Profilbild von Dmytro Zavalkin Freelance DevOps Engineer, Kubernetes and AWS Expert | AWS Certified SA&DevOps Pro, CKAD aus Berlin

Dmytro Zavalkin

nicht verfügbar bis 18.07.2022

Letztes Update: 09.05.2022

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

Abschluss: Computer Science
Stunden-/Tagessatz: anzeigen
Für Remote Projekte / For remote projects
Sprachkenntnisse: deutsch (gut) | englisch (verhandlungssicher) | russisch (Muttersprache) | ukrainisch (Muttersprache)


AWS Certified Solutions Architect - Professional Certificate.pdf
AWS Certified DevOps Engineer - Professional certificate.pdf


Infra: Kubernetes, Terraform, Docker, Ansible, Puppet, Chef, etc.;
Languages: Python, Ruby, HCL, Go, Javascript, Bash, PHP, etc.;
AWS: CloudFormation, RDS, ElastiCache, ElasticSearch, SQS, VPC, Route53, S3, ElasticBeanstalk, CloudFront, FSX, etc.;
Databases: MySQL, MongoDB, PostgreSQL;
CI servers: Gitlab, Jenkins, GoCD, Circle CI, etc.;
Other technologies: Redis, Memcache, SonarQube, Splunk, Varnish, Apache, Nginx, HAproxy, RabbitMQ, Supervisor, InfluxDB, Grafana, Active Directory, ArcGis, etc.;


01/2022 - bis jetzt
Freelance DevOps Engineer
About You SE & Co. KG / SCAYLE (500-1000 Mitarbeiter)
Konsumgüter und Handel
Maintaining and building infrastructure for ABOUT YOU white label / SCAYLE clients.
  • Maintenance and further development of current ECS based infrastructure
  • Maintenance and further development of current Kubernetes (EKS) based infrastructure
  • Migration from ECS to Kubernetes (EKS)
  • Maintenance and further development of CI/CD pipelines and infrastructure for multiple development teams
  • Supporting developers with different infrastructure topics
  • Solution architecture for new services

06/2021 - 12/2021
Freelance DevOps Engineer
Toll Collect GmbH / MIG (10-50 Mitarbeiter)
Öffentlicher Dienst
Building infrastructure of MIG (child company / project - 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.

08/2020 - 05/2021
DevOps Engineer (freelance)
DKB CodeFactory (250-500 Mitarbeiter)
Banken und Finanzdienstleistungen

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).

02/2020 - 03/2020
Software Engineer (freelance)
Zalando SE (>10.000 Mitarbeiter)
Konsumgüter und Handel
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

05/2019 - 12/2019
Lead DevOps Engineer (freelance)
HERE Technologies (>10.000 Mitarbeiter)
Transport und Logistik
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.

11/2018 - 03/2019
Infrastructure Engineering Lead
Careem (1000-5000 Mitarbeiter)
Transport und Logistik
Working on establishing agile culture in the SRE team and
DevOps/SRE best practices in product development teams.

04/2016 - 10/2018
OLX Group / Naspers (1000-5000 Mitarbeiter)
Internet und Informationstechnologie
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:
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.

05/2015 - 04/2016
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

02/2013 - 04/2015
Senior PHP Developer / Lead Developer / Scrum Master

05/2011 - 01/2013
PHP Developer / Tech Lead
Magento Magento, Inc., an eBay Company

06/2010 - 04/2011
Web developer / Lead developer
Binary Studio

09/2009 - 06/2010
Web developer
NET Technology Center WEB100

06/2006 - 09/2009
Web developer

Zeitliche und räumliche Verfügbarkeit

Ich bin derzeit nur für Remote Projekte verfügbar / I'm currently available only for remote projects.