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Marcus Jeong
Mid-level Frontend-Focused Full-Stack Developer specializing in React and TypeScript
Toronto, CanadaFull Stack Web Developer6 years experienceMid-LevelSaaSWeb DevelopmentTechnology
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About
Frontend engineer at LodestonePM who led end-to-end delivery of an AI release-notes generator (OpenAI API) and a Kanban-style release board in Remix/React/TypeScript. Demonstrated scalable architecture (bridging tables, upserts), strong QA practices, and measurable performance wins (200+ item loads reduced from 10–20s to a few seconds via caching/pagination), plus UX improvements like simplifying a Jira integration flow.
Experience
Full Stack Web DeveloperLodestone Product Management
Assistant ManagerFran’s Restaurant
Education
McMaster Universitybachelor, Philosophy (2019)
Key Strengths
- End-to-end ownership of frontend features integrating multiple data sources and OpenAI API
- Architected scalable data relationships using a bridging table to ensure fast validation/lookup
- Strong quality focus via client/server validation and type consistency checks
- Built complex Kanban-style workflow with drag-and-drop and server-persisted ordering/ranking
- Performance optimization on large datasets (200+ rows) using caching and pagination (10–20s down to a few seconds)
- Shipped major module in a 4-week sprint with integration tests and staged rollout (local/staging/prod)
- Pragmatic problem-solving integrating export libraries to support PDF/PNG/PPT and modernizing legacy export controls
- UX-driven collaboration: reduced Jira integration setup from 6–8 interactions to 3–4
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