AI Systems, Cloud Infrastructure & Full-Stack Engineering Projects

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Featured Projects

6 projects

CareerOS

Private product with public evidence · public-careeros

Problem: Resume versions and recruiting history drift apart without evidence.
What I Built: Built a C# and PostgreSQL workspace over versioned resumes, recruiting history, and user corrections, with human review before any update.
Impact: Passed 118/130 regression contracts (90.8%) with 0 unsafe automatic mutations.

C#PostgreSQLAI AgentsEvaluation

Code →Demo →Case Study →

Token Bar

Public native macOS utility · token-bar

Problem: Claude Code and Codex split usage across separate local sources.
What I Built: Built a native menu bar app for quota windows, local activity, cost estimates, and stale-state recovery.
Impact: Keeps both providers visible through partial failures without uploading raw transcripts.

SwiftSwiftUIAppKitmacOS

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OAuth 2.0 Security Reference

Public security reference · Next.js-OAuth2-Template

Problem: Email matching can enable account takeover and leave OAuth replay gaps.
What I Built: Built provider-first identity, verified-email checks, one-time PKCE and state, rotated Redis sessions, and rate limits.
Impact: Tests cover replay, email collisions, concurrent callbacks, session rotation, redirects, and role downgrades.

Next.jsPostgreSQLRedis

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Agent Sandbox Eval

Public evaluation framework · agent-sandbox-eval

Problem: Agent evaluations need reproducible tasks and isolated execution.
What I Built: Built 25 sandboxed tasks with deterministic grading, replay, and hardened Docker controls.
Impact: Oracle and local controls score 25/25; the no-op control scores 0/25.

PythonDockerAI AgentsEvaluation

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Boring Agent Memory

Public memory infrastructure · boring-agent-memory

Problem: Agents need local recall without replacing source files or crossing workspace boundaries.
What I Built: Built SQLite FTS5/BM25 retrieval with provenance, freshness checks, redaction, and workspace filters.
Impact: Across 120 synthetic queries: 0.990 Recall@1, 0.995 MRR, and 0 privacy leaks.

PythonSQLiteFTS5Retrieval

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LLM Inference Acceleration Playground

Public benchmark toolkit · llm-inference-acceleration-playground

Problem: Inference comparisons fail when workloads, hardware, or run artifacts differ.
What I Built: Built streaming load tests, latency reports, KV-cache estimates, GPU telemetry, and claim-audit gates.
Impact: Excludes mock, incomplete, and incomparable runs from performance rankings.

PythonLLM ServingEvaluationGPU Telemetry

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Other Projects

8 projects

BongoCat

A native macOS desktop companion that reacts to keyboard, pointer, mouse, and game-controller input using SwiftUI, AppKit, Metal, and Live2D Cubism.

SwiftAppKitMetalmacOS

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Sequential Recommendation Benchmark

Team offline benchmark

A team benchmark comparing MostPopular, ItemCF, NeuMF, and SASRec for leave-one-out next-item prediction on the KuaiSAR short-video interaction dataset.

PythonPyTorchRecommendation SystemsSASRec

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cc-lite

Public research baseline

An AlphaZero-style Xiangqi research baseline with a legal-move engine, PyTorch policy-value CNN, legal policy masking, PUCT MCTS, self-play, training, and engine distillation.

PythonPyTorchMCTSXiangqi

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SFML Graphing Calculator

Graphing_Calculator_SFML

A C++17 and SFML graphing calculator with expression parsing, RPN evaluation, interactive plotting, expression history, and headless tests.

C++SFMLParsingComputer Graphics

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Tripemini

A 48-hour multimodal food and travel MVP with bounded Gemini inference, structured TypeScript outputs, validation, deadlines, rate limits, and concurrency controls.

TypeScriptNext.jsGeminiVercel

Code→Demo→

Website Image Downloader

Website-Image-Downloader

A bounded Next.js ingestion service with DNS pinning, redirect revalidation, SSRF and DNS-rebinding defenses, private-address blocking, timeouts, and deterministic security tests.

TypeScriptNext.jsSecurityAutomation

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SQL in C++

SQL

A C++17 paged storage engine with a CLI DSL, 4 KB checksummed pages, persistent B+ tree indexes, WAL-backed atomic writes, copy-first migration, and sanitizer-backed crash-recovery tests.

C++SQLStorage EngineDatabase Systems

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Mail Guard

mail-guard

A team IoT mailbox-monitoring prototype with ESP32-CAM firmware, a Next.js backend, image storage, and alert workflows.

Next.jsTypeScriptC++IoT

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