Christoper Shumaker

804-615-6669 | chris@makerconsulting.llc | Arlington, MA 02476

https://www.linkedin.com/in/christophershumaker/ | http://makerconsulting.llc

Staff Software Engineer with extensive experience in backend and big data infrastructure looking to connect and support diverse communities and individuals. Creative, empathetic, and  inclusive team leader with a commitment to elevate amazing people to design and build great products.

SKILLS & CERTIFICATIONS

Programming Skills: Python, Java, Scala, SQL, Spark, Trino, Flink, AWS EMR

Certifications: AWS Cloud Practitioner (valid until 3/27)

PROFESSIONAL EXPERIENCE

IROBOT CORPORATION                                                                                    Bedford, MA

Principal Software Engineer – Product Data                                                                  August 2021 - Present        

• Led development of data science platform for workflow orchestration using Python, AWS Step Functions, Docker containers, Spark running on AWS EMR, and Presto/Trino queries on Athena empowering self-service data ETL, analytics, and machine learning.
• Managed a team of DevOps engineers to ingest and report container vulnerability statistics, clarify and reduce Mean Time To Resolution for incidents, and migrate Lambda functions to ARM CPU architecture, cutting Lambda compute costs by nearly 50%.
• Refined data quality, performance, reliability, and operations for spatial pipelines to enable 300+ engineers, analysts, and business intelligence to measure robotic mapping performance and build new products.
• Developed foundational Flink applications in Scala, enabling low-latency stream processing while identifying key data modeling and schema registry requirements to massively improve cost efficiency.

Sr. IoT Data Engineer                                                                                       August 2018 – August 2021

• Collaborated with a cross-functional team of designers, mobile developers, and roboticists to successfully drive the innovation of a “recommended keep out zone” used by millions of customers.
• Pioneered complex data modeling to build scalable pipelines integrating geospatial technology for the standardization of billions of robot maps using Python, Glue, and Postgres, and DynamoDb.
• Implemented a fault-tolerant lakehouse platform for spatial data using S3, Glue, Kinesis, Parquet, Hive, and Iceberg to store and analyze data (petabytes) via Spark, Athena, and Mode Analytics.
• Evaluated alternatives to Redshift including in-house solutions, Snowflake, and Databricks to reduce data warehousing costs.

BOOZ ALLEN HAMILTON                                                                                     McLean, VA

Associate Consultant                                                                                        March 2016 – August 2018

• Promoted for effective communication skills and proven ability to gather system requirements, ability to troubleshoot complex problems under pressure, and for leading a team to completely modernize the client’s systems within one year.
• Spearheaded design and development of a microservices architecture leveraging Open Source Software including Docker, jBPM, Java, and Angular to handle millions of regulatory submissions drastically reducing the workload for thousands of application reviewers.
• Presented potential solutions for cloud migration of database systems to AWS big data technologies to facilitate scalable storage, text extraction and analysis of billions of unstructured documents.

EXCELLA CONSULTING                                                                                        Arlington, VA

Senior Consultant                                                                           November 2015 – March 2016

• Revamped Python Behave and Selenium test harness for Salesforce to streamline testing processes.

RED HAT                                                                                                                     Arlington, VA

Junior Consultant                                                                                           June 2012 – November 2015          

• Integrated workflow management technologies at a major financial firm to secure additional services and licensing revenue.
• Mentored dozens of engineers and performed code reviews for Spring Batch ETL, Java, Ruby, C++, and Linux.
• Coached tech leads regarding SAFe Agile framework and Scrum to improve accountability within their teams.
• Created a distributed integration test suite to increase utilization of hundreds of servers running thousands of tests.

EDUCATION

The Pennsylvania State University

Major: Bachelor of Science in Software Engineering

Co-founder and President, The Penn State Programming Club