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I am a results-driven Senior DevOps Engineer and Blockchain Infrastructure Specialist with 8+ years of experience in cloud computing, automation, and high-performance systems. I design and optimize cloud-native solutions across AWS, Azure, and Google Cloud to deliver high availability, cost efficiency, and robust security. My hands-on expertise spans Docker, Kubernetes, CI/CD pipelines, Terraform, and building scalable blockchain networks with a focus on automation and observability. I excel in leading DevOps transformations, managing blockchain nodes, and implementing security hardening for mission-critical platforms. I am seeking new challenges in 2026 to drive innovation in AI, Web3, cloud infrastructure, and automated operations.…I am a results-driven Senior DevOps Engineer and Blockchain Infrastructure Specialist with 8+ years of experience in cloud computing, automation, and high-performance systems. I design and optimize cloud-native solutions across AWS, Azure, and Google Cloud to deliver high availability, cost efficiency, and robust security. My hands-on expertise spans Docker, Kubernetes, CI/CD pipelines, Terraform, and building scalable blockchain networks with a focus on automation and observability. I excel in leading DevOps transformations, managing blockchain nodes, and implementing security hardening for mission-critical platforms. I am seeking new challenges in 2026 to drive innovation in AI, Web3, cloud infrastructure, and automated operations.

Sviatoslav Kharabara

DevOps Developer, Cloud Developer, Blockchain Developer, +2

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I am a results-driven Senior DevOps Engineer and Blockchain Infrastructure Specialist with 8+ years of experience in cloud computing, automation, and high-performance systems. I design and optimize cloud-native solutions across AWS, Azure, and Google Cloud to deliver high availability, cost efficiency, and robust security. My hands-on expertise spans Docker, Kubernetes, CI/CD pipelines, Terraform, and building scalable blockchain networks with a focus on automation and observability. I excel in leading DevOps transformations, managing blockchain nodes, and implementing security hardening for mission-critical platforms. I am seeking new challenges in 2026 to drive innovation in AI, Web3, cloud infrastructure, and automated operations.…I am a results-driven Senior DevOps Engineer and Blockchain Infrastructure Specialist with 8+ years of experience in cloud computing, automation, and high-performance systems. I design and optimize cloud-native solutions across AWS, Azure, and Google Cloud to deliver high availability, cost efficiency, and robust security. My hands-on expertise spans Docker, Kubernetes, CI/CD pipelines, Terraform, and building scalable blockchain networks with a focus on automation and observability. I excel in leading DevOps transformations, managing blockchain nodes, and implementing security hardening for mission-critical platforms. I am seeking new challenges in 2026 to drive innovation in AI, Web3, cloud infrastructure, and automated operations.

Available to hire

I am a results-driven Senior DevOps Engineer and Blockchain Infrastructure Specialist with 8+ years of experience in cloud computing, automation, and high-performance systems. I design and optimize cloud-native solutions across AWS, Azure, and Google Cloud to deliver high availability, cost efficiency, and robust security. My hands-on expertise spans Docker, Kubernetes, CI/CD pipelines, Terraform, and building scalable blockchain networks with a focus on automation and observability.

I excel in leading DevOps transformations, managing blockchain nodes, and implementing security hardening for mission-critical platforms. I am seeking new challenges in 2026 to drive innovation in AI, Web3, cloud infrastructure, and automated operations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Language

Ukrainian

Fluent

English

Fluent

Polish

Fluent

Russian

Fluent

Portuguese

Beginner

Work Experience

Senior DevOps Engineer & Blockchain Infrastructure Lead at Decentral Games

January 1, 2021 - December 1, 2025

Built and optimized cloud infrastructure, deploying 100+ application services on Azure with emphasis on high availability, scalability, and security. Implemented CI/CD pipelines using GitHub Actions and Azure DevOps; configured and maintained blockchain nodes for Decentraland and Polygon; managed MongoDB Atlas clusters and Redis Cloud; designed comprehensive monitoring (Prometheus, Grafana, AlertManager); strengthened security with Cloudflare Enterprise; conducted monthly cloud cost audits and optimization; collaborated with core security teams to enhance blockchain platform resilience.

Freelance Senior DevOps Engineer at Upwork Inc.

May 1, 2017 - December 1, 2020

Top-rated DevOps freelancer delivering 100+ projects for clients worldwide; notably led monolith-to-microservices migration for Swiss Airlines, architected secure, highly available infra for a UK fintech platform (ISO 27001), and designed Kubernetes-based infrastructure on AWS for a Moroccan talent marketplace; set up multi-cloud clusters (AWS, GCP, DigitalOcean) with Helm, Terraform, and Prometheus; leveraged Rancher, Bitbucket Pipelines, GitLab CI/CD, Jenkins, TeamCity, GoCD; built containerized AI-driven video processing pipelines for healthcare projects; ensured robust monitoring and logging with ELK stack.

Senior System Administrator at Ericsson-Pol

September 1, 2008 - April 1, 2017

Managed global IT infrastructure, including cloud and virtualization (VMware, Hyper-V); implemented security enhancements and disaster recovery; led data center migrations to improve scalability and reliability; oversaw network and system administration for enterprise clients.

Head of IT Department at Meest Express

November 1, 2006 - December 1, 2007

Led IT infrastructure upgrades, cybersecurity improvements, and automation; managed IT budgets and vendor negotiations; collaborated with sales, marketing, and logistics to deliver tech-enabled processes.

Senior System Administrator at Ministry of Justice of Ukraine

May 1, 2002 - November 1, 2006

Managed IT systems for national legal databases; provided 24/7 support; strengthened cybersecurity controls; ensured uptime and regulatory compliance.

Senior DevOps Engineer & Blockchain Infrastructure Lead at Decentral Games

September 1, 2020 - December 1, 2025

Architected and scaled Azure-based cloud infrastructure supporting 100+ production services, achieving 99.95% uptime across core gaming and blockchain systems. Directed CI/CD automation with GitHub Actions and Azure DevOps, reducing deployment times by ~60% and lowering production incidents from manual releases. Optimized MongoDB Atlas and Redis Cloud clusters serving millions of daily transactions, improving query latency ~35%. Built a full observability stack (Prometheus, Grafana, Alertmanager), cutting MTTR by ~50%. Created custom Golang exporters for blockchain node health, RPC latency, and validator uptime. Strengthened security with Cloudflare Enterprise, and led cost optimization delivering 20–30% savings. Deployed and secured mainnet/testnet nodes across 20+ networks (Ethereum, Polygon, Arweave, Near, etc.) and managed cross-chain bridges (Connext, Paraswap, Futureswap). Automated provisioning with Terraform, Ansible, Bash; managed GPU-based infrastructure with Vast.ai.

Freelance Senior DevOps Engineer at Upwork

May 1, 2017 - December 1, 2020

Top-Rated DevOps Engineer delivering 100+ projects with 95%+ five-star reviews. Guided enterprise clients through cloud migrations, Kubernetes adoption, and DevOps transformations across AWS, GCP, Azure, and DigitalOcean;Designed secure, highly available multi-cloud infrastructure, and implemented repeatable CI/CD pipelines.

Senior System Administrator at Ericsson-Ericpol (Ericsson- Ericpol Ukraine)

September 1, 2008 - April 1, 2017

Administered global enterprise infrastructure for 2,000+ employees across multiple international locations. Led virtualization and cloud initiatives (VMware, Hyper-V), improved disaster recovery and infrastructure utilization, enforced enterprise security controls, and guided data center migrations to enhance reliability and scalability.

Senior System Administrator at Ericsson-Pol (EricssonPol)

September 1, 2008 - April 1, 2017

Directed global enterprise infrastructure supporting 2,000+ employees across multiple locations. Led virtualization and cloud initiatives using VMware and Hyper-V, improving disaster recovery capabilities and infrastructure utilization. Enforced enterprise security controls, reduced operational security risks, and improved compliance for telecom and financial clients. Led data center migrations to increase reliability and scalability for mission-critical services.