Piotr Jastrzębski

Senior Software Engineer at GlobalLogic

Wroclaw Metropolitan Area

About

Experienced Software Engineer with over 10 years of expertise in software development and more than 8 years in the telecommunications industry. - Mobile App Development: Skilled in Objective-C/C++, Swift, C++, Java, and proficient in Python for broader applications. - Problem Solving & Technical Expertise: Adept at analyzing complex challenges, identifying root causes, and implementing innovative solutions across software and telecommunications domains - Telecommunication Technologies: Specialized in cutting-edge technologies, including: NR (5G), particularly VoNR, NR-DC, and Slicing; LTE - AI/ML Enthusiast: Passionate about AI/ML, with hands-on experience in Supervised Learning, and eager to continue expanding my knowledge and contributing to the advancement of AI-driven solutions in telecom.

Experience

  • GlobalLogic (Full-time · 10 yrs 7 mos)
    • Senior Software Engineer
      Jun 2020 - Present · 6 yrs 2 mos

      - Developing and maintaining an iOS app (Swift/Obj-C) for UE-side data analysis and integration with 3GPP-compliant NR/LTE telecom systems. - Defining functional requirements and providing cross-platform implementation guidelines. - Implementing diagnostic features for 5G/4G, including VoNR, NR-DC, EN-DC, VoLTE, Network Slicing, Carrier Aggregation, Thermal Management, and Cross-layer Analysis. - Maintaining and extending a C++ library for parsing low-level modem data. - Collaborating with cross-functional teams to ensure accurate, real-time diagnostic data under various network conditions.

    • Senior Software Engineer
      Jan 2016 - Jun 2020 · 4 yrs 6 mos

      - Analyzed and resolved protocol stack issues for LTE, UMTS, GSM, CDMA2000, and EVDO technologies on the UE-side, ensuring seamless connectivity and optimized performance for Wireless Modules (with Qualcomm chipsets). - Identified and fixed complex problems within the radio access network (RAN) protocol stack, improving system stability, reducing error rates, and enhancing UE features such as the Radio Policy Manager (RPM). - Collaborated with cross-functional teams to troubleshoot and validate software updates for UE-side protocol stacks, ensuring compliance with 3GPP and 3GPP2 standards and improving overall network reliability. - Conducted in-depth analysis and debugging of protocol interactions between different layers of the UE-side stack, facilitating faster issue resolution and enhancing system performance.

  • Software Engineer at REC Global
    Nov 2014 - Jan 2016 · 1 yr 3 mos

    - Analyzed and resolved protocol stack issues for LTE, UMTS, GSM, CDMA2000, and EVDO technologies on the UE-side, ensuring seamless connectivity and optimized performance for Wireless Modules (with Qualcomm chipsets). - Identified and fixed complex problems within the radio access network (RAN) protocol stack, improving system stability, reducing error rates, and enhancing UE features such as the Radio Policy Manager (RPM). - Collaborated with cross-functional teams to troubleshoot and validate software updates for UE-side protocol stacks, ensuring compliance with 3GPP and 3GPP2 standards and improving overall network reliability. - Conducted in-depth analysis and debugging of protocol interactions between different layers of the UE-side stack, facilitating faster issue resolution and enhancing system performance.

  • Junior IT Specialist at IBM
    Jan 2013 - Oct 2014 · 1 yr 10 mos

    - Java Developer - Health Check (Operating Systems)

  • Whirlpool Corporation (3 yrs 7 mos)
    • Measurement Inspector
      Sep 2009 - Mar 2013 · 3 yrs 7 mos

      Reliability Lab.

    • Apprenticeship
      Sep 2010 - Nov 2010 · 3 mos

      Development Lab.