Über Oleksandr
I build production-grade LLM agents that automate customer support, analytics, and infra ops. 20 yrs full-stack & cloud.
- Dev stack: Python • JS • ReactJS • Node • PHP • Go
- DevOps stack: Kubernetes • Terraform • AWS / GCP / Azure
- AI Stack: AWS Bedrock • OpenAI • LangGraph (3 projects) • vector DBs
What I Deliver
Production-Grade AI & Autonomous Agents
LLM-powered agents that automate decision-making, customer support, and ops—secure, observable, self-learning.
End-to-End Software Engineering
Architect and code web services, APIs, and data pipelines. Write tests, containerize, and own the deploy.
DevOps & SRE Excellence
CI/CD that ships daily, SLO-driven monitoring, blameless incident response—keep SLAs rock-solid.
Cloud Cost & Performance Optimization
Right-size compute, lock in discounts, enable autoscaling—pay for usage, not idle capacity.
Englisch
Muttersprachlich oder zweisprachig
Deutsch
Konversationssicher
Ukrainisch
Muttersprachlich oder zweisprachig
Russisch
Muttersprachlich oder zweisprachig
Vor Ort möglich
Berlin (bis zu 30 km)
Projekt- und Berufserfahrung
- Shyftplan GmbH — Shift-Scheduling SaaSDevOps EngineerNovember 2022 - September 2024 (1 Jahr und 10 Monate)Migrated legacy Elastic Beanstalk + Lambda stack to EKS with ArgoCD GitOpsDeploy time dropped 20 min → < 3 min; uptime now 99.99 %Platform powers rosters for Siemens, Bosch, Miele, Mercedes-Benz (tens of thousands of users)
- TotalEnergies / Circle KSoftware Engineer / DevOpsSeptember 2022 - Mai 2025 (2 Jahre und 8 Monate)Built green-field data platform (S3 → Lake Formation → Redshift + Databricks) for worldwide retail analyticsAutomated ingest of 4 TB /day, cut ad-hoc query latency ≈ 70 %Wrote Terraform IaC, hardening, and ran workshops for in-house devs
- interstruct AGDevOpsJuli 2022 - Februar 2024 (1 Jahr und 7 Monate)Vodafone Sales Portal (via Interstruct AG)
- Rolled out bare-metal Kubernetes, Jenkins CI/CD, and ArgoCD delivery for 15 k daily users
- Mean-time-to-recover incidents now < 10 min; zero data-loss events over two-year run
Bewertungen
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Ausbildung und Abschlüsse
- Master's in Computer EngineeringTNEU, Ukraine2013