Alena Lu

SDE @ AWS Annapurna Labs | ECE @ Carnegie Mellon University

Austin, Texas, United States

About

Experience

  • Software Development Engineer at Amazon Web Services (AWS)
    Aug 2025 - Present · 11 mos

    Post-silicon validation of Annapurna Labs Trainium and Inferentia ML Accelerators.

  • Carnegie Mellon University (Pittsburgh, Pennsylvania, United States)
    • Course Developer
      Jan 2025 - May 2025 · 5 mos

      Course development team for Distributed Embedded Systems. • Developed full drive-by-wire car project with dual STM32 microcontrollers, communication over CAN bus, embedded safety critical components, and interfacing with controls on a Raspberry Pi to support a full steering/drivetrain system.

    • Teaching Assistant
      Jan 2024 - May 2025 · 1 yr 5 mos

      Teaching Assistant for 18-349: Intro to Embedded Systems • Supported 300+ students on labs involving embedded C programming, ARM assembly, and developing drivers + real-time kernel for STM32. • Led weekly recitations and review sessions on RTOS scheduling, serial communication protocols (UART, SPI, I2C), interrupt handling, DMA, and concurrency control.

  • Systems Development Engineer Intern at Amazon Web Services (AWS)
    May 2024 - Aug 2024 · 4 mos

    Post-Silicon Validation for Annapurna Labs ML Trainium/Inferentia chips

  • Embedded Software Engineering Intern at Intellian Technologies
    May 2022 - May 2024 · 2 yrs 1 mo

    • Designed and implemented a dithering algorithm to calibrate true north and tilt for phased antenna array beamforming using Python and MATLAB • Implemented interface to program Lattice FPGA through SPI in C • Implemented an SINR and antenna log visualization tool for continuous data collection on Jupyter notebook, using Docker tools • Developed an IMU gimbal testing platform from scratch for IMU data visualization with a control GUI in Python, and designed using SOLIDWORKS