João Graça
Profile photo

Hi! I'm João Graça

Mobile Engineer with 7+ years of experience across iOS, Android, and React Native. I find joy building impactful, scalable apps. Leveraging AI-tools to boost efficiency and innovation.

Experience

Oct 2022 - Today

Android Engineer

OLX Group

- Recognized for exceptional adaptability and productivity, consistently delivering high-quality results.
- Spearheaded the implementation of the Android returns feature, contributing to increased user retention.
- Successfully migrated the Android app to convention plugins, simplifying the development process and enhancing maintainability.
- Led the development of the Negotiations flow for the post-order experience, enabling direct buyer-seller return requests and reducing the need for customer support intervention. Achieved an 85% user preference for the negotiation path, facilitated 46% of return requests through mutual agreement, and contributed to a potential annual savings of $374k for the company.

Jul 2021 - Sep 2022

Software Engineer

FAIRTIQ

- Implemented marketing campaigns on the backend to attract new users, resulting in a substantial increase in app downloads and engagement.
- Played a crucial role in improving customer satisfaction by promptly addressing technical inquiries from users and offering technical solutions.
- Implemented an innovative payment service that not only boosted the user base but also streamlined the payment process for a seamless user experience.
- Migrated the app to a multi-module architecture for improved separation of concerns and build time optimization.

Oct 2018 - Jul 2021

Software Developer

Runtime Revolution

- Developed an iOS and Android app for a private messaging platform with a strong focus on encryption and timed messages for an American startup.
- Designed and developed an Android app for a Portuguese company that displayed seller points and enabled sellers to track their accumulated points.
- Promoted to tech lead, introduced CI/CD with Appcenter, implemented unit tests and code reviews to enhance code quality for a water rower and mobile app subscription project.
- Improved app performance on older devices by introducing multiple threads to handle the Bluetooth connection and video player.

Have a Question or Idea?

I’m just a message away! Whether you want to discuss a potential collaboration or simply have a question, reach out below — I’d be happy to connect.