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Embedded Firmware Engineer, BMS

  • On-site
    • Sunnyvale, California, United States
  • Hardware Engineering

Job description

Target start date: Immediately. Relocation provided.

Since its founding in 2015, 1X has been at the forefront of developing advanced humanoid robots designed for household use. Our mission is to create an abundant supply of labor via safe, intelligent humanoids.
We strive for excellence in all we do, solving some of the hardest problems in robotics with the world’s most talented individuals. Every part of our robots is designed and produced in-house—from motor coils to AI—reflecting our vertically integrated approach. At 1X, you’ll own real projects, be recognized for your achievements, and rewarded based on merit.
We believe the best work is done when collaborating and therefore require in-person presence in our office locations.


As we scale from research and development to full-scale manufacturing, we are looking for a Embedded Firmware Engineer, BMS to join to our team. In this role, you will be responsible for developing the next generation Battery Management System (BMS) for our biped robot NEO. Collaborating closely with other hardware- and software-teams, you will play a vital role in everything from design to mass manufacturing. The ideal candidate will have a background in developing battery systems for robotics, automotive or consumer products, with extensive expertise and experience in bringing battery development from concept to production. We are looking for individuals with hands-on experience, and a proactive "get-things-done" attitude, who excel in both long-term strategic planning and day-to-day execution of practical tasks.


What You’ll Get By Joining Our Team

  • Develop a battery system for a humanoid robot from scratch.
  • Gain experience with cutting edge technology and improve all aspects of your technical skills.
  • See your work being deployed in a highly disruptive space such as humanoids in the home.


Why this job is exciting

Every day is different! You will get to

  • Own a core part of the humanoid management system.

  • In time, your software will run on thousands of humanoids performing tasks in diverse environments, globally.

  • You’ll be working with a 50+ DoF biped, with hands, all driven by motors we design and manufacture in-house.

Within one month, you will…

  • Get acquainted with the company’s BMS products, tools, and team; start contributing to small tasks.

  • Get to know our humanoid NEO and why the BMS is such a central system for its performance and safety.

Within three months, you will…

  • Take ownership of specific software modules; collaborate on software-hardware integration and testing.

  • Suggest improvements to development processes and contribute to project planning.

Within one year, you will…

  • Lead the development of significant BMS software components.

  • Optimize BMS software for performance and reliability.


Responsibilities:

  • Architecture and firmware development for NEO's BMS and digital power distribution controller.

  • Implement real-time control algorithms, safety mechanisms, and communication protocols (e.g., CAN, LIN, SPI, I2C) for efficient battery monitoring and control.

  • Develop software for battery state estimation, including State of Charge (SoC), State of Health (SoH), and State of Power (SoP).

  • Support the rest of the battery team on battery cell evaluation and testing.

  • Drive features in the higher level robot software safety layer.

Job requirements

Must-Haves:

  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field.

  • 2+ years of experience in embedded software development with a focus on Battery Management Systems and power electronics.

  • Proficiency in embedded C/C++ programming.

  • Strong understanding of battery technologies (Li-ion, Li-Polymer, etc.) and battery management principles.

  • Experience with communication protocols like EtherCAT, CAN, LIN, SPI, I2C, and/or Modbus.

Nice-To-Haves:

  • Understanding of functional safety standards that apply for batteries in consumer electronics.

  • Strong analytical skills with the ability to troubleshoot and debug complex software and hardware issues.

  • Experience in PCB design.

We seek the world's most talented individuals with a passion for inventing and building a more prosperous future. At 1X you'll get to own real projects and be rewarded for your achievements and output. We hire, recognize and reward based on merit. We believe the best work is done when collaborating and therefore require in-person presence.

Location
We believe the best work is done when collaborating and therefore require in-person presence in our office locations.
Sunnyvale, CA
We are in the heart of the SiIlicon Valley in a commuter-friendly location with plenty of parking, access to 101 or 280. If you prefer public transportation, Orange Line (VTA) light rail station is across the street. Living in the Bay Area, you will have access to many activities available in its proximity from surfing in Half Moon Bay to skiing at Tahoe, wine tasting in Napa, hiking on the many trails or other sports activities on the many tennis courts, golf courses, etc..If you are relocating to Sunnyvale, we offer a comprehensive relocation package to support you and handle the logistics of your move.

Typical Interview Process

  • Introductions - interviews to learn more about you and talk about 1X and the role

    • Interview with a member of the Talent Acquisition team

    • Hiring manager / senior team member / technical interview

  • Team interviews - technical interviews and deep-dives with team members. May include a take home challenge, presentation or problem-solving exercise

    • Technical deep-dive conversation with a team member

    • Onsite interviews with team members

  • Final Interview Stage - we move you to our final round

    • Expectation management with the hiring manager

    • We will conduct reference checks

    • Job offer conversation

Depending on the role and your background, additional interviews may be added.

You are also welcome to request additional conversations with anyone you would like to meet, but didn’t get to meet during the interview process.


A value driven team

These are the ideas that express our team’s culture and how we work:

Be Nice

Collaboration is our driving force. Our team creates an open, trusting environment where everyone can be their most creative.

Stay Smart

A world-changing team needs the brightest minds in every discipline. This is where people come to work, learn, and grow to their full potential.

Make History


Everything we do gets us closer to one ambitious vision: Creating an Abundant Supply of Labor using Safe, Intelligent Humanoids. We believe what we build today will impact generations.



Not sure if this is you?

If you’re excited about this role, but you’re not sure if you qualify, apply anyway! You may be just the right candidate for this or other roles.


1X is an inclusive and equal-opportunity employer that values diversity. We consider all qualified applicants regardless of race, religion, gender, age, sexual orientation, disability, or any other protected class. If you have a disability or special need that requires accommodation, please don't hesitate to let us know during the interview process. We will do our best to accommodate your needs.

We're excited to have you on board!


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Our mission is to design Androids that work alongside people, to meet the world’s labor demands and build an abundant society.

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