Crypto Arbitrage Scanner
FinTech Scans 9 exchanges (Binance, Bitget, Bybit, Coinbase, OKX, KuCoin, Kraken, Gate.io, MEXC) for price inefficiencies. Uses Bellman-Ford shortest-path algorithm and triangular arbitrage detection. Includes a Swapper module for executing trades, WebSocket L2 order-book feeds, SDK bootstrapping for native exchange integrations, and a real-time balance monitor.
- ▸ 4,000+ LOC scanner with graph-based arbitrage detection
- ▸ 9 exchange integrations with 4 balance provider backends
- ▸ Live swap executor with dry-run and production modes
PythonccxtpandasWebSocketPyYAMLBinance SDKujson
OAI Code Evaluator
AI / ML YAML-driven evaluation pipeline with rule-based scoring across Instructions, Accuracy, Optimality, Presentation, and Freshness dimensions. Supports regex/substring matching, threshold conditions, ranking normalization, rewrite post-processing, and structured audit metadata output.
- ▸ 6-stage evaluation pipeline (adjust → rules → rank → rewrite → validate → summary)
- ▸ Declarative YAML rules with regex, substring, and threshold conditions
- ▸ 5-dimension scoring with configurable ideals and tolerances
PythonRichPyYAMLjsonschemaJinja2
Email Collector & Classifier
Automation Multi-account IMAP collector supporting Gmail, Hotmail (MSAL OAuth device-flow), and Exchange. Classifies emails into Scam/Suspicious/Spam/Clean/Unknown using a weighted scoring engine with 200+ domain rules, URL-shortener detection, phone-pattern matching, and fuzzy deduplication.
- ▸ 5-label classifier with weighted scoring and hard rules
- ▸ 200+ domain classification rules
- ▸ OAuth device-flow for Hotmail/Outlook
Pythonimap-toolsMSALlangdetectPyYAML
dataqbs.com Portfolio
AI / ML This very website — a LinkedIn-style portfolio with RAG-powered AI chatbot, built with Astro + Svelte + Tailwind on Cloudflare Pages.
- ▸ RAG chatbot with vector embeddings + Groq LLM streaming
- ▸ Knowledge pipeline: markdown → 58 chunks with 768-dim embeddings
- ▸ i18n (EN/ES/DE), dark mode, LinkedIn-style layout
AstroSvelteTailwind CSSCloudflare Workers AIGroqTypeScript
MEMO-GRID
FinTech Production grid trading microservice using ccxt with Binance Spot. Features Optuna hyperparameter optimization (50K trials), backtest engine with real fee modeling, attribution analysis (alpha vs beta decomposition), Monte Carlo projections, and 22 analysis tools. Includes FIFO inventory tracking, adaptive step sizing, and systemd deployment support.
- ▸ HPO with 50,000 Optuna trials (TPE sampler) for ETH/BTC grid parameters
- ▸ Backtest engine spanning 2017–2026 with maker fee modeling
- ▸ Attribution analysis: alpha vs beta return decomposition
PythonccxtOptunapandasNumPyPyYAMLpytest
VCA PostgreSQL Audits
Data Eng. Full audit and schema management framework for Azure Database for PostgreSQL. Includes per-object DDL export with Nunjucks templates, automated schema discovery, LLM-friendly schema_knowledge.json generation, and 20+ ticket-based database improvements across index optimization, FK remediation, timestamp normalization, and stored procedure reviews.
- ▸ 20+ tickets: index optimization, FK remediation, schema renames, timestamp fixes
- ▸ Templated per-object DDL exporter (Nunjucks) for CI/CD-friendly snapshots
- ▸ Technical Design Documents for 5+ database systems
PostgreSQLNode.jsJavaScriptNunjucksAzure PostgreSQL
IROC Video Wall Dashboard
Data Eng. Streamlit-based production monitoring dashboard for IROC operations across 7 Freeport-McMoRan mining sites. Features real-time metrics from Snowflake and Azure Data Explorer (ADX), 34 KPIs covering dig compliance, crusher rates, cycle times, and ROM tonnage. Includes RAG-powered AI chatbot with GitHub Copilot SDK, semantic model with 16 business outcomes per site, and auto-refresh every 60 seconds.
- ▸ 34 KPIs across 7 mining sites with real-time auto-refresh
- ▸ AI chatbot with RAG + GitHub Copilot SDK (zero-cost for enterprise)
- ▸ Semantic model: 16 business outcomes × 7 sites with ADX + Snowflake queries
PythonStreamlitSnowflakeAzure Data ExplorerKQLGitHub Copilot SDK
