine engineering.

Work Experience

Senior Front-end Developer

2022 - 2023
MobilSense Technologies, Inc.
  • Tracked and fixed bugs using Jira as a reporting tool.
  • Converted certain code written in AngularJS to React.
  • Managed payment integration on the app with Stripe.
Technologies: React, Angular, HTML, CSS, APIs, jQuery, API Integration, REST APIs, Bootstrap

Front-end Developer

2020 - 2021
Veritic Solutions
  • Added security to the application using Auth0's SDK with login and signup components and authorization within the application.
  • Designed a forecast page using AntDesign's components based on data from the back end.
  • Embellished existing pages with better component structure and styles, including several tables and progress cards.
Technologies: Angular, Auth0, NGXS, Front-end, Responsive UI, API Integration, REST APIs, Bootstrap

Mobile Developer

2020 - 2020
Freelance
  • Developed a Flutter app that manages the activities of freight carriers, including their trucks, drivers, requests, and trips.
  • Implemented BLoC pattern for state management within the app.
  • Implemented a feature for downloading, uploading, and viewing documents and images.
Technologies: iOS, Android, Flutter, Git, Zustand, API Integration, REST APIs

Front-end Developer

2020 - 2020
Freelance
  • Developed an app that allows the admin to manage the activities of freight carriages.
  • Constructed an app that allows users to book and request the movement of goods from one state to another in Nigeria.
  • Implemented state management using Redux and Redux Thunk as middleware to pass data between modules.
  • Tracked and fixed bugs using Azure DevOps as a reporting tool.
Technologies: Material Design, HTML, CSS, Chart.js, Axios, Redux, React, JavaScript, TypeScript, Responsive Coding, Git, Front-end, SaaS, Next.js, Tailwind CSS, API Integration, Express.js, REST APIs, Bootstrap

Mobile Developer

2017 - 2020
Eminent Technology
  • Developed a telemedicine app using Flutter, which enables patients to receive consultation via video or voice calls and is used by various health centers and hospitals.
  • Built an app with Xamarin.Forms that helps reunify students and their guardians during emergencies in the US.
  • Constructed an app using Xamarin.Forms that allows users to make donations to charity organizations and religious centers. The app included scheduling and the ability to make recurring donations.
  • Oversaw major enhancements to the Second Baptist Church app that helps Bible study leaders manage their study sessions.
Technologies: iOS, Android, Push Notifications, Twilio, Firebase, Dart, Flutter, Git, API Integration, REST APIs

Lead Front-end Developer

2016 - 2020
Eminent Technology
  • Developed a web media library that provides a collaborative platform for video calls, annotation, and chat using Angular, NGXS, and Twilio SDK.
  • Created jobs using Azure Batch Service to run tasks, such as optical character recognition (OCR) and conversion of speech to text.
  • Handled image, video, and document uploads to Azure Blob Storage.
  • Developed a desktop application for uploading large files to Azure Blob Storage to pause and cancel using Electron and Angular.
  • Tracked and fixed bugs using Azure DevOps as a reporting tool.
  • Built a Vue-based university website that provides respective campuses' energy-saving metrics and blog posts, stories, and information about events or duels.
  • Developed a telemedicine web application using Vue and .NET, which allows doctors and healthcare providers to manage patients and their data/records within a virtual facility used by several health centers and hospitals.
Technologies: Axios, Vuex, Vue 2, Vue, NGXS, CSS, HTML, Speech to Text, Google Speech API, Optical Character Recognition (OCR), Batch, Azure, Angular, JavaScript, TypeScript, Responsive Coding, Fuse, Git, React, Azure Blob Storage API, Tailwind CSS, Node.js, API Integration, Express.js, .NET, C#, REST APIs, Bootstrap, Styled-components

Experience

TheCable App

https://play.google.com/store/apps/details?id=ng.thecable.app&hl=en&gl=US
A Flutter app built to provide news content of various categories. I was the sole developer on the project, integrating the Flutter app with specific WordPress API endpoints. I also integrated the app with Firebase, including Analytics and Crashlytics, as well as push notifications. The app also provides accessibility to persons with disability through its full integration with Android's TalkBack and iOS' VoiceOver.

Android: Play.google.com/store/apps/details?id=ng.thecable.app&hl=en&gl=US
iOS: Apps.apple.com/ng/app/thecable/id6446224303

Issua Logistics

A React-based logistics web application for managing the activities of freight carriages that features a landing page with basic information about the company's operations and an admin section with a material design theme. I was the front-end developer and liaised with the back-end team to provide rich displays, including chart data representation. Redux was used for state management within the app.

Telemed Web and App

A web application built with .NET and Vue and an app based on Flutter for the telemedicine space. I served as the mobile and front-end developer. I collaborated with the back-end developer to provide useful and efficient platforms for doctors to offer voice and video consultations to patients.

Web: https://www.telemed.com.ng/
App: https://play.google.com/store/apps/details?id=ng.com.telemed.patientapp&hl=en&gl=US

Engie Smart Institutions

A Vue-based web application for energy saving that features the statistics of energy used on university campuses, explains how to save more energy, announces energy-saving competitions or duels, and shares blog posts or stories relating to energy saving.

I worked with a team of four on the front end while integrating with the API resources provided by the Strapi back end. Vuex was used for state management and Fuse to complete a complex search on multiple entities such as buildings, stories, and events.

Toptal React Academy

The Toptal React Academy is an exclusive learning program that teaches the React framework to select members of the Toptal network. After a month of study, all graduates are tasked with completing a 30-40 hour final project to build and deliver a React app from scratch.

Education

2008 - 2014

Bachelor of Science Degree in Food Technology

University of Ibadan, Nigeria - Ibadan, Nigeria

Certifications

DECEMBER 2020 - PRESENT

Toptal React Academy Graduate

Toptal, LLC

Skills

Libraries/APIs

React, Vue, jQuery, Node.js, Web API, REST APIs, Vue 2, NgRx, NGXS, Azure Blob Storage API, React Query, Vuex, Chart.js, Google Speech API

Tools

Git, GitHub, Fuse, Auth0, Crashlytics, OneSignal, Flyway

Languages

HTML5, CSS3, JavaScript, CSS, HTML, TypeScript, Sass, SCSS, C#.NET, C#, SQL, Batch, Dart

Frameworks

Redux, Angular, Flutter, Vanilla JS, Tailwind CSS, Bootstrap, .NET, Next.js, Express.js, React Native, .NET Core, NestJS

Paradigms

Responsive Coding

Platforms

Firebase, Azure, Twilio, Android, iOS, MacOS, Docker

Storage

Microsoft SQL Server, PostgreSQL

Other

Responsive Design, Axios, Web UI, Front-end, APIs, User Interface (UI), User Experience (UX), API Integration, Styled-components, Zustand, Tanstack Query, Full-stack, Charts, Material Design, Optical Character Recognition (OCR), Speech to Text, Push Notifications, Responsive UI, SaaS, Analytics

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