Agnieszka

Ruby on Rails developer since 2011. Focused on good code quality, refactoring and TDD. Well-organized and responsible. Mentor at CoderDojo and Rails Girls workshops.

Premature optimization is the root of all evil.

Donald Knuth

Skills

Backend &Frontend Development Refactoring TDD Agile Scrum Teamwork SOA Remote Work

Projects

Blog Fractal Soft

Blog Fractal Soft
technical blog

A technical publishing platform used to share engineering know-how and practical implementation insights.

Major contributions

  • Copywriting

Project Cantor (NDA)

Project Cantor (NDA)
hotel management application

A hospitality operations platform handling bookings, guest workflows, and internal reporting.

Major contributions

  • Booking and communication flow automation
  • Twilio and external API integrations

Nopaperwork

A business management platform supporting daily operations, data handling, and internal workflows.

Major contributions

  • Backend architecture and API development

SelectHub

A platform helping organizations evaluate and select software solutions.

Major contributions

  • Framework upgrades and performance optimization


See more technology which I know

Backend development


  • Ruby
  • Ruby on Rails
  • Rails Event Store
  • Jekyll

Databases


  • PostgreSQL
  • MySQL
  • SQLite
  • Redis

Frontend development


  • JavaScript
  • CoffeeScript
  • jQuery
  • React
  • Leaflet
  • Backbone.js
  • ®Ember.js
  • Marionette.js

Web technologies


  • Sass
  • CSS3
  • HTML5
  • Slim Template Language
  • Less

Testing


  • RSpec
  • Selenium WebDriver
  • Cypress

Tools


  • Git
  • Sidekiq
  • PostGIS
  • GitHub
  • docker
  • GraphQL

Search engine


  • Elasticsearch
  • Apache Solr

Operating systems


  • Ubuntu

Cloud Computing


  • Heroku
  • Amazon Web Services

Mathematical software


  • Mathematica

Project management software


  • Pivotal Tracker
  • Taiga
  • Trello

Linters &code formatters


  • RuboCop

CI (Continuous Integration)


  • GitHub Actions
  • CircleCI

AWS (Amazon Web Services)


  • Amazon S3
  • AWS Lambda
  • Amazon API Gateway
  • Amazon CloudWatch
  • Amazon EC2
  • Amazon SNS
  • Amazon SQS