Gonçalo Mendes is a Senior Software Engineer based in Barcelona with four years of professional experience building reliable embedded, backend, and mobile systems across Capgemini and Vonage. He blends low-level embedded expertise with cloud-backed backend development and mobile stability improvements—evidenced by contributions that hardened OpenTok Android SDK samples against crashes by fixing phone state listener and permission handling. A co-founder of a tech startup and former C++ workshop instructor, he brings both product-minded initiative and a habit of mentoring peers. Motivated by having societal impact, Gonçalo pairs an electrical and computer engineering masters from Instituto Superior de Engenharia do Porto and study experience at AGH Krakow with a pragmatic, stability-first engineering approach.
3 years of coding experience
8 years of employment as a software developer
Mestrado em Engenharia Eletrotécnica e de Computadores Sistemas e Planeamento Industrial, Mestrado em Engenharia Eletrotécnica e de Computadores Sistemas e Planeamento Industrial at Instituto Superior de Engenharia do Porto
Electrical and Computer Engineering, Electrical and Computer Engineering at AGH University of Krakow
Sample applications illustrating best practices using OpenTok Android SDK.
Role in this project:
Mobile Developer (Android)
Contributions:28 reviews, 28 commits, 28 PRs in 7 months
Contributions summary:Gonçalo primarily focused on preventing crashes and improving the stability of the OpenTok Android SDK sample applications, specifically addressing issues related to phone state listener functionalities. The user implemented permission checks for READ_PHONE_STATE, ensuring the application gracefully handles cases where the necessary permissions are not granted. Their work involved refactoring the code to correctly manage the phone state listener, including fixes for both Java and Kotlin implementations, ultimately contributing to a more robust user experience.
Contributions:4 reviews, 3 PRs, 3 pushes in 1 year 6 months
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Gonçalo Mendes - Senior Software Engineering at Vonage