Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/20282740/

Work experience

DevOps engineer

from 11.2023 to now (2 years 11 months)
Railsware, Київ (IT)

Mailtrap - SAAS platform for testing mass sending, sending emails and collecting back statistics. mailtrap.io

Achieved:
No-downtime network redesign.
ISO and SOC2 security patching.
Costs analysis.
SRE duties.

Technologies: AWS, Ruby, Go, JS, Github.

DevOps engineer

from 10.2020 to 05.2023 (2 years 8 months)
OpsWorks, Київ (IT)

Solution Architect DevOps 02/2023 - 05/2023
Project 1. US: Florida
B2C financial technology firm for tax optimisation.

Achieved:
Preparation to Infrastructure audit before acquisition.
Setting up support escalation workflow and auto-assignment base on responsibilities matrix.
Re Architecture of the delivery process for internally developed php-based tools, formalization of product promotion.
Security, Code Quality and change management improvements.

Technologies: AWS, AWS API GW, Kubernetes, Helm, Jenkins, GitHub, SonarQube.

SRE/DevOps Technical Lead. 10/2020-01/2023
Project 2. UK: Edinburgh
Call center omnichannel solution aggregating communication channels, providing operators-assigning desk and customer experience management and reporting system.

Achieved:
Omnichannel Solution new environment rollout improvement from 2 weeks to 1 hour operation.
Improvements for CI/CD process achieving:
significant optimisation of the new dev-build rollout from 1+ hour to less then 10 minutes process,
automatisation of the delivery keeping flexibility and traceability of changes,
artifacts-driven CD promotion: the same product version deployed once always will be deployed the same.
Security, Code Quality and change management improvements.

Technologies: AWS, Kubernetes, IaaC GitOps on Atlantis and Terraform, Helm, Kafka, MongoDB, Postgres, Istio, Elastic Stack, Jenkins, GitLab, SonarQube.

Project 3. France, Slovenia, USA.
School screencast for remote studying on ChromeBooks; remote screen, messengers and content control and alerting system.
Achieved:
• 200k+ websocket connections proper upscaling and balancing,
• resolved system resilience and weekly downtimes,
• created Staging environment,
• backend upscale to support 5k+ rpm load,
• ELK no-downtime refactory,
• optimized GCP and Datadog costs.

Technologies: GCP, VMs and AppEngine, Kubernetes, Jenkins, helm, Datadog, Prometheus, Kafka, Redis, RabbitMQ, ELK.

Project 4. USA: Lawrence, KS
Biopharm news portal on Wordpress migration from CLoudWays to AWS.
Key Responsibilities:
• resolving traffic spikes (3k+ rpm) on Wordpress to provide 0 level of for paid subscription users,
• migration of the solution to AWS,
• CI/CD for developers,
• cost optimization.
Achieved:
• improved continuous delivery delay up to few minutes with autorollbacks,
• 10 month return of investments.

Technologies: PHP fpm, AWS, Jenkins, helm, Datadog, Prometheus.

Project 5. Uruguay
Rancher deployment and new cluster adding implemented using terraform-cloud.
Technologies: Azure, Terraform, Rancher.

DevOps engineer

from 07.2019 to 09.2020 (1 year 3 months)
Global Logic, Київ (IT)

Infrastructure and CI/CD DevOps. 07/2019–09/2020
A unified platform on Kubernetes with self-service portal for storage solutions. Customer head office: USA: Boston, MA
Key Responsibilities:
• developing automation pipelines for product CI on Kubernetes,
• developing automation of cluster rollout on-prem, on AKS (Azure),
• cluster infrastructure support.
Achieved:
• tag-tying of few git repos based build deployment to achieve "same tested same deployed", • helming of few solutions to achieve customizing of the same sourced build without code duplication (POC, prod),
• cost optimisation by moving semi on-prem to tuned AKS cloud Kubernetes cluster (POC). Technologies: Kubernetes, rancher, helm, ELK, Azure, Powershell, Chef

Education

НТУУ КПІ

ФІОТ, Автоматики і управління в технічних системах, Київ
Higher, from 2008 to 2014 (6 years)

бакалавр, магістр

Knowledge and skills

• Самостійність
• Docker
• Git
• BASH
• Користувач ОС Linux
• SQL
• AWS
• TCP/IP
• nginx
• PostgreSQL
• Kubernetes
• Terraform
• Python

Language proficiencies

English — advanced