refresh

Trending companies

Trending companies

Microsoft
Microsoft

Empowering every person and organization on the planet to achieve more.

Principle Firmware Engineer

RoleEmbedded
LevelMid Level
LocationSuzhou, China
WorkOn-site
TypeFull-time
Posted3 months ago
Apply now

Required skills

Embedded Firmware Development

Low-Power Design

Real-Time Systems

Bluetooth

Wi-Fi

Audio Processing

Sensor Integration

Overview
We are building the next generation of intelligent consumer devices, combining advanced hardware, connectivity, and AI to create seamless everyday experiences. Our team brings together specialists in acoustics, sensing, and system design, united by the goal of pushing the boundaries of what small, low-power devices can achieve.

As a firmware engineer on our team, you will play a key role in enabling real-time intelligence on resource-constrained hardware. Your work will involve designing and optimizing embedded systems, integrating sensors and connectivity modules, and ensuring ultra-low-power performance without compromising user experience. You will collaborate closely with cross-disciplinary experts in hardware, software, and AI to bring innovative ideas from prototype to product.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

  • You’ll ensure wake word recognition is implemented and optimized at the firmware level for responsive on-device AI.
  • You’ll develop and maintain firmware for Bluetooth and Wi-Fi modules, enabling seamless device connectivity.
  • You’ll handle real-time processing of audio and visual data, optimizing performance and power efficiency on embedded hardware.
  • You will work with partners to debug and fine-tune the device firmware, as well as optimize and review the firmware code.
  • You’ll help implement high-performance solutions across teams while maintaining a quality checklist with help from other engineers. You’ll also monitor telemetry data and perform basic analyses under guidance to triangulate failures.
  • You will respond to incidents by identifying the level of impact, troubleshooting basic issues, and deploying appropriate fixes. You’ll also develop an understanding of prescriptive guidance for security, privacy, and compliance standards.
  • You will share information across disciplines within your feature team. You’ll also support your work with others by managing dependencies and actively seeking out essential information.
  • You will improve the development and operations of systems, platforms, or product features by actively seeking to develop an understanding of key learnings, insights, and best practices. You’ll do this by participating in design reviews, incident drills and debriefs, and regular meetings.

Qualifications

  • Bachelor's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience

    • OR Master's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience
  • OR Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience

  • OR equivalent experience.

  • Strong experience developing embedded firmware on So Cs from Realtek, BES, Qualcomm, or similar platforms, with deep understanding of low-power and real-time constraints.

  • Proven experience in firmware development for wearable devices such as smart glasses or TWS earbuds, including audio, sensor, and connectivity modules.
    #MicrosoftAI

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Total Views

0

Total Apply Clicks

0

Total Mock Apply

0

Total Bookmarks

0

About Microsoft

Microsoft

Microsoft

Public

Microsoft Corporation is an American multinational technology conglomerate headquartered in Redmond, Washington.

10,001+

Employees

Redmond

Headquarters

$3000B

Valuation

Reviews

10 reviews

4.4

10 reviews

Work-life balance

3.2

Compensation

4.1

Culture

4.3

Career

3.8

Management

4.0

82%

Recommend to a friend

Pros

Cutting-edge technology and innovative projects

Great team culture and collaborative atmosphere

Excellent benefits and competitive compensation

Cons

Heavy workload and frequent overtime

High expectations and stressful environment

Bureaucratic processes can be slow

Salary Ranges

5,620 data points

Senior/L5

Senior/L5 · Account Management

5 reports

$209,483

total per year

Base

$181,941

Stock

-

Bonus

-

$194,895

$209,483

Interview experience

1 interviews

Difficulty

4.0

/ 5

Duration

14-28 weeks

Experience

Positive 0%

Neutral 0%

Negative 100%

Interview process

1

Application Review

2

Recruiter Screen

3

Technical Phone Screen

4

Onsite/Virtual Interviews

5

Team Matching

6

Offer

Common questions

Coding/Algorithm

System Design

Behavioral/STAR

Technical Knowledge