Join a growing company with a great culture that specializes in innovative software solutions. 5sayer is a thought leader in its field and this sets the atmosphere: challenging, fast-paced and rewarding. We are seeking talented co-workers to build a great company with us – our current job openings are below.

If you’d like to join our team but don’t see a current position that fits your skill set, don’t hesitate to contact us at careers@5sayer.com.

Senior Fullstack Engineer


  • Actively invest back in our own technology, libraries, and frameworks
  • Understand security best practices and strive to apply them in your work
  • Be highly motivated to produce great code
  • Design, architect, and own the execution of your projects
  • Ensure the architecture of our distributed system remains cohesive
  • Collaborate, brainstorm, and coordinate work with other teammates
  • Understand the high-level goals, and thus know how to prioritize your work
  • Work efficiently with a certain amount of ambiguity in the tasks you're executing


  • 5+ years of experience as a fullstack engineer
  • Strong ES5 and ES6 knowledge
  • Solid NodeJs knowledge
  • Knowledge of MongoDB, Redis, MySQL

Nice to have

  • A data-driven and agile mindset
  • Excellent written communication skills, and fluency in English
  • Self-discipline to take on a project and push it to completion without too much management.
  • Strong problem-solving abilities.

What we offer

  • Top-spec hardware: you choose your setup
  • Flexible working hours, home office, remote possible
  • A friendly, passionate and international working environment

Send your CV to careers@5sayer.com