Roman Kiselenko

|[email protected]|https://rkiselenko.dev

Technical Skills

Languages

Golang, Python, Ruby, TypeScript

Kubernetes

EKS, GKE, OpenShift, vSphere with Tanzu

CI/CD

GitLab CI, Argo CD, GitHub Actions, Jenkins, Tekton

IaC/Config

Terraform, Terragrunt, OpenTofu, CloudFormattion, Ansible

Observability

Prometheus, VictoriaMetrics, Grafana, OpenTelemetry

Infrastructure

VMware vSphere, ESXi, NSX-T, vSAN

Data/Streaming

Postgres, ClickHouse, Redis, Kafka

Agentic coding tools

Pi, Opencode, Claude Code

Links

Summary

End-to-end software engineer and technical lead with 10+ years of experience designing customer-facing product features and building high-availability platforms, infrastructure, and distributed systems.

Work

Tech Lead / Golang Engineer | Astra Linux, Remote
2025-10 – Present
Lead a 10+ engineer team building an observability solution that collects and analyzes operational diagnostic telemetry for infrastructure node health. Built an AI-agent development workflow and a self-hosted RAG system that aggregates internal engineering documentation into a private knowledge base.
Platform Engineer / DevOps / Golang Engineer | Exness, On-site/Hybrid
2024-07 – 2025-10
Own the end-to-end lifecycle of 200+ Kubernetes clusters across AWS, GCP, and on-prem environments.
Platform Engineer / DevOps / Golang Engineer | tutu.ru, Remote
2023-06 – 2024-07
Developed Golang automation tools for workflow orchestration and data processing, reducing workflow execution time by 40%. Engineered CI/CD pipelines with automated validation, feature flagging, and compliance gates that block non-compliant deployments using Vault, OPA, and policy-as-code, blocking 99.9% of non-compliant deployments. Managed 6 K8s/OpenShift clusters; standardized GitOps configuration management with Helm/Terraform.
Golang Engineer | HelloFresh, On-site/Hybrid
2023-01 – 2023-07
Built data integration pipelines using Kafka and microservices, routing 100K messages/sec with 99.9% delivery success.
Golang Engineer / DevOps | Dell EMC, Remote
2021-07 – 2022-08
Designed CSI drivers for Dell platforms including PowerStore, PowerMax, PowerScale, and Unity XT to enable reliable integration between Kubernetes and enterprise storage systems.
Software Engineer / DevOps | SketchAR, Remote
2019-06 – 2021-07
Architected high-throughput, low-latency APIs and data processing services on AWS (Lambda/EC2/Fargate), serving 500k requests/sec at 150 ms p95 latency.
Software Engineer | Mailfold, Remote
2016-08 – 2017-07
Designed a web application with 99.9% availability and 200 ms p95 latency, from requirements to production. Delivered L1/L2 technical support and built the MVP. Migrated the application from Heroku to DigitalOcean, reducing infrastructure cost by 80% and improving deploy time by 50%.
Software Engineer | Appodeal, Remote
2015-08 – 2016-08
Introduced React to the advertisement builder UI, supporting 40+ components for a component-driven interface. Migrated a Ruby on Rails monolithic service to 30+ Go services.