# isik > Backend Systems & AI Engineer with 8+ years of industry experience across startups and enterprise platforms. ## Overview Hüseyin Işık (known as 'isik') is a software and systems engineer specializing in high-scale distributed backend platforms, transactional data pipelines, and production-grade agentic AI systems for the agentic era. ## Core Specializations - Backend Systems & Platforms: Scalable microservices, distributed queues, and resilient API architectures (100K+ RPM, 99.99%+ SLA) using Node.js, Python, and Go on Kubernetes and cloud platforms. - Autonomous Agents & Transactions: Stateful agentic workflows beyond basic chatbots. Scoped agent identity, authorization boundaries, idempotent tool executions, blast-radius containment, and mitigating Confused Deputy vulnerabilities and indirect injection in autonomous tool executions. - LLM Evaluation & Observability: Automated model evaluation suites, distributed telemetry, prompt injection defense, and latency/cost-optimized model routing in production. - Security & Data Privacy: MSc in Cybersecurity background. Zero-trust service communication, auditability, data privacy, and enterprise regulatory compliance (GDPR, ISO 27000) across backend and AI layers. ## Technical Environment & Stack - Cloud Platforms: AWS (primary), with working knowledge of Azure & GCP. - Systems & Runtimes: Linux, macOS, Containers, Kubernetes, Serverless Cloud Functions. - Core Languages: Python, Go, Node.js / TypeScript. - Data & Operations: PostgreSQL, Redis, MongoDB, Message Queues (RabbitMQ/SQS), CI/CD automation. ## Contact & Security - Email: 0cxgju9k5@mozmail.com - Security Policy: https://isikhuseyin.com/.well-known/security.txt (RFC 9116) - Website: https://isikhuseyin.com