Senior Software Engineer - Apps Team

About CertifyOSCertifyOS is building the data infrastructure that powers modern <healthcare.Today>, healthcare organizations rely on fragmented and outdated provider data. This creates unnecessary administrative work, regulatory risk, and higher costs across the system. We’re solving that problem.Our API-first platform automates provider licensing, enrollment, credentialing, and network monitoring by connecting directly to hundreds of primary data sources. We help healthcare organizations maintain accurate, compliant, and reliable provider networks at scale.Our vision is simple: One API. One provider ID. Frictionless provider data.We’re backed by leading investors and built by a team with deep experience in provider data systems. At CertifyOS, we value authenticity, accountability, collaboration, results, and openness to feedback. We’re building a high-ownership team focused on solving real infrastructure problems that impact millions of patients.About the Role We are seeking a Senior Software Engineer to help scale our core platform and accelerate product delivery. You will build high-quality systems, influence architecture, and improve reliability and performance across our applications.What You’ll DoOwn end-to-end delivery of features (design → deployment → support)Build scalable, maintainable systems for evolving product needsPartner with product to clarify requirements and deliver practical solutionsImprove reliability and code quality through strong engineering practicesParticipate in on-call rotation and contribute to operational excellenceWhat We’re Looking For8+ years building and maintaining production-grade systemsStrong problem-solving skills and comfort with ambiguityExperience with AI tools such as Cursor, Claude Code and MCP servers.Ability to independently define solutions and contribute to architectureTrack record of shipping high-quality software in fast-paced environmentsStrong engineering fundamentals (testing, clean code, maintainability)Experience improving system performance and reliabilityStrong written/verbal communication and cross-functional collaborationStrong code review skills and a mindset of raising engineering standardsWillingness to participate in on-call and incident responseExperience working with sensitive data and security best practices (PII)Nice to HaveExperience with microservices or distributed systemsExperience building data-intensive or large-scale platformsFamiliarity with healthcare, compliance, or regulated environmentsExperience with Master Data Management (MDM) or entity resolution systemsExperience reducing technical debt through iterative refactoringExperience improving developer productivity through CI/CD and toolingBenefits of Working at CertifyAt Certify, we’re building with intention and taking care of the people doing the work.Your well-being matters to us. We provide 100% coverage of health, dental, and vision insurance premiums for employees. Our US-based team benefits from unlimited PTO, with at least two weeks off each year to recharge. In India, employees are supported with health insurance, statutory leave benefits, and additional wellness (menstrual) leave for women.We are an equal opportunity employer committed to building an inclusive environment where everyone feels valued and empowered to do their best work, and we welcome applicants from all backgrounds and experiences.If you require reasonable accommodations during the application process, please contact [email hidden] are also committed to pay transparency and foster an open culture where compensation conversations are encouraged and respected.