Full-stack Developer

Xfive is looking for a talented Full-stack Developer (Node.js + React) to join our crew.Â

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We’re looking for a mid/senior-level Full-stack Developer (Node.js + React) who’s ready to go beyond just writing code. In this role, you’ll have a chance to collaborate directly with clients.Â

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We’re all about building a team where you can thrive and do your best work. Here’s what you’ll love about working with us:

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  Freelance opportunity: Enjoy the freedom of working on a freelance contract; earn between 25 and 35 USD per hour, depending on your experience and expertise.

  
  


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  Room to grow: We’ll support you in learning new skills and advancing in your career.

  
  


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  Make an impact: Your ideas and work will directly influence the company’s direction and help drive meaningful change.

  
  


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  Diverse projects: Tackle interesting work from startups, agencies, and companies in the US, UK, and Australia.

  
  


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  Work your way: You can choose to work from the comfort of your home, your favorite coffee shop, or our Cracow office (with a nice parking space).

  
  

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  Set your schedule: Work hours that suit you best, as long as there’s some overlap with the team and client.Â

  
  


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  Transparency: We’re open and honest about the company’s decisions, direction, and overall condition, so you’ll always know where things stand.

  
  


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  We’ve got your back: Our team is always there to help each other out. Whether it’s solving a tricky problem or brainstorming ideas, you’ll never feel stuck and left alone.

  
  

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  Great vibes: Work with open-minded, fun, and collaborative people who know how to keep things light.

  
  

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  Stay connected: Enjoy social events that bring everyone together- both online and in-person.

  
  

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  Experience with full-stack development, including accessibility; at least 4 years of commercial experience with React and Node.js

  
  

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  Good verbal and written communication skills in English (at least B2 level) and the ability to communicate directly with clients during online meetings

  
  


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  Experience in integrating applications with third-party APIs

  
  


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  Strong understanding of object-oriented programming principles

  
  


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  Medium/advanced relational databases design knowledge

  
  


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  Ability to write unit, integration, and other tests

  
  


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  Extensive Git knowledge

  
  


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  Availability of at least 20 hours a weekÂ

  
  

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Bonus if you have:

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  Experience with GraphQL

  
  


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  Experience with MongoDB

  
  


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  Experience with Jest

  
  


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  Experience with Next.js

  
  


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  Experience with Ruby on Rails

  
  


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  Experience with Python (Django)

  
  

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  Knowledge about the security of web applications

  
  


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  TDD/BDD experience

  
  


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  Knowledge of performance optimization of applications

  
  


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  Familiarity with AWS, Google Cloud

  
  


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  Familiarity with platforms like Heroku, Vercel

  
  


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  Familiarity with GitLab CI or other CI systems

  
  

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  Basic knowledge of Linux system administration and project deployment

  
  

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