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Work Background
Chief Technology Officer
PROXYONEChief Technology Officer
Jan. 2022 - Dec. 2023Warsaw, Mazowieckie, Poland · HybridAchievements: - Built all tech processes in the company from scratch; - Brought the first clients to the company; - Hired some talented people to the team; - Released several MVP projects to the world. Technologies: Ruby, Ruby on Rails, Grape, Spina CMS, Spree, Slim, ERB, RSpec, Selenium, Sidekiq, RabbitMQ, RVM, asdf, NodeJS, VueJS, JS. jQuery, AJAX, JSON, Bootstrap, Scss, Elixir, Phoenix, Crystal, PostgeSQL, Redis, ELK, Fluend, Sentry, Datadog, Prometheus, Graphana, Nginx, Terraform, Docker, Docker-compose, Docker-sync, Mutagen, Kubernetes, Helm, Prometheus Operator, Nginx Ingress, Cert-manager, k9s, n8s, Ceph, Rook, Kubesphere, Rancher, Github, GitLab, GitLab CI/CD, Jenkins, Cloudflare, Dashy, Firezone, Ngrok, Sendgrid, Mailchimp, SalesQL, Chatwoot, Stripe, ERPNext, JIRA, YouTrack, Hubstaff, Miro, Figma, Slack, Discord, Amazon: EC2, S3, RDS, Lambda, VPC, API Gateway, Route53, Elastic Load Balancing, CloudFront, Opsworks, Auto-scaling, ElastiCache, Lightsail, SNS, EBS, IAM, RedShift, Cloudwatch, Inspector, Cloud Formation, KMS, Elastic Search, Budgets, Cost Explorer, Cost and Usage Report, Elastic Container Registry, Elastic Container Service, Elastic Kubernetes Service, Backup; Google: Ads, Analytics, Kubernetes Engine, Vision AI, OAuth; Scaleway: Instances, Elastic Metal, Kubernetes, Container Registry, Storage, Networks, Databases, Domains; DigitalOcean: Droplets, Volumes, Kubernetes, Databases, Spaces, Load balancers.
Ruby Tech Lead
Feb. 2022 - Jul. 2022RemoteAchievements: - Attracted top talent to the company by participating in interviews; - Assembled a new team from scratch; - Improved the core functionality of the project; - Improved onboarding in the company; - Trained employees on new technology they had not been using before; - Found several project vulnerabilities that saved the company millions of dollars.
Senior Ruby Developer
SOFTSWISSSenior Ruby Developer
Jan. 2022 - Jan. 2022Poznań, Wielkopolskie, PolandTechnologies: Ruby, Ruby on Rails, Swagger, RSpec, Sidekiq, RabbitMQ, PostgeSQL, Redis, ElasticSearch, Logstash, Kibana, Docker, Kubernetes, Helm, Github, GitLab, GitLab CI/CD, Cloudflare.
Chief Technology Officer
IT TerritoryChief Technology Officer
Dec. 2020 - Nov. 2021Minsk, Belarus · On-siteAchievements: - Transferred the project to kubernetes; - Optimized employee onboarding; - Discovered several talents in the company; - Improved the quality of the project by implementing various testing; - Saved the project from unused parts. Technologies: Ruby, Ruby on Rails, Swagger, RSpec, Sidekiq, RabbitMQ, PostgeSQL, Redis, ElasticSearch, Logstash, Kibana, Docker, Kubernetes, Helm, Github, GitLab, GitLab CI/CD, WebdriverIO, VWO, Crowdin, Cloudflare.
Senior Lead Software Engineer
Modus Group, LLCSenior Lead Software Engineer
Nov. 2015 - Dec. 2020HybridTechnologies: Elixir, Phoenix, Maru, GraphQL, Ruby, Ruby on Rails, RSpec, Grape, Swagger, Sidekiq, RabbitMQ, PostgeSQL, CouchDB, MongoDB, CitusData, Redis, KairosDB, OpenTSDB, Prometheus, InfluxDB, Telegraf, Logstash, Fluend, ElasticSearch, Kibana, Rollbar, Sentry, Chef, Vagrant, VirtualBox, AWS, DigitalOcean, Scaleway, Github, GitLab, Bitbucket, TravisCI, GitLab CI/CD, Docker, Docker Compose, Kubernetes, Rancher, Helm, Flocker, Flynn, Longhorn, StorageOS, Portworx, Glusterfs, Rook.
Ruby on Rails Developer
Transinet GmbHRuby on Rails Developer
May. 2015 - Nov. 2015Minsk, Belarus · On-siteAchievements: - Optimized a lot of algorithms for maps; - Learned a new programming language - Erlang. Technologies: Ruby, Ruby on Rails, Erlang, PostgeSQL, PostGIS, Heroku, DigitalOcean, SemaphoreCI, Telerivet.
Software Engineer
Wellnuts, LtdSoftware Engineer
May. 2015 - Nov. 2015Minsk, Belarus · On-siteAchievements: - Conducted research for dozens of projects; - Learned a new programming language - Haxe; - Developed an application from scratch in Haxe; - Introduced a lot of new technology into the project, which has been of great benefit. Technologies: Ruby, Haxe Language, Ruby on Rails, Sidekiq, RabbitMQ, Redis, PostgeSQL, MemSQL, MySQL, MongoDB, Heroku, DigitalOcean, Scaleway, GitHub, GitLab CI/CD, Docker, Kubernetes, Rancher, Dokku, Flynn, Amazon Rekognition, FacePlus, SkyBiometry, Azure Cognitive Services, Vision AI.
Junior Ruby on Rails Developer
TwinslashJunior Ruby on Rails Developer
Jun. 2012 - May. 2015Minsk, Belarus · On-siteAchievements: - Developed API for mobile app from scratch; - Developed chef recipes to deploy the project from scratch; - Rewrote a huge Ruby&Rails application from scratch. Technologies: Ruby, Ruby on Rails, Grape, Swagger, Sidekiq, Sinatra, JS, AngularJS, PostgeSQL, Redis, AWS Opsworks, Chef, Vagrant, VirtualBox.


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