I'm a Burnett Honors College student double-majoring in CS and mathematics at UCF, graduating this December
with a 4.0. My honors thesis is in graph theory, on edge reconstruction of split graphs: a 2020 paper got the
degree-associated version wrong, so I found a counterexample and am working on proving the corrected
classification. The bigger
result is a complete trichotomy of edge reconstruction numbers for split graphs. I defend in the fall.
Outside the thesis I build backend systems. A Rust pub/sub broker load-tested with 10,000 simultaneous
WebSocket subscribers. A hybrid search engine whose BM25 inverted index runs about 590× faster than the
Python reference while returning identical rankings. And a campus free-food app driven by a reputation-weighted
freshness model. Everything below links to code.
Tolgahan
THESIS
Edge reconstruction numbers of split graphs. A complete trichotomy, plus a counterexample and
corrected classification for the degree-associated version, checked against 5M+ graphs ·
code ↗
2025–26
HONORS
Burnett Honors College · Pi Mu Epsilon Mathematics Honor Society · 3rd Place,
Intercollegiate Programming Competition (2023)
UCF
PROJECT
Concurrent pub/sub broker in Rust. Load-tested with 10,000 simultaneous WebSocket subscribers;
separately sustained 619k+ fan-out deliveries/s with zero drops and <4.3 ms p99 end-to-end latency.
Prometheus/Grafana instrumentation; SLO boundary at 62.5k–65k publishes/s ·
code ↗2026
PROJECT
Scholar-RAG, hybrid search over academic papers. BM25 in Rust, ~590× faster ·
code ↗
·
live demo ↗
2026
PROJECT
Incident pipeline on AWS. Safe to replay, scales to zero ·
code
↗2026
PROJECT
Crumb, a cross-platform campus free-food app. Its reputation-weighted freshness model combines
asymmetric crowd votes with exponential time decay and automatic expiration ·
code ↗ ·
live app ↗
Demo login: demo@tolgahanpoyraz.com / CrumbDemo2026!
2026
PROJECT
UCF parking app for iOS. Live garage availability, with a notification for the best garage as
you get close to campus ·
code ↗ ·
TestFlight ↗2026
WORK
AI Code Quality Analyst, DataAnnotation. Top ~2% reviewer
2024–25
WORK
Software Quality Engineer, contract. 95%+ backend test coverage
2022–23