Frontend Developer – React/JavaScript

  • Full time
  • Prague
  • Posted 2 months ago
CSS (advanced)
Design Patterns (advanced)
RESTful API (advanced)
React (advanced)
JavaScript (advanced)
Tivix is a business unit of Kellton Tech, that is focused on digital product development. 
We’re a software consulting company with a 70-people office in Wrocław, headquartered in San Francisco, and with other offices in New York, Portland, London and India. Our team passion manifests itself in every client engagement. Our clients are a mix of new ventures, Fortune 500 brands, and innovative NGOs across a variety of sectors. We work with different technologies and there are a lot of opportunities to learn. 
Would you like to join our rockstar team? 
We’re looking for a solid mid/senior person who could support the existing frontend team.
Our ideal team member would have a goal-oriented mindset, good communication skills, and an active approach to resolving appearing impediments. Feedback and honest opinions from our teammates are highly appreciated.

Ideally, You have:

  • 5+ years of hands-on experience as a software engineer
  • solid understanding of modern CSS, JavaScript, and web APIs
  • solid understanding of TypeScript + Redux-Saga, alternatively Ramda
  • production experience with React and React libraries
  • familiarity with WebSockets
  • production experience with Webpack and/or other bundlers
  • experience in writing maintainable and testable code
  • strong understanding of usability and design patterns
  • experience with profiling tools and performance optimization techniques
  • experience in building libraries and working with tools like Storybook
  • experience with CI/CD workflows
  • attention to detail, focus on quality with experience in writing automation tests and project documentation
  • experience with other software engineering best practices such as unit testing, code reviews, design patterns etc.
  • familiarity with Windows environment and PowerShell will be an asset
  • excellent communication as well as analytical skills to build good working relationships
  • mentoring other less experienced team members
  • ability to work in changing contexts and to switch between priorities

  • experience with other JS frameworks such as Angular, Vue, etc.
  • python/backend framework (Django) experience
  • familiarity with node.js
  • open source contributions

  • offer participation in projects which bring a better tomorrow, for brands like UNICEF, UN, NATO, Zoetis, to name a few
  • welcome you with 1,5K PLN for your new work setup and whatever you want
  • give you the newest MacBook Pro with accessories
  • add an annual bonus to your salary
  • don’t mind when you work from home (and co-fund your internet connection, if needed)
  • offer in-office lunches (eg. sushi, Thai food, etc.), the kitchen full of snacks and drinks, and… home ordered meals if you work remotely
  • care about your professional development (training reimbursement)
  • insure your life and health with personalised insurances
  • offer private healthcare for you and your partner/family 
  • organise thrilling company offsite events
  • reimburse your public transportation expenses if you work from office
  • provide a modern and quiet office (incl. height-adjustable desks and chairs) and a free parking placec
  • contribute to open source software
  • invite you to have fun with our darts, billiards table, table football, and PlayStation4
  • provide English lessons with native speakers and… many more!

To apply for this job please visit