Tomasz Rodziewicz
Embedded Software Engineer at Mobica
Piaseczno, Masovian Voivodeship, Poland
Summary
🤩
RockstarTomasz Rodziewicz is an embedded software engineer based in Piaseczno, Poland, with five years focused on developing and securing firmware and device-level systems. Currently at Mobica, he brings a background that spans electronics design, manufacturing process engineering, and IT consulting, reflecting a hands-on approach from PCB to production. He has proven expertise in cryptographic libraries, contributing security fixes and robustness improvements to the widely-used mbedtls TLS implementation. Tomasz combines practical electronics skills from earlier roles with modern embedded software practices, making him effective at diagnosing low-level faults and hardening code. Colleagues can rely on him for pragmatic, detail-oriented fixes that bridge hardware constraints and secure software design.
5 years of coding experience
5 years of employment as a software developer
Polish, English
Github Skills (12)
c1710
mtls10
error-handling10
tls1210
c1110
tls1310
cryptography10
libtls10
security10
debug9
debugging9
api-design8
Programming languages (1)
Github contributions (5)
Mbed-TLS/mbedtls
Feb 2021 - Jul 2021
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:181 reviews, 145 commits, 27 PRs in 4 months
Contributions summary:Tomasz primarily focused on fixing security vulnerabilities and addressing functional issues within the mbedtls library, a TLS implementation. Their contributions included fixing a failing EC J-PAKE implementation when the payload was all-bits-zero. They also improved the handling of error conditions, such as returning MBEDTLS_ERR_ECP_INVALID_KEY and MBEDTLS_ERR_ECP_BAD_INPUT_DATA. The user removed deprecated error codes and updated the error messages in library code to fix a compilation issue, demonstrating a good understanding of the library's inner workings.
cryptography-libraryapisslcryptographycryptography-api
TRodziewicz/mbedtls
Feb 2021 - Jul 2021
An open source, portable, easy to use, readable and flexible SSL library
Contributions:1 PR, 213 pushes, 26 branches in 4 months
xmakesiemenssslreadableqbcore-framework
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.