Built a Dockerized Python/Ollama monitoring system for configurable web sources and multiple users. The pipeline fetches and cleans pages, discovers new items with an LLM, extracts schema-validated article data, applies a separate processing prompt, deduplicates results, and exports to CSV or Telegram. Includes async jobs, retries/exponential backoff, concurrency controls, SSRF/redirect/response-size protection, persistent state, admin/user controls, automated tests, and CPU/GPU Compose profiles.
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Built GearFlow as a multi-sided equipment rental marketplace supporting P2P, platform-owned, and hybrid operating models. I implemented renter/owner roles, listing CRUD, availability and booking conflicts, P2P chat with negotiated offers, rental contracts, escrow/payment workflows, disputes, moderation, reviews, support, analytics, admin controls, Cloudflare R2 uploads, Turnstile, rate limiting, and security hardening. The public repository is a sanitized portfolio build with production credentials excluded.
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Built a quantitative research desktop pipeline that converts OHLCV data into causal SMC market-structure events, custom context/Volume Profile features and TP/SL-labelled datasets, then trains XGBoost with chronological train/validation/test splits, calibration, validation-only thresholding and leakage checks. The research layer is evaluated with realistic backtesting including fees, slippage, overlap control and equity risk sizing. The public demo preserves the architecture but replaces proprietary scoring, targets and features with generic examples.
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Built Armenian Sound end-to-end as a live production marketplace for licensed digital audio. I designed the full-stack architecture and implemented authentication, customer accounts, catalog/search, cart and checkout, payment integrations, order management, admin/back-office tools, PostgreSQL/MongoDB persistence, and secure digital delivery via private object storage and expiring signed URLs. The public repo is a sanitized portfolio demo; production credentials, payment internals, and security-sensitive infrastructure are intentionally excluded.
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