Join to apply for the Senior Mechanical Engineer, Device role at World . Get AI-powered advice on this job and more exclusive features. About The Company

Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. World is a network of real humans, built on privacy-preserving proof-of-human technology, and powered by a globally inclusive financial network that enables the free flow of digital assets for all. It is built to connect, empower, and be owned by everyone. About The Team The Device Team at Tools for Humanity is responsible for all aspects of driving the Supply Chain, Manufacturing, Logistics, Physical Security, Field Operational Compliance, and Technical Support of our hardware devices reaching billions globally. We are a rapidly growing, cross-functional team partnering with industrial design, optics, software, market operations, and finance to define product requirements and execute development. Join us to contribute to operational excellence, with competitive pay, professional growth, and a collaborative environment. About The Opportunity Tools for Humanity seeks a creative mechanical engineer to support product development from research through manufacturing, aiming to design innovative, reliable, and manufacturable mechanical components and systems for high-quality, visually appealing products. Core Responsibilities Design components and systems based on product requirements Manage full lifecycle product development (design, test, manufacture, implement) Collaborate with Industrial design, Electrical engineering, and Supply chain teams Create outline designs and evaluate theoretical concepts Build prototypes, conduct experiments, analyze data, interpret results Modify designs to meet requirements and resolve issues Evaluate product performance, reliability, and safety Work with Supply Chain/Production to improve manufacturability Material selection and cost estimation Prepare detailed product and component documentation About You Proven experience in mechanical engineering Experience with FEA, CFD, and PLM Hands-on with 3D design tools (SolidWorks, PTC Creo) Creative and analytical mindset Strong understanding of mechanics, kinematics, thermodynamics, materials science Experience designing injection molded components Bachelor’s or Master’s in mechanical engineering or related field Excellent communication and collaboration skills Proficient in English, with strong written/verbal skills Driven with a strong work ethic Nice-to-Haves Experience with electronic devices in tech industry Start-up experience What We Offer Open office in downtown SF Unlimited PTO Phone reimbursement or company device In-office meals Top-tier health insurance 401k with employer match The estimated salary ranges from $150,000 to $250,000 plus incentives, based on skills and experience. Benefits include healthcare, dental, vision, mental health, 401(k), life insurance, flexible time off, commuter benefits, and professional development stipends. If passionate about designing innovative hardware components and systems, apply now at Tools for Humanity to shape the future of the global economy. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Technology, Information and Internet

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