# Alex Harper

> Senior Software Engineer at Duo Security

Location: St Louis, Missouri, United States
Profile: https://flows.cv/alexharper

Software Engineer

github.com/boscoton87

## Work Experience
### Senior Software Engineer @ Duo Security
Jan 2023 – Present

### Software Engineer @ Duo Security
Jan 2020 – Jan 2023
• 	Extracted logic from monolith to a microservice, allowing for faster feature development.
• 	Refactored core service classes to drastically simplify integration with external telephony providers.
• 	Built highly configurable load balancing algorithm for distributing requests across external providers.
• 	Designed performance tests for microservice to ensure system can perform under varied loads.
• 	Led initiative to promote coding best practices across the engineering organization.
• 	Built circuit breaker system for mitigating impact of failing external dependencies.
• 	Developed system for handling API request retries in a standardized way.
• 	Helped build API client generator using OpenApi standards.
• 	Built hackathon slack bot for managing our mentorship program.

### Software Engineer @ OneSpace
Jan 2019 – Jan 2020
• 	Refactored Monolith application to modularize the code base and identify candidates for packages.
• 	Developed backend system for Data Analytics platform focused on analyzing search volume data.
• 	Implemented flexible data ingestion tool for aggregating data from various external sources.
• 	Built microservice for standardizing Export generation across our platform.
• 	Designed microservice for identifying the state of a product through aggregation of data across various Kafka Topics.
• 	Designed Setting management package for database stored configs.

### Software Engineer @ Radialogica LLC
Jan 2017 – Jan 2019 | St louis
•	Developed front and backend systems for Radiation Oncology treatment plan simulations.  
•	Implemented Gamma algorithm for comparison of 3D Radiation Dose Clouds.  
•	Designed Backend processing systems for managing and scoring Dicom Data.  
•	Developed basic scripting language for Product Managers to design pdf report layouts.  
•	Implemented and maintained Testing Suite to ensure code coverage of FDA Certified Software.

### Enterprise Application Analyst @ Scottrade
Jan 2015 – Jan 2016 | Greater St. Louis Area

### Commercial Support Intern @ Anheuser-Busch InBev
Jan 2014 – Jan 2014
•	Developed automated sales comparison tool to identify discrepancies in various data sources.  
•	Collected large sets of data to identify trends in performance of client side reporting tools.  
•	Created unified Standard Operating Procedure format.

### Business Services IT Co-op @ Anheuser-Busch InBev
Jan 2013 – Jan 2013
•	Managed high visibility brewery supply reporting projects.  
•	Analyzed current system architectures to find more efficient, and reliable solutions.   
•	Uncovered data inaccuracies in BO reports by writing Excel Macros for database comparisons.

### Technical Support Analyst (student) @ Tigertech
Jan 2011 – Jan 2013
•	Perform diagnostic software to troubleshoot system failures.  
•	Identify trends in software and hardware failures.  
•	repair personal computers for customers.


## Education
### Bachelor’s Degree in Computer Engineering
University of Missouri-Columbia
Jan 2010 – Jan 2015


## Contact & Social
- LinkedIn: https://linkedin.com/in/alex-harper-52986914

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Source: https://flows.cv/alexharper
JSON Resume: https://flows.cv/alexharper/resume.json
Last updated: 2026-03-22