Leonardo Deleon
Mobile Developer | Android & Flutter Expert
Experienced mobile developer specializing in creating high-quality Android and Flutter applications. Passionate about clean code, intuitive user experiences, and innovative solutions.
My Expertise
A glimpse into the technologies and methodologies I work with to build exceptional mobile experiences.
Journey & Milestones
Tracing my path through diverse roles and educational achievements in the tech landscape.
Professional Experience
- Senior Android DeveloperAudioristaNov 2021 - PresentRemote
- Developing a white label media player app with paywall for over 70 publishers, focusing on robust architecture and seamless user experience.
- Leading feature development and mentoring junior developers.
- Mobile EngineerLoop MessengerMar 2019 - PresentRemote
- Crafting a robust and interactive Flutter group chat app leveraging GetStream and Firebase services.
- Defining mobile architecture, collaborating with feature design on Figma, UI/UX and analytics implementation.
- Senior Android DeveloperJabraMay 2021 - Nov 2021Ballerup, Denmark
- Developed features for a Bluetooth headset configuration app for around 10 headphone models, enhancing connectivity and user control.
- Worked within a large team following Agile practices.
- Senior Android DeveloperYouTvNov 2020 - Apr 2021Copenhagen, Denmark
- Maintained and enhanced codebase with over 20 shared modules in Java/Kotlin for a large-scale streaming mobile app.
- Improved app performance and refactored legacy code.
- Android DeveloperExerpFeb 2019 - Oct 2020Copenhagen, Denmark
- Effectively maintained, refactored, and architected a multi-flavored codebase for a white label app, ensuring its scalability and performance for around 15 different clients.
- Closely collaborated with product owner and designer to gather and refine product ideas.
- Android DeveloperShapeAug 2017 - Feb 2019Copenhagen, Denmark
- Developed an entire new app from scratch with over 25 screens, incorporating features such as a catalog, booking system, and user profiles.
- Collaborated closely with iOS and design teams to create an exceptional cinema booking experience for users in Norway and Denmark.
- Android DeveloperSpeakyJul 2016 - Jul 2017Louvain-la-Neuve, Belgium
- Developed new features for a language learning social media app and participated in product design.
- Contributed to growth from 250,000 to 750,000 users and from 10,000 to 30,000 monthly active users.
Education
- Systems Analysis and DevelopmentSao Paulo State Technological CollegeJan 2012 - Jul 2015Sao Paulo, Brazil
- Systems Analysis and Development
Featured Projects
A selection of projects that showcase my skills in mobile development and my commitment to quality.
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Words from Colleagues & Clients
Hear what others have to say about working with me and the impact of my contributions.
"Leonardo is a highly skilled and dedicated developer. His contributions to our Android projects were invaluable, and he always delivered top-quality work."
Former Colleague
Lead Developer at Shape
"Working with Leo on the Loop Messenger app was a fantastic experience. His expertise in Flutter and proactive approach to problem-solving were key to our success."
Project Manager
Loop Messenger Team
"Leo's technical abilities and commitment to excellence make him a standout mobile developer. He's a great team player and a pleasure to work with."
Client
Product Owner at Audiorista
Get In Touch
Whether you have a project idea, a question, or just want to connect, feel free to reach out. I'm always open to discussing new opportunities and collaborations.