Hardware Engineer – Physical Product Design

Rythm

. Take design briefs, rough concepts, and product requirements and develop them into detailed 3D models with a clear path to production .

Posted 10/10/2026full-timeRemote • United StatesSeniorLead💰 $150,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing medical-grade products and injection molds, with advanced proficiency in SolidWorks and Fusion 360. Capable of managing projects from concept through production, ensuring designs meet safety and reliability standards.

Highest-signal resume keywords

Medical-Grade Product DesignInjection Mold DesignSolidWorks ProficiencyMold Flow AnalysisPrototyping and Iteration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

3D ModelingProduct EngineeringInjection MoldingDesign ValidationMechanical Engineering

Soft Skills

Attention to DetailProject ManagementCollaborationCuriosityAdaptability

Tools & Technologies

SolidWorksFusion 360

Industry Keywords

Medical Device DevelopmentConsumer Product EngineeringPrototypingDesign RequirementsManufacturing Constraints

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Take design briefs, rough concepts, and product requirements and develop them into detailed 3D models with a clear path to production
Translate design intent into precise, buildable engineering
Create parts ready for injection molding, accounting for materials, tolerances, draft, wall thickness, and assembly
Design injection molds and work through production details
Run mold flow analysis to predict filling, cooling, and part performance, then refine designs
Build mockups and prototypes for early design review and testing
Iterate designs based on prototype feedback until product goals are met
Own projects from concept through revisions, validation, and production-ready designs
Collaborate with design and manufacturing teams on practical production requirements
Ensure products are safe, reliable, and built to last
Review product performance in production and use, applying lessons to future designs

Requirements

What you’ll need

Hands-on experience designing medical-grade products or medical devices; mandatory for the role
7–10 years of experience in product engineering or physical product design
Advanced proficiency in SolidWorks and Fusion 360
Hands-on experience designing parts and molds for injection molding
Experience running mold flow analysis and using the results to improve a design
Portfolio or examples of products designed and taken into production, with a clear explanation of contribution
Experience building mockups and prototypes and guiding a product through many rounds of iteration
Ability to listen closely to design requirements and execute on them with precision
Practical judgment balancing design intent with manufacturing constraints
Comfort working independently and owning projects end to end
Comfort receiving feedback, revising work, and staying aligned with an established product vision
Curiosity and willingness to build deep knowledge of the company, products, and customers
Follow-through and ability to manage multiple projects, prototypes, and deadlines
Background in mechanical engineering, industrial design, medical device development, or consumer product engineering

Benefits

Comp & perks

Meaningful equity aligned with the scope and impact of your role
Flexible, remote-first work environment
Generous Paid Time Off and company holidays
401(k)
Monthly Rythm membership with full access to at-home blood testing and personalized health insights
Healthcare with monthly premium fully covered by the business
High ownership and visibility from day one, with the opportunity to make a meaningful impact
The chance to help shape the future of personalized health and preventative care
A small, collaborative, mission-driven team that moves quickly and values great ideas regardless of title