Regan Karlewicz
Senior Software Developer
King County, WA
Software engineer with over six years of experience. Committed to creating clean, maintainable code and solving problems with thoughtful, well-tested solutions. Known for quickly adapting to new technologies, designs, and systems. Enthusiastic about creating excellent user experiences through effective software development.
Skills & Technologies
- TypeScript
- JavaScript
- NextJS
- React
- GraphQL
- Node.JS
- Performance Optimization
- Test Driven Development
- Terraform
- New Relic
- APM
- RUM
- Databricks
- Express
- bash
- scripting
- REST
- AWS
- Git
- HTML5
- CSS3
- Vite
- Webpack
- Python
- Redux
- Roku
- BrightScript
- SceneGraph
- Databases
- NoSQL
- SQL
- ActiveMQ
- MongoDB
- DocumentDB
- PostgresQL
- Turbo Repo
- ORM
- Redis
- Docker
- Kubernetes
- CICD
- ElasticSearch
- Serverless
- nginx
Industry Experience
/Senior Software Developer at Econify, LLC.
Full-Time, March 2020 — Present, Bothell, WA
- Web development with React & GraphQL, Roku development with Brightscript & SceneGraph.
- Used modern best practices, techniques, and cutting-edge tech to create blazing fast enterprise-grade media applications.
- Published and maintained open-source library graphql-request-profiler to help client API developers better understand their application's performance.
/Software Development Consultant at Hearst Newspapers
Contract, April 2022 - Present, Remote
- Fostered a web-performance oriented culture by implementing a suite of tools to automatically track metrics like frontend bundle size via GitHub Actions, application lab performance reports via SpeedCurve, and real user monitoring (RUM).
- Integrated New Relic APM, enabling observability into deployed environments to ensure operational excellence.
- Created automated alerts to inform stakeholders of potential issues in real time.
/Software Development Consultant at Endeavor Streaming
Contract, December 2021 — April 2022, Remote
- Led a small team of two other developers to build and ship a white-label Roku application for Endeavor Streaming's pool of clients in just under four months.
- Leveraged the model-view-presenter design pattern with Brighterscript.
- Designed and implemented a fully customized video player UI with video analytics integrated.
/Software Development Consultant at MotorTrend
Contract, March 2020 — August 2021, Remote
- Implemented new buyers guide pages for MotorTrend.com, taking the average load time from 10 seconds to 1 second, giving thousands of monthly users a 90% faster page load over the legacy site.
- Refactored how ads are served on MotorTrend.com, giving a 10% reduction in page load size.
- Designed and implemented a blazing fast ingress service worker for MotorTrend's CMS, capable of handling thousands of updates per second.
/Software Developer at Dragonchain, Inc.
Full-Time, February 2018 — February 2020, Bellevue, WA
- Developed foundational blockchain technology using Python and Kubernetes.
- Maintained over 2000 customer production containers in production.
- Designed and implemented Dragonchain's smart-contract-as-a-service platform and deployment pipeline using Python, OpenFaaS, and Kubernetes.
- Designed and implemented error reporting and metrics services using AWS Cloudwatch, SNS, and Lambda for a suite of microservices.
- Created and managed serverless infrastructure for static React websites using S3 and Cloudfront.
Certifications
/Databricks Certified Associate Data Engineer
Issued January 2024, expires January 2026
Education
/Western Washington University
Computer Science, B.S. with Mathematics Minor
Bellingham, WA, September 2013 — December 2017