Brandon Robertson
Chattanooga,Tennessee
Summary
Senior Data Engineer with extensive experience designing, building, and maintaining scalable data pipelines and backend services. Proven ability to operate end-to-end data platforms, partner cross-functionally, and modernize infrastructure to improve reliability, performance, and cost efficiency. Thrives in fast-paced environments and enjoys solving complex technical problems.
Overview
14
14
years of professional experience
Work History
Senior Data Platform Engineer
Bellhop
12.2020 - Current
- Own and operate the company’s Amazon Redshift data warehouse, serving as the primary steward for data modeling, performance, reliability and downstream analytics.
- Partner closely with BI, backend and frontend teams to design and deliver scalable data pipelines and automation supporting product analytics, reporting and operational use cases.
- Led the migration of 100+ production data pipelines from Databricks to Prefect, establishing a portable, containerized data platform with CI/CD that broadened ownership beyond the data team, improved observability and reliability, increased stakeholder confidence and reduced cloud spend by 63%.
- Championed the adoption of Prefect as the primary orchestration tool, embedding scheduled workflows into many product and platform features.
- Sole engineering owner responsible for overhauling the company’s core estimation logic, migrating from a manual, error-prone process into an engineering-owned backend service, significantly improving accuracy and reducing customer and operational friction.
- Led the migration of customer and partner billing from Salesforce into a backend microservice, increasing reliability, control and extensibility.
- Developed event-driven backend features leveraging AWS SNS, SQS and Lambda to orchestrate asynchronous workflows and automated actions for both internal and customer-facing use cases.
- Designed and built a backend pricing engine that aggregated service pricing and applied configurable, time-based adjustments, later extending the pricing service to support dynamic pricing in collaboration with BI, enabling flexible, data-driven pricing strategies.
- Leveraged data from Redshift to design worker performance metrics from customer reviews, worker punctuality, and peer feedback, automating platform deactivation for low-performing workers to improve service quality and reliability.
- Operating as a mid-to-senior backend engineer, developing services and features to support core business initiatives.
- Serving as the sole data engineer, maintaining and operating all data infrastructure including ingestion, transformations, and analytics, ensuring long-term scalability.
Data Engineer
FreightWaves Inc.
08.2018 - 12.2020
- Built, automated and optimized large-scale ETL pipelines ingesting data from 120+ sources, ensuring reliability, timely and auditable data for analytics, reporting and operational workflows.
- Partnered with software engineers, data scientists and business stakeholders to define use cases, ensure data integrity and deliver actionable insights for customer-facing and internal applications.
- Developed scheduling, alerting and logging for pipelines across QA, Development and Production environments, increasing reliability and reducing operational incidents.
- Migrated legacy ETL processes and data workflows into Google Cloud Platform, leveraging Cloud Composer (hosted Airflow), Cloud Functions, BigQuery and BigTable to improve scalability, performance and maintainability.
- Designed and implemented data transformation and enrichment procedures to join disparate data sources into a canonical dataset.
- Built low-latency NoSQL solutions using BigTable to serve production data to applications with extremely fast response times.
Contractor-Server Administration
Tennessee Valley Authority
05.2016 - 10.2016
- Responsible for maintaining server reliability
- Utilized PowerShell to assist in automating daily tasks and reporting
- Monitored server environment health and performance
- Provided tier 2 support for resolving escalated tickets involving file/folder access requests, server backups and file/folder restores
- Obtained a sensitive security clearance
Contractor-IT End User Analyst
Tennessee Valley Authority
07.2015 - 03.2016
- Provided tier 1 technical support to all TVA employees in areas including incident reporting, account administration, ticket creation and documentation
- Demonstrated proper delegation through ticket escalation by coordinating with appropriate groups to resolve issues efficiently and effective
- Obtained excellent customer service skills as well as the ability to troubleshoot a multitude of different applications and legacy programs
Co-Owner and Operator
B & B Aquatic Weed Harvesting
05.2012 - 08.2012
- Designed and built a conveyer pontoon boat to dispose of harvested hydrilla
- Removed hydrilla growing around customer’s boat docks on the Chickamauga Lake
Education
Bachelor's of Science - Computer Science, Business Administration
University of Tennessee at Chattanooga
01.2018
Skills
- Languages: SQL, Python, Scala, Golang
- Orchestration & Devops: Prefect, Airflow, Docker, Terraform, CircleCI, Github Actions
- Proficient in AWS and GCP
- Data Stores & Tools: PostgreSQL, MySQL, Microsoft SQL Server, Redshift, BigQuery, BigTable, ElasticSearch, Redis
Timeline
Senior Data Platform Engineer
Bellhop
12.2020 - Current
Data Engineer
FreightWaves Inc.
08.2018 - 12.2020
Contractor-Server Administration
Tennessee Valley Authority
05.2016 - 10.2016
Contractor-IT End User Analyst
Tennessee Valley Authority
07.2015 - 03.2016
Co-Owner and Operator
B & B Aquatic Weed Harvesting
05.2012 - 08.2012
Bachelor's of Science - Computer Science, Business Administration
University of Tennessee at Chattanooga