Front-End Developer


Hi! We are SIENN - an international softwarehouse. We specialize ourselves in development and implementation of software products for companies mainly from Europe, and the United States. We are a group of enthusiasts - engineers whose passion is to create useful IT solutions.

Job Details
We are SIENN Living Online Technology! Let’s grow together!
Do you want to become a part of something new? We are looking for software enthusiasts, who are open to new challenges and new technologies. If you want to work in international team and have fun – join us!


We are looking for a person who

  • Has at least 4 years of experience
  • Enjoys working with people
  • Has good time management skills
  • Speaks English fluently (B2+)
  • Is creative with a ‘can do’ attitude

You are an ideal candidate if you

  • Have experience in ReactJS and/or Redux
  • Have experience with Angular 4/5/6
  • Have good knowledge of HTML5/CSS3, XML
  • Know JavaScript

Extra points for

  • Experience with Wordpress
  • Being familiar with Atlassian Jira
  • Knowledge of Git
  • Experience with CSS (LESS, SASS or SCSS)
  • Continuous Integration

 We offer

  • An exciting position where you can have fun creating value
  • Excellent opportunities for further personal and professional growth
  • Being a part of our highly capable and motivated team with a great team spirit
  • Ability to work in agile methodologies (Agile / SCRUM)
  • Attractive conditions of employment (contract or B2B)
  • International training and certification (Microsoft MCP)
  • Medical package and Multisport card


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Need Help ?

Any questions? Please do not hesitate to contact me

Katarzyna Skowronek

HR Specialist

+48 889 783 562