Rostyslav Martyniuk

Designing, maintaining, and optimizing large-scale infrastructure with a focus on automation, reliability, performance, and high availability. Implementing Infrastructure as Code with Terraform and configuration management with Ansible.

Fine-tuned and optimized large language models for production use cases. Designed and maintained ML pipelines for model training and evaluation, monitored data drift, and managed cloud infrastructure supporting ML workloads.

Improved system SLO from ~86% to 99.96% through infrastructure reliability hardening and incident response optimization. Maintained and scaled production Kubernetes infrastructure and implemented monitoring and observability improvements with Prometheus/Grafana.

Architected and operated production Kubernetes platform with zero-downtime deployment strategy. Designed Helm chart library for standardized multi-environment deployments, cutting release time by 50% and eliminating manual config errors.

Owned and maintained production-ready Kubernetes environments across 3+ projects, ensuring 99.9% uptime and high availability. Built CI/CD pipelines with GitHub Actions and automated infrastructure provisioning with Terraform modules.

Designed and implemented high-performance backend services deployed on Kubernetes, ensuring seamless horizontal scaling and efficient resource orchestration. Engineered resilient system architectures with a focus on high availability and implemented security best practices.

Worked on freelance and personal backend projects using Go, focusing on building RESTful APIs and microservice-based applications. Designed and developed backend services with PostgreSQL, implemented JWT authentication, and containerized applications using Docker.

Pursuing a degree in Industrial Construction at Kyiv National University of Construction and Architecture, with an expected graduation in 2026.

Completed a Bachelor's degree in Construction and Civil Engineering from Lviv Professional College of Construction, Architecture and Design.