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Elizabeth Wynn

@elizabethwynn

Software developer building agent systems and coding-agent evaluations, with research at SPAR on whether LLM self-reports reflect internal states.

United States
Message

At SPAR, I’m conducting concept-injection experiments to investigate whether LLM self-reports reflect internal model states or only the supplied context.

In my independent software engineering work, I’m developing code-defined agent pipelines and evaluations based on recorded engineering decisions. After prompt and RAG approaches plateaued at 65% agreement with my rulings, I expanded the work to fine-tuning a model.

I also designed and built a hybrid RAG system for coding agents, combining graph and vector retrieval with source-version history to assemble related context in a single request.

At Chegg, I replaced an unreliable AI-based student scheduler with a deterministic TypeScript implementation using a min-conflicts algorithm and a schedule-conflict verifier. I also built tools for upgrade testing and support workflows, and adapted a legacy Python application during an Auth0 migration.

Experience

Work history, roles, and key accomplishments

SP
Current

Research Fellow

SPAR

Sep 2026 - Present (1 month)

Conducting concept-injection experiments to investigate whether LLM self-reports reflect internal model states or are shaped only by the supplied context.

Chegg logoCH

Software Developer II

May 2022 - Jan 2026 (3 years 8 months)

Traced undocumented enrollment logic in a legacy Python application and adapted authentication flows during an Auth0 migration. Replaced an AI-based scheduler with a deterministic TypeScript implementation and built upgrade-testing tools.

EA

Software Developer

Evergreen ATM

Dec 2019 - Aug 2021 (1 year 8 months)

Built Kotlin migration tooling with MyBatis to map fields between legacy and replacement database schemas. Developed Vue and JavaScript UI components for sensitive input masking.

SH

Software Developer

Sumato Homes

Nov 2016 - Jul 2019 (2 years 8 months)

Worked with residential customers to implement home automation preferences and explained technical constraints. Built a Python workaround for an undocumented Google device limit during a large voice-control installation.

Hewlett Packard Enterprise logoHE

Intern

Jun 2015 - Aug 2016 (1 year 2 months)

Built a Python server-inventory application that reduced the quarterly two-day inventory to a simple two-hour checklist.

Education

Degrees, certifications, and relevant coursework

Elizabeth hasn't added their education

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