Viktor Chalyi

I’m Viktor — an engineering leader with over 15 years of experience leading global engineering organizations through modernization, growth, and large-scale digital transformation. Currently at IDT Corporation, I lead 100+ engineers across five product lines serving millions of users worldwide.

My focus is on building cloud-native platforms on AWS, driving DevOps and CI/CD adoption, and delivering mission-critical fintech and telecom products. I care deeply about engineering culture, measurable outcomes, and developing the next generation of engineering leaders.

Key Achievements

• Led 100+ engineers (Software, QA, TPMs) across 5 product lines serving millions of users
• Achieved 99.995% platform uptime, surpassing enterprise reliability benchmarks
• Led GenAI-driven support modernization, boosting first-contact resolution by 45%
• Reduced annual costs through legacy system decommissioning and platform modernization
• Reduced engineering manager onboarding from 2 months to 3 weeks via an EM Playbook
• Improved release predictability by 25% through DORA metrics adoption with DevLake

Core Expertise

• Engineering Leadership: Team scaling (15 to 100+ engineers), hiring, mentorship, org design, EM playbooks
• Technical: AWS, CI/CD, DevOps, Microservices, .NET/C#, Python, Terraform, Docker, Kubernetes
• Domains: Fintech, Telecom, AI/GenAI, E-commerce, Mobile Top-up, eSIM
• Practices: DORA metrics, Backstage, Observability (OTEL/Grafana), Agile/Scrum, Infrastructure as Code

Let’s Connect

• LinkedIn — connect or message me
• CV / Resume — detailed work history and achievements
• Blog — my writing on engineering leadership, AI, and DevOps