Work Experience

• Lead Ruby on Rails + NodeJS, MgSolutions

  May, 2021 - Present

  job search aggregator, designed to operate at a large scale

• Senior Ruby on Rails + React.js, Startup Development House

  May, 2017 - May, 20214 years

• Ruby on rails + React.js, Ankaja TSL

  Oct, 2017 - May, 20202 years 7 months

• Ruby on rails, 2N IT sp. z o.o.

  Oct, 2015 - May, 20171 year 7 months

Projects Experience

• MgSolutions

  May, 2021 - Present

  MgSolution is a successful and profitable job search aggregator, designed to operate at a large scale. The platform consistently serves over 50,000 new users daily, handling a high volume of requests and overcoming significant challenges in scalability.

  • Sending thousands of emails on a daily basis

  • Developing a relevant job search functionality using Elasticsearch

  • Importing large XML files (exceeding 100GB) into Elasticsearch every hour with zero downtime

  • Managing over 100,000 daily mobile message deliveries

  • Implementing split testing and A/B testing for continuous improvement

  • Utilizing canary deployments to ensure smooth and reliable rollouts

  • Monitoring system health with logs-based metrics

  • Integrating BI tools for data-driven decision-making

• Lawbotics

  Dec, 2017 - Present

  Lawbotics is developing an innovative tool called LEXOLVE® to streamline parts of the legal processes that is taking place in all companies - namely the creation of legal contracts and other documents. Automating document management in a company will be a crucial prerequisite for businesses to become more digital and able to use other digital tools and new technologies. Our software makes it easy for businesses to increase the quality of their legal documents, while saving a significant amount of time and resources.
  I am fullstack on this project, we use RoR + React.
  My responsibilities:

  • design scalable database
  • lead team,
  • create API
  • connect to external services
  • create advanced wysiwyg editor to develop document templates
  • create few modules in react

• Maindeck

  May, 2017 - Present

  Created from scratch
  Tech stack:
  Ruby on Rails + Angular

• 1mphone

  May, 2017 - Dec, 20177 months

  Add stripe payments, refactor legacy code. Ruby on Rails

• Cebuliada - Programistok 2016

  - Present

  Aplikacja przygotowana na konferencje programistok 2016
  react.js / redux / RoR

• Doris Leslie Blau

  - Present

  Wewnętrzna aplikacja usprawniajaca prace na rynku mieszkaniowym
  Głównie pomoc w implementacji nowych funkcjonalnosci oraz rozwoju juz istniejących.

• Oceansped Auto

  - Present

  Samodzielne stworzenie aplikacji mającej na celu usprawnienia pracy w zakresie transportu samochodów na terenie EU/USA.
  Stack technologiczny:
  RoR + jQuery + redis + sidekiq + websockets + capistrano + OOP JS frontend framework

• REAS

  - Present

  Wewnętrzna aplikacja usprawniajaca prace na rynku mieszkaniowym
  Głównie pomoc w implementacji nowych funkcjonalnosci oraz rozwoju juz istniejących.

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Education

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Volunteer Work