Staff Mechanical Engineer

New York City, NY - USA

Monthly Salary: $ 110000 - 200000

Posted on: 09-11-2025

Vacancies: 1 Vacancy

Job Summary

Welcome to Fi.

Were a passionate team from Square Google Peloton Uber and more working to transform the dog-human relationship. Our mission Develop cutting-edge technology to revolutionize what it means to be a dog parent. The dog industry remains firmly stuck in the past and we are here to change that. Fi is leveraging our teams talent and expertise to improve the lives of the millions of dogs in the U.S. Real-time location tracking activity sleep and behavior monitoring and thats just the beginning.

The most exciting aspect of our work Bridging the communication gap between dogs and humans. Imagine a world where everyone knows how their dog feels in real time and how to keep their best friend in good shape. Thats the future were building at Fi.

If youre someone who thrives in innovative collaborative work environments and feels strongly about helping dogs live longer better lives Fi could be the perfect fit. Join us in our pursuit of the impossible or as we call it here let me find a way to redefine the future of dog ownership together.

Fi is looking for a Staff Mechanical Engineer!

Were looking for a Staff Mechanical Engineer to own the design and execution of Fis hardware products. You will play a key role in shaping product-level design from concept through mass production and set a high bar for mechanical engineering on the team.

This role is ideal for someone with deep fundamentals in consumer electronics who also knows how to be scrappy and make smart tradeoffs in a startup environment. The right candidate will be capable of growing into a leadership role over time guiding others and influencing the direction of Fis mechanical engineering function.

What Youll Do:

Lead product mechanical designs: Drive the development of rugged compact high-performance hardware for Fi productsfrom early concepts through global mass production.
Prototype and iterate quickly: Build and evaluate prototypes at every stage of development from 3D-printed proof-of-concept parts to fully functional pre-production builds. Use hands-on testing and iteration to rapidly validate designs.
Set the standard: Establish best practices in design documentation and testing raising the technical bar.
Work with suppliers: Collaborate directly with overseas tooling and molding partners (including on-site involvement in China) to drive DFM tooling validation and production optimization.
Hands-on problem solving: Debug molding machine parameters troubleshoot production challenges and ensure finishing quality to get designs successfully to market.
Reliability ownership: Define and execute product reliability testingdeciding what should be tested and how to design effective tests.
Cross-functional collaboration: Partner with industrial design electrical engineering and firmware teams to deliver balanced designs that meet technical aesthetic and user needs.
Innovate in wearables and IoT: Push the limits in advanced antenna integration waterproofing and device miniaturization without sacrificing durability.

What You Bring to the Table:

Experience: 10 years in mechanical engineering for high-volume consumer electronics wearables or IoT products ideally with startup experience.
Expertise: Deep fundamentals in plastic and metal part design (Solidworks CAD preferred) with hands-on experience in injection molding die casting MIM stamping machining and adhesives.
Prototyping chops: Strong experience with 3D printing machining and other rapid prototyping methods to validate designs quickly.
Supplier collaboration: Proven success working closely with overseas vendors including on-site work with Chinese-speaking partners. Strong communication skills to bridge technical details and cultural nuance.
Analytical ability: Skilled at estimating performance before prototyping using FEA hand calculations and engineering judgment.
Reliability focus: Experience designing and executing reliability and validation testing for consumer electronics.
Product-level ownership: End-to-end experience leading the mechanical design of entire products from industrial design collaboration to sustaining engineering.
Adaptability: Comfortable balancing best-practice rigor with the speed and tradeoffs of a fast-paced hardware startup.
Dog lover: Our NYC office is dog-friendlyyour toughest beta testers are right here.

Why Youll Love Us:

Time to Recharge: Enjoy flexible PTO to take the breaks you need.
Top-Notch Health Coverage: Weve got your back (and teeth and eyes) with full medical dental and vision insurance.
Wellness Perks:Free access to One Medical Kindbody and Talkspace to keep you feeling your best.
Give Back to the Pups: Make tails wag with a $500 annual donation to a dog charity of your choice through our BarkBack Program.
Free Fi Membership: Your furry best friend(s) get all the benefits of a Fi collar on us!
Love for Friends Family: Share the Fi magic with loved ones through our gifting program.

$115000 - $200000 a year

The anticipated base salary range for this position is $110000$200000. Actual compensation will vary based on multiple factors including skills experience market conditions and role scope which may evolve during the hiring process. As a fast-growing Series B startup Fi evaluates compensation opportunistically to align with the right candidate. This role is also eligible for equity compensation.

Fi is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race color sex religion sexual orientation national origin disability genetic information pregnancy or any other protected characteristic as outlined by federal state or local laws. This policy applies to all employment practices within our organization including hiring promotion termination layoff recall leave of absence compensation benefits training and apprenticeship. Fi makes hiring decisions based solely on qualifications merit and our needs at the time.

Required Experience:

Staff IC

Welcome to Fi.Were a passionate team from Square Google Peloton Uber and more working to transform the dog-human relationship. Our mission Develop cutting-edge technology to revolutionize what it means to be a dog parent. The dog industry remains firmly stuck in the past and we are here to change th...