04/05/2026 updated

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60 % partially available

Senior DevOps/Kubernetes Engineer with Cloud Infrastructure Expertise

Sofia, Bulgaria
Only remote
MSc in Computer Science
Sofia, Bulgaria
Only remote
MSc in Computer Science

Profile attachments

KalinIvanovKrastevResume.pdf

About me

Software Engineer with with career orientation, related to Kubernetes, Cloud and DevOps. Passionate about coding of infrastructures, deployments on the cloud and Kubernetes mastering. Aspired to use scripting and various DevOps tools for automation and configuration management

Amazon CloudfrontAmazon Elastic Compute CloudConfiguration ManagementDevOpsCloud ServicesAnsibleAWS CDKGoogle CloudInfrastructure as Code (IaC)AWS ECSCloudformationGitlab-ciKubernetesAzure AKSPuppetTerraformDockerJenkins
Kubernetes and Container Orchestration
Extensive experience managing Kubernetes clusters across multiple cloud platforms (AWS, GCP, Azure). Development of over 50 Terraform modules for deployment and configuration of microservices infrastructure.

Infrastructure as Code
Proficiency in Terraform, AWS CloudFormation, and CDK for cloud infrastructure automation. Implementation of CI/CD infrastructure-dedicated pipelines with GitHub Actions for consistent deployment processes.

Multi-Cloud Architecture
Expertise in AWS and Azure cloud services with focus on infrastructure design and implementation. Experience in transforming single-account environments into multi-account infrastructure with proper IAM roles.

DevOps Tooling
Proficiency with Helm, ArgoCD, Ansible, Puppet for deployment and configuration management in cloud environments.

Containerization Technologies
Experience with Docker, Kubernetes clusters, and container orchestration platforms including AWS ECS, EKS, ECR; GCP GKE and Azure AKS.

CI/CD Implementation
Knowledge of GitHub, AWS CodeCommit, GitHub Actions, AWS CodeBuild, Jenkins/JJB, GitLab CI, and Azure DevOps for continuous integration and deployment.

Cloud Security and Compliance
Implementation of AWS security services (GuardDuty, Inspector, WAF, Config) and maintenance of PCI-DSS compliant systems in fintech environments.
 

Experience

Professional experience10+ years
Freelancer since2026

Languages

EnglishFluent

Project history

Senior DevOps/Kubernetes Engineer

TSG Solutions

Energy, Water & Environment

10-50 team member

  1. Extending existing production infrastructure with additional development environment and features, in AWS cloud, through modifications in Terraform/OpenTofu codebases
  2. Upgrade/improvement of monitoring (Prometheus+Grafana)
  3. Maintenance of Kubernetes (AWS EKS) clusters
  4. Entering the Backend Development area through taking on API programming tasks with Golang

Senior DevOps/Kubernetes Engineer

Digitanity
Work in the augmented team of Ferris Solutions AG, a Swiss company with established software profile. Managed six Kubernetes clusters on-cloud (GCP, Azure), as four of them were deployed from-scratch with Infrastructure-as-Code. Developed set of about 50 Terraform modules for deployment and configuration of microservices infrastructure at the Kubernetes level. Improved infrastructure consistency for three major company microservices applications. Engineering of company-specific Helm charts, automatically packaged and published in Harbor registry, and used inside Terraform or GitOps environment (ArgoCD).

Senior Cloud Infrastructure/DevOps Engineer

TechPods
Collaborated as a co-sourced engineer at Clear Treasury Ltd, deploying and enhancing their fintech platform on-cloud. Developed Infrastructure-as-code codebase for cloud infrastructures that was in full consistence with the programming tech-stack of the company - CDK on TypeScript (AWS environments), and CDK for Terraform (Azure). Implemented CI/CD infrastructure-dedicated pipelines with GitHub Actions, improving overall deployment-processes consistency. Utilized integration between MS Azure Active Directory and AWS to implement Single-Sign-On functionality and improve access to the web platform.

AWS Cloud Infrastructure/DevOps Engineer

ArtWare Systems
Entirely project work in a Dutch company, combining AWS cloud as infrastructure and robotics as hardware. Hired in an Agile team to implement a task for transformation of single-account AWS development-environments setup into a multi-account infrastructure. Used primarily AWS services, combined with a third-party serverless framework. Infrastructure-as-code written on AWS CloudFormation. Pipelines triggered in one shared AWS account and deploying to another AWS accounts by assuming cross-account IAM roles.

Senior DevOps Engineer

eMerchantPay
DevOps role in a finance software product company. Extensive use of DevOps-related tools (Terraform, Puppet, Ansible) for automation of various tasks for infrastructure creation in the cloud (AWS). Configuration management of Linux-based virtual or physical servers in enterprise-class hybrid cloud (including VMWare). Experience in automation of Jenkins job creation with JJB. Scripting with Python. Maintenance of PCI-DSS compliant systems in fintech area.

DevOps Engineer

Propy
DevOps role in a software-development product company. Gained practical experience in areas of Cloud Administration in AWS. Efficient use of DevOps tools like Ansible and Terraform. Containerization with Docker. Creation of Kubernetes microservices infrastructure. Successfully finished several project-like tasks important for the company.

DevOps Engineer

SoftServe
Project-engineering work in a software development company adhering to Agile methodologies and DevOps practices. Completed extensive DevOps-related education program and successfully passed the knowledge evaluation exam for the company DevOps Intermediate level. Participated in a project for automated VM creation in vSphere environment. Growing experience and passion in automation and cloud technologies.

Deep Technical Support/UNIX Build Engineer

DXC Technology
Implementation, design and support of IT solutions. Gained valuable and strong IT Support and Project engineering experiences. Acted as single-point-of-contact and mentor for operational support. Served as a subject-matter expert of Backup technologies. Worked as a senior project implementer and Linux/IBM AIX Build engineer.

Senior Project Engineer

Opencode Systems Ltd
Full-steps deployment (installation, testing and release to production) and operational support of telecommunication software products, developed in the company. System engineering with project activities on customer premises abroad-datacenters of foreign Telecom operators. Work mainly with Red Hat Enterprise Linux servers.

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