Marek Kowalcze
Mentor
Rising Codementor
US$8.00
For every 15 mins
ABOUT ME
Ruby developer with 10+ years of experience
Ruby developer with 10+ years of experience
Hello! I'll review your Ruby code from the perspective of potential risks and ease of maintenance. I'll help you overcome cognitive biases and focus on delivering value to your project.
Polish, English
Warsaw (+02:00)
Joined January 2021
EXPERTISE
11 years experience
10 years experience
REVIEWS FROM CLIENTS
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EMPLOYMENTS
Senior Ruby Developer
Smart Pension
2019-10-01-Present
- Implementing bulk file upload processing module [Smart Pension] (Rails 6, a. admin, sidekiq)
- Building retirement manageme...
- Implementing bulk file upload processing module [Smart Pension] (Rails 6, a. admin, sidekiq)
- Building retirement management app [Smart Retire] (Rails 7, a. admin, sidekiq, 3rd party APIs)
- Breaking down business requirements into technical designs; preparing tickets
- Helping design & test internal command line code review tools
- Onboarding new team members
Ruby
Sidekiq
Rails API
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Ruby
Sidekiq
Rails API
Active admin
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Senior Full Stack Developer
Strike Social
2015-10-01-2019-09-01
- Implementing single-page front-end application (Angular, TypeScript, Redux/RxJs architecture)
- Coordinating integration wi...
- Implementing single-page front-end application (Angular, TypeScript, Redux/RxJs architecture)
- Coordinating integration with backend services (internal, Auth0, YouTube API)
- Developing internal media buying web application (Ruby on Rails, Sidekiq, Redis, Postgres)
- Designing & implementing web services and ETL jobs for campaigns metrics data (Sinatra, Sidekiq, MongoDB, Adwords API)
- Designing and implementing an internal command line tool supporting the releases process (Ruby)
Ruby on Rails
MongoDB
PostgreSQL
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Ruby on Rails
MongoDB
PostgreSQL
Redis
Sinatra
Sidekiq
Google ads
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Ruby Developer
Pegasystems
2009-04-01-2015-10-01
- Web Developer (~ 5 years) - JRuby, Rails 3.2, Java, JavaScript/CoffeeScript, Rspec
- Automation Engineer (1 year) - Ruby, C...
- Web Developer (~ 5 years) - JRuby, Rails 3.2, Java, JavaScript/CoffeeScript, Rspec
- Automation Engineer (1 year) - Ruby, Chef, Vagrant, Docker, Bash, KitchenCI, Serverspec
- Maintaining internal command line app (~ 4 years) - Ruby, Git
Ruby
Git
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Ruby
Git
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PROJECTS
Ruby ChangelogView Project
2019
Changelog for Ruby language versions.
Changelog for Ruby language versions.
Ruby
Python
JSON
Ruby
Python
JSON