Alli Smith Email & Phone Number

California, United States

Redwood City, Ca, Us

*Developed automated data deletion service for deleting student data on a complex EdTech product (Ruby on Rails, Postgres, Airflow)*Tuned performance on data deletion system, making deletions safe for parallelization, idempotent and resumable, and cutting memory consumption and cpu time significantly*Added monitoring, dashboards, testing, and formal validation steps for deletion system reliability*Implemented Roles and Permissions system to improve security on the complex authorization needs of an EdTech application used by students, teachers, administrators, and other roles

Sunnyvale, Ca, Us

Worked on the Performance Applications team on the product Redliner● Developed Redliner: a set of Python applications used for measuring capacity and performance,adopted across LinkedIn for hardware allocation and diagnosis of performance bottlenecks● Built offline data processing pipelines and a set of dashboards for users (other LinkedInengineers) to see graphs of their applications’ capacity over time (MySql, Hadoop, NoSql)● Wrote client libraries for front-end and back-end load balancers

Palo Alto, Ca, Us

A 4-month fellowship as a data engineer, which here means a full stack software engineer on the data science team, building tools and infrastructure to help product analysts, conducting A/B tests, or just building features on the web app.- Researched, designed, and implemented a new generic infrastructure for creating and running KA’s data transformation and analysis pipelines, cutting query costs, saving time for analysts, and making it easy for decisions to be more data-driven company-wide- Created essay practice feature for SAT prep, giving dynamic essay feedback for 3 million learners- Conducted A/B tests and analyzed results- Converted Alertlib (KA’s open-source general alert library) to support both Python2 and Python3- Improved accessibility by testing and expanding screen reader and keyboard navigation support- Made a text adventure game to help kids learn grammar- 2017 Khan Academy Python Bee champion

Mountain View, California, Us

Created a microservice for calculating topic relevance for cross-platform video creatorsContributed to a service to detect and correct anomalies in historical view, engagement, and subscriber data for videos and creators across most video platformsDid performance tuning on Elasticsearch query builder to reduce memory consumptionTook ownership of the Daily Summary Emails feature; made use of new backend service, added monitoring and dashboards

San Jose, California, Us

Test client web applications for security vulnerabilities. This includes manual business logic assessments, verifying vulnerabilities found by a web application scanner, as well as configuring the scanner to get the best possible coverage of the application by configuring the scanner individually for different applications to see that it can to log in, see all content, and inject on forms, all with a focus on finding vulnerabilities while remaining production-safe.