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Senior Backend Engineer

100Insure

Full-time

Saint Petersburg, FL

Job description

Overview

We are seeking a highly skilled Embedded Systems & Calibration Tools Engineer to design, implement, and maintain firmware, calibration infrastructure, and supporting tools for advanced automotive and powertrain control systems. This role spans low-level embedded development, automotive communication protocols, PC-based calibration utilities, and data-analysis tooling. The ideal candidate is comfortable working “full-stack” across microcontrollers, CAN/XCP calibration workflows, and hardware-adjacent engineering such as PCB/BOM integration.

Why This Role is Unique

This position offers the rare opportunity to work across nearly every layer of the automotive control stack:

  • Bare-metal firmware
  • Calibration data systems
  • XCP/A2L ecosystem
  • Hardware bring-up and PCB integration
  • Data analysis and real-world testing

You’ll be involved in designing the entire workflow from firmware → calibration → tools → vehicle/dyno testing.

Key Responsibilities

  • Develop bare-metal C firmware for automotive-grade MCUs (e.g., NXP S32, ARM, Power Architecture, AURIX).
  • Implement peripheral drivers and real-time control loops.
  • Design and tune algorithms for engine control, BLDC/PMSM control, sensing interfaces, and powertrain subsystems.
  • Create robust state machines, diagnostics, safety monitors, and calibration hooks.
  • Work closely with hardware teams to bring up new boards, debug sensor interfaces, and validate timing-critical features.
  • Support automotive communications like CAN/CAN-FD, ethernet, XCP and related tools like Vector CANape.

What We’re Looking For

  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field.
  • Strong proficiency in embedded C and MCU peripheral configuration.
  • Familiarity with automotive standards and tools (CAN/CAN-FD, XCP, A2L/ASAP2, CANape, DBC files).
  • Hands-on experience with lab equipment, debugging tools, and bench setups.

Bonus Points

  • Minimum 3+ years of experience
  • Experience with motor control (BLDC/PMSM) or combustion engine control.
  • Familiarity with Altium and PCB design.
  • Knowledge of NXP S32K, AURIX, or TI automotive MCUs.
  • Experience creating PC tooling for calibration workflows.
  • Understanding of automotive diagnostic frameworks and functional safety principles.

Job Type: Full-time

Pay: $55,000.00 - $150,000.00 per year

Benefits:

  • 401(k)
  • Health insurance
  • Paid time off
  • Professional development assistance
  • Tuition reimbursement

Experience:

  • System design: 3 years (Required)
  • Embedded software: 3 years (Required)
  • PCBA troubleshooting: 3 years (Required)

Work Location: In person