• You contribute meaningfully to the success of one or more projects or products, helping drive positive outcomes. • You demonstrate proficiency and specialized skill in one or more key technologies relevant to the team’s goals. • You accurately scope, estimate, design, and deliver medium-to-large features while actively reducing technical debt across projects or products. • You proactively support and collaborate with team members, fostering a positive and productive team environment. • You adhere to established team processes, ensuring a steady and reliable delivery of features to production. • Work closely with teammates, external teams, and client stakeholders to ensure quality considerations are integrated at every stage of the SDLC. • Develop comprehensive test plans, test cases, and relevant documentation that align with software specifications and user requirements to ensure thorough testing of features and functionalities. • Utilize bug-tracking tools to document, prioritize, and track defects. Facilitate communication across teams to ensure timely and effective issue resolution. • Establish and enforce standards and best practices. Track metrics to assess the quality of the software throughout the SDLC. • Focus on increasing test coverage, speed, and accuracy to support continuous integration and deployment pipelines. • Ensure testing procedures comply with industry standards and regulatory requirements, preparing documentation for audit purposes. • Implement and conduct performance and security testing following best practices and business requirements.

• As a Principal Engineer, you will help establish the engineering vision and act as the translator between strategic intent and scalable execution. • This role drives technical direction and engineering strategy across enterprise engineering platforms by building the "paved path" - with a particular focus on developer experience, platform observability, and design and content enablement used by the QMARS team. • The Team you will be joining: QMARS • Our team is charged with maintaining and improving the software at the Centers for Medicare and Medicaid Services (CMS) that supports the Quality Management and Review Systems (QMARS) program. QMARS online case management system supports the CMS Beneficiary and Family-Centered Care (BFCC) Quality Improvement Organization (QIO) program. The QIO program is one of the largest federal programs dedicated to improving healthcare quality for Medicare beneficiaries across the country. • Our teams will continuously strive to modernize these systems while improving them in ways that reduce provider burden and minimize costs to CMS. We do this through HCD and Service design practices, product thinking, and skilled engineering. At Bellese, we’re relentlessly focused on enabling and empowering providers to focus on improving the quality and safety of patient care.

• Develop and maintain robust software applications using TypeScript/JavaScript, Node.js, Nest.js, and React • Implement new functionality from scratch, such as role-based access control services, API integrations, and endpoint development, under the guidance of Senior Developers • Collaborate closely with stakeholders to define, design, and deliver new features • Work in an AI-augmented development environment, leveraging tools like Claude Code, Cursor, and Microsoft Copilot • Participate in code reviews, ensuring code quality and maintainability • Contribute to continuous improvement of development processes and team collaboration practices • Follow Agile/SCRUM methodologies and actively participate in ceremonies

• Develop and maintain robust software applications using TypeScript/JavaScript, Node.js, Nest.js, and React • Implement new functionality from scratch, such as role-based access control services, API integrations, and endpoint development, under the guidance of Senior Developers • Collaborate closely with stakeholders to define, design, and deliver new features • Work in an AI-augmented development environment, leveraging tools like Claude Code, Cursor, and Microsoft Copilot • Participate in code reviews, ensuring code quality and maintainability • Contribute to continuous improvement of development processes and team collaboration practices • Follow Agile/SCRUM methodologies and actively participate in ceremonies