Top 3872 Development Test Engineer Jobs in San Jose, CA

Ultrasound Engineer
Mellow Labs —Mountain View, CA
- $130,000 - $210,000 a year
- Full-time
- Hybrid work
- Mentoring
- Manufacturing
- Senior level
- Health savings account
- Paid time off
Quick Apply
1d
Electrical Test Engineer
TMP Worldwide India Private Limited for ERS US —San Jose, CA
- $71,000 - $108,000 a year
- Email
- Laboratory experience
- In-person
- Senior level
- AD&D insurance
- Paid holidays
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Electro-mechanical Test Technician
Maxonic, Inc. —Milpitas, CA
- Up to $37 an hour
- Extended hours
- English
- Mid-level
- Ability to lift 50 pounds
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4d
System QA Engineer
TMP Worldwide India Private Limited for ERS US —Cupertino, CA
- $83,000 - $110,000 a year
- Email
- Computer science
- Computer Science
- Bachelor of Science
- AD&D insurance
- Paid holidays
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534055-NVMe Test Engineer
The Norland Group —San Jose, CA
- $65 - $70 an hour
- Contract
- Pass drug screening
- Analysis skills
- Continuous improvement
1d
Test Engineer
ISE LABS INC AND SUBSIDIARY —San Jose, CA
- $100,000 - $120,000 a year
- Full-time
- Computer Science
- Mid-level
- 3 years
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Noise Vibration and Harshness Test Engineer 2/3
Northrop Grumman —Sunnyvale, CA
- $91,800 - $171,000 a year
- Extended hours
- Mid-level
- Bachelor's degree
- Doctor of Philosophy
- Paid holidays
- Disability insurance
Principal Mission / Systems Engineer
Collins Aerospace —San Jose, CA
- $118,300 - $224,900 a year
- Weekends as needed
- 8 years
- Travel
- Linux
- Paid holidays
- Loan repayment program
Software Engineer - Core Systems and Storage Roles (Multiple Individual Contributor Levels)
NetApp —San Jose, CA
- $120,000 - $280,000 a year
- Computer science
- Azure
- Computer Science
- Employee stock purchase plan
- Health insurance
Hardware Verification Engineer, Entry Level
Synopsys —Sunnyvale, CA
- $90,000 - $136,000 a year
- Contract
- Computer science
- Computer Science
- Master's degree
Software Development Engineer - Test
Apple —Sunnyvale, CA
- $150,400 - $277,600 a year
- Bachelor of Science
- Mid-level
- Bachelor's degree
- Employee stock purchase plan
- Health insurance
8d
Software Development Engineer in Test - Battery Life
Apple —Cupertino, CA
- $150,400 - $277,600 a year
- Computer science
- Computer Science
- Mid-level
- Employee stock purchase plan
- Health insurance
ATE Test Development Engineer
NVIDIA —Santa Clara, CA
- $100,000 - $207,000 a year
- Full-time
- Mid-level
- Analysis skills
- Continuous improvement
Tools and Automation Engineer - Agentic OS Experiences
Apple —Cupertino, CA
- $175,500 - $311,700 a year
- Computer science
- Computer Science
- 5 years
- Employee stock purchase plan
- Health insurance
Software Development Engineer in Test,Retail and Marcom Engineering
Apple —Sunnyvale, CA
- $150,400 - $277,600 a year
- Computer Science
- 5 years
- System design
- Employee stock purchase plan
- Health insurance
Software Development Engineer Test - Customer Systems
Apple —Sunnyvale, CA
- $150,400 - $277,600 a year
- Computer science
- Computer Science
- Bachelor of Science
- Employee stock purchase plan
- Health insurance
Software Development Engineer in Test - Apps, Identity Management Services
Apple —Sunnyvale, CA
- $184,700 - $277,600 a year
- Computer science
- Computer Science
- 5 years
- Employee stock purchase plan
- Health insurance
Senior SWQA Test Development Engineer
NVIDIA —Santa Clara, CA
- $168,000 - $322,000 a year
- Full-time
- Computer Science
- Bachelor of Science
- 8 years
Hardware Test Engineer - Silicon Validation
NVIDIA —Santa Clara, CA
- $132,000 - $207,000 a year
- Full-time
- Software troubleshooting
- 5 years
- Linux
10d
Jr. Product Test Engineer
Lewiz communications —San Jose, CA
- Linux
- Electrical Engineering
- Communication skills

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Ultrasound Engineer

Mellow Labs
Mountain View, CA

Quick Apply

Job Details

Full-time | Contract
$130,000 - $210,000 a year
1 day ago

Benefits

Stock options
Health savings account
Paid time off
Professional development assistance
Flexible schedule

Qualifications

Developing medical devices
Managing medical device teams
Performance testing in mechanical engineering
Ultrasound imaging
ISO standards
Electrical system design
Material selection and characterization
Electrical performance testing
System design for system development
Managing engineering teams
Mentoring
Design engineering
Leading team collaboration initiatives
FEA
Engineering product development
Design controls
Biomedical regulatory compliance
Medical devices electrical engineering expertise

Full Job Description

About the role

We are developing a miniaturized focused ultrasound (FUS) medical device and are hiring a Lead Ultrasound Engineer to own the acoustic heart of it. This is a hands-on technical leadership role: you will design and build custom piezoelectric transducers, manage the curation of the device as it evolves from prototype to product, and drive the engineering trade-offs that make precise focused ultrasound possible in a genuinely small form factor.

The role spans the full arc of device development — piezo materials and acoustic stack design, focusing and targeting, fabrication and iteration, rigorous testing and characterization, and deep R&D into what the next architecture should be. You will work shoulder to shoulder with electrical, mechanical, firmware, and clinical teams to integrate the acoustic front end into a complete system, and you will be accountable for its performance, safety, and manufacturability.

What you'll do

Design and build custom piezoelectric transducers for focused ultrasound — material selection (PZT, single crystal, composites), element geometry and array design, matching and backing layers, and acoustic stack optimization for efficient, precise energy delivery.
Manage the curation of the device: own the evolving device architecture, component and material selection, BOM, and supplier relationships as the design matures from bench prototype toward a manufacturable medical device.
Lead the miniaturization effort — drive size, power, and performance trade-offs across the transducer, drive electronics, interconnects, packaging, and enclosure to reach a compact, patient-friendly form factor without compromising focal precision or safety.
Build and run the testing program: acoustic characterization (hydrophone field mapping, focal pressure and beam profiling, electrical impedance), tissue-mimicking phantom testing, thermal and cavitation safety verification, and design V&V aligned with medical device standards.
Conduct hands-on R&D — prototype novel transducer and focusing architectures, model acoustic propagation, evaluate emerging materials and steering approaches, and turn findings into clear roadmap decisions.
Partner closely with electrical, mechanical, firmware, and clinical teams to integrate the transducer with drive and control electronics and the full device system.
Set technical direction for ultrasound engineering — run design reviews, document decisions, mentor engineers, and raise the bar on rigor across the hardware team.

What we're looking for

4+ years of engineering experience in therapeutic ultrasound, with significant hands-on transducer development that has shipped in real products or clinical systems; focused ultrasound experience strongly preferred.
Deep expertise in piezoelectric transducer design and fabrication — piezo materials, acoustic stack modeling (KLM, FEA tools such as COMSOL or OnScale/PZFlex), focusing and lensing, matching, and backing design.
Strong command of acoustic test and characterization methods: hydrophone field mapping, beam profiling, impedance analysis, and acoustic output and exposure measurement (ISPTA, MI/TI, IEC 62555/61161).
Understanding of therapeutic ultrasound physics — tissue attenuation and aberration, standing waves, and thermal and cavitation safety margins.
Experience developing devices under medical device design controls (ISO 13485) and familiarity with relevant standards such as IEC 60601 and FDA guidance for ultrasound devices.
A track record of miniaturizing complex electromechanical or medical devices — dense interconnects, flex circuits, packaging, and thermal constraints in small form factors.
Proven technical leadership: driving architecture decisions, mentoring engineers, and being accountable for outcomes across a multidisciplinary team.
Pragmatic judgment about when to build, when to buy, and when to keep it simple.

Nice to have

Prior work on focused ultrasound therapy systems (LIFU) or phased-array beam steering.
Experience with MEMS-based ultrasound (pMUT/cMUT) or other emerging transducer technologies.
Familiarity with acoustic simulation tools (k-Wave or similar) and image-guided or sensor-guided targeting.
Hands-on work with wearable or compact medical devices and their unique power, ergonomic, and regulatory constraints.
Cleanroom fabrication experience and design-for-manufacturing work with contract manufacturers.

Why We Exist

Mental health is an epidemic that's getting worse day by day. Depression, anxiety, ADHD, suicide, and PTSD are at an all-time high. This needs to change. We humans were not made for this sort of life. We were never designed for the sedentary, indoor, socially isolated, fast-food-laden, sleep-deprived, frenzied pace of modern life. We are being robbed by the same tech that was meant to add value to our lives. It's time for a change.

Our team at Mellow Labs is building the future of mental health by bridging the gaps between science and mental health. Our aim as an organization is to create systemic impact, especially in underrepresented populations. We are currently building for women's brain health, as it's an area with poor clinical and scientific validation.

1993 — the first-ever clinical trials were conducted on women. 1996 — the first-ever brain scans on women. Only 1% of all brain scans represent a woman's brain, and our team wants to change that by bringing neurotechnology to women to improve their mental health.

The Team You’ll Join

You’ll work alongside a world-class mental health team — neuroscientists, clinicians, researchers, and engineers who have dedicated their careers to understanding the brain and closing the gender gap in brain health. This means your day-to-day includes conversations most developers never get to have: reviewing features with scientists who study the very signals your app displays, and building alongside people who deeply understand the problem you’re solving.

We’re a small, mission-driven team, which means your voice carries. You won’t be a ticket-taker — you’ll help shape the product, the architecture, and the company itself.

Why join

You will own the core technology of the device — from the piezo elements up — with real ownership, direct clinical impact, and the autonomy to set both the technical direction and the standard for the team around you.

Mellow Labs is an equal opportunity employer. We welcome applicants of all backgrounds and are committed to an inclusive hiring process.

Pay: $130,000.00 - $210,000.00 per year

Benefits:

Flexible schedule
Health savings account
Paid time off
Professional development assistance
Stock options

Work Location: Hybrid remote in Mountain View, CA 94041

Quick Apply

Refine Your Search

Development Test Engineer jobs in San Jose, CA

Ultrasound Engineer

Electrical Test Engineer

Electro-mechanical Test Technician

System QA Engineer

534055-NVMe Test Engineer

Test Engineer

Noise Vibration and Harshness Test Engineer 2/3

Principal Mission / Systems Engineer

Software Engineer - Core Systems and Storage Roles (Multiple Individual Contributor Levels)

Hardware Verification Engineer, Entry Level

Software Development Engineer - Test

Software Development Engineer in Test - Battery Life

ATE Test Development Engineer

Tools and Automation Engineer - Agentic OS Experiences

Software Development Engineer in Test,Retail and Marcom Engineering

Software Development Engineer Test - Customer Systems

Software Development Engineer in Test - Apps, Identity Management Services

Senior SWQA Test Development Engineer

Hardware Test Engineer - Silicon Validation

Jr. Product Test Engineer

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