Bryan Lassiter Email & Phone Number

Washington, DC, US

Seattle, WA, US

• Designed and implemented efficient data pipelines processing terabytes of data using Apache Airflow, AWS CloudFormation, ECS Fargate, Glue, Kinesis, Lambda, Redshift, S3, and other AWS tools.
• Created and maintained a centralized data repository for 60+ data sources, streamlining acquisition, aggregation, and contextualization, improving customer security posture.
• Developed solutions for ingesting data into AWS GovCloud and migrating it to the commercial partition, enhancing data transfer efficiency.
• Built a monitoring system using AWS CloudWatch to comprehensively monitor infrastructure.
• Established a framework to validate data quality and business rules on high-priority sources.
• Mentored junior developers and interviewed candidates for engineering roles.

Arlington, Virginia, US

• Architected and maintained a complex ETL pipeline using Apache Airflow, AWS Glue, PySpark, and Snowflake. Led conversion from Hive/Presto and AWS EMR/EC2 infrastructure to an updated stack.
• Developed automated ingestion processes for over 100 clients, managing CSV, Excel, XML, JSON, and TXT files up to two terabytes in size.
• Managed weekly code migrations, implemented CI/CD testing with CircleCI, and prepared technical specifications for new development.
• Mentored 10 junior developers and screened candidates weekly.

• Developed proof-of-concept of an enterprise big data and analytics platform for a U.S. federal agency resulting in multimillion-dollar contract; co-led project through production; met 100% of client deadlines
• Oversee eight developers in the migration from a legacy system (RDBMS) to the Hadoop ecosystem
• Review professional goals with direct-reports; provide routine performance feedback; interview and evaluate candidates for open developer positions
• Architect and implement real-time data pipelines to analyze over two terabytes of Nifi-ingested data each day with HDFS, Hive, Tez, and Java using a data lake repository for raw data storage
• Leverage Oozie Workflow Scheduler for scheduled and adhoc jobs for parallel processing
• Optimize MapReduce and Tez jobs to improve scalability and performance

• Developed extraction, transformation, and load (ETL) processes using Oracle PL/SQL
• Gathered requirements; designed data models; created complex aggregations in data warehouse; implemented testing; deployed reports
• Created Tableau dashboards and report according to client specifications
• Designed Java objects for file parsing and ingest

Montreal, Quebec, CA

• Develop and monitor extract processes for the PECOS Project ETL Team using PL/SQL and Unix scripts
• Perform COBOL to Informatica code conversion, testing, bug fixes, and production
• Perform data analysis and data cleanup in the CMS databases
• Develop Informatica mappings and workflows for new and existing reports to streamline production andturnover to clients
• Develop packages, functions, and other PL/SQL objects for use on the PECOS Project team

Richmond, VA, US

• Fully designed, developed, and implemented a customer service database program using SAP ABAP to assist in day-to-day customer service issues including delivery and merchandise issues, customer complaints and problems.
• Converted databases applications and programs from Microsoft Access to SAP
• Assisted the IT department in analyzing code and troubleshooting issues related to the Microsoft Access databases as well as the new ones in SAP including bug fixes, coding updates and changes, and code optimization

• Managed the daily functioning of the Glen Allen Community Center in relation to membership and sales
• Managed a staff of 15-25 employees including scheduling, monthly evaluation, and everyday delegation of tasks and responsibilities
• Interacted with vendors for weekly deliveries, restocking, and money exchange
• Worked with The Board of Trustees to handle membership complaints and daily issues
• Handled weekly profits including bank runs and calculations

• Managed the SQL database and accompanying Django framework used by both brothers and the executive board of the chapter
• Implemented new processes and features including a more efficient system to enter and manage requirements and a more secure login procedure
• Handled everyday complaints and database issues from users as well as data cleanup
• Completed code optimization of both the Python and HTML code used on the website

Williamsburg, VA, US

• Oversaw William and Mary Hall, Kaplan Arena, and sports fields after regular business hours
• Handled athlete and student check-in
• Assisted in setup and teardown of events including sporting events, concerts, and ceremonies

Williamsburg, VA, US

• Supported staff during William and Mary home football games
• Raised and lowered field goal nets to protect spectators
• Shuttled spectators between parking lots and stadium
• Assisted in setup and cleanup before and after football games

• Wrote weekly blogs posts about college topics including preparing for move-in as a freshman and how to choose a major
• Answered questions from parents and incoming students about many facets of the college experience

Helped customers on the sales floor and worked at the front end and register

Bachelor Of Science, Computer Science

International Baccalaureate Diploma