Mike Olson Email & Phone Number

Berrien Springs, Mi, Us

Santa Monica, California, Us

Messenger Web App: Improved website page load performance, GitHub Actions build pipeline performance, and responsiveness under load. Key technologies: Typescript, React, MobX, Redux ToolKit (RTK), SCSS, Playwright, npm.Electron Desktop App: Wrote a TypeScript Electron app to allow the Messenger website to run with additional functionality such as native OS notifications for incoming messages and alerts. Extended 5+ npm libraries to provide early support for a new version of Electron.AWS Cloudfront Node.js Lambda: Terraform deployment with sophisticated routing and support for rolling deployments of the Messenger website to 4 US regions - classifying by groups of US states - as well as the company's only unit testing and integration testing of a single layer of infrastructure.Customer Support: Interfaced with a 1MM+ ARR customer to solve complex responsiveness problems with the Messenger app, providing a multi-stage plan along with presenting timely updates as the work progressed. Result: Customer was impressed and retained their subscription.

Santa Monica, California, Us

Upleveling: Mentored engineers and guided them towards achieving their goals, facilitating career advancement.Quality Control: Added linters to the team projects to speed up code reviews and catch mistakes early.On-time Delivery: Guided the team to provide accurate high-level and mid-level project estimates. Result: the team completed projects on time using Agile/SCRUM methodologies.EQ: Leveraged Emotional Intelligence practices to foster a collaborative and enabling team environment with good work/life balance.

Santa Monica, California, Us

Santa Monica, California, Us

Improved various features on the existing messenger app, which is used by doctors and nurses at hospitals to securely communicate about patient details in a way that complies with HIPAA requirements. The customer deployment impact of TigerConnect Messenger is that it typically reduces the number of fatal accidents, improves staff retention and happiness, and cuts wait times for the ER by about half.

Los Angeles, California, Us

Wrote a clean and beautiful responsive analytics graph using React/Redux/Recharts/Ramda. Wrote and extended microservices in Node.js and Clojure. Emphasis on clean code, quality, test coverage, functional programming, and maintainability.

Beverly Hills, California, Us

Since Dec 2014, helped re-envision and rewrite the event (product) details website: responsive, mobile-first, React early adoption, A/B tests, feature flags, Java on server-side. Wrote and open-sourced a tool called jest-webpack-alias to help test React code, integrating Jest and Webpack. Wrote code-migration tool (codemod) to programatically apply file layout changes to JS code and update "require()" statements. Mentored other engineers: pair programming, code reviews. Participated and led discussion within the internal frontend working group to choose new technologies and approaches. Wrote well-received POC to automatically record test fixtures using a combination of Express and Yakbak. Wrote training material for new hires to explain the technical heritage and culture of the website team.In summer 2016, installed CDN in front of an existing data service for a 15x performance improvement, worked with the Fastly support team to achieve an unexpectedly high cache hit ratio, demo'd results to the executive team, wrote Bash test suite to ensure bug-free migration to that setup, and then Dockerized that data service. Identified and addressed issues with GC pauses and reliability while on-call.In 2013, launched a REST node.js backend service for order details with 1 million hits/day. Gathered requirements from multiple stakeholders to construct the API. Implemented DB connection pool, dark launch to sort out bugs, custom TCP clients for legacy services, early Promise-like implementation, patterns for async control flow, detailed logging with request IDs, analytics dashboards. Participated on the Ticketmaster Architecture Review Board.Since 2008 on the old Perl website, implemented Facebook Graph API integration, Interactive Seat Map widget on the event detail page. Improved performance of mouseover tooltips (DOM diffs). Spearheaded a successful proposal to migrate codebases from Subversion to Git, and led the decision to select GitLab for on-prem code hosting.

West Lafayette, In, Us

Worked with various RCAC (the Rosen Center for Advanced Computing at Purdue University) staff members to help carry out a variety of systems tasks. Used cfengine (a Chef predecessor) to manage permissions and packages across 1000's of machines. Wrote Python tool for inventory management.