r
rafaeltetzner

Rafael T

@rafaeltetzner

Software Engineer

Brazilië
Portugees, Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
I am a Computer Engineer with experience in software development for large-scale systems. I currently work on security-critical components for Samsung Knox, with a background in Linux-based systems, C/C++, Java, and Python.... Lees meer

Skills

r
rafaeltetzner
Rafael T
offline • 

Bekijk mijn diensten

Code review
I will review security critical code for vulnerabilities

Werkervaring

Samsung

Secure Software Engineer

Samsung • Fulltime

Jun 2025 - Present1 yr 3 mos

Developer of key security features availble on Samsung's DO devices. Mainly working with Java, Kotlin and Android TEE layer.

Rentbrella

Rentbrella

Fulltime • 1 yr 5 mos

Firmware Developer

Jan 2025 - Jun 20255 mos

Development of various projects using C on ARM Cortex-M (STM32) microcontrollers, as well as C++ and Python on embedded Linux systems (Raspberry Pi). Programming of graphical interfaces for HMI screens on Proculus and DWIN platforms. Migration of projects from 32-bit to 64-bit architecture and implementation of containerization with Docker.

Firmware Developer Internship

Jan 2024 - Jan 20251 yr

Focused on firmware development and feasibility analysis for cost reduction of components. Involved in programming graphical interfaces for HMI screens and implementing strategies for system optimization. Worked with embedded systems and assisted in architectural migrations and containerization initiatives.