# Andrew Johnston > Senior Software Engineer @ Range Location: Bothell, Washington, United States Profile: https://flows.cv/andrewjohnston1 ## Work Experience ### Senior Software Engineer @ Range Jan 2023 – Present | McLean, Virginia, United States ### Senior Software Engineer (T5) @ Convoy Inc Jan 2023 – Jan 2023 | Seattle, Washington, United States ### Software Engineer (T4) @ Convoy Inc Jan 2021 – Jan 2023 | Seattle, Washington, United States Engineered a solution that converts lengthy unstructured driver instructions into four-tiered, context-based structured data, utilizing a scalable third-party datastore for streamlined configuration. This solution reduced onsite driver and trailer rejections by 90%, securing Convoy an additional 2.4 million in revenue. Designed and built Convoy Pulse, a user-configurable platform for automating customer communications, improving outreach automation rates by 15%. Restructured fragile systems to synchronize data between third-party systems and first-party databases, leading to a 60x reduction in sync time, averting service-wide outages, streamlining architecture to standard patterns, and reducing on-call burden. Unblocked and deployed a project by optimizing context gathering for machine learning models by introducing a caching layer, cutting the critical path latency from 30 seconds to under 100ms. Drove down bug reports for our team from an average of 3-4 bugs per week to 0-1 bugs per week by establishing processes for developing, testing, and qualifying releases for Convoy's React Native app. Won a hackathon award, saving $362k annually by creating user-driven templated emails. ### Web Developer @ Andrew Johnston Consulting Jan 2018 – Jan 2021 | Scotts Valley, California, United States Deployed scalable web solutions using a Content Delivery Network (CDN) and devised digital marketing strategies for small-business clients. ### Software Engineer @ Emergency University Jan 2016 – Jan 2021 | Redwood City Designed an event-driven calendaring system, connecting hosts and students globally. Developed scripts for task automation, standardized CI/CD pipelines, and load test REST APIs. Patented two augmented reality (AR) applications for indoor and outdoor navigation. ## Education ### Bachelor's of Science in Computer Software Engineering San José State University Jan 2019 – Jan 2022 ### Computer Science Ohlone College ### Washington High School Jan 2004 – Jan 2008 ### Full Stack Web Development Certification in Computer Software Engineering freeCodeCamp Jan 2016 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/ajohnston3 --- Source: https://flows.cv/andrewjohnston1 JSON Resume: https://flows.cv/andrewjohnston1/resume.json Last updated: 2026-03-23