ACARA Jobs
Sr. Firmware & Embedded Software Engineer (IoT)
Apply- ID: 555320
- Posted: 11/13/2025
- Location: San Jose, Ca
- Category: Pro - Engineering
- Job Type: Direct Placement
- Duration: Direct Placement
Description
Acara Solutions is a staffing services firms that has been supporting advanced manufacturing nationally since the 1950's. Our San Jose electronics manufacturing innovation client has a direct salaried opening for a Sr. Firmware & Embedded software Engineer. Their salary range tops out at around $185K with some flexibility for the right candidate. The engineer must live locally. Flexible hybrid with a target of 3 days in the office each week.
This is a smaller nimble organization. The role encompasses a large variety of projects that may include aerospace, space, defense, medical device, health & asset monitoring, weareables, IoT, automotive, robotics and RF/communications.
We are looking for a talented, creative and disciplined firmware engineer to join the System Design and Electrical Engineering Group. In this role, you will architect, design, prototype, and test firmware for the next generation of additively manufactured Hybrid Electronics (HE) that radically redefine the way people work, play and connect. The candidate is expected to architect, design, develop and test firmware that enables application domains in wearables, industrial IOT and structural health monitoring.
In this role, you will participate in the definition of architecture and implementation of designs in both prototype and shipping consumer products and critical needs for the Department of Defense as well as demonstrate good development practices and seamless collaboration. You will have the opportunity to participate in all phases of system and device design. You will collaborate closely with our experts in system integration, robotics, software, testing, and process, in a broad range of environments from medical devices to consumer electronics.
· Develop firmware for low-power, ARM Cortex-M based, embedded devices that interact with various sensors / IC including, BLE, accelerometers, external flash and other peripherals.
· Understand and implement power-management, boot loaders, scheduling, inter-processor communication, computer vision and firmware / system interfaces on RTOS and/or bare-metal environments.
· Board bring-up: work with Hardware engineers to debug pre-production boards and iterate design until functional.
· Define and document software requirements and software design methodologies.
· Help design and maintain the development process to architect, document, implement, test and track sustainable and reusable code.
· Develop manufacturing tests for firmware that will run at the factory to validate firmware and electronics work as expected.
Job Requirements
Required Skills / Qualifications:
· Bachelor of Science in Computer Engineering or Computer Science, or equivalent.
· Min 7 years of embedded software development and the following experience:
· Experience with RTOS (ex: FreeRTOS, Zephyr).
· Experience with embedded software design and programming in C/C++ for development, debugging, testing and performance analysis using Python.
· Deep understanding of Bluetooth Low Energy is required.
· Experience with low-power microcontrollers (e.g., ARM Cortex M4 series, Nordic, Ambiq, STMicro) is required.
· Familiar with: I2C, UART, SPI, PWM, ADC, Timers, Counters, USB, Flash, RAM.
· Experience using Git, Jira, PLM, continuous integration, unit and regression testing is required.
· Familiar with IDEs including MS Visual Studio, Segger IDE, Visual Studio Code, Keil.
Due to ITAR regulations, this position requires U.S. Persons (Green Card acceptable)
Preferred Skills / Qualifications:
· Knowledge of Java and Javascript is a plus.
· Experience with WiFi is a plus.
· Familiarity with batteries and charger ICs is preferred, implement charge & discharge curves.
· Optimizing peripheral / sensor communications for low power is preferred.
· Familiar with analog sensors (e.g., temperature, light, accelerometer) is preferred.
· Experience with machine learning algorithms, AI models, and implementation strategies.
Aleron companies (Acara Solutions, Aleron Shared Resources, Broadleaf Results, Lume Strategies, TalentRise, Viaduct) are an Equal Opportunity Employer. Race/Color/Gender/Religion/National Origin/Disability/Veteran.
Applicants for this position must be legally authorized to work in the United States. This position does not meet the employment requirements for individuals with F-1 OPT STEM work authorization status.