Brennan Fife
Denver,CO
Summary
Full-Stack Engineer with experience in architecture, scaling, and leading engineering initiatives. Proficient in React, TypeScript, Next.js, and Node.js. Experience in building web platforms, internal APIs, and analytics tooling.
Overview
8
8
years of professional experience
Work History
Senior Full-Stack Engineer / Technical Lead
Spearbit / Cantina
03.2023 - 03.2026
- Founding engineer who helped take Cantina’s security marketplace from early prototype to production platform.
- Built early platform systems and onboarding workflows, scaling to 5,000+ security researchers and 100+ clients during initial launch.
- Built and owned core product workflows (repository ingestion, audit findings, dashboards), enabling end-to-end security reviews.
- Partnered with clients, auditors, and researchers to gather feedback and iterate on product workflows, improving usability and driving platform adoption.
- Built an alert-to-incident pipeline for an AI-driven security platform, reducing investigation time from hours to minutes.
- Integrated and leveraged monitoring tools (Datadog, Falco, PagerDuty) to identify production issues and performance bottlenecks, improving system reliability.
- Delivered 2,200+ PRs and reviewed 2,400+ PRs in a high-velocity TypeScript codebase.
- Led internal adoption of AI development tools (Cursor, Claude Code), onboarding engineers and accelerating development workflows.
Director of Software, Sr. Front-end Engineer
WeMeta Labs
08.2021 - 03.2023
- Architected and built WeMeta's production web platform using React, TypeScript, and Next.js, supporting analytics and data systems for virtual land marketplaces.
- Designed and implemented core frontend systems including component architecture, user flows, and developer tooling.
- Built internal APIs and analytics tooling using Python and Flask to power platform metrics and leaderboards.
- Created modular JavaScript packages used by scene builders to integrate platform data into their dashboards.
- Led and mentored a team of five engineers and data scientists while improving engineering processes including code review, QA, and development workflows.
Front-end, Web3 Engineer
DEX Labs
08.2020 - 11.2021
- Led architecture and development of multiple client-facing products including trading leaderboards, governance applications, and derivatives exchange interfaces.
- Owned and shipped the full-stack implementation of Hashes, an NFT generative art platform and DAO built around the Keccak-256 hash.
Front-end, Web3 Engineer
Superworld
03.2020 - 08.2020
Front-end Engineer (internship)
BitBroker Labs
01.2020 - 05.2020
Front-end Engineer (internship)
Omega One Special Projects
New York City, NY
05.2018 - 07.2018
Education
B.S. - Computer Science, Economics
University of Wisconsin-Madison
Madison, WI01-2019
Skills
- React and TypeScript
- Front-end architecture design
- JavaScript frameworks
- Tailwind CSS
- Nodejs development
- PostgreSQL database management
- API design principles
- Python programming
- CI/CD practices
- GCP and AWS cloud services
- Ethersjs for blockchain integration
- TRPC for remote procedure calls
- System architecture expertise
- Performance optimization
- Continuous integration
- DevOps principles
Timeline
Senior Full-Stack Engineer / Technical Lead
Spearbit / Cantina
03.2023 - 03.2026
Director of Software, Sr. Front-end Engineer
WeMeta Labs
08.2021 - 03.2023
Front-end, Web3 Engineer
DEX Labs
08.2020 - 11.2021
Front-end, Web3 Engineer
Superworld
03.2020 - 08.2020
Front-end Engineer (internship)
BitBroker Labs
01.2020 - 05.2020
Front-end Engineer (internship)
Omega One Special Projects
05.2018 - 07.2018
B.S. - Computer Science, Economics
University of Wisconsin-Madison