Vladimir Kuznichenkov | Engineer

CV

Posted on Nov 28, 2025

Profile

Staff Infrastructure Engineer with over 10 years of experience designing scalable, cloud-native systems. Expert in navigating the intersection of complex networking requirements (Telco/VoIP) and modern container orchestration. Proven track record in establishing Developer Experience (DevEx) initiatives, optimizing petabyte-scale data pipelines, and driving cost-efficient architectural migrations on AWS. Dedicated to building reliable platforms that accelerate engineering velocity and ensuring high availability for mission-critical SaaS products.

Experience

Staff Infrastructure Engineer | Glia

Tallinn, Estonia | 2023 — Present

  • Cost Engineering & Observability Architecture: Architected a next-generation logging platform by migrating from Elasticsearch to Quickwit (Rust-based search). Designed an async ingestion pipeline via AWS Lambda, achieving a fully stateless runtime on EKS and 100% write durability during traffic spikes. Reduced annual infrastructure costs while scale the system to petabyte-level retention.
  • Kubernetes Networking (Telecom/VoIP): Engineered a Kubernetes-native networking solution for SIP signaling and WebRTC media workloads.
    • Implemented a custom Multus CNI integration to provision direct public identities for pods, achieving zero port translation (NAT-less) connectivity for Kamailio nodes.
    • Standardized the implementation to maintain Developer Experience, allowing teams to deploy complex telecom stacks using standard K8s primitives without managing low-level networking.
  • Capacity Planning: Led load-testing initiatives to benchmark system limits, optimizing database subsystems to enable the reliable onboarding of enterprise-tier customers with high-concurrency requirements.

Senior Infrastructure Engineer | Glia

Tallinn, Estonia | 2019 — 2023

Glia is an all-in-one digital customer service platform with call-centre capabilities. Operating as a cloud-native SaaS offering in AWS based on the EKS stack.

  • Directed the adoption of Istio as the cluster-wide Service Mesh, implementing a Zero Trust architecture via mTLS encryption to meet strict SOC2 and enterprise security compliance.
  • Achieved successful implementation of CD strategies for infrastructure management using Helm and Terraform alongside Jenkins pipelines
  • Developer Experience (DevEx): spearheaded the creation of ephemeral, on-demand sandbox environments. This parallelized the testing process, eliminating bottlenecks for a growing engineering organization.
  • Contributed significantly to establishing a dedicated Developer Experience (DevExp) team, focusing on building tools, automating processes, and creating a streamlined development environment

Solution Architect | Insly

Tallinn, Estonia | 2018 — 2019

  • Cloud Transformation: Architected and executed the strategic migration from a single-tenant on-premise legacy solution to a multi-tenant, cloud-native SaaS platform on Kubernetes.
  • DevOps Culture: Built the initial CI/CD pipelines using Kubernetes and Jenkins, significantly reducing the "feature time-to-deliver" and modernizing the development lifecycle.

Senior PHP Developer | Insly

Tallinn, Estonia | 2016 — 2018

  • Refactored the core legacy framework to utilize the Active Record pattern, improving maintainability and database abstraction.
  • Containerized the local development environment using Docker, solving environment consistency issues ("works on my machine") for the team.
  • Designed a microservice-based calculation gateway and led the codebase migration from PHP 5.5 to 7.0 to utilize strict typing and performance improvements.

Prior Experience

  • PHP Developer, Pictagram (2015 — 2016): Designed hardware-software integration for IoT vending machines using Socket communication and VPN tunnelling.
  • PHP Developer, Unex Group (2013 — 2015): Developed logistics management software focused on route optimization and resource allocation.

Technical Skills

  • Container Orchestration: Kubernetes, EKS, Kops, Helm, Istio, Multus CNI.
  • Infrastructure as Code: Terraform, AWS CDK, Ansible.
  • CI/CD & DevOps: Jenkins, ArgoCD, GitHub Actions, GitLab CI, Buildkite.
  • Cloud Providers: AWS (Deep expertise), GCP, DigitalOcean.
  • Backend & Scripting: Python, Go, Rust, PHP, Elixir, Bash.
  • Observability: Prometheus, Victoria, Grafana, ELK Stack / OpenSearch, Quickwit.
  • Telecom/VoIP: Kamailio, FreeSWITCH, SIP/RTP, WebRTC

Education

Bachelor's Degree Belarusian State University of Informatics and Radioelectronics Minsk, Belarus — 2017

Email: [email protected]

Tallinn, Estonia