Tarik Massac
- email: [email protected]
- github: github
Experience
Software Engineer II
American Express
April 2023 — June 2025
- Led development of deceased account transfer feature processing 500+ account transitions monthly, preserving customer history and reducing account closure rates by 30%.
- Led development and release of NFT Passport product enabling users to mint NFTs based upon travel behavior to drive digital engagement and increase travel spending.
- Led team handling production bug triage which affected 20% of new customer signups in European markets for new products.
- Built Splunk monitoring dashboard used by 15+ engineers for API health tracking, reducing mean time to detection (MTTD) and enabling proactive alerting that prevented 10+ production incidents.
- Maintained Customer 360 Java APIs processing 50M+ daily requests with 99.95% uptime, supporting global customer insights across 20+ markets and 100M+ customer records. • Mentored 2 junior engineers through onboarding and code reviews, reducing ramp-up time from 3 months to 6 weeks and improving team velocity.
Software Engineer
Bandcamp
April 2018 — April 2023
- Developed and maintained the company livestreaming service Bandcamp Live. serving 200,000+ artists handling 500+ artist livestreams monthly.
- Integrated real-time crowdfunding features into livestreams, enabling artists to raise $500,000+ through 500+ campaigns with live donation tracking and chat alerts.
- Built chat moderation tools processing 10,000+ messages daily across 100+ concurrent streams, reducing ToS violations by 20%.
- Developed UI and APIs for “Fan Details” feature that allows fans to see what purchases they have in common with other users in livestream chats increasing chat engagement by 25%.
- Built reporting system processing 500+ user reports monthly, reducing violation review time from 72 hours to 24 hours and improving Terms of Service enforcement by 40%.
- Led development of accessibility overhaul for mobile app, enabling new accessibility features in order to reach more users.
- Rebuilt mobile application from a React Native style application to use a more platform native approach.
Skills
Languages
Bash, GraphQL, HTML, JSON, Java, JavaScript, MySQL, Postgres, Python, Ruby
Concepts
Containerization, Databases (Postgres, SQL), Design Patterns (REST API Design, MVC), Testing (Unit, Component, Integration, End-to-end), Version Control (Git, SVN), Web Application Development,
Education
Bachelor of Science Computer Science
Howard University
2014 - 2017