Staff product engineer (fullstack) (IC-4)

Role Overview

Staff Product Engineer (Fullstack) at Moxie - a senior technical leadership position (IC-4 level) focused on architectural ownership, cross-team technical leadership, and execution of complex, business-critical initiatives. This is a hands-on role with significant influence over technical direction, standards, and best practices, though without direct people management responsibilities.

Key Responsibilities

Technical Leadership & Architecture

• Own and evolve major parts of Moxie's frontend and backend architecture, balancing short-term delivery with long-term scalability, reliability, and developer velocity
• Lead technical design and architectural reviews for complex, cross-cutting initiatives
• Identify systemic risks and technical bottlenecks, and proactively drive solutions that improve platform stability and performance
• Help define and maintain engineering standards, patterns, and best practices across teams

Fullstack Development

• Act as a hands-on technical leader working on the highest-impact and highest-complexity problems across the stack
• Drive architecture and implementation primarily in your area of deep expertise (frontend or backend), while contributing meaningfully across the full stack as needed
• Design and implement performant, scalable frontend experiences using React, TypeScript, GraphQL, and Next.js
• Build and evolve backend systems in Python and Django, integrating with internal services and third-party vendors
• Ensure systems are observable, reliable, and operable in production

Cross-Team Collaboration

• Partner with product, design, and engineering leadership to translate business goals into clear technical strategies and execution plans
• Drive alignment across teams on shared abstractions, APIs, and platform-level initiatives
• Serve as a trusted technical advisor, helping teams make sound tradeoffs under real-world constraints

Mentorship & Engineering Excellence

• Mentor and coach engineers across the organization
• Establish and champion engineering excellence standards

Requirements

• Deep expertise in at least one half of the stack (frontend or backend)
• Working experience across the full stack, enabling effective collaboration, design, and execution end-to-end
• Strong technical leadership and architectural thinking
• Experience with production systems at scale
• Ability to mentor and influence across teams

Nice-to-Haves

• Deep expertise across both frontend and backend
• Experience with SaaS platforms
• Experience with healthcare or regulated industries

Work Arrangement

• Location: Fully Remote (Work from Home)
• Hours: Core overlap with 9 AM – 5 PM EST (flexible schedules between 7 AM – 8 PM EST)
• Type: Full-time