Sean Mullan Email & Phone Number

Portland, Or, Us

Bethesda, Md, Us

• Manage the Data Engineering team• Architect and implement new, automated, highly fault-tolerant solutions for data ingestion and processing• Implemented Apache Airflow for Data Pipeline Orchestration • Implemented Apache Superset for the company's first Business Intelligence platform, empowering leadership to make data-driven decisions• Architecture and implementation of a medallion-model Data LakeHouse built on AWS EMR using Flink, Spark, and Iceberg

Bethesda, Md, Us

• Technical team lead; responsible for building a new team, architecting solutions for a brand new data platform within the company• Implemented Kafka in AWS (MSK) for data integration between products and reporting data collection from distributed, on-premise systems• Automated data extraction processes that were previously being done manually to extract data from source systems for use by the analytics team in report creation

Boston, Massachusetts, Us

• Work directly with customers to develop systems to extract data from their source system for transfer to Gradient AI• Develop each step of the ELT pipeline to map the data from customer systems into the standard format that existing predictive models require, using Python and SQL• Work with data scientists to design and implement the data requirements of existing models and potential future models• Develop configurable Python scripts to improve automation and standardization of tooling• Build highly-performant data warehouses for customers to satisfy reporting needs• Design new data models to be used as the common format for all customers in new lines of business• Lead team transition from unstructured workflow to continuous flow Kanban and finally to full Agile Scrum sprinting workflow. Act as the scrum master and the product owner during transition to sprints.

Ipswich, Ma, Us

• Built and maintained large-scale data warehouses and data marts in AWS RedShift and RDS, and SQL Server using automated, fault-tolerant designs• Lead the team project to move AWS EC2 instances from Windows to Linux. Successfully transitioned major ETL projects to the Linux environment• Developed AWS Lambda functions to handle streaming data from other AWS services (Kinesis, Firehose, S3)• Participated in full lifecycle software development using the Scaled Agile Framework (SAFe) model

Ipswich, Ma, Us

• Designed, created and maintained MySQL databases for multiple applications• Optimized MySQL queries and stored procedures• ETL for systems including MySQL, SQLite, MongoDB, BaseX, XML and JSON• PHP scripting to parse and combine data in XML, JSON and SQL formats for proprietary content correction reports, marketing and sales metrics, and business decision support

Boston, Ma, Us

• Implemented new clinical data collection application, including vendor selection, implementation and training for all staff• Created usage and management reports in SQL Server for the new data collection system• Managed data collection and funder reporting for all other internal and external stakeholders• Managed the Data Collection Specialist

• Implemented new clinical data collection application and trained for all staff• IT resources manager and tier 1 support

Boston, Ma, Us

Data collection and analysis for outcomes data from Metro Boston Network to End Homelessness members.

Boston, Ma, Us