Olawumi is available for hire

Olawumi Qauzeem Yusuff

Verified Expert in Engineering

Full-stack Developer

Lagos, Nigeria

Toptal member since October 31, 2022

Expertise

Full-stack Front-end Back-end Developers Web Development MERN Stack AWS RDS CSS JavaScript React.js Node.js PostgreSQL Git

Bio

Olawumi is a software engineer specializing in building user interfaces and back-end services, testing, and debugging. He has a keen eye for detail, which he adequately deploys to his team's advantage. Olawumi is proficient in JavaScript, TypeScript, React, Node.js, Flutter, Python, and database technologies.

Portfolio

Stears Information

Python, Django, PostgreSQL, PostgREST, Docker, Docker Compose, Kubernetes...

Inf-Paces

JavaScript, React, TypeScript, Redux, Redux Thunk, React Redux, Next.js...

Freelance Clients

Node.js, Express.js, React, Redux, NestJS, Cloudinary, PostgreSQL, HTML, CSS...

Experience

PostgreSQL - 4 years
Node.js - 4 years
React - 4 years
HTML - 4 years
Express.js - 3 years
TypeScript - 2 years
Python - 2 years
Docker - 2 years

Availability

Full-time

Preferred Environment

MacOS, Ubuntu, Visual Studio Code (VS Code), Docker, Docker Compose

The most amazing...

...things I've built are the APIs for my country's most popular and successful election monitoring platform, serving real-time and historic election data.

Work Experience

Software Engineer

2021 - PRESENT

Stears Information

Acted as a lead API developer for Stears elections that fostered a 500% increment in new users acquired.
Debugged an anomaly in product behavior using Grafana and Loki as log query tools, which led to wholesome solutions that kept the product stable and earned users' confidence.
Unblocked fellow teammates to ensure faster feature delivery and business goal achievement.
Built POCs to foster business decisions that directed product evolution.
Participated in and contributed to cross-functional team discussions to encourage progressive business decisions.

Technologies: Python, Django, PostgreSQL, PostgREST, Docker, Docker Compose, Kubernetes, Grafana, HTML, CSS, JavaScript, TypeScript, React, Next.js, REST, Django REST Framework, ClickUp, Git, GitLab, GitLab CI/CD, GraphQL, WordPress API, Web Applications, Full-stack Development, Front-end Development, Full-stack, APIs, REST APIs, Sass, HTML5, Auth, Amazon Web Services (AWS), API Development, Firebase, API Integration, Web Development, Amazon S3 (AWS S3), Jinja, Handlebars, Stripe API, Create React App, Web, Back-end, Back-end Architecture, React Hooks, RESTFul APIs

Senior Technical Instructor

2022 - 2022

Inf-Paces

Instructed a team of junior developers in web technologies with a focus on building them into mid-level engineers.
Provided mentoring to junior developers on web technologies to fast-track their journey in the knowledge and practice of web development.
Prepared technical challenges for the team to estimate the growth in their technical expertise during the program.

Technologies: JavaScript, React, TypeScript, Redux, Redux Thunk, React Redux, Next.js, Netlify, Prisma, SQL, PostgreSQL, REST APIs, REST, Web Development, Create React App, Web, React Hooks, RESTFul APIs

Full-stack Developer

2020 - 2022

Freelance Clients

Contributed to the front end of a startup marketplace that connects founders with investors.
Built an API service for a learning management system for an investment banking firm, creating resources, setting learning goals, and tracking employee progress.
Developed a mobile app for a workers union cooperative society to manage members' contributions and entitlements.
Created an API service of a customer request tracking application for an investment banking firm to log and manage customer requests and data.

Technologies: Node.js, Express.js, React, Redux, NestJS, Cloudinary, PostgreSQL, HTML, CSS, JavaScript, TypeScript, Git, GitHub, Front-end, Front-end Development, Back-end Development, Full-stack, MongoDB, Mongoose, TypeORM, Sequelize, HTML5, Auth, SQL, REST, REST APIs, API Development, API Integration, Web Development, Create React App, Web, Back-end, Back-end Architecture, MERN Stack, React Hooks, RESTFul APIs

Full-stack Developer | Mobile Front-end Developer

2020 - 2021

Macrotel Innovations

Built a finance application and deployed it to Google Play and the App Store, reaching thousands of downloads.
Provided support and guidance to junior developers and interns to expand technical human capacity within the organization.
Integrated hardware devices, such as Bluetooth thermal printers and point of sales devices, with the mobile app to appeal to the niche market of agent banking and expand product reach and revenue.

Technologies: Dart, Flutter, Java, Android, Android POS, HTML, CSS, JavaScript, Git, GitHub, APIs, REST APIs, Auth, REST, MySQL, RESTFul APIs

Front-end Developer

2019 - 2020

New Homes

Built interactive customer-facing and admin web interfaces.
Developed the front end of a mortgage system that helped customers gain insights into their eligibility and financial projections for properties and secure funding from mortgage banks.
Built a full-stack application to serve as an entry point to access information on all products, contact, and log complaints.

Technologies: JavaScript, React, Redux, Redux Thunk, Next.js, HTML, CSS, Git, GitLab, HTML5, Auth, Web Development, Create React App, Web, React Hooks, RESTFul APIs

Intern

2019 - 2019

Online Freelance Agency

Contributed to building an API service for a travel and accommodation booking management application.
Developed a weather forecast application that described future weather conditions for places of user's interest.
Built an API service for a property management application.

Technologies: Node.js, PostgreSQL, React, Redux, Git, Travis CI, HTML, CSS, JavaScript, Auth, SQL, REST, REST APIs, API Development, API Integration, Web Development, Web, MERN Stack

Experience

Stears

https://stears.co

A subscription-based news application that publishes data-informed content on African economies and government policies. As a full-stack developer on the team, my primary responsibility was to focus on the content back end, defining the business logic for customer and staff interactions with the content.

Zippyworld App

https://play.google.com/store/apps/details?id=ng.com.zippy_world&hl=en_US&gl=US

A fintech application that serves as a wallet, enabling users to manage their money and expenses. I oversaw building the mobile application with experiences that appealed to end users and agents and integrations with Android point-of-sales devices.

Conectivest Web App

An application that serves as a marketplace for early-stage startups to pitch ideas to potential investors and secure funding. As a front-end developer on the team, I built interactive user interfaces while collaborating with a back-end developer to create intuitive experiences.

Workflow API for an Investment Banking Firm

A Node.js server API for logging customer requests and managing the progression of such requests to completion. I was the back-end developer who defined business logic that met user expectations and appropriate communication between the organization's departments and customers.

Learning Management System API

A Node.js-based API service for a learning management application for the staff of an investment banking organization. I was the back-end developer and defined business logic that a front-end developer integrated to create an outstanding experience.

Finance App for Worker Union

A Flutter application for managing financial contributions and entitlements of union members. As a mobile developer on this project, I collaborated with a back-end developer to deliver an experience that matched the client's expectations.

Finance Plus

https://financeplus.ng/

A React-based front end for a mortgage and property marketplace. I was a front-end developer playing a key role in building interactive and seamless web experiences for users to register their property needs and source funds. I also integrated interfaces with the API made by a back-end developer.

New Homes Real Estate Marketplace

A React-based front end of an application for a real estate marketplace. I built and maintained the user interfaces and integrated the back-end service to deliver an intuitive experience to customers.

Education

2009 - 2014

Bachelor's Degree in Mechanical Engineering

Ladoke Akintola University of Technology - Ogbomosho, Oyo State, Nigeria

Certifications

SEPTEMBER 2022 - PRESENT

Cloud Developer

Udacity

Skills

Libraries/APIs

React, Node.js, React Router, WordPress API, REST APIs, Auth, API Development, Socket.IO, PostgREST, Handlebars, Redux-Saga, React Redux, Stripe API

Tools

Git, Redux Thunk, Postman, GitHub, JSX, Mongoose, Sequelize, Create React App, Docker Compose, GitLab, Travis CI, Grafana, GitLab CI/CD, Celery, Prisma, Amazon CloudFront CDN, Amazon Simple Notification Service (SNS), Amazon Simple Queue Service (SQS)

Languages

HTML, CSS, JavaScript, TypeScript, Python, HTML5, Dart, GraphQL, Sass, SQL, Java

Frameworks

Express.js, Next.js, Redux, Django, Swagger, NestJS, Django REST Framework, Flutter, Jinja, Serverless Framework, Tailwind CSS

Paradigms

REST, Serverless Architecture, Back-end Architecture

Platforms

Heroku, Web, AWS Elastic Beanstalk, Docker, MacOS, Ubuntu, AWS Lambda, Kubernetes, Android, Netlify, Amazon Web Services (AWS), Firebase, Visual Studio Code (VS Code)

Storage

PostgreSQL, MongoDB, MySQL, Amazon S3 (AWS S3)

Other

Cloudinary, API Integration, Full-stack, Front-end Development, Web Applications, Full-stack Development, Front-end, Back-end Development, TypeORM, APIs, Web Development, Amazon RDS, Back-end, MERN Stack, React Hooks, RESTFul APIs, Programming, Mathematics, ClickUp, Android POS, Metabase, Google Play Store, App Store

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