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Sage

Senior Fullstack Engineer, Detect

Sage, New York, New York, us, 10261

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Overview

Sage is on a mission to improve care and quality of life for older adults, starting with those residing in senior living facilities. Falls are the leading cause of injury-related death among adults over 65. Sage has built a modern approach to understanding when older adults need help, including methods for residents to alert caregivers and software for caregivers to triage responses. Our company mission is to create a product that our client counterparts love, and this role is a key part of that objective. Sage is a small, tight team of ambitious, multi-disciplinary entrepreneurs. We are a software-enabled, mission-driven company focused on problems central to achieving that mission. We work hard and fast, but we also treat our work as a marathon, not a sprint, because the journey matters. About this Role

As a fullstack engineer on Detect, you’ll be at the forefront of bringing AI-powered insights to life for caregivers and facility staff. You’ll build critical user experiences in our Care App that transform AI detection events into actionable workflows that save lives — creating intuitive interfaces for reviewing and escalating fall events, building sophisticated alerting and notification systems, and developing tools that help caregivers respond faster and more effectively. This is an opportunity to shape how thousands of caregivers interact with cutting-edge AI technology, making it accessible, understandable, and actionable. You’ll work across the full stack, from crafting responsive React interfaces to building robust backend services, bridging the gap between our AI capabilities and the caregivers who depend on them every day. Responsibilities

Build simple, intuitive status indicators and operational dashboards that give facility managers and caregivers real-time visibility into resident activity and safety events Develop sophisticated post-detection workflows in the Care App that enable caregivers to quickly triage AI-detected events, escalate true emergencies, and coordinate team responses Create flexible alerting and notification systems that allow communities to configure custom rules for resident behaviors like bed exits, unit departures, or balance concerns Enhance video review capabilities to improve how authorized staff access, annotate, and share fall events while maintaining privacy and security Implement performant full-stack features using React, TypeScript, and Java/Kotlin, ensuring seamless data flow from backend AI services to user-facing applications Collaborate with design and product teams to create interfaces that make complex AI capabilities approachable for non-technical users Minimum Qualifications

5+ years of professional fullstack development experience Experience with backend development in Java, Kotlin, or similar languages Track record of building responsive, accessible web applications Experience with RESTful API design and integration Demonstrated ability to work across the full stack and ship complete features Preferred Qualifications

Experience translating complex data or AI-generated insights into intuitive, user-friendly interfaces Background in building workflow management or escalation systems Experience with Dropwizard, Spring Boot, or similar JVM frameworks Track record of building mobile-responsive web applications for non-technical users Experience working with healthcare, senior care, or other mission-critical applications Familiarity with privacy and security best practices for sensitive data Benefits and Pay

Our headquarters are located in New York City's Union Square. We believe in cross-team collaboration. We encourage participation from all and host offsites, outings, and team meals. We offer office lunch and a fully stocked snack bar. While we are an in-office culture, we allow up to 2 remote days per week. Our benefits package includes competitive base salary with stock options. The expected annual salary range for this role is $175,000–$210,000 USD, depending on job level, expertise, experience, and qualifications. We provide fully paid health and dental insurance coverage for all employees, plus vision insurance, premium primary and urgent care membership, and access to online medical providers. We also offer a take-what-you-need time off policy, along with 7 paid holidays and a company-wide winter break during the holidays. EEO Statement

Sage is an equal opportunity employer committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. Sage makes hiring decisions based solely on qualifications, merit, and business needs at the time.

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