Daniel Rosenbaum Email & Phone Number

Baltimore, Maryland, US

• Led or facilitated development on multiple enterprise applications (FAI, TDF, and more)
• Tech stack: Java/Spring, AWS (DynamoDB, Lambda, SNS/SQS, RDS, EC2/Fargate, S3, CloudFront), GraphQL, Lit, Angular, GitLab CI/CD, Splunk, Apigee, and more.
• Overhauled merge request, git branching strategy, and code release processes to ensure consistent quality of task description and test evidence, git repository tagging, and dynamic change log generation.
• Go-to developer to help mitigate risks, tackle complex problems and blockers, and address infrastructure and architectural concerns.
• Spearheaded the migration of our project’s Apigee proxies as part of the firm’s transition from on-premises to cloud environments, addressing incompatibilities and ensuring minimal disruption.
• Mentored junior developers to help them learn and grow and enhancing team productivity.

Baltimore, Maryland, US

• Led the design and development of an API that supplies data to validate a target data model.
• Used Spring Boot, OpenAPI/SwaggerHub, Webflux, EMR/Spark, MapStruct, Finbourne Lusid, Apache POI, and others.
• Designed, developed and maintained the Hadron project for data ingestion, transformation and storage from various sources, providing a front-end and APIs for data querying.
• Collaborated closely with the project architect and contributed to the analysis and design of architectural, infrastructural and framework aspects of the system.
• Played a key role in the EMR/Spark solution, including specification, performance improvement, failure resolution and effective metric collection.
• Point person for data reconciliation integration with the firm’s Jackpot product and DUCO.

Baltimore, Maryland, US

• Designed a dashboard component to display health status on the infrastructure team’s SharePoint home page. Utilized Vue.js, JavaScript and Python on a Linux back-end.
• Created or updated architecture, connectivity, messaging and data flow diagrams using Microsoft Visio. Communicated with various teams to gather input.
• Supported the provision, migration and decommissioning of various servers and systems.
• Integration with Vault by HashiCorp for account security and authentication.
• Analysis of server filesystem usage for archiving, compression and purging to manage free space. Communicated with various parties to determine file archiving policy requirements.

Toronto, Ontario, CA

• Architected and designed the CQM Aligned Population Health Reporting (CAliPR) solution for CRISP, a regional health information exchange
• Health IT solutions using Java 8, Spring Boot, Spring MVC/REST, Liferay Portal, PostgreSQL, SQL Server, H2, Angular 4, Gradle, Jenkins CI, GitLab, Junit/Mockito, Apache POI
• Integrated the product as a Liferay Portlet for single sign-on (SSO) and role-based access control, deployed on the CRISP Unified Landing Page (ULP).
• Designed and implemented a calculation engine for Clinical Quality Measures (CQMs) specified in Health Quality Measure Format (HQMF). Integrated CQM reporting with the Maryland Department of Health’s eMIPP system via.
• Participated in proposal development and level of effort (LOE) estimation
• Led certification of CAliPR with the ONC Health IT Certification Program for two versions

Falls Church, VA, US

• Architect, design and maintenance of a Health IT solution for the EHR Incentive Program of the Health Information Technology for Economic and Clinical Health Act (HITECH) for the Centers for Medicare & Medicaid.
• An aggressive and complex system with overlapping quarterly release cycles, handling registrations and Meaningful Use Attestations of hundreds of thousands of providers and initiated incentive payments in the tens of.
• Involved in the successful transition of modules developed by another contractor
• Lead the selection of technology stack, including IBM Websphere, Spring, Spring Batch, Spring Integration, iBatis, JiBX, ILOG JRules/WODM (rule engine), and others
• Designed the Receipt and Control module using Spring Batch and Spring Integration. This handled scheduling and process flow of batch processes utilized in HITECH, and had capabilities including multi-threading, failure.
• Developed skeleton code for JUnit testing with mock/stub objects and an in-memory database

Columbia, MD, US

• Java Design & Development using JBoss, Struts, EJB, Dojo AJAX Toolkit, JSON/RPC, JSP/JSTL, Java EE (J2EE), HTML/Javascript, Web Services, JasperReports and JDBC with Oracle.
• Designed and implemented a browser-based system for Arbitron’s radio station lineups using Dojo AJAX Toolkit, Struts and EJB.
• Evaluated Web Service implementations and retrofitted applications to use JBoss Cache.
• Implemented JUnit and Fitnesse tests.

• Java Design & Development using Weblogic, Servlets, EJBs, JSP/JSTL, Hibernate, Spring, J2EE, HTML/Javascript and JDBC with Oracle on the Windows and Solaris platforms.
• Developed a browser-based system for Ad-Hoc Data Extraction and Reporting for CMS
• Implemented a Hibernate/Middlegen layer for data access and guided team on its use.
• Designed application workflow functionality and constructed Ant scripts for builds.

Implementation of Property Management Software using Java, JDBC, XML and Servlets.

Developed web servlets and designed a caching system

Annapolis, MD, US