About Certify:
At CertifyOS, we're building the infrastructure that powers the next generation of provider data products, making healthcare more efficient, accessible, and innovative. Our platform is the ultimate source of truth for provider data, offering unparalleled ease and trust while making data easily accessible and actionable for the entire healthcare ecosystem.
What sets us apart? Our cutting-edge, API-first, UI-agnostic, end-to-end provider network management platform automates licensing, enrollment, credentialing, and network monitoring like never before. With direct integrations into hundreds of primary sources, we have an unbeatable advantage in enhancing visibility into the entire provider network management process. Plus, our team brings over 25+ years of combined experience building provider data systems at Oscar Health, and we're backed by top-tier VC firms who share our bold vision of creating a one-of-a-kind healthcare cloud that eliminates friction surrounding provider data.
But it's not just about the technology; it's about the people behind it. At Certify, we foster a meritocratic environment where every voice is heard, valued, and celebrated. We're founded on the principles of trust, transparency, and accountability, and we're not afraid to challenge the status quo at every turn. We're looking for purpose-driven individuals like you to join us on this exhilarating ride as we redefine healthcare data infrastructure.
As a Senior Full-Stack Engineer, you’ll contribute hands-on to our provider intelligence platform and products used directly by our customers and their end users. This role requires strong backend experience — candidates should have been deeply involved in backend system design, microservices architecture, and scalable API development. If you’re comfortable navigating both frontend and backend, but lean toward solving hard backend problems, we’d love to speak with you.
What you’ll do:
Develop and maintain the applications and services that make up our highly available systems
Provide technical leadership through code reviews and mentorship for junior team members
Reinforce coding best practices including CI/CD and writing DRY, extensible code
Work with sensitive information (PII) and ensure best development practices privacy and security
Contribute to agile team ceremonies and processes (stand-ups, groomings, planning meetings)
Help identify high value opportunity areas for the team and guide their implementation
What you’ll need:
4+ years of experience building and maintaining full-stack web applications using modern JavaScript frameworks (React, Redux, Node.js, NestJS, TypeScript), with demonstrable ownership of backend systems and APIs
2+ years of experience unit and integration testing as a part of your software development processes (CI/CD)
Familiarity with MVC frameworks and their design patterns
Embracive culture of alerting and monitoring
Deep understanding of client-server communication patterns and backend performance tuning
Advanced experience with version control tools (Git, SVN)
Built and deployed applications using containers
Strong written and verbal communication skills
Willingness to participate in an on-call rotation
Bonus points if you:
Have experience with a microservices architecture
Developed in environments with large amounts of data
Experience in healthcare and working with PII
Did pair programming with other developers
Technologies/Tools:
Google Cloud Platform
NextJS and NestJS frameworks
NodeJS and Typescript
React and Redux
Jest and Cypress
Auth0
Git and Github
Sentry
Snyk
Jira
Slack
At Certify, we're committed to creating an inclusive workplace where everyone feels valued and supported. As an equal opportunity employer, we celebrate diversity and warmly invite applicants from all backgrounds to join our vibrant community.