06/11/2026 updated

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Freelance DevOps Engineer, Kubernetes and AWS Expert | AWS Certified SA&DevOps Pro, CKAD

Dubai, United Arab Emirates
Only remote
Computer Science
Dubai, United Arab Emirates
Only remote
Computer Science

Profile attachments

HERE Technologies reference letter
Deutsch B1 Zertifikat - Goethe
DKB CodeFactory reference letter
Zalando reference letter
AWS Certified Solutions Architect Professional Certificate
AWS Certified DevOps Professional Certificate
CKAD
reference_letter_aboutyou.pdf
Dmytro_Zavalkin_June_2026.pdf

About me

Senior Infrastructure Engineer & Technical Lead with a Masterā€™s in Computer Science and over 20 years of experience in the IT industry. I specialize in architecting high-load systems, managing large-scale database environments, and designing cloud-native infrastructure.

GitOpsHelmKubernetes SecurityAmazon Elastic Compute CloudCloud EngineeringDevOpsScrum MethodologySoftware ArchitectureAnsibleDatadogDocker for AWSDocker SwarmAWS LambdaAWS ECSGitLabCloudformationKubernetesRancherPuppetTerraformDevSecOpsAWS EKSDockerElk StackJenkinsAmazon Redshift
Core Technical Competencies
  1. Cloud Platforms: Expert in multi-cloud architecture and implementation across AWS (CloudFormation, RDS, ElastiCache, SQS, VPC, Route53, S3, etc.), Azure, and GCP.
  2. Infrastructure & Orchestration: Deep expertise in Kubernetes (EKS/AKS), Terraform, Terragrunt, Docker, Ansible, Puppet, and Chef.
  3. DevOps & CI/CD: Extensive experience building and maintaining CI/CD pipelines using GitLab, Jenkins, and Circle CI, with a focus on GitOps workflows (Flux2).
  4. Database Management: Skilled in managing massive database architectures, including MySQL (3TB+), PostgreSQL, MongoDB (2TB+), and Elasticsearch.
  5. Software Development: Proficient in Python, Go, PHP, JavaScript, Bash, and HCL.
  6. Monitoring & Observability: Experienced with Datadog, Prometheus, ELK Stack, Grafana, Splunk, and SonarQube.
Leadership & Agile Methodology
I bring a holistic approach to engineering management, ensuring operational excellence through:
  1. Agile Leadership: Expert in Scrum/Kanban processes, including backlog management, velocity optimization, burndown metrics, and sprint planning.
  2. Team Development: Experienced in coaching teams, conducting performance evaluations, and managing end-to-end talent acquisition and hiring processes.
  3. Architectural Strategy: Strategic thinker capable of designing infrastructure from the ground up, migrating legacy systems to cloud-native stacks, and consulting on complex software architecture.
Certifications
  1. AWS Certified Solutions Architect ā€“ Professional (SAP)
  2. AWS Certified DevOps Engineer ā€“ Professional (DOP)
  3. Certified Kubernetes Application Developer (CKAD)

Experience

Professional experience5 - 10 years
Freelancer since2019

Languages

GermanGoodEnglishFluentRussianNative speakerSpanishGood

Project history

Freelance DevOps Engineer

About You SE & Co. KG / SCAYLE

Goods & Retail

500-1000 team member

Maintaining and building infrastructureĀ for ABOUT YOU (SCAYLE) clients: - Maintenance and further development ofĀ current infrastructure (both legacy EC2 and ECS based and modern Kubernetes/lambda based); - Migration from CloudFormation IaaS to Terraform/Terragrunt IaaS; - Migration from ECS toĀ Kubernetes (EKS); - Migration from NewRelic toĀ Datadog; - Maintenance and further development of CI/CD pipelines and infrastructure for multiple development teams; - Supporting developers with different infrastructure topics; - Solution architectureĀ for new services. - Solution architecture for new services.

Freelance DevOps Engineer

Toll Collect GmbH / MIG

Government and Public Services

10-50 team member

Building infrastructure of MIG (child company / project - https://netzda-mig.de) from scratch:
- Solutions architecture, consulting developers on different architecture, software development and infrastructure topics;
- Architecture and implementation of dev and prod infrastructure in AWS, Kubernetes clusters, etc.
- Architecture and implementation of CI/CD infrastructure and pipelines (Gitlab, Docker, Kubernetes, Helm, etc.);
- Remote office infrastructure in AWS (Active Directory, VPN, AWS Workspaces, file shares, etc.);
- ArcGIS Enterprise installation, configuration and maintenance.

DevOps Engineer (freelance)

DKB CodeFactory

Banking & Financial Services

250-500 team member

Maintenance and further development of DKB CodeFactory infrastructure as a member of Central DevOps Team:
- New Terraform modules, Helm charts, Ansible playbooks development;

- AWS and Kubernetes infrastructure management (Terraform, Helm, Ansible, etc.);
- Kubernetes clusters maintenance, version upgrades, migration to EKS;

- Gitlab, SonarQube, ELK, Prometheus, etc. tools maintenance and upgrades;
- Supporting and consulting developers (Gitlab, Kubernetes, AWS, Docker, Linux and other topics).

Software Engineer (freelance)

Zalando SE

Goods & Retail

>10.000 team member

Maintenance and further development of source code and infrastructure for Article Sales Forecasting team: - CI/CD jobs based on Zalando's proprietary CI/CD system and Jenkins - Kubernetes operators development for ML workloads orchestration - Python based wrapper libraries for data pre/post processing (Spark/Databricks) and running ML models

Lead DevOps Engineer (freelance)

HERE Technologies

Transport & Logistics

>10.000 team member

Working in HERE Location Services department on launching multiple
new services for automotive department. Service launch includes
creating AWS infrastructure, CI/CD pipelines, monitoring and alerting,
creating runbooks for NOC team, collaboration and support of R&D
team who owns the service. Further development of HERE Location
Platform components and internal tooling.

All services are map/location related (routing, traffic, TPEG, road
signs, etc.) and used by software installed in cars manufactured by
HERE Technologies clients: Daimler, BMW, VW Group, Jaguar, Honda,
Land Rover, etc.

Infrastructure Engineering Lead

Careem

Transport & Logistics

1000-5000 team member

Working on establishing agile culture in the SRE team and
DevOps/SRE best practices in product development teams.

SRE

OLX Group / Naspers

Internet & IT

1000-5000 team member

Working as an SRE in a cross-functional team of machine learning
specialists, backend and frontend developers.
Full responsibility for the entire infrastructure (AWS and Kubernetes
based) which runs all services developed by the team, with relatively
complex architecture and big databases (MySQL 3TB+, MongoDB:
2TB+).
Making architecture decisions for the infrastructure, supporting
developers with infrastructure related questions, monitoring, alerting,
on-call duties. Taking care of application performance,
troubleshooting, DB architecture.

Lead Software Engineer

ShopWings / Rocket Internet
Leading a cross-functional team of 11 engineers:
- Architecture decisions;
- Ensuring code quality with code reviews;
- Full responsibility for live deployments (merging feature branches,
supporting QA engineers with regression testing, fixing release
candidates, live deployments);
- DevOps/System Administrator responsibilities (managing AWS
infrastructure, databases (MySQL, MongoDB, RabbitMQ, etc.),
deployments, CI with Jenkins, etc.;
- Assigning tasks to developers;
- Mentoring developers (pair programming, help with debugging,
architecture advices);
- Interviewing and hiring candidates for developer, DevOps and QA
positions.

Senior PHP Developer / Lead Developer / Scrum Master

AOE GmbH

PHP Developer / Tech Lead

Magento Magento, Inc., an eBay Company

Web developer / Lead developer

Binary Studio

Web developer

NET Technology Center WEB100

Web developer

Certificates

Certified Kubernetes Application Developer (CKAD)

Linux Foundation - LF-fyna5tcdwi

2022

AWS Certified Solutions Architect - Professional (SAP)

AWS - 2HH7Z2DDMFRE1FSJ

2021

AWS Certified DevOps Engineer - Professional (DOP)

AWS - G2QJ37HBMJRQQ25C

2021

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