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Volodymyr P.VP

Volodymyr P.

Full-Stack Engineer | Python

€300/day
Cullera, ES
8-15 years

Average response time: 1 hour

About Volodymyr

I am an AI Product Architect and Technical Lead with 15+ years of IT experience, transitioning from a successful Solo Founder background (AdTech/Automation) to building cutting-edge GenAI products.

My core strength is Pragmatic Architecture: I build systems driven by business metrics (ROI, Time-to-Market), avoiding over-engineering. I don't just write code; I design complete product ecosystems.

🔹 Applied AI & LLM Orchestration: Designing multi-agent systems, RAG pipelines, and AI-driven automation using Python, FastAPI, LangGraph, and DSPy. I implement strict cross-validation between LLMs (e.g., Opus vs. Gemini) to eliminate blind spots.

🔹 Security-Focused Development: Leveraging a background in pentesting and vulnerability analysis to build secure architectures (Defense in Depth) and protect AI pipelines from prompt injections and data leaks.

🔹 Performance & Automation: Deep expertise in high-concurrency data processing (asyncio, NumPy), latency reduction, and bare-metal Linux infrastructure (Nginx, Cloudflare, automated recovery drills).

I thrive in "Zero-to-One" environments (Seed/Series A startups or R&D labs) where I can take full ownership of the technical product lifecycle.
  • Ukrainian

    Native or bilingual

  • English

    Fluent

  • Spanish

    Basic

Can work on-site
Cullera (up to 50km)

Experience

  • Cullera
    AI Product Architect & Lead Python Engineer
    October 2025 - Today (8 months)
    Leading the architecture and development of AI-driven products and high performance trading systems.
    • • Security & QA: Implemented LLM cross-validation architecture to detect hallucinations and vulnerabilities.
  • Private
    Lead Python Engineer
    February 2024 - October 2025 (1 year and 8 months)
    Cullera, Valencia, Spain
    Architected and launched cryptotrading arbitrage platform, sustaining 99.7% uptime across 4 concurrent exchange connections and processing ~1.2M market ticks per week without operator intervention.
  • Monster Publishers
    Product Founder & Lead Developer
    June 2009 - January 2024 (14 years and 7 months)
    Kyiv, Ukraine, 02000
    Bootstrapped and scaled a profitable AdTech and Affiliate Marketing business, acting as a solo founder and lead engineer. Managed the entire product lifecycle from concept to monetization.
    • • Data & Automation: Developed complex web crawlers and ETL pipelines handling gigabytes of data. Offloaded high-concurrency parsing tasks to Java to optimize server resources.

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Education

  • Informatics
    Tavria National University
    Informatics

Skill set

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