Denis Rybalka – Senior AWS Architect & AI Engineer
Denis Rybalka
AWS Architect & AI Engineer · Dnipro, Ukraine · Available worldwide
Certifications
- AWS Certified Developer – Associate
- AWS Certified Solutions Architect – Associate
- AWS Certified DevOps Engineer – Professional
What I Do
Cloud & Infrastructure — Terraform, Ansible, ECS, Lambda, Kubernetes, VPC, CloudFront, RDS
AI Engineering — LangChain, LangGraph, RAG, Vector Search, AWS Bedrock, Claude, GPT
DevOps — CI/CD, GitHub Actions, GitLab CI, CodeBuild, Blue/Green, CloudWatch, X-Ray
Development — React, React Native, TypeScript, Node.js, Event-driven architectures
Key Results
- 30-40% average AWS cost reduction across client engagements
- 50+ projects delivered across cloud, AI, and full-stack
- 10+ years hands-on production experience
Available For
Consulting and contract engagements — infrastructure optimization, AI system builds, architecture reviews, technical hiring assessments.