Good day!
My name is Nikolai
IT professional with 10+ years of experience supporting high-load production systems in enterprise and FinTech-like environments. Strong background in L2/L3 support, backend QA, and data validation, with a focus on system reliability, performance, and incident resolution.

Experienced in troubleshooting complex systems, analyzing logs and metrics, and ensuring data accuracy across integrated services. Proven ability to work in fast-paced environments, collaborate with cross-functional teams, and maintain high availability of business-critical systems.

👨‍💼 Role: Production Support Engineer / Backend QA (FinTech / High-Load Systems)
💻 Experience: >14 years (IT), ~1 year (PM)
🌐 Languages: EN (B1), RU (native)
💬 Telegram: @D3upT
ℹ️ LinkedIn: https://www.linkedin.com/in/nikolai-barinov/