ABOUT THE COMPANY
World is building a real human network designed to accelerate people in the age of AI. As bots and autonomous agents reshape the internet, people, institutions, and applications need a trusted way to verify real humans while preserving privacy.
Our core products:
- Orb – Verifies real people
- World ID – Confirms identity privately
- World App – Enables and distributes new applications using this technology
Together, these form a new layer for the AI internet, powering safer and more human-centered online experiences.
We are one of the fastest-growing tech networks, with over 17 million people across 160 countries verified and 350,000 verifications per week. World App is among the most used wallets globally, and developers are integrating World ID to create spaces where real people can participate, earn, and be recognized in ways AI cannot replicate.
Founded in 2019 and launched globally in 2023, World has a team of 400+ professionals from hardware, software, AI, cryptography, mobile engineering, and global operations. Team members have backgrounds at OpenAI, Tesla, SpaceX, Apple, Google, Stripe, Meta, Coinbase, Palantir, and MIT Media Lab.
World is backed by leading investors such as a16z, Khosla Ventures, Bain Capital Crypto, Blockchain Capital, Variant, Tiger Global, and Coinbase Ventures.
Recognition & Media:
- TIME Magazine Cover: TIME
- Fast Company Next 5 in Fintech: Fast Company
- Bloomberg Deep Dive: Bloomberg
- The New York Times: NYT
- Bankless Podcast: YouTube
- TechCrunch Feature: TechCrunch
Learn about the newest product launches: Unwrapped Event
This opportunity is with Tools for Humanity.
ABOUT THE TEAM
The Device Team at Tools for Humanity is responsible for:
- Supply Chain, Manufacturing, Logistics, Physical Security, Field Operational Compliance, and Technical Support of our hardware devices
- Partnering with industrial design, optics, software, market operations, and finance teams
- Defining product requirements and executing development to reach billions of users globally
We are a rapidly growing, cross-functional team focused on operational excellence.
ABOUT THE OPPORTUNITY
Role: Mechanical Engineer – Hardware Devices
You will support products across research, design, prototype manufacturing, and handover to contract manufacturers, ensuring the delivery of innovative, reliable, and manufacturable mechanical components and systems.
CORE RESPONSIBILITIES
- Design components and systems based on product requirements
- Perform full lifecycle product development: design, test, manufacture, and implement
- Collaborate with Industrial Design, Electrical Engineering, and Supply Chain teams
- Produce outline designs and evaluate theoretical concepts
- Build prototypes, conduct experiments, analyze data, and interpret results
- Modify designs to meet requirements, eliminate malfunctions, and resolve emerging problems
- Evaluate final product’s performance, reliability, and safety
- Collaborate with Supply Chain/Production to improve manufacturability
- Select materials and estimate manufacturing costs
- Prepare product and component documentation
ABOUT YOU
- Proven experience in mechanical engineering
- Proficiency with Finite Element Analysis (FEA), Computational Fluid Dynamics (CFD), and Product Lifecycle Management (PLM)
- Hands-on experience with 3D engineering design and manufacturing tools (SolidWorks, PTC Creo)
- Strong analytical and creative skills
- Solid understanding of mechanics, kinematics, thermodynamics, and materials science
- Experience designing injection-molded components
- Bachelor’s or Master’s in Mechanical Engineering or Mechatronics
- Excellent communication and collaboration skills
- Proficiency in English (written and verbal)
- Strong drive to complete projects successfully
Nice-to-Haves:
- Experience in tech hardware or electronic devices
- Previous experience at a fast-moving startup
COMPENSATION & BENEFITS
Estimated Salary (SF-based): $200,000 – $250,000 + competitive long-term incentives and potential variable compensation
Benefits Include:
- Open, collaborative office space in downtown SF
- Unlimited PTO
- Monthly phone reimbursement or company device
- In-office meals
- Top-tier medical, dental, and vision insurance
- 401(k) + employer match
- Life insurance
- Flexible time off, commuter benefits, professional development stipend
Join Tools for Humanity to design smart, integrated hardware systems and help shape the future of the global AI economy.
