Recommended expert

Vitaliy Ryumshyn

DevOps GitOps (temp)

Vitaliy Ryumshyn
Puchheim, Germany

Experience

Jan 2025 - Present
1 year 2 months
Germany

DevOps GitOps (temp)

Signal Iduna

  • Responsible for Openshift/Kubernetes on-prem administration and developer support.
  • Developed URP infrastructure automation with Python, Ansible, Kustomize and ArgoCD, Argo Workflow/Events stack.
  • Wrote smoke and load tests for URP infrastructure utilizing Python, Kustomize and ApplicationSets.
  • Helped to set up and deploy URP infrastructure in Google Cloud, GKE.
  • Set up monitoring for URP and ArgoCD stack with Splunk Cloud.
  • Performed system administration tasks across RedHat Linux, Kubernetes/Openshift, ArgoCD, GitLab, Bitbucket Enterprise, Kafka and MongoDB.
Apr 2021 - Jul 2024
3 years 4 months
Munich, Germany

DevOps Consultant, Solution Architect (temp)

Allianz

  • Designed, implemented and maintained AI/ML pipelines and tools in Allianz’s AWS cloud environment.
  • Designed, deployed and managed an integrated workbench for data scientists including JupyterHub on EKS, MLFlow, Spark on EKS, AWS SageMaker Studio and serverless SageMaker jobs, scaling to support 400 data scientists.
  • Automated onboarding processes for users and teams on AWS, GitHub and the Data Scientist Workbench using IaC principles, reducing onboarding time from days to 4 hours.
  • Created Jenkins pipelines and containerized microservices with Docker, established monitoring, alerting and metrics systems, and configured AWS environments using Helm, Terraform/CloudFormation, Ansible and ArgoCD.
  • Developed multiple template projects using IaC to automate the training and deployment of ML models leveraging SageMaker and Kubernetes.
  • Assisted developers in adapting applications for AWS, performing debugging, bug fixes and feature enhancements in Python, Java and JavaScript; implemented AWS services including EC2, S3, RDS and Lambda.
  • Collaborated with penetration test and security governance teams to implement Allianz and AWS security best practices and industry standards including data privacy and protection regulations.
  • Configured SonarQube deployments for Python, Java and JavaScript to enable automated code analysis in testing pipelines.
  • Set up identity provider management using SAML and OpenID, integrating services like SageMaker with Allianz’s GIAM role management system.
  • Contributed to solution design of new use cases with AWS Textract and Glue, and implemented migrations of use cases, services and cloud environments.
  • Managed system administration and release management tasks across Linux, Kubernetes, GitHub Enterprise, RDS, Kafka, VPC and EC2; coached development teams and provided technical support.
Sep 2020 - Mar 2021
7 months

Cloud Architect and DevOps Engineer (Freelance)

RIoT Secure AB

  • Established and oversaw cloud infrastructure in a private cloud environment using Proxmox and set up DevOps processes.
  • Set up a Proxmox high-availability virtualization system in Hetzner’s data center with Debian Linux VMs and automated provisioning of the entire infrastructure using Ansible.
  • Established an HA Kubernetes cluster on bare metal, containerized all company applications and developed Helm distributions; deployed and tested applications across AWS, GCP and Azure.
  • Set up GitLab, migrated all projects to the platform and implemented CI/CD pipelines for building applications in PHP, Golang, Node.js and C/C++; managed release workflows and staging environments.
Jan 2018 - Aug 2020
2 years 8 months

DevOps and Java Lead (Freelance)

BNP Paribas Consorsfinanz

  • Assisted in establishing a nearshore development team, enhancing software development best practices and implementing a new continuous integration infrastructure.
  • Developed a standardized development environment on RedHat/CentOS Linux VMs with automated provisioning using Ansible, reducing developer onboarding time from days to hours.
  • Led DevOps initiatives to improve build and deployment workflows; introduced Flyway for database migrations, implemented code review processes with Gerrit and quality gates with SonarQube.
  • Configured CI infrastructure including Jenkins pipelines, Nexus, Git/Gerrit and SonarQube servers; provided training and agile coaching for the development team.
  • Led migration of development and IT Ops teams from SVN to Git with no impact on release schedule; migrated a large application (900K lines of code) from Java EE 6 to EE 8, upgraded from JBoss 7.3 and transitioned from Java 8 to Java 11.
  • Created prototypes for migration to AWS Cloud.
Oct 2011 - Dec 2017
6 years 3 months

Technical Lead / System Architect / Engineering Manager

BlackBerry

  • Led integration of the Ubitexx MDM server into BlackBerry Enterprise Server (BES) platform, forming the foundation for BlackBerry Mobile Fusion.
  • Contributed to the design and development of next-generation cross-platform MDM systems BES10 and BES12.
  • Participated in integrating products from Good Technology, WatchDox Ltd and other acquisitions into the BES platform.
  • Collaborated with the infrastructure team to streamline development and testing processes, setting up a CI/CD infrastructure to enhance workflow efficiency.
  • Led two offshore development teams (scaled from 10 to 40+), providing mentorship, team guidance and project ownership.
  • Managed quality gates using SonarQube, established coding standards and provided quality reports to management.
Nov 2008 - Jun 2011
2 years 8 months

Senior Software Developer

Fujitsu EST

  • Contributed to development of the BSS product, a core component of Fujitsu’s SaaS platform using EJB 3.0 and JSF.
  • Designed and developed a new version of Fujitsu ADM 11.0, an application development management system for the Fujitsu cloud environment.
  • Designed and implemented a server-side search layer using Lucene, integrated with a persistence layer for Fujitsu Enabler storage (object database).
  • Developed user interface components using Eclipse RCP/RAP.
  • Refactored and enhanced Fujitsu SCA/QAM 10.1 (source code/quality analysis management system), implementing server-side components and client modules within Eclipse RCP.
  • Defined test strategies and conducted quality assurance for server-side components including module and integration testing.
Jan 2002 - Oct 2008
6 years 10 months

Senior Software Engineer / Architect

Linguatec GmbH

  • Developed the VoicePro speech recognition product in collaboration with Microsoft.
  • Designed and developed a new kernel SDK for PT Translator versions 2006–2008.
  • Developed a new version of PT Intranet using Spring, Velocity, CXF, .NET Engine API and WSE 3.0.
  • Created the Java backend for PTMobile (Shoot and Translate), winning the Mobile Innovation Global Award (2008).
  • Built a COM library based on IBM ViaVoice SDK and SVOX Text-to-Speech SDK for integration with customer systems and Linguatec products.
  • Developed the Java web backend and frontend for the Pashto/Dari project using Spring, Apache OJB, Tapestry and XML/XSLT.
  • Created translation web services, an RMI distributed translation farm and a web presentation layer.
  • Integrated Linguatec eTS with AT&T and IBM Voice Server Text-to-Speech engines.
  • Designed and developed a distributed Java chat server with voice and translation capabilities, winning the European IST IT Prize (2004).
  • Developed Java and .NET mobile client applications for iPAQ devices.
Dec 2000 - Dec 2001
1 year 1 month

Java Developer

Mediantis AG, buecher.de

  • Developed business logic for front-end (e-shop) and back-end (back office) applications using Orbiz digiTrade Language (OSL) and JSP.
  • Integrated third-party libraries for credit card authorization, address verification and bank data validation.
  • Wrote shell and Perl scripts to support development and administrative tasks.
  • Designed Oracle database structure and wrote PL/SQL code to support application functionality.
  • Configured, maintained and developed search functionality using the Verity Java API.
  • Created Mediantis’s presentation CD.
Apr 1996 - Sep 2000
4 years 6 months

Lead Software Developer

Kochmedia GmbH

  • Managed all phases of offshore development projects including specification, design, implementation, documentation and verification.
  • As senior developer and project manager for a small team (3 members), designed and developed multiple software products including Club Manager, Internet Newspaper, Payment Manager, Home Library, Music Editor and Drivers Collection.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (17 years), Insurance (4.5 years), Media and Entertainment (4.5 years), Banking and Finance (2.5 years), and Retail (1 year).

Information Technology
Insurance
Media and Entertainment
Banking and Finance
Retail

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (22 years), Product Development (21 years), Quality Assurance (12 years), Project Management (4.5 years), and Operations (0.5 years).

Information Technology
Product Development
Quality Assurance
Project Management
Operations

Summary

  • ExperiencedCloudArchitect andDevOps Specialist with 25 years in designing and implementing cloud-native solutions andCI/CDpipelines across AWS, Kubernetes, and enterprise environments.
  • Highly organized consultant able to quickly assess and deal with challenges, team player able to energize, motivate team and leading by example to achieve goals
  • Self-motivated, enthusiastic, be able to work in fast-paced start-up environment

Skills

  • Cloud Engineering: Aws Cloud, Gcp, Hetzner Cloud, Hybrid,private Cloud, Proxmox, Ovirt
  • Containerization: Docker/docker Compose/swarm, Kubernetes/openshift On Premise, Aws Eks, Aws Ecs, Gke
  • Devops: Jenkins, Github Actions, Bitbucket, Gitlab-ci, Teamcity, Argocd, Argoworkflow/events, Helm, Ansible, Cloudformation/cdk, Terraform/opentofu, Vault
  • Ci-di: Shell/groovy, Harbor, Aws Ecs, Git/svn/clearcase, Gerrit/nexus/artifactory, Sonarqube, Maven/grandle
  • Monitoring: Splunk, Aws Cloudwatch, Prometheus, Grafana, Influxdb, Telegraf, Dynatrace
  • Mlops: Jupyterhub, Mlflow, Aws Sagemaker (Studio, Emr), Spark On Eks, Aws Glue
  • System Admin: Linux/solaris/freebsd, Squid, Apache, Nginx, Traefik, Istio, Haproxy, Keepalived, Pfsense, Iptables, Wireguard
  • Programming: Java/j2ee, Python, Golang, C/c++, Sql, Js
  • Appser/libs: Hibernate/jpa, Spring Boot, Jsf/tapestry, Eclipse Rcp, Glassfish, Jbosseap/wildfly, Weblogic, Tomcat
  • Databases: Oracle, Mssql, Mysql, Aws Aurora/postgresql, Interbase/firebase

Languages

German
Native
English
Advanced

Education

Sep 1990 - Jun 1995

State Pedagogical University

B.S. in Pedagogy · Physics, Computer Science · Luhansk, Ukraine

Certifications & licenses

AWS Certified Cloud Practitioner

Certified Kubernetes Administrator (CKA)

Certified Kubernetes Application Developer (CKAD)

Sun Certified Programmer for the Java 2 platform

Sun Certified Web Component Developer for the J2EE

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Vitaliy based?

Vitaliy is based in Puchheim, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Vitaliy speak?

Vitaliy speaks the following languages: German (Native), English (Advanced).

How many years of experience does Vitaliy have?

Vitaliy has at least 29 years of experience. During this time, Vitaliy has worked in at least 9 different roles and for 9 different companies. The average length of individual experience is 3 years and 2 months. Note that Vitaliy may not have shared all experience and actually has more experience.

What roles would Vitaliy be best suited for?

Based on recent experience, Vitaliy would be well-suited for roles such as: DevOps GitOps (temp), DevOps Consultant, Solution Architect (temp), Cloud Architect and DevOps Engineer (Freelance).

What is Vitaliy's latest experience?

Vitaliy's most recent position is DevOps GitOps (temp) at Signal Iduna.

What companies has Vitaliy worked for in recent years?

In recent years, Vitaliy has worked for Signal Iduna, Allianz, and RIoT Secure AB.

Which industries is Vitaliy most experienced in?

Vitaliy is most experienced in industries like Information Technology (IT), Media, Entertainment and Publishing, and Insurance. Vitaliy also has some experience in Banking and Finance and Retail.

Which business areas is Vitaliy most experienced in?

Vitaliy is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Vitaliy also has some experience in Project Management and Operations.

Which industries has Vitaliy worked in recently?

Vitaliy has recently worked in industries like Insurance and Information Technology (IT).

Which business areas has Vitaliy worked in recently?

Vitaliy has recently worked in business areas like Information Technology (IT), Quality Assurance (QA), and Operations.

What is Vitaliy's education?

Vitaliy holds a Bachelor in Physics, Computer Science from State Pedagogical University.

Does Vitaliy have any certificates?

Vitaliy has 5 certificates. Among them, these include: AWS Certified Cloud Practitioner, Certified Kubernetes Administrator (CKA), and Certified Kubernetes Application Developer (CKAD).

What is the availability of Vitaliy?

Vitaliy will be available from November 2026.

What is the rate of Vitaliy?

Vitaliy's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Vitaliy?

To hire Vitaliy, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200
900
600
300
Market avg: 860-1020 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.