David Sullivan Email & Phone Number

- Technical Leadership: Led the design and development of vendor integrations for the Expanse Patient Accounting application, recognized as Best in KLAS.- System Architecture: Architected applications and databases, ensuring optimal performance and scalability for healthcare revenue cycle management.- Process Enhancement: Implemented best practices and integrated emerging technologies to boost development efficiency.- Cross-Functional Collaboration: Worked closely with stakeholders and product teams to align engineering efforts with business objectives.

Westwood, Massachusetts, United States

- Team Leadership and Collaboration: Led a cross-functional team, collaborating with business stakeholders and end-users to develop innovative solutions addressing complex challenges.- Technical Debt Reduction: Implemented strategies to address technical debt, streamlining processes and reducing development time by 30%.- Mentorship in Test-Driven Development (TDD): Mentored developers in TDD practices, leading to a 75% reduction in bug backlog over three years.- API Development and Integration: Designed and implemented RESTful APIs, seamlessly integrating third-party vendor APIs to enhance application functionality and user experience.

- Algorithm Development: Collaborated in designing and implementing complex algorithms to accurately calculate estimated reimbursements for patient visits, enhancing financial forecasting accuracy.- Defect Resolution: Conducted thorough root cause analyses to identify and resolve application defects, leading to a 20% increase in application efficiency and a 15% boost in customer satisfaction.- Backend Load Balancing Implementation: Implemented backend load balancing strategies to optimize the processing of large data sets, resulting in a 25% improvement in overall application performance.

Designed and built several websites over the years. The majority of which are no longer on-line. In recent years I've helped a number of small businesses get their websites off the ground on Squarespace.