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

Dmytro Zavalkin

nicht verfügbar bis 01.05.2024

Letztes Update: 25.10.2023

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

Abschluss: Computer Science
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (gut) | englisch (verhandlungssicher) | russisch (Muttersprache) | spanisch (gut)

Dateianlagen

HERE.Technologies.Reference.Letter.pdf
Goethe_B1_Zertifikat.pdf
dkb_codefactory_reference_letter.pdf
zalando_reference_letter.pdf
AWS Certified Solutions Architect - Professional Certificate.pdf
AWS Certified DevOps Engineer - Professional certificate.pdf
CKAD.pdf
Dmytro-Zavalkin-May-2023_100523.docx
reference-letter-aboutyou_070623.pdf

Skills

Infra: Kubernetes, Terraform, Docker, Ansible, Puppet, Chef, etc.;
Languages: Python, Ruby, HCL, Go, Javascript, Bash, PHP, etc.;
AWS: CloudFormation, CloudWatch, ECS, RDS, ElastiCache, ElasticSearch, SQS, VPC, SSM, Route53, S3, ElasticBeanstalk, Lambdas, 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.;

Projekthistorie

01/2022 - bis jetzt
Freelance DevOps Engineer
About You SE & Co. KG / SCAYLE (Konsumgüter und Handel, 500-1000 Mitarbeiter)

Maintaining and building infrastructure for ABOUT YOU (SCAYLE) clients: - Maintenance and further development of current infrastructure (both legacy EC2 and ECS based and modern Kubernetes/lambda based); - Migration from CloudFormation IaaS to Terraform/Terragrunt IaaS; - Migration from ECS to Kubernetes (EKS); - Migration from NewRelic to Datadog; - 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. - Solution architecture for new services.

06/2021 - 12/2021
Freelance DevOps Engineer
Toll Collect GmbH / MIG (Öffentlicher Dienst, 10-50 Mitarbeiter)

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.

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

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 (Konsumgüter und Handel, >10.000 Mitarbeiter)

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 (Transport und Logistik, >10.000 Mitarbeiter)

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 (Transport und Logistik, 1000-5000 Mitarbeiter)

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

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

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.

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
positions.

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


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


Zertifikate

Certified Kubernetes Application Developer (CKAD)
2022
AWS Certified Solutions Architect - Professional (SAP)
2021
AWS Certified DevOps Engineer - Professional (DOP)
2021

Reisebereitschaft

Weltweit verfügbar
Ich bin derzeit nur für Remote Projekte verfügbar / I'm currently available only for remote projects.
Profilbild von Dmytro Zavalkin Freelance DevOps Engineer, Kubernetes and AWS Expert | AWS Certified SA&DevOps Pro, CKAD aus Berlin Freelance DevOps Engineer, Kubernetes and AWS Expert | AWS Certified SA&DevOps Pro, CKAD
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