Eric S. Wald
eswald@brainshell.orgSkills
Incremental Improvements
- Bug Fixes
- Feature Additions
- Performance Enhancements
- Security Patches
- Automated Test Cases
- Query Optimization
Primary Languages
- Python
- PHP
- Bash
- C
- SQL
- HTML
- JavaScript
Software and Platform Proficiencies
- Linux
- Apache
- MySQL
- Jenkins
- AWS
- Windows
- Heroku
- PostgreSQL
- Django
- Git
Experience
Senior Software Engineer,
Lucid Software
2021
- Wrote and updated Piezo jobs for data transfers and API calls between MySQL, SQS, Sendgrid, Snowflake, Marketo, and internal services
- Updated Scala billing and auditing code to handle new, bundled, and split products
- Switched Typescript to use new APIs that handle large data sets in chunks
Senior Software Developer,
Blip Billboards
2016 - 2020
- Developed a Django JSON API for a billboard image delivery platform
- Stored and analyzed billions of transactions using Citus on PostgreSQL
- Archived images and records to Amazon S3 using periodic Celery tasks
- Integrated Python and Selenium test suites into Travis CI/CD pipelines
- Mitigated damage from fraudulent users and potential security risks
- Mentored new developers on database queries and the back-end code
System Architect,
Mu LLC
2014 - 2015
- Developed the full Django stack for an online micropayments platform
- Wrote OpenID-based and JSON APIs to enable third-party integrations
- Billed cards through Spreedly on a dynamic schedule via Celery
Database Administrator,
Middlebury Interactive Languages
2006 - 2013
- Developed and maintained a CakePHP learning management system
- Integrated third-party systems with SAML, CAS, XML, and JSON APIs
- Configured and optimized MySQL and Apache servers for multiple sites
- Tested and published PHP sites using Python and Selenium on Jenkins
Anodization Analyst,
NxEdge Inc.
2004
- Tested aluminum oxide layers with electrochemical impedance spectroscopy
- Tweaked the manufacturing process based on customer specifications
Research Assistant,
Brigham Young University
2003
- Designed and constructed a photoacoustic spectroscopy chamber
- Collected and evaluated nanocrystal optical absorption spectra
Physics Teaching Assistant,
Brigham Young University
2002 - 2004
- Supervised laboratory courses of up to 25 students
- Tutored individual students on a walk-in basis
Research Lab Technician,
Planar America
1999
- Automated data collection from a microchip probe station
- Analyzed light output of electroluminescent display designs
- Patent #6,278,423: Active Matrix Electroluminescent Grey Scale Display
Education
B.S. Applied Physics,
Brigham Young University
Selected Courses
- Semiconductor Processing
- Solid-State Physics
- Optoelectronic Devices
- Electrostatics and Magnetism
- Quantum Mechanics
- Electronic Circuit Design