Brian MerrimanTanji Systems
senior frontend engineer · complex-data applications · new york, ny · · github · full résumé
Open to full-time roles — senior frontend engineer / frontend software engineer · complex-data applications · NYC on-site, hybrid, or remote · available now · · résumé PDF · DOCX
Ingrid
local-first hierarchical grid application · production sync and billing
Just shipped
Showdown Elo
MLB player Elo · 8M+ pitches · nightly
Experience
JPMorgan Chase
lead software engineer
Selected work
Ingrid
Personal software project2026- Built a local-first hierarchical grid application with client-side persistence, production cloud synchronization, and subscription billing
Showdown Elo
Personal software project2026- Built an automated nightly MLB ratings and data-visualization publication from 8M+ Statcast pitches; benchmarked the models against betting markets and published the negative result
Experience
JPMorgan Chase
Lead Software Engineer (Vice President)New York · Feb 2025 – May 2026Software Engineer III (Associate)Jan 2023 – Jan 2025
- Built a multi-grid analytics workspace for users to explore, join, pivot, and retrieve large server-held datasets
- Virtualized rendering with visible-window data fetching over WebSockets, client-side caching, and state management
- Primary frontend engineer during the application’s first year
- Evaluated LLM workflows; created reusable project guidance and UI component constraints for AI-generated code
OKG Tech
Software EngineerNew York · Mar 2022 – Dec 2022- Primary implementation engineer on an updated bus-ticketing system (React, Node.js) — four-person team
- Developed scheduling, vaccination, appointment reminder, and clinical workflow features integrated with eClinicalWorks and existing operational systems
Yunshang Tea
Co-FounderZhejiang, China · Sep 2015 – Nov 2021- Managed retail and wholesale operations for a specialty tea business
- Built database workflows for inventory, sales, and business operations
Skills
- Programming
- JavaScript (ES6+), SQL, HTML5, CSS3
- Frontend
- React, vanilla JavaScript, data visualization, frontend architecture, virtualized rendering, web performance optimization, state management, client-side caching
- Data & Backend
- Node.js, SQLite, IndexedDB, Dexie, REST API integration, WebSockets, local-first synchronization, data modeling
- Engineering
- Git, deployment
Education
Manhattan College
BA, Computer ScienceBronx, NY- magna cum laude · Phi Beta Kappa