Principal Engineer | AI/ML & Distributed Systems Expert
📍 Chicago, IL | 📧 ckochx@gmail.com | 🔗 LinkedIn
I'm a Principal Engineer with 15+ years of experience building scalable systems and driving technical innovation. I've led platform transformations that delivered $10M+ in cost savings and pioneered enterprise AI/ML strategies that process 500K+ daily queries with 99.9% uptime.
- Languages: Elixir, Ruby, JavaScript, TypeScript, Python, Java, Scala, Go
- Frameworks: Phoenix, Phoenix LiveView, Ruby on Rails, Node.js
- AI/ML: OpenAI API, Anthropic Claude, LangChain, Vector Databases, RAG Systems
- Infrastructure: AWS, Kubernetes, Docker, Terraform, PostgreSQL, Redis, Kafka
- Observability: OpenTelemetry, DataDog, Prometheus, Grafana
- Enterprise Platform Transformation: Architected migration from legacy microservices to Elixir-based distributed monolith, achieving $10M+ annual cost savings and 75% reduction in operational overhead
- AI/ML Leadership: Championed company's first production AI initiative, establishing technical standards for multi-model LLM platform with 99.9% uptime
- Performance Optimization: Redesigned CI/CD infrastructure resulting in 40% faster builds, 50% faster deployments, and 22% fewer production incidents
- ElixirConf 2025: Elixir is all you need. Rethinking dependencies
- ElixirConf 2024: Engineering Your Promotion for Elixir-ists
- ElixirConf 2023: Driving Performance with Req and Finch at Cars.com
- ElixirConf 2022: Have you got the ExFactor?
- RailsConf 2017: Rails to Phoenix
- ElixirNoDeps: Terminal-based presentation tool and utilities with zero external dependencies.
- CarReq: Production-grade HTTP client with integrated observability
- ReqFuse: Circuit breaker plugin for fault-tolerant HTTP requests
- ExFactor: Lightweight CLI tool for refactoring Elixir code
Building & rebuilding the future, one system at a time. ⚡