Staff Application Engineer

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CertifyOS

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2021

🏥 Healthcare

☁️ SaaS

🤝 B2B

💰 $40M Series B - Certify on 2025-06

Healthcare • SaaS • B2B

CertifyOS is a healthcare-focused provider data platform that consolidates and verifies provider information to create a single, AI-enabled source of truth. It replaces spreadsheets and point solutions with infrastructure for credentialing, contracting, payments, compliance, and provider data management, offering services like credentialing, licensing, monitoring, and roster management. The platform ingests rosters and real-time feeds, validates records against thousands of sources, and delivers a continuous, clean data stream accessible via one API. CertifyOS is positioned as a B2B SaaS solution for health plans, digital health companies, and health systems, claiming measurable operational improvements (e. g. , reduced re-credentialing costs, faster onboarding) and listing major health plans among its clients.

📋 Description

• Own the application layer of the CertifyOS platform. • Define how the application layer is structured, how the frontend and backend evolve together. • Drive technical strategy and shape engineering culture. • Define API contracts that serve both internal product teams and external enterprise consumers. • Architect application patterns for complex, async data workflows. • Own the performance boundary between the data layer and the product. • Define how AI capabilities integrate into the application layer.

🎯 Requirements

• 8+ years building production full-stack systems, with demonstrated impact at Staff or Tech Lead level • Track record of setting technical direction. • Proven ability to influence engineering practices across teams without direct authority. • Experience leading cross-functional technical initiatives. • Deep backend expertise in Java or a comparable strongly-typed language. • Strong frontend architecture skills in React and TypeScript. • Experience designing and evolving external-facing APIs under active consumers. • Fluency across API paradigms. • Experience building application layers for enterprise B2B products. • Strong instincts for application-layer performance. • Experience defining and owning SLOs for user-facing systems. • Experience building observability into application systems. • Experience integrating AI capabilities into production application layers. • Strong written communication skills. • Experience with microfrontend architectures or design system libraries at scale is a plus. • Familiarity with healthcare data standards (FHIR, HL7) or credentialing and enrollment workflows is a plus. • Familiarity with accessibility standards (WCAG) in enterprise product contexts is a plus.

🏖️ Benefits

• 100% coverage of health, dental, and vision insurance premiums for employees. • Unlimited PTO for US-based team. • Health insurance, statutory leave benefits, and additional wellness (menstrual) leave for women in India.