Experience | Fynn Buesnel

Joined MirrorTab for summer 2026 to help build Haven, an AI-powered browser safety layer that helps people verify links and avoid fake sites.
Working on the engineering team building technology that keeps users safer online.

Architected automated user engagement workflows for 50,000+ users using Scala, supporting platform retention goals.
Shipped a creator video upload flow for 500+ users and redesigned a content display component through two rounds of designer and user feedback.
Led the Expo SDK 53 to 54 upgrade with full end-to-end QA across all React Native features.
Migrated in-app purchase validation from Apple StoreKit V1 to V2, updating receipt verification endpoints critical to revenue infrastructure.
Transitioned weather data from OpenWeatherMap to Apple WeatherKit, improving accuracy for iOS users and reducing third-party API costs.

Provided mentorship and grading support for a graduate-level course on server application development.
Created and refined grading rubrics to ensure fairness and consistency across assignments.
Advised students on technologies for their final projects based on my experience in software engineering roles.

Built and shipped a mobile ticketing commerce feature accessible to 2.5M+ users, processing $15k+ in gross transaction volume.
Optimized OpenAI batch API costs by 50%, saving results directly to Google Sheets via automation.
Overhauled an internal tool used by 30+ e-commerce partners.

Lead weekly office hours to help 300+ students solidify linear algebra concepts.
Direct students on how to implement linear algebra concepts using Python.
Grade over 200 assignments per week by creating a rubric and assigning points.

Developed a new file upload front-end in Typescript to streamline the experience for over 500 users.
Fixed over 30 bugs throughout their web app locating their source and pushing fixes to development.

Grade: GPA 3.93/4.00, Dean's List (All Semesters)
Degrees: Bachelor's of Arts in Computer Science, Bachelor's of Arts in Economics
Activities and Societies: KTP (Kappa Theta Pi Lambda Chapter), ΣΧ (Sigma Chi Iota Upsilon Chapter), Fashion Club, Student Food Rescue, Boston Hacks, Intramural Volleyball
Classes: CS131 Combinatoric Structures, CS132 Geometric Algorithms, CS330 Analysis of Algorithms, CS460 Introduction to Database Systems, CS411 Software Engineering, CS392 .NET and C# Programming

Grades/Scores: 4.0/4.70 UW/W GPA, 35 ACT
Degree: International Baccalaureate Diploma, High School Diploma
Awards: Valedictorian, Faculty Designated Awards (Math, History, Modern & Classical Languages, English), 4-Year Prizes (Math, English)
Activities and Societies: Varsity Volleyball, Co-Founder Garden Club, Founder Social Justice Literary Club, Software Engineer for IB-Keyword-Search, Poetry Festival Panelist, Study Abroad Programs (Berlin, Copenhagen, and Rome)