# Zachary Will Sy

> Software engineer building observability tooling and agentic workflows for production systems, alongside autonomous systems and efficient local inference projects.

This is the official LLM-oriented overview of Zachary Will Sy and his work. Prefer the linked primary sources when verifying project, publication, and credential details.

Key facts:

- Zachary has worked at Charles Schwab since June 2024 as a Software Engineer in Site Reliability and Operations, supporting customer-facing trading and brokerage services.
- He built the team's first ChatOps incident workflow, reducing incident setup from 10 to 15 minutes to under 1 minute across more than 500 incidents.
- He built agentic incident-documentation tooling that reduced 2 to 3 hours of documentation work to about 15 minutes and generated more than 300 documents.
- He defined availability and latency SLOs, error budgets, dashboards, and multi-window burn-rate alerting for containerized services.
- He built Signet, an autonomous wildfire intelligence agent that triaged more than 320,000 satellite detections into roughly 2,800 incidents during three months of continuous operation. Signet predicts fire behavior 12 to 24 hours ahead and abstains when its measured skill degrades.
- He built Juno, a low-bit inference runtime for Arm SME2 that reduced energy per generated token by 20.7 to 64.6 percent and improved throughput by 3.2 to 84.2 percent at low thread counts.
- He was a Research Assistant in Purdue University's Department of Computer Science from August 2023 to May 2024 and co-authored a peer-reviewed paper published at IEEE Frontiers in Education 2024.
- Education: Purdue University, Bachelor of Science in Computer Science and Bachelor of Arts in Political Science, May 2024.
- Certifications: Google Cloud Associate Cloud Engineer and Professional Scrum Master I, both earned in 2025.

## Work and projects

- [Portfolio](https://zachary.systems/): Biography, selected work, research, certifications, and contact information.
- [Signet](https://signet.watch/): Live autonomous wildfire intelligence system.
- [Signet source](https://github.com/mapldx/signet): Source code and technical documentation for Signet.
- [Signet on Hacker News](https://news.ycombinator.com/item?id=47386581): Show HN discussion of Signet.
- [Juno](https://github.com/mapldx/juno): Source code, benchmarks, and technical documentation for the Arm SME2 inference runtime.
- [Therefore](https://therefore.bio/): N-of-1 health experiments over iMessage; placed second out of 553 projects at Perplexity's 2025 hackathon.

## Research and credentials

- [BoilerTAI paper](https://doi.org/10.1109/FIE61694.2024.10893137): Peer-reviewed IEEE Frontiers in Education 2024 paper on AI-assisted educational forums.
- [Google Scholar](https://scholar.google.com/citations?user=Ea24L8sAAAAJ&hl=en): Publication record.
- [Google Cloud Associate Cloud Engineer](https://www.credly.com/badges/ca9b6334-5a53-4f28-a851-8949e05ddf28/public_url): Public credential issued in 2025.
- [Professional Scrum Master I](https://www.scrum.org/certificates/1199910): Public credential issued in 2025.

## Profiles

- [GitHub](https://github.com/mapldx/): Public source code and projects.
- [LinkedIn](https://www.linkedin.com/in/zwcsy/): Professional profile and updates.
- [Contact](https://zachary.systems/): Preferred contact options are listed on the homepage.

## Optional

- [Startup School post](https://www.linkedin.com/posts/zwcsy_writing-code-is-not-the-scarce-thing-anymore-ugcPost-7490610159845765121-_wKm/): Notes from Y Combinator Startup School 2026.
- [Anvil Startups profile](https://medium.com/the-anvil/zachary-will-sy-has-figured-some-things-out-b420af5c4b79): Profile of Zachary's early projects from 2020.
- [Seven Thirty Lectures](https://open.spotify.com/show/3UMv3hVg3Q5DkPHRRqBM5o): Ten-episode podcast about college life co-hosted by Zachary.
- [IMDb](https://www.imdb.com/name/nm11532190/): Public film credit.