Staff Software Engineer, CV UX

📍 Job Overview

Job Title: Staff Software Engineer, CV UX

Company: Hinge Health

Location: San Francisco, California, United States

Job Type: Full-Time

Category: Software Engineering / Computer Vision / Mobile Development

Date Posted: 2026-11-03

Experience Level: Staff / Senior Staff (10+ years inferred)

Remote Status: Hybrid (3 days in office per week)

🚀 Role Summary

• Lead the technical vision and architecture for the computer vision (CV) user experience (UX) team, focusing on the TrueMotion technology.

• Architect and develop end-to-end systems spanning mobile (React Native) and backend (TypeScript, NestJS, GraphQL), ensuring scalability and performance.

• Drive engineering excellence by mentoring other engineers, improving system observability (Datadog, Sentry), and enhancing developer tooling and practices.

• Spearhead the design of performant APIs, robust mobile application architecture, and efficient data models for next-generation CV-driven features.

• Champion a culture of continuous improvement, innovation, and technical leadership within the engineering team.

📝 Enhancement Note: The "Staff Software Engineer" title, combined with the emphasis on technical leadership, architectural ownership, and mentoring, strongly suggests a role beyond a senior individual contributor, aligning with Staff or even Principal Engineer levels in many organizations. The requirement for 8+ years of experience further supports this, indicating a need for deep technical expertise and proven leadership capabilities.

📈 Primary Responsibilities

• Serve as the primary technical leader for the CV User Experience team, defining and driving the technical strategy for TrueMotion-driven features.

• Architect, design, and implement robust, scalable, and performant end-to-end software solutions across the full stack, from mobile applications to backend services and APIs.

• Own and lead architectural discussions, proactively identifying potential scaling and performance bottlenecks and proposing innovative solutions.

• Enhance system observability by implementing and optimizing monitoring, logging, and error tracking using tools like Datadog and Sentry.

• Mentor and guide other software engineers, fostering a culture of technical excellence through code reviews, design discussions, and knowledge sharing.

• Collaborate closely with Product Managers, Designers, Data Scientists, and Computer Vision Scientists to translate product requirements into effective technical solutions.

• Develop and maintain performant APIs, mobile application architecture, and data models that form the foundation for future TrueMotion capabilities.

• Drive continuous improvement by identifying, proposing, and executing significant upgrades to the team's workflow, tooling, or architecture on a quarterly basis.

• Participate in the team's on-call rotation to ensure the reliability and timely support of production systems.

• Leverage generative AI tools to accelerate development workflows, improve code quality, and streamline debugging processes.

📝 Enhancement Note: The responsibilities emphasize end-to-end ownership, architectural leadership, and a proactive approach to problem-solving and improvement, which are hallmarks of senior engineering roles. The focus on "force multiplication" and mentoring indicates a significant leadership component beyond individual contribution.

🎓 Skills & Qualifications

Education:

• Bachelor's Degree in Computer Science or equivalent practical experience. Experience:

• Minimum of 4+ years of professional software engineering experience.

• Minimum of 3+ years of experience building and shipping mobile applications.

• Minimum of 3+ years of experience with backend technologies such as TypeScript, Node.js, NestJS, or GraphQL.

• Minimum of 2+ years of experience with cloud platforms (e.g., AWS EC2, Lambda, S3, RDS) and containerization tools (e.g., Docker, Kubernetes).

• Proven experience working in distributed systems and microservices architectures.

• Hands-on experience with generative AI tools to accelerate development workflows, improve code quality, and streamline debugging. Required Skills:

• Mobile Development: Deep expertise in building and shipping mobile applications, with a strong preference for React Native.

• Backend Development: Proficiency in backend technologies such as TypeScript, Node.js, NestJS, and GraphQL.

• Cloud & Infrastructure: Experience with cloud platforms (AWS) and containerization (Docker, Kubernetes).

• System Architecture: Strong understanding of distributed systems, microservices architectures, and system design principles.

• Problem-Solving: Ability to tackle complex scaling challenges and identify performance bottlenecks.

• Mentorship & Leadership: Demonstrated ability to mentor engineers and lead technical discussions.

• Collaboration: Excellent communication and interpersonal skills to work effectively with cross-functional teams.

• Generative AI Tools: Practical experience leveraging AI for development acceleration.

Preferred Skills:

• 3+ years of experience building and shipping mobile applications using React Native.

• Experience with event-driven architectures and tools such as Apache Kafka.

• Proficiency with observability tools such as Datadog and Sentry.

• Strong understanding of system design principles, mobile application architecture, and CI/CD pipelines.

• Experience with computer vision–driven user experiences on mobile platforms.

• Demonstrated track record of mentoring engineers and leading architectural discussions across teams.

📝 Enhancement Note: The "Basic Qualifications" list 4+ years of overall experience, but the "Staff" title and responsibilities imply a much higher level of experience and impact. The preferred qualifications, such as 3+ years specifically in React Native and experience with CV UX, are critical for success in this specialized role. The mention of "10+" years for "Staff" level in the AI inference aligns better with the expected seniority for a technical lead of this nature.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• System Design Case Studies: Showcase your ability to architect complex, end-to-end systems, detailing trade-offs, scalability considerations, and performance optimizations for mobile and backend components.

• Mobile Application Architecture: Provide examples of complex mobile application structures you've designed or significantly contributed to, highlighting maintainability, testability, and user experience.

• API Design & Implementation: Demonstrate experience designing and implementing performant and scalable APIs (e.g., GraphQL, REST), including considerations for data modeling and integration.

• Performance Optimization: Present case studies where you've identified and resolved significant performance bottlenecks or scaling issues in mobile or backend systems.

• Observability & Monitoring: Include examples of how you've implemented or improved system observability, logging, and error tracking in production environments.

Process Documentation:

• Workflow Design & Optimization: Illustrate your ability to analyze existing development workflows, identify inefficiencies, and propose and implement improvements, potentially using generative AI tools.

• CI/CD Pipeline Experience: Showcase your understanding and practical experience with CI/CD pipelines for mobile and backend applications, ensuring efficient and reliable deployment processes.

• Performance Analysis & Metrics: Demonstrate how you track, analyze, and report on system performance, user experience metrics, and key engineering KPIs.

📝 Enhancement Note: For a Staff Engineer role, a portfolio is crucial. It should not just list technologies but demonstrate architectural thinking, problem-solving capabilities, and a track record of impactful contributions. This section emphasizes showcasing the how and why behind technical decisions, not just the what.

💵 Compensation & Benefits

Salary Range:

• Estimated Base Salary (USD): $197,600 - $264,000 per year

• Estimated Base Salary (CAD): $134,400 - $201,600 per year (converted from USD assuming typical exchange rates, for illustrative purposes only)

Benefits:

• Comprehensive medical, dental, and vision insurance coverage.

• Inclusive healthcare support including gender-affirming care, family and fertility planning tools.

• Travel reimbursements for healthcare needs not available locally.

• Traditional or Roth 401k retirement plan options with a 2% company match.

• Modern life stipends for personal learning and development.

• Discounted company stock through an Employee Stock Purchase Plan (ESPP).

• Dog-friendly workplace program in the San Francisco office. Working Hours:

• Standard full-time hours, approximately 40 hours per week.

• Hybrid work model requires 3 days per week in the San Francisco office.

📝 Enhancement Note: The provided salary range is in USD. I've added a converted CAD range for illustrative purposes, as some job boards may display regional equivalents. The conversion is based on a general exchange rate and should be treated as an estimate. The specific salary will be determined by various factors including experience, skills, and location. The hybrid model with 3 days in-office is a key detail for work-life balance considerations.

🎯 Team & Company Context

🏢 Company Culture

Industry: Healthcare Technology, Digital Health, Musculoskeletal (MSK) Care. Hinge Health is a leader in scaling and automating healthcare delivery, focusing initially on MSK conditions.

Company Size: Over 2,900 employers partnered, indicating a significant market presence and growth trajectory. Company size is likely in the range of 500-1000+ employees based on this.

Founded: Hinge Health was founded with a mission to help people move beyond pain, leveraging technology to deliver accessible and effective care.

Team Structure:

• CV User Experience Team: Focuses on creating seamless, interactive features powered by TrueMotion computer vision technology. This team bridges mobile development, backend services, and computer vision science.

• Reporting Structure: The Staff Software Engineer will likely report to an Engineering Manager or Director, with a dotted line to product and design leads for project alignment.

• Cross-functional Collaboration: Close collaboration is expected with Product Managers, UX Designers, Data Scientists, and Computer Vision Scientists to deliver integrated, user-centric experiences.

Methodology:

• Agile Development: Likely employs agile methodologies for iterative development, with regular sprints, planning, and retrospectives.

• Data-Driven Decision Making: Emphasizes using data to inform product development, system improvements, and user experience enhancements.

• Engineering Excellence: Focus on high-quality code, robust architecture, comprehensive testing, and continuous integration/continuous delivery (CI/CD).

Company Website: https://www.hingehealth.com/

📝 Enhancement Note: Hinge Health's mission-driven approach in healthcare technology is a significant cultural differentiator. The emphasis on "TrueMotion computer vision technology" and its application to musculoskeletal pain suggests a highly specialized and impactful engineering domain.

📈 Career & Growth Analysis

Operations Career Level: Staff Software Engineer. This role is a senior individual contributor position with significant technical leadership responsibilities. It requires deep expertise in software architecture, mobile development, backend systems, and the ability to influence technical direction and mentor other engineers.

Reporting Structure: The Staff Software Engineer will likely report to an Engineering Manager or Director and work closely with product and design leadership. They will also be responsible for mentoring junior and mid-level engineers on the CV UX team.

Operations Impact: This role directly impacts the user experience of Hinge Health's core technology, TrueMotion. By ensuring the seamless integration of computer vision feedback into the user's exercise therapy, this engineer will play a critical role in the effectiveness of the product, the recovery of members, and the overall success of the company's mission. Improvements in performance, scalability, and user engagement directly contribute to business growth and patient outcomes.

Growth Opportunities:

• Technical Leadership: Deepen expertise in system architecture, mobile development, and computer vision UX, potentially leading to Principal Engineer or Architect roles.

• Mentorship & Management: Develop leadership skills through mentoring engineers, potentially transitioning into an Engineering Management track if desired.

• Cross-functional Expertise: Gain in-depth knowledge of product development, design thinking, data science, and computer vision within the healthcare domain.

• Industry Impact: Contribute to cutting-edge technology in digital health, with a direct impact on improving the lives of millions experiencing musculoskeletal pain.

• Specialization: Become a subject matter expert in computer vision-driven mobile experiences and scalable backend systems within the health tech industry.

📝 Enhancement Note: The "Staff" title signifies a high level of technical influence and leadership. Growth opportunities will focus on deepening technical mastery and expanding leadership scope, rather than solely on people management, unless that becomes a desired path.

🌐 Work Environment

Office Type: Hinge Health operates a hybrid model, requiring employees in hybrid roles to be in the office 3 days per week for 8 hours each day. The San Francisco office is described as dog-friendly. This suggests a collaborative office environment designed to foster in-person teamwork and idea exchange.

Office Location(s): San Francisco, California, United States.

Workspace Context:

• Collaborative Environment: The hybrid model facilitates in-person collaboration, brainstorming, and team-building activities, essential for complex technical problem-solving.

• Technology Access: Expect access to modern development tools, robust infrastructure (AWS), and potentially specialized hardware for CV development and testing.

• Team Interaction: Opportunities for direct interaction with engineers, product managers, designers, and data scientists, fostering a cohesive and integrated work environment.

Work Schedule:

• Standard full-time business hours, approximately 40 hours per week.

• Hybrid model requires 3 mandatory in-office days per week.

📝 Enhancement Note: The hybrid model is a critical aspect of the work environment. Candidates should be comfortable with a structured in-office presence 3 days a week, balancing it with the flexibility of remote work.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter will likely conduct an initial call to assess general fit, experience, and interest.

• Technical Phone Screen: A more in-depth technical discussion, potentially involving coding challenges or system design questions related to mobile and backend development.

• On-site/Virtual Loop: This will likely include multiple interviews covering:

  • System Design: Architectural challenges focusing on scalability, performance, and distributed systems.
  • Coding/Problem Solving: Hands-on coding exercises in relevant languages (e.g., TypeScript, React Native).
  • Behavioral/Leadership: Questions assessing leadership, mentorship, collaboration, and problem-solving approach, aligned with company values.
  • Domain-Specific: Questions related to computer vision UX, mobile application architecture, and working with AI tools.

• Final Round: May involve discussions with senior leadership or a hiring manager to finalize the decision.

Portfolio Review Tips:

• Curate Select Examples: Focus on 2-3 of your most impactful projects that best demonstrate your experience relevant to this role (mobile, backend, system design, CV UX if applicable).

• Structure Your Case Studies: For each project, clearly articulate:

  • The problem you were solving.
  • Your specific role and contributions.
  • The technical challenges and solutions implemented (architecture, algorithms, technologies).
  • The impact and measurable outcomes (e.g., performance improvements, user engagement, scalability achieved).

• Highlight Architectural Thinking: Emphasize your design decisions, trade-offs considered, and reasoning behind choosing specific technologies or approaches.

• Showcase Leadership & Mentorship: If possible, include examples where you led technical initiatives, mentored junior engineers, or improved team processes.

• Be Prepared to Walk Through: Have your portfolio readily accessible and be prepared to discuss it in detail, answering questions about your contributions and decisions.

Challenge Preparation:

• System Design: Practice designing scalable systems for mobile applications that handle real-time data, user interactions, and backend services. Consider aspects like API design, data storage, caching, and fault tolerance.

• Coding: Refresh your knowledge of data structures, algorithms, and idiomatic TypeScript and React Native. Be ready for live coding sessions.

• Behavioral: Prepare STAR method (Situation, Task, Action, Result) responses for questions related to leadership, teamwork, conflict resolution, and overcoming technical challenges.

• Company Research: Understand Hinge Health's mission, technology (TrueMotion), and market position. Be ready to articulate why you are passionate about their work.

📝 Enhancement Note: For a Staff Engineer role, the interview process will heavily scrutinize architectural acumen, leadership potential, and the ability to drive impact. A well-prepared portfolio that showcases these aspects is critical.

🛠 Tools & Technology Stack

Primary Tools:

• Mobile: React Native, TypeScript

• Backend: TypeScript, Node.js, NestJS, GraphQL

• Cloud: AWS (EC2, Lambda, S3, RDS)

• Containerization: Docker, Kubernetes

• Observability: Datadog, Sentry

• Event-Driven Architectures: Apache Kafka (preferred)

• Generative AI Tools: For development acceleration and code quality.

Analytics & Reporting:

• Tools for performance profiling and monitoring (e.g., integrated within Datadog/Sentry, or standalone profiling tools).

• Metrics for tracking mobile app performance, API response times, and user engagement. CRM & Automation:

• While not directly customer-facing in this role, understanding how data flows from mobile/backend to downstream systems (e.g., for analytics or member support) is beneficial.

• CI/CD pipelines for automated testing and deployment.

📝 Enhancement Note: The technology stack is modern and robust, reflecting a company focused on scalable, high-performance applications. Proficiency with the listed tools, especially React Native, TypeScript, NestJS, AWS, and Docker/Kubernetes, is essential. Experience with observability tools like Datadog and Sentry is highly valued for this senior role.

👥 Team Culture & Values

Operations Values:

• Mission-Driven Impact: A strong commitment to improving patient outcomes and helping individuals move beyond musculoskeletal pain.

• Technical Excellence: A dedication to building high-quality, robust, and scalable software solutions.

• Collaboration & Trust: Fostering an environment where engineers, product, and design work together effectively and build trust.

• Continuous Improvement: A culture of learning, innovation, and proactive enhancement of systems, processes, and tooling.

• Ownership & Accountability: Taking pride in code in production and seeing features through to successful completion.

Collaboration Style:

• Cross-functional Integration: Expect close collaboration with product, design, data science, and computer vision teams to ensure a cohesive and effective user experience.

• Open Communication: Encouraging open dialogue, constructive feedback, and transparent communication across all levels and disciplines.

• Knowledge Sharing: A culture that values sharing best practices, learnings, and expertise through code reviews, design discussions, and internal presentations.

📝 Enhancement Note: Hinge Health's culture appears to be a blend of mission-driven purpose, technical rigor, and collaborative execution. The emphasis on being a "Force Multiplier" and "Trust Builder" points to a team environment that values collective success and mutual support.

⚡ Challenges & Growth Opportunities

Challenges:

• Scaling Computer Vision UX: Ensuring the real-time feedback from computer vision technology is performant, accurate, and seamlessly integrated into the user experience across a wide range of mobile devices and network conditions.

• End-to-End System Complexity: Managing and evolving a complex system that spans mobile applications, backend microservices, cloud infrastructure, and potentially event-driven architectures.

• Technical Leadership: Guiding a team of talented engineers, making critical architectural decisions, and driving technical vision while balancing individual contributions.

• Cross-functional Alignment: Effectively communicating complex technical concepts and aligning technical roadmaps with product, design, and scientific goals.

• Rapid Innovation: Staying ahead of advancements in mobile technology, computer vision, and AI to continuously enhance the product offering.

Learning & Development Opportunities:

• Deep Dive into CV UX: Become an expert in the unique challenges and opportunities of building user experiences powered by computer vision on mobile platforms.

• Advanced System Architecture: Further develop skills in designing and scaling microservices, distributed systems, and event-driven architectures.

• Emerging Technologies: Gain hands-on experience with generative AI tools and their application in software development workflows.

• Leadership and Mentorship: Hone skills in technical leadership, mentoring, and influencing engineering practices across a growing team.

• Healthcare Technology Domain: Develop specialized knowledge in the digital health sector and its regulatory and user needs.

📝 Enhancement Note: The challenges highlight the cutting-edge nature of the role, requiring adaptability and a proactive approach to problem-solving in a rapidly evolving technical and industry landscape.

💡 Interview Preparation

Strategy Questions:

• Technical Leadership & Architecture: "Describe a complex system you've architected from scratch. What were the key design decisions, trade-offs, and how did you ensure scalability and maintainability?" "How would you approach designing a real-time feedback system for mobile computer vision analysis, considering performance and accuracy?"

• Mentorship & Team Impact: "How do you mentor junior engineers? Provide an example of how you've improved a team's overall engineering practices or tooling." "Describe a time you had to influence technical direction across multiple teams. What was your approach, and what was the outcome?"

• Problem Solving & Debugging: "Walk me through how you would debug a performance issue in a distributed system involving a mobile app and backend services. What tools and techniques would you use?" "Describe a challenging bug you encountered and how you systematically resolved it."

Company & Culture Questions:

• "What interests you about Hinge Health's mission and our TrueMotion technology?"

• "How do you align technical decisions with product and business goals, especially in a mission-driven company?"

• "Describe your ideal team environment and how you contribute to a positive and productive culture." Portfolio Presentation Strategy:

• Storytelling: Frame your portfolio projects as compelling narratives of problem-solving and impact.

• Visual Aids: Use diagrams, architecture charts, and relevant screenshots to illustrate your points effectively.

• Focus on Impact: Quantify achievements whenever possible (e.g., "improved API response time by 30%," "reduced crashes by 15%").

• Be Ready for Deep Dives: Prepare to discuss the technical minutiae of your projects and defend your design choices.

• Connect to the Role: Explicitly draw parallels between your past experiences and the requirements of the Staff Software Engineer role at Hinge Health.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just technical proficiency but also strategic thinking, leadership capabilities, and a deep understanding of how engineering impacts business and user outcomes, especially within the healthcare technology domain.

📌 Application Steps

To apply for this Staff Software Engineer position:

• Submit your application through the provided link on Ashby.

• Tailor Your Resume: Highlight experience with React Native, TypeScript, NestJS, GraphQL, AWS, Docker/Kubernetes, distributed systems, and any experience with computer vision or generative AI tools. Quantify your achievements with metrics.

• Prepare Your Portfolio: Curate 2-3 key projects that showcase your system design, mobile architecture, backend development, and leadership skills. Be ready to present and discuss them in detail.

• Research Hinge Health: Understand their mission, technology (TrueMotion), and the impact they aim to achieve in musculoskeletal health.

• Practice Technical & Behavioral Questions: Prepare for system design, coding, and behavioral interviews, focusing on leadership, mentorship, and problem-solving.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.