Olalekan Efunkunle
Lagos,LA
Summary
Dynamic and results-oriented Lead Frontend Developer with 6 years of experience, including impactful work at Adroyte. Proficient in React.js, JavaScript/TypeScript, Node.js, and Python. Proud graduate of the Crossroad Emerging Leaders Programme. Eager to leverage my skills and innovative approach to drive success and lead a vibrant team in creating cutting-edge, user-focused applications. Let's craft the future of technology together
Overview
7
7
years of professional experience
Work History
Lead Frontend Developer
Adroyte
11.2023 - Current
- Spearheaded the implementation of responsive design, resulting in a 60% increase in mobile traffic
- Achieved 60% rise in mobile engagement
- Trained junior front-end developers, sharing knowledge on modern web technologies and coding techniques
- Led front-end development projects, coordinating with multidisciplinary teams to meet project deadlines
- Applied responsive design techniques to create mobile optimized websites, improving accessibility for users on the go
- Streamlined website loading times by optimizing images and implementing efficient code, boosting user retention rates
- Designed and implemented user-friendly web interfaces, enhancing usability and customer engagement
- Coordinated with cross-functional teams to deliver projects within deadlines and budget constraints
- Monitored website security threats and implemented countermeasures, safeguarding user data and privacy
- Implemented accessibility features in web designs, ensuring compliance with WCAG guidelines and expanding market reach
- Tools used: Javascript, Typescript, NodeJs, React, Redux, NextJs, MaterialUI, Antdesign, NodeJs
Lead Frontend Developer
Betty Bingo
11.2022 - 11.2023
- Led the frontend team to build both the client facing app and the back-office for Betty Bingo, an online multinational bingo game site
- Developed the game animations, dashboards, leader-boards and personally oversaw the reconciliation of game time with server time
- We saw over 20% decrease in customer bug complaints and 12% percent increase in revenue within three months
- Customers also commended the more intuitive user-interface
- Tools used include React, Javascript, react-hooks redux, Ant design, react-carousel, axios, react18next, styled-component, AWS
Frontend Developer
Pledre
10.2021 - 10.2022
- Led the frontend team
- Collaborated with cross-functional development teams to analyze system solutions based on evolving client needs, gaining 13% more client referrals
- Utilized LaTeX to design and develop high-quality educational materials, including textbooks, workbooks, and assessment guides
- Created complex documents with precise formatting, equations, and graphics, leveraging LaTeX's advanced typesetting capabilities
- Collaborated with cross-functional teams to develop customized LaTeX templates
- Troubleshooted and resolved LaTeX-related issues
- Optimized old code which led to about 15% increase in performance
- Improved the server by setting up a Queue + Cron service which totally eradicated multiple user notifications
- Refactored several methods to improve the performance and speed
- Worked with other team members to discuss best ways to solve different issues
- Tools used include Typescript, Latex, React, , Ant design, Javascript, react-hooks redux, react-carousel, axios, react18next, styled-component, AWS
Full Stack Engineer
UADS
03.2018 - 04.2022
- Directed all stages of production including architecture, design, development, troubleshooting, performance testing and maintenance
- Developed the front-end application using JavaScript, React, Html, Html5, Redux, AWS Redux-Saga, CSS, Git, Typescript, and Ant Design to produce a visually pleasing web application
- Increased site visibility, performance, and user experience by 150% of the previously existing sites
- We worked with JavaScript, MongoDB, Redux, TypeScript, Troubleshooting, SCSS, Redux-Saga, CSS3, Ant Design, and React
- Coordinated all stages of production including architecture, design, development, troubleshooting, performance testing, and maintenance
- Overhauled organization's site from WordPress to a Progressive React Web app, using modern tools such as Material UI, HTML5, AWS, html, React.js, React Hooks, Git and Github, Redux, Redux-saga, Material UI, CSS, CSS3, and SCSS, JavaScript, and TypeScript with standard best practices
Back End Developer
Mediverse
10.2020 - 12.2021
- Back-End Development using Golang, Node.js, Typescript, mongodb, mongoose, for the database
- The project was developed using Typescript, Docker, JavaScript, CI/CD, Web API, AWS, Git, Jenkins, and Node.js
- Collaborated with other developers to test, troubleshoot, and effectively debug the APIs to prevent future malfunction or errors
- Integrated with Twilio and Mailchimp for email and SMS notifications
- Created CI/CD pipelines using Jenkins
- The server reduced request response time by over 50% compared to traditional REST APIs due to the implementation of caching and specific query fetching
- Tools used include Javascript, NodeJs, Python, Express, Typescript, AWS, Mogodb, Postgresql, redis.
Full Stack Engineer
LendAnArm
02.2019 - 01.2021
- Developed the front-end application using React, Redux, Redux-Saga, Typescript, and Material UI to produce a visually pleasing web application
- Engineered the backend APIs using Node.js, Typescript, Express.js, and MongoDB
- Tools used include Javascript,Typescript, NodeJs, react-hooks redux, material ui, Ant design, react-carousel, axios, react18next, styled-component, AWS
Education
Crossroad Emerging Leaders Programme -
HARVARD BUSINESS SCHOOL
Bachelor of Dental Surgery(B.DS) - Denstry
UNIVERSITY OF IBADAN
Skills
- JAVASCRIPT
- TYPESCRIPT
- NODEJS
- PYTHON
- REACTJS
- MATERIAL UI
- TAILWIND CSS
- AWS
- EXPRESS
- POSTGRES
- NON-RELATIONAL DB
- GIT/GITHUB
Languages
English
JavaScript
Yoruba
Timeline
Lead Frontend Developer
Adroyte
11.2023 - Current
Lead Frontend Developer
Betty Bingo
11.2022 - 11.2023
Frontend Developer
Pledre
10.2021 - 10.2022
Back End Developer
Mediverse
10.2020 - 12.2021
Full Stack Engineer
LendAnArm
02.2019 - 01.2021
Full Stack Engineer
UADS
03.2018 - 04.2022
Bachelor of Dental Surgery(B.DS) - Denstry
UNIVERSITY OF IBADAN
Crossroad Emerging Leaders Programme -
HARVARD BUSINESS SCHOOL
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