Senior Software Engineer

About CertifyOS

CertifyOS 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Today healthcare organizations rely on fragmented and outdated provider data.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. Were 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.

Were 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. Were 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 Youll Do

Own end-to-end delivery of features (design deployment support)

Build scalable maintainable systems for evolving product needs

Partner with product to clarify requirements and deliver practical solutions

Improve reliability and code quality through strong engineering practices

Participate in on-call rotation and contribute to operational excellence

What Were Looking For

• 5 years building and maintaining production-grade systems

• Strong problem-solving skills and comfort with ambiguity

• Ability to independently define solutions and contribute to architecture

• Track record of shipping high-quality software in fast-paced environments

• Strong engineering fundamentals (testing clean code maintainability)

• Experience improving system performance and reliability

• Strong written/verbal communication and cross-functional collaboration

• Strong code review skills and a mindset of raising engineering standards

• Willingness to participate in on-call and incident response

• Experience working with sensitive data and security best practices (PII)

• Experience with AI tools such as Cursor Claude Code and MCP servers.

Nice to Have

• Experience with microservices or distributed systems

• Experience building data-intensive or large-scale platforms

• Familiarity with healthcare compliance or regulated environments

• Experience with Master Data Management (MDM) or entity resolution systems

• Experience reducing technical debt through iterative refactoring

• Experience improving developer productivity through CI/CD and tooling

Technologies & Tools

• Google Cloud Platform (GCP)

• Java (Java 21 preferred) with Quarkus

• React / TypeScript

• REST APIs and distributed systems

• Docker and Kubernetes

• CI/CD (GitHub Actions)

• Monitoring and alerting tools (e.g. Sentry)

• Data platforms (Spanner BigQuery)

• Kafka

• AI Tools (Cursor Claude Code Codex)

Benefits of Working at Certify

At Certify were 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 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

We are also committed to pay transparency and foster an open culture where compensation conversations are encouraged and respected.

Required Experience:

Senior IC