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Aleš LončarFreelance DevOps & Cloud Native Engineer | Software Engineer | IT Consulting
Profile

I am an accomplished Cloud and DevOps Engineer with over 20 years of experience in delivering production-grade solutions across cloud-native, containerized, and automated environments. As a freelance consultant, I partner with clients to provide highly technical solutions, ranging from coding and infrastructure automation to deployment and optimization.

With a strong background in software development, I approach infrastructure challenges with a programmer's mindset. I focus on writing clean, maintainable code and building robust pipelines and platforms that facilitate fast and safe delivery. I thrive in hands-on roles where I can deliver end-to-end solutions, tackle complex technical problems, and continuously improve systems through automation and tooling.

My work is grounded in Platform Engineering and DevSecOps principles. I am committed to enhancing the developer experience and reducing cognitive load through reusable patterns and scalable solutions.

Dedicated to continuous learning, I keep my skills sharp through platforms like LinkedIn Learning and KodeKloud. Additionally, I hold an EU Personnel Security Clearance (SECRET UE/EU SECRET), valid until August 2029.

Skills
Cloud

AWS | Azure | Google Cloud | OpenStack | VMware Private Cloud

Programming

Bash | Python | Java | Go | Node.js | PHP | Perl | C# | JavaScript

Messaging & Event Streaming

Kafka | Webhooks

Containers & Orchestration

Docker | Kubernetes | OpenShift | Helm | Istio Service Mesh | ArgoCD | Argo Workflows

Monitoring & Security

Prometheus | Grafana | ELK Stack | SonarQube | Ansible Vault

Other

Git | Nexus | JFrog Artifactory | Jira | Confluence | Agile methodologies

IaC & Automation

Terraform | Ansible (+AAP) | Packer | Vagrant | Jenkins | GitLab CI | Bamboo | GitHub Actions | Circle CI

Database

MySQL | PostgreSQL | MSSQL | Redis | MongoDB

Soft Skills

Communication | Client Engagement | Agile & Remote Collaboration | Mentorship | Team LeadershipProblem Solving | Requirements Analysis | Strategic Thinking | Adaptability | Continuous Learning

Freelance Engagements
04/2024 – 03/2025Strasbourg, France

European Union Agency via IBM

Senior DevOps Consultant (Freelance)
  • •Operated under an active EU Personnel Security Clearance (SECRET UE/EU SECRET) in a secure, air-gapped environment.
  • •Managed OpenShift clusters (400+ nodes) with strict security protocols.
  • •Automated deployment workflows using Ansible Automation Platform, GitOps, Bash, and Python.
  • •Built secure network policies with Istio and Kubernetes.
  • •Delivered in VMware-based private cloud infrastructure.

    • Stack: OpenShift | Ansible Automation Platform | ArgoCD | Helm | Kafka | Bash | Python | RHEL | VMware

    01/2023 – 01/2024Munich, Germany

    THE MARCOM ENGINE

    Senior Backend Developer (Freelance)
  • •Built and maintained RESTful APIs in Node.js and Python.
  • •Implemented CI/CD workflows with Jenkins and Nexus, improving delivery velocity.
  • •Supported container-based microservices on AWS via Kubernetes.

    • Stack: Node.js | Python | Docker | Kubernetes | AWS | SonarQube | Jenkins | Nexus

    10/2021 – 12/2022Munich, Germany

    Graylog

    Senior Cloud Engineer (Freelance)
  • •Designed and maintained cloud infrastructure using Terraform and Ansible.
  • •Deployed and monitored distributed systems on Kubernetes.

    • Stack: AWS | Terraform | Ansible | Prometheus | Grafana | Argo Workflows | Go | Bash | Python

    11/2020 – 09/2021Munich, Germany

    Publicis Sapient

    Senior Java Architect (Freelance)
  • •Delivered backend services and microservices for Azure-based platforms.
  • •Led implementation of CI/CD pipelines using Azure DevOps.

  • •Stack: Java | Spring Boot | Azure AKS | Docker | Kubernetes | Bash | Azure DevOps
    • 11/2019 – 06/2020Munich, Germany

    Publicis Sapient

    Senior DevOps Engineer (Freelance)
  • •Automated cloud infrastructure provisioning with Terraform and Ansible.
  • •Managed OpenShift clusters and CI/CD pipelines.

  • •Stack: Terraform | Ansible | OpenShift | Docker | Azure | Jenkins | Bash.
    • Full-Time Employment
    09/2018 – 10/2019

    Infrastructure Engineer / DevOps Practitioner

    Accenture | Munich, Germany
  • •Supported the OpenShift platform, Vanilla Kubernetes operations, and CI/CD enhancements.

  • •Stack: OpenShift | Kubernetes | Helm | Docker | Jenkins | Terraform | Ansible | Bash | Go
    • 07/2018 – 10/2019

    Senior Software Engineer / Development Lead

    Catenate | Munich, Germany
  • •Led a development team delivering enterprise software.
  • •Advocated TDD, CI/CD, and infrastructure automation.

  • •Stack: Java | Gradle | GitLab | Jenkins | Ansible
    • 02/2016 – 06/2018

    Software Engineer CAD/CAM

    etkon GmbH (Straumann Group) | Munich, Germany
  • •Developed backend systems for dental CAD/CAM workflows.

    • Stack: PHP | Selenium | Docker | Vagrant | GitLab CI | Mojolicious | Vue.js

    03/2013 – 01/2016

    Senior Software Developer

    Travian Games | Munich, Germany
  • •Developed APIs and backend services for Travian 5.
  • •Led CI pipeline improvements and Git migration.

    • Stack: PHP | Zend Framework | Redis | MongoDB |Bamboo.

    01/2011 – 02/2013

    Senior Application Developer

    Central European Media Enterprises | Ljubljana, Slovenia
  • •Built APIs and VOD infrastructure for mobile and set-top platforms

    • Stack: PHP | Wowza Media Server | Android | JSON-RPC | REST API

    09/2000 – 11/2008

    Web Developer

    AV studio d.o.o. | Ljubljana, Slovenia
  • •Developed dynamic websites using ASP and PHP.
  • •Administered company IT systems and local networks.
  • •Integrated Microsoft infrastructure solutions for internal and client environments.
  • •Led CMS (Content Management System) software integration and custom module development.

    • Stack: ASP | PHP | CMS platforms | Microsoft Windows Server | IIS | MySQL

    Certificates
    Education
    2020 – 2021

    Cloud DevOps Engineer Nanodegree Program

    Udacity
    1994 – 1999Ljubljana, Slovenia

    Computer and Information Science

    University of Ljubljana, Faculty of Computer and Information Science
    1990 – 1994Murska Sobota, Slovenia

    High School Degree

    Gimnazija Murska Sobota
    Languages
    Slovene
    German
    English
    Awards
    2010

    Honorable Mention @ Izzivamo Ideje at Si.mobil

    4 - 10 place with Android application: KjeSeRoka. The results of the event 'Izzivamo Ideje'