Chidi is available for hire
Hire ChidiChidi Orji
Verified Expert in Engineering
React and Full-stack Developer
Lagos, Nigeria
Toptal member since October 12, 2021
Bio
Chidi is a front-end heavy full-stack engineer with 5+ years of experience. He has delivered pixel-perfect UI and UX for several client applications on a full-time and contract basis. Chidi has delivered the Koya LMS and UsePass apps for Softcom; the Autumn AI app for Autumn; a comment system for an internal Toptal app; and the entire back-end infrastructure and front-end app for BlueLines. Chidi delivers maximum value for money and loves applying technology to meet business needs.
Portfolio
WorksheetsAI Inc.
React, HTML, JavaScript, CSS, TypeScript, Node.js, SolidJS, Next.js...
Interswitch
React, Redux, React Redux, Pixel Perfect, Responsive UI, Babel, ESLint...
BlueLines
Architecture, React, Django, Django ORM, Apollo, Redux, React Redux...
Experience
Availability
Full-time
Preferred Environment
Django, Python, JavaScript, React, GraphQL, JavaScript 6, React Apollo, Next.js, React Native, TypeScript
The most amazing...
...highlight of my career has been architecting, building, and managing the deployment of the entire back-end infrastructure for the BlueLines accounting app.
Work Experience
React Developer
2024 - 2024
WorksheetsAI Inc.
- Built the front end of the Teachshare.com marketplace.
- Worked closely with the CTO to triage bugs and make quick fixes.
- Managed front-end tasks and deliverables using Notion boards.
Technologies: React, HTML, JavaScript, CSS, TypeScript, Node.js, SolidJS, Next.js, Tailwind CSS, Stripe Connect API, Google API, PostgreSQL, Database Design, Database Management, SQL, CSS3, Ajax
Senior Front-end Developer
2023 - 2024
Interswitch
- Built the front end of the Interswitch Reach Platform (ISW Reach).
- Managed tasks on Jira, achieving a 100% ticket completion rate.
- Wrote project documentation for code and usage documentation for the ISW Reach platform.
- Orchestrated continuous integration and delivery pipelines on Jenkins.
Technologies: React, Redux, React Redux, Pixel Perfect, Responsive UI, Babel, ESLint, API Integration, WebApp, webapp2, Vite, Charts, Dashboards, Single-page Applications (SPA), CSS3, Ajax
Senior Full-stack Developer
2023 - 2023
BlueLines
- Architected model relationships and determined the best database for the app after considering factors such as speed, maintainability, and cost.
- Built scalable and fast GraphQL endpoints using Django and Graphene.
- Developed highly responsive and query-efficient front ends with React and Apollo Client.
- Converted Figma designs into highly responsive and pixel-perfect React components.
- Built a performant dashboard for viewing analytics and chart data for thousands of transactions.
- Architected a mobile application utilizing React Native.
Technologies: Architecture, React, Django, Django ORM, Apollo, Redux, React Redux, API Architecture, GraphQL, PostgreSQL, Redux Persist, Firebase, JSON, Figma, CI/CD Pipelines, Responsive Web Design (RWD), Front-end Development, Git, Tailwind CSS, Axios, Flask, Front-end Design, HTML, Responsive Web Apps, User Experience (UX), Context API, Unit Testing, User Interface (UI), Minimum Viable Product (MVP), Data Visualization, UI Components, WebSockets, Chart.js, ApexCharts.js, Front-end Architecture, React Native, Docker, Gunicorn, Pixel Perfect, Full-stack Development, Responsive UI, Babel, ESLint, Progressive Web Applications (PWAs), API Integration, WebApp, webapp2, SCSS, Sass, Vite, Charts, Dashboards, Analytics, Redis, Single-page Applications (SPA), Database Design, Database Management, SQL, CSS3, Ajax
Senior Front-end Developer
2022 - 2022
Autumn AI
- Co-authored a chart and data-rich analytics dashboard that shows mental health metrics, such as burnout, exhaustion, and cynicism scores for individual employees, teams, and the entire organization.
- Worked closely with the back-end team in making decisions about how best to implement features to optimize performance on both the back and front ends of the app.
- Managed the implementation of various modules of the front-end app from start to finish, including the one-on-one meeting feature and the heatmap feature.
- Managed tasks, timelines, and expectations using GitLab project management tools.
Technologies: React, Next.js, TypeScript, JavaScript, Front-end, HTML5, REST APIs, Tailwind CSS, Node.js, Test-driven Deployment, HTML, Storybook, Figma, CI/CD Pipelines, Cypress, Responsive Web Design (RWD), Front-end Development, Prisma, Git, Axios, Front-end Design, Responsive Web Apps, Minimum Viable Product (MVP), User Experience (UX), Artificial Intelligence (AI), Context API, Unit Testing, User Interface (UI), Data Visualization, UI Components, Chart.js, Front-end Architecture, Docker, Pixel Perfect, Full-stack Development, Responsive UI, Babel, ESLint, Progressive Web Applications (PWAs), API Integration, SCSS, Sass, Charts, Dashboards, Analytics, GitLab, Single-page Applications (SPA), PostgreSQL, CSS3, Ajax
React Full-stack Developer
2022 - 2022
Toptal
- Implemented a user comment system for an internal application. This included the back-end database queries, API endpoint, and the front end.
- Took an active part in managing the project tasks with Jira and in backlog refinement activities, such as task weighting, feature task breakdown, etc.
- Performed pair programming and mentorship sessions with interns and senior developers.
- Carried out comprehensive code reviews from teammates, which included interns and senior developers.
Technologies: React, Next.js, Knex.js, Material UI, APIs, React Query, Google Maps API, Figma, CI/CD Pipelines, Responsive Web Design (RWD), Front-end Development, Git, Axios, Front-end Design, HTML, Responsive Web Apps, User Experience (UX), Context API, Unit Testing, Node.js, User Interface (UI), Data Visualization, UI Components, Pixel Perfect, Responsive UI, Babel, ESLint, Progressive Web Applications (PWAs), API Integration, Sass, Database Management, Database Design, SQL, CSS3, Ajax
React Front-end Developer
2019 - 2022
Softcom
- Developed responsive and pixel-perfect React UI screens and components for the Koya LMS admin app (https://koya.co).
- Contributed to building responsive and pixel-perfect React UI screens and components for the Koya LMS Learner application.
- Oversaw users' physical and online training to get the most out of the LMS application.
- Built a highly performant dashboard for viewing analytics data of the Koya LMS admin app.
- Developed responsive and pixel-perfect React UI screens and components for the Usepass app (https://usepass.io).
Technologies: React, JavaScript, React Redux, Learning Management Systems (LMS), Google Sheets, Jira, Front-end, JSX, Web Development, Web App Development, TypeScript, Test-driven Development (TDD), Node.js, Redux, Storybook, Figma, CI/CD Pipelines, Responsive Web Design (RWD), Front-end Development, Git, Axios, Front-end Design, HTML, Responsive Web Apps, User Experience (UX), Context API, Unit Testing, User Interface (UI), UI Components, Chart.js, ApexCharts.js, Front-end Architecture, React Native, Pixel Perfect, Responsive UI, Babel, ESLint, API Integration, SCSS, Sass, Charts, Dashboards, CSS3, Ajax
Full-stack Developer (Django)
2018 - 2019
Funnshopp Enterprises
- Architected and built a Django-powered application for recording the company's revenues and expenses.
- Built the user-facing front end for interacting with the back end and database of the recording application.
- Oversaw the successful transition from paper-based data entry to the system that I developed and trained the company's staff to use the new system.
- Interpreted the data collected in the system to provide useful information to the management staff.
Technologies: Django, HTML5, CSS, Python, Front-end, Back-end, Full-stack, Django ORM, APIs, Responsive Web Design (RWD), Git, Axios, HTML, Responsive Web Apps, Docker, Full-stack Development, Responsive UI, ESLint, API Integration, Database Management, Database Design, SQL, CSS3, Ajax
Contract Engineer
2016 - 2018
Pioneer International Projects Management Consultant (PIPMC)
- Interpreted project-planning Gantt charts presented by clients to assist with delay analysis.
- Developed a project timeline summary that provided high-level insights into where and when something might have gone wrong.
- Collaborated with teammates to develop contract terms and a model best suited for a client.
Technologies: Lean Project Management
Experience
BlueLines | Accounting App for Small and Medium-sized Businesses
https://bluelines.ioAs co-founder and CTO, I built the back end, front end, and Android apps with React Native. I created the back end with Django, Graphene, and a PostgreSQL database; the website with Next.js; the client front-end app with React and Apollo Client; and the Android app with React Native. The front-end code is hosted on Netlify, and the back-end infrastructure is deployed on DigitalOcean.
Autumn AI | Mental Health Management App
https://getautumn.comAutumn AI is an early-stage startup based in Canada working on the future of preventative mental healthcare.
The Autumn AI app helps HR, managers, and business owners manage employee mental health to prevent burnout and the resulting turnover and associated business costs.
The Autumn AI app helps HR, managers, and business owners manage employee mental health to prevent burnout and the resulting turnover and associated business costs.
Mobile Flashcards
https://play.google.com/store/apps/details?id=com.chidimo.mobileflashcards&pcampaignid=web_shareMobile Flashcards is a mobile application that creates flashcards to aid in memorization.
It is built with React Native and TypeScript and uses technologies such as async storage. It is a managed workflow application that uses Expo to manage the build and deployment to the Google Play Store.
It is built with React Native and TypeScript and uses technologies such as async storage. It is a managed workflow application that uses Expo to manage the build and deployment to the Google Play Store.
Usepass
Usepass is a Softcom product that provides a solution for organizations to control time and access to their buildings, offices, and apartments. With Usepass, organizations can create, authorize, and share digital identity cards. I developed highly responsive and pixel-perfect UIs and components for the client application.
Koya Schools LMS
Koya is the Softcom LMS built for schools and organizations to manage student and employee learning. As the lead front-end developer of the admin app and co-developer of the learner app, I developed highly responsive and pixel-perfect UIs and components. I also conducted physical and online onboarding and training exercises.
TestX
I built the Android app for the testX platform developed by Traindemy. The app is being developed as the educational testing platform of the 21st century to be used remotely. I was the lead front-end and mobile developer using React Native. The app and its sister site helped the team secure a $5,000 AWS credit at a startup fare.
Education
2006 - 2010
Bachelor's Degree in Petroleum Engineering
University of Benin - Benin City, Edo State, Nigeria
Certifications
DECEMBER 2021 - PRESENT
Certified Lean Six Sigma White Belt
Advanced Innovation Group Pro Excellence (AIGPE)
NOVEMBER 2021 - PRESENT
Apollo Graph Developer - Associate
Apollo Graph Inc. Odyssey
APRIL 2019 - PRESENT
React Nanodegree
Udacity.com
DECEMBER 2018 - PRESENT
Web Application Development with JavaScript and MongoDB
Coursera
OCTOBER 2018 - PRESENT
Responsive Website Basics: Code With HTML, CSS, and JavaScript
Coursera
OCTOBER 2018 - PRESENT
Responsive Web Design
Coursera
Skills
Libraries/APIs
React, React Redux, REST APIs, Redux Persist, Django ORM, Node.js, Chart.js, ApexCharts.js, Context API, JSON API, React Query, DigitalOcean API, jQuery, Google Maps API, SolidJS, Stripe Connect API, Google API
Tools
React Apollo, JSX, Figma, Prisma, Git, Babel, GitLab, Knex.js, Google Sheets, Jira, Graphene, Expo
Languages
JavaScript, Python, GraphQL, HTML5, CSS, TypeScript, HTML, ECMAScript (ES6), SCSS, Sass, CSS3, SQL
Frameworks
Django, React Native, Next.js, Redux, Tailwind CSS, Express.js, Material UI, Cypress, Flask, WebApp, webapp2
Paradigms
REST, Test-driven Development (TDD), Responsive Web Design (RWD), Unit Testing, API Architecture, Database Design, Six Sigma, Test-driven Deployment
Storage
JSON, PostgreSQL, Amazon S3 (AWS S3), Redis, Database Management, MongoDB, MySQL
Platforms
Docker, Firebase, DigitalOcean, Heroku, Android
Industry Expertise
Scientific Research, Petroleum Engineering, Lean Six Sigma
Other
Front-end, Full-stack, UI Development, APIs, Web App Development, Web Development, Architecture, RESTful Web Services, JSON REST APIs, Apollo, Front-end Architecture, User Interface (UI), CI/CD Pipelines, Front-end Development, Axios, Front-end Design, Responsive Web Apps, Minimum Viable Product (MVP), User Experience (UX), Data Visualization, UI Components, Pixel Perfect, Responsive UI, ESLint, Progressive Web Applications (PWAs), API Integration, Vite, Charts, Dashboards, Single-page Applications (SPA), Ajax, Back-end, Storybook, Mobile App Development, Artificial Intelligence (AI), WebSockets, Gunicorn, Full-stack Development, Analytics, Lean Project Management, Learning Management Systems (LMS), Lean
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