React.js Developer



Warszawa, Poland
Full Time
2y ago

Company Description

ASPER BROTHERS is a dev shop/software house with an office in the very center of Warsaw. We are characterized by a friendly approach, passion for the latest technologies and pedantic work.

We work with clients from all over the world and for the following industries: HR, Automotive, Marketing, Medical, Real estate, Non-profit, Security and others. 

Our stack is Python, PHP, JavaScript.

We have a team of 25 great people and we’re growing steadily. Some at the office (in good times), some remotely from different Polish cities.

We want to cooperate with people who will have a real impact on the direction, shape and development of projects every day. We believe in self-sufficient scrum teams.

Check our Website:



Together with our clients we change various industries through new technologies. From the inside you will see, for example:

  • How, through software, sales are scaled in a SaaS listed HR startup of several hundred people.
  • How automated real estate valuation models supported by machine learning are turning the United Arab Emirates into a real estate leader instead of an oil leader.
  • How a CRM designed for nonprofits can help rehabilitate thousands of people in the U.S.
  • How you can optimize your fitness workouts by using multiple sensors and Augmented Reality.
  • How you can simplify your entire financial life with an all-in-one tax and accounting app.

Job Description

As nn experienced React.js Developer, you will build the backend functionality and API for several key features in a new fitness app that uses sensor data, AR, and even blockchain as part of the user experience.


We are looking for a candidate who has proficiency in listed below technology stack :

  • Java Script
  • React.js
  • React native (nice to have) 
  • Redux
  • SSR
  • Working proficiency and communication skills in verbal and written English

Additional Information

What we offer: 

  • B2B contract (9.000 - 14.000 PLN net on invoice per month for middle devs and 15.000 - 20.000 PLN net on invoice for senior devs)
  • 21 free paid days per year;
  • Nice atmosphere in the company and even nicer customers from all over the world;
  • Participation in very interesting software projects;
  • Financing of courses and conferences;
  • Full Remote Job or if You like Office in the very center of Warsaw.


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