Ratnakar Malla Email & Phone Number

Cupertino, California, Us

AI/MLComputational Pathology

Austin, Texas, Us

- Led a team of engineers in developing a cutting-edge, headless APIs-based next-generation Cerner Electronic Medical Records (EMR) system- Spearheaded the Cost Model for API services, analyzing pricing structures, forecasting expenditures, and recommending optimization strategies to maximize ROI- Conducted technical due diligence for Oracle's $30 Billion acquisition of Cerner Medical Systems- Implemented measures to streamline software development pipelines while enhancing security measures- Shaped the product roadmap through collaboration with customer teams and alignment with company objectives- Advocated for technical excellence and innovation, fostering a culture of continuous learning and development- Attracted and retained top engineering talent, providing mentorship and career development opportunities

San Francisco, Ca, Us

Developed tailored AI and NLP solutions to enhance healthcare workflows and analytics.Led the development and deployment of NLP/AI/ML pipelines for processing structured and unstructured data from EMRs, enabling advanced analytics and insights generationDesigned and launched innovative tools such as Carta ATLAS, leveraging Named Entity Recognition (NER) and temporal relationship identification to construct a comprehensive healthcare knowledge graphBuilding AI/ML pipelines for processing structured & unstructured data.Worked on product ideation, prototype, to initial launch of carta ATLAS .Designed and architected HL7 FHIR based data models to model business requirements.Managed acquisition of a legacy analytics product, integrate with existing stack. Built roadmap around support and migration of clients.Formed completely new software development, QA, and DevOps organizations, from the ground up, using both onshore and offshore resources.Implementing software delivery processes, for both on premise and cloud deployments.Fostered a culture of innovation by leading product and technology brainstorming sessions. Worked closely with product owners to define application integration strategy & planning, architecture, goals & roadmap alignment. Designed and architected CI/CD pipeline using Terraform,Jenkins,Docker.Platform includes: Python, Neo4J, mySQL

South San Francisco, California, Us

• Managing a distributed team of engineers, working on next generation analytics for pharmaceutical industry• Collaborated with product owners to define application integration strategy & planning, architecture, goals & roadmap alignment.• Fostered culture of innovation by leading product and technology brainstorming sessions.• Led cross functional teams to improve collaboration between customer success and engineering teams.• Reducing technical debt , by migrating to new technology stack. Platform includes: Python, mySQL,Airflow, Jupyter/Pandas

• Manage team to design & build scalable, near real time Data Engineering Platform for Scanadu, to support patient generated healthcare data (PGHD) using NoSQL technologies.• Promoted to Director of Engineering.• Data ingestion platform to support data needs for Machine Learning activities, • Design & Build REST based APIs, to support data stream with billions of data points.• Machine Learning/Analytics pipeline to provide Scanadu customers/patients with realtime insights into their health• Implementing Policies & Procedures for HIPAA compliance.• Technologies: Cassandra, Spark, Kafka, R, Shiny

• Led a team of engineers to manage availability, latency, scalability and efficiency of Covered California (coveredca.com) services by engineering reliability into software and systems.• Improved performance of the application by over 200%, also helped reduce support calls • Participated in service capacity planning and demand forecasting, software performance analysis, optimizations and system tuning.• Designed and integrated Oracle Identity Manager (OIM), Oracle Access Manager (OAM) for Single Sign On.• Improved database SQL query performance by collaborating with DBAs, analyzing AWR reports and identifying hotspots.• Built generic libraries and API to handle encryption and decryption of context sensitive parameters at the platform level.• Presented performance improvement findings at Silicon Valley Code Camp.• Technologies: Tomcat, Maven, Java 7, Oracle, Java Flight Recorder (JFR).

Greenville, South Carolina, Us

• Led and managed high-level solution architecture reviews. • Worked collaboratively with Engineering and Product Owners to help design and build solutions.• Assisted in development and operations of SOA methodologies, policies, and practices. • Fostered culture of innovation by leading product and technology brainstorming sessions.• Established advanced technology group, internally promoted its charter, and created vision and all processes.• Worked with product owners to define application integration strategy & planning, architecture, goals & roadmap alignment• Lead team of engineers to build Clinical Business Intelligence data warehouse application for measuring, monitoring safety and quality data. • Configured and integrated, large-scale search systems for complex multimodal queries supportied by a multi-core instance of Apache Lucene/SOLR.• Centralized data aggregation platform to collect and analyze data on various dimensions. This includes aggregating Lab, Pharmacy, ADT and UB, Safety and Patient Satisfaction data. • Data is normalized using standard terminologies like SNOMED , LOINC, ICD9/ICD10 code sets. Integrated Mirth Results for creating a longitudinal medical record (vMR) and Mirth Connect HL7 Engine for handling HL7 messages.• Led a team of engineers and architects to design and develop SOA based next generation architecture. • Designed and developed Single Sign On (SSO) process for integrating with Active Directory/LDAP servers.• Designed and developed process for encrypting/decrypting of data as part of MU requirements. AES algorithm was used for encryption/decryption• Researched on OWASP Top 10, security weaknesses, and how they affect Quantros environment.• Technologies: Oracle, J2EE, Java, Vertica, Pentaho Kettle, BIRT, Mirth Connect, Drools, Lucene/SOLR

Greenville, South Carolina, Us

• Designed and developed an in house statistical reporting engine, replacing commercial tool, thereby providing a scalable alternative. Made use of open source components like mySQL, apache and R-Web. This saved the company 250K in licensing costs• Build cloud based workflow tools to manage and monitor quality and safety compliance in hospitals• Technology: Oracle, J2EE, Java, Vertica, Pentaho Kettle, BIRT, Mirth Connect, Drools