Senior Software Engineer - Backend

About the Role As a Senior Software Engineer at Hinge Health, you will play a pivotal role in designing, building, and maintaining large-scale software solutions that directly impact our members’ health outcomes. You will collaborate with cross-functional partners, including product managers and health economists, to deliver new product capabilities and improve the maintainability, availability, and performance of our features. This role is essential to advancing our mission of transforming joint and muscle care through technology, including the integration of AI-driven solutions to automate and enhance care delivery. Hinge Health software engineers work on small interdisciplinary teams focused on different parts of the user journey. The ROI Pod (Return on Investment Identification & Measurement Pod) at Hinge Health is a cross-functional team, bringing together Data Engineering, Data Science, Health Economics, Product, and Software Engineering. Our mission is to build advanced tools and analyses that identify and measure ROI, directly supporting Hinge Health’s goal of delivering measurable value to clients and driving higher ROI for all clients in 2026 and beyond. The pod’s work spans optimizing targeted enrollment using predictive models, personalizing interventions to maximize clinical and economic impact, and automating client-facing ROI analyses to accelerate and scale reporting. As a Senior Software Engineer in the ROI Pod, you will play a pivotal role in designing, building, and maintaining large-scale data infrastructure and automation systems that power our ROI measurement and reporting. You’ll collaborate closely with data scientists, health economists, and product managers to deliver new capabilities, such as automating claims data ingestion, standardizing data pipelines, and expanding targeted enrollment. Your responsibilities will include breaking down complex problems into manageable tasks, delivering robust and scalable solutions, and proactively improving the maintainability and performance of our systems. You’ll also mentor junior engineers, contribute to architectural decisions, and help integrate AI-driven solutions to enhance automation and insight generation. This role is essential to advancing Hinge Health’s mission of transforming joint and muscle care through technology and data-driven outcomes. We enjoy a continuous deployment DevOps culture, and take owner-operator pride in supporting our code in production. Our production systems rely on React Native, React, Node.js, TypeScript, Nestjs, GraphQL, Docker, Rails, AWS, Postgres, Redis, Apollo, and Redux. Our workflow is trunk-based CI/CD, and our security/compliance posture is at the highest standards of healthcare, including HIPAA, HITRUST, SOC 2, and CCPA. What You’ll Accomplish - Deliver large projects that introduce new product capabilities, often acting as a maintainer for key code repositories. - Modernize existing pipelines to scale our proven products with company growth. - Break down complex problems into manageable tasks, ensuring steady and predictable delivery while identifying and resolving root causes of incidents. - Collaborate with your team to roadmap and execute ambitious technical strategies, balancing short-term and long-term trade-offs. - Mentor and support junior engineers, providing thoughtful code reviews and real-time pairing. - Integrate and leverage AI technologies to automate processes and enhance product features, contributing to Hinge Health’s AI-driven care platform. - Proactively improve the maintainability, availability, and performance of the team’s features, and contribute to the team’s overall architecture and developer tooling. - Communicate technical ideas clearly to both technical and non-technical partners, and document solutions for future reference. Basic Qualifications - Bachelor’s Degree (or equivalent) in Computer Science, Engineering or related technical field - 3+ years of non-internship full time profession…