Saeid Saadatigero

Senior Backend Engineer (Django) | AI/ML Engineer | Agentic AI Systems

Iran

About

Results-driven Senior Python Developer and AI Engineer with 3+ years of hands-on production experience architecting scalable web applications using Django/DRF and building intelligent automation ecosystems. Expert in designing Multi-Agent AI systems (Agentic AI) with LLM orchestration (DeepSeek/OpenAI), algorithmic trading engine development (PersianLionTrader with MT5 + RL), and advanced Prompt Engineering. Specializes in breaking architectural bottlenecks, implementing zero-downtime microservices, and delivering production-grade systems under real-world constraints. ENTJ strategic thinker with a fast-learning mindset.

Experience

  • GSM GPT — Science and Technology Park (8 mos)
    • Senior Backend Developer & AI/Quant Engineer
      Jan 2026 - Present · 6 mos

      • Engineered decoupled RESTful APIs using DRF with Service Layer pattern; enforced strict OOP and eliminated N+1 DB bottlenecks via ORM prefetching. • Built AI-powered data-parsing models integrated with DeepSeek LLM using Zero-Shot and Template-Driven prompt engineering, achieving ~100% structure accuracy on dirty datasets. • Deployed distributed async task architecture (Celery + Redis) with circuit breakers and stateful fallback to guarantee order delivery during third-party downtime. • Engineered a FastAPI reverse-proxy (Bridge) with header tunneling to route API calls securely around network sanctions. • Integrated international payment gateways (Zarinpal, WebMoney/Crypto) with row-level PostgreSQL locking to prevent race conditions in concurrent wallet operations. • Authored integration and unit test suites using pytest + unittest.mock.patch; deployed on Ubuntu with optimized Nginx/Gunicorn configuration.

    • Software Engineer
      Nov 2025 - Jan 2026 · 3 mos

  • Web Developer & Administrative Specialist at Raz Shimi Azma Co.
    Apr 2025 - Oct 2025 · 7 mos

    • Designed, developed, and managed full corporate web infrastructure from requirements analysis to deployment using WordPress with advanced theme customization and plugin management. • Optimized Core Web Vitals, database indices, and server-side caching to significantly improve page load speed and UX.

  • AI Engineer — NLP, Speech Processing at Vira 110 — Science & Technology Park / Ferdowsi University (Internship)
    Jun 2024 - Sep 2024 · 4 mos

    • Built a real-time ANPR system using YOLOv3 + Tesseract OCR processing live IP camera streams for Iranian license plates. • Integrated multilingual LLMs (GPT-Neo via Hugging Face, Gemini API) into Django backends with CSRF hardening and token-based rate limiting. • Developed Persian STT/TTS pipelines and NER extraction using NLTK + BART-large-cnn for high-accuracy text summarization. • Fine-tuned image classifiers via TensorFlow Hub + Inception V3; applied Mixed Precision training to cut VRAM usage.

  • Saadati Mobile & IT Services (5 yrs 2 mos)
    • Senior IT Technician & Technical Unit Manager
      Sep 2019 - Oct 2023 · 4 yrs 2 mos

      • Managed an independent technical unit providing B2B and C2B hardware/software services to corporate and retail clients. • Deployed network infrastructure, OS configurations (Windows/Linux), VLAN setup, wireless antennas, and hardware/software firewalls. • Performed advanced PCB-level diagnostics, SMD component replacement, and system assembly with focus on stability and performance.

    • Information Technology Technician
      Sep 2018 - Sep 2019 · 1 yr 1 mo