Staff Software Engineer – Frontend, UI

Job not on LinkedIn

🕒 October 30

🌐 United States, Canada – Remote

🇺🇸 United States – Remote 🇨🇦 Canada – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 12%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Function Health

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2022

🏥 Healthcare

👥 B2C

🔥 Funding within the last year

💰 $450M Debt Financing on 2026-07

Healthcare • B2C

Function Health is a consumer-focused healthcare company that provides comprehensive, subscription-based diagnostic testing and imaging services. For $365/year it offers 160+ lab tests (performed at 2,000+ labs or via mobile phlebotomy) and access to MRI/CT imaging, with results explained by physicians and supported by AI and tools to share with clinicians. The service is HSA/FSA-eligible and emphasizes early detection and longitudinal monitoring of hundreds to thousands of conditions through recurring testing and clinician interpretation.

📋 Description

• Lead the architecture, design, and development of modern web and mobile applications • Build intuitive, performant, and highly polished user experiences using React and React Native • Establish frontend best practices around component architecture, state management, testing, accessibility, and performance • Drive the evolution of the design system and shared UI component libraries • Own complex features end-to-end, from user interface development through backend services and APIs • Collaborate with product, design, data, and clinical teams to transform ideas into exceptional customer experiences • Design and implement scalable APIs and services powering member-facing applications • Contribute to technical decisions across frontend, backend, infrastructure, and data systems • Champion frontend performance, responsiveness, accessibility, and reliability • Optimize application performance across web and mobile platforms • Leverage analytics and user feedback to improve product experiences • Provide architectural guidance and technical mentorship across the engineering organization • Lead high-impact initiatives from concept through launch • Drive engineering standards, code quality, and best practices • Evaluate emerging technologies and development approaches • Develop AI-powered health analysis tools and enhance integration of wearable, medical record, and other health data sources

🎯 Requirements

• 10+ years of software engineering experience, including significant experience building customer-facing products • Proven success leading complex technical initiatives in high-growth or startup environments • Experience balancing hands-on development with technical leadership and mentorship • Deep expertise in JavaScript/TypeScript and modern frontend development • Extensive experience with React and modern frontend architectures • Strong understanding of design systems, component libraries, state management, accessibility (WCAG), performance optimization, frontend testing frameworks, and modern build and deployment tooling • Experience building highly interactive, data-rich user interfaces • Understanding of mobile architecture, performance optimization, and platform-specific considerations • Experience designing and building APIs and backend services • Strong proficiency with Python or similar backend technologies • Ability to comfortably work across the entire application stack • Experience integrating third-party services and external data platforms • Strong product instincts and a passion for creating exceptional user experiences • Ability to balance technical excellence with business impact • Experience collaborating closely with Product and Design teams • Strong understanding of Agile development methodologies, test-driven development, continuous integration and deployment, software architecture principles, and scalable system design • Commitment to writing maintainable, high-quality code

🏖️ Benefits

• Competitive salary and benefits package • Flexible working hours • Dynamic work environment where creativity and innovation are encouraged • Diverse and inclusive workforce • Equal opportunity employment

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