Tunji is a Senior Software Engineer with 10+ years of experience iterating innovative software solutions with a focus on writing clean, secure, and modular software application code on client projects. He specializes in Android SDK and can competently handle modern back-end and front-end tech stacks like Node.js, Express.js, Vue.js, Nuxt.js in delivering solutions for clients.
Creating and developing innovative software solutions for clients across a broad range of industries.
Participating in scrums consisting of cross-functional teams, both software and hardware.
Ensuring that features are being delivered efficiently and on time.
Led a team of Android engineers and managed cross-functional collaborations with other engineers, testers, designers, product managers, and stakeholders to maintain and enhance the Joist Android app, focusing on growth, performance, and scalability.
Advocated for Android architectural best practices and continually improved the user experience of the Joist Android app for growth, performance, and scale, resulting in 15% more downloads and 20% more payment processes compared to the prior year.
Led the initiative to improve the rating for the Joist Android app using timely prompts, with a successful increase from 4.0 to 4.7 stars rating out of 5 on the Google Play Store.
Enhanced the Shopper Android app through targeted feature updates and performance optimizations, resulting in improved user satisfaction and engagement.
Led the modernization efforts and executed a transformational change to completely rebrand the Android app from Supermercato240 to Everli within the agreed timeline, in collaboration with designers and back-end developers, taking advantage of Material Design, leading to 20% more brand visibility and awareness.
Implemented an in-house update procedure and library for improved app reliability and stability.
Played a key role in the Store Android team at Numbrs Personal Finance AG, leveraging expertise in Java and Kotlin to enhance the discovery experience of financial products, contributing to the app's overall success and user engagement.
Implemented an innovative video slideshow (with A/B testing), a new concept different from the conventional image slideshows, resulting in a notable increase in user engagement metrics and signup rates (+15%).
Successfully migrated legacy code from Java to Kotlin with the use of Reactive Extensions.
Created a course and eBook on happiness.
Working on happiness engineering.
Designed and developed Evapp, an event automation app with context awareness, using Estimote Bluetooth Low Energy beacons.
Provided support for the entire application lifecycle including concept, design, test, and release phases.
Documented all technical design, code, build, and release procedures.
Providing consulting services to multiple companies, delivering tailored solutions and driving project success, with successful development and testing of 8+ high-quality applications.
Making extensive use of secure RESTful APIs to consume and display data and to send back data to back-end systems for processing.
Ensuring compliance with best practices for security, scalability, maintainability, accessibility, and performance throughout the development lifecycle.
Designed, implemented, and tested a data collection/validation software.
Evapp is a context-aware Android application for automatic event check-ins/outs, and real-time audience polling using Estimote Bluetooth beacons.
Developed with knowledge from a master's thesis in event automation and context awareness using Bluetooth Low Energy beacons.
Handled the entire architecture of the Evapp, from conception to delivery.
Developed a catalogue app for L'Oréal brand sellers to display new and top products
Collaborated with a UI designer and back-end developer in team for the solution
Built and managed the L'Oréal Professionnel Catalogo Android application from scratch, including managing the app's use of REST APIs for a front-end Android client on the app
Developed Search Bubble, an open-source Android application, enabling users to float a bubble for automatic clipboard monitoring and instant searching.
The app offers functions for instant search, translation, messaging, calling, location, and sharing of clipboard items.
Participated in all stages of the project, from design to implementation.
Developed an API for users to retrieve country codes using REST API endpoints
Ensured scalability and easy use for both new and existing users
Oversaw app architecture development and protected REST API endpoints with API tokens
Worked on the development of a customer support application for Sutter's salesforce
Iterated the Sutter Professional Italia Android application
Manipulated REST APIs for the solution of the app's front-end Android client
