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Senior Frontend Developer


Kraków, Poland

About role

  • Developing features for single page applications used by thousands of clients every day
  • Be a major factor in design processes and technological uses
  • Break/Fix/Repeat
  • Locate and optimize performance and security issues


  • Deep understanding of JavaScript (language itself, design patterns, OOP, etc.)
  • Experience with any modern JavaScript application framework (we use Angular 2 and ExtJS)
  • Experience with libraries for defining and loading JavaScript modules (we use webpack)
  • Familiarity with set of modern development tools for project building and dependency management (we use npm, webpack and Grunt)
  • Experience in writing unit tests (we use Wallaby.js, Jasmine and Karma)
  • Good knowledge of templating (we use Pug / Jade and Handlebars)
  • Experience in CSS organisation for large-scale development using preprocessors (we use Less)
  • Knowledge of current trends and best practices in front-end architecture, including performance, security and usability
  • Code & Pixel Perfectionist – strong attention to detail
  • Good English, both written and spoken
  • Positive attitude

Nice to haves

  • Working knowledge of TypeScript and Angular 2
  • Familiarity of RxJS
  • Experience in writing end-to-end tests (we use Protractor)
  • Experience with CI solutions such as Jenkins or TeamCity
  • Experience with Amazon Web Services


  • Private medical health care
  • Life insurance
  • Multisport / Ok System card
  • Standing desk
  • In-house Englisj / Polish classes
  • Opportunity to attend every conferences, trainings and meetups
  • Integration events
  • Gym
  • Music room, games room
  • Massage, yoga classes
  • Fruits, sweets & nutrition bars
  • Friday Counter Strike hour


Be the place where talented people thrive and have fun; great products will follow.

Codewise is a privately held Polish company. That means no outside investors telling us what to do. No pressure from stock exchange. We build technology for the Internet marketing sector with a focus on traffic delivery, tracking, and analytics. This is a 200 billion dollar industry - and it only grows with time. Our products are offered in a SaaS model and we decide when to deploy or upgrade them.

The Codewise team is an amalgamation of geeks, scientists, creative wizards, digital marketers, and all around crafty human beings. We’re a mischievous bunch that enjoys disrupting and redefining industries with serious technology.

Our motto is “People. Products. Profit. In that order”.