Node.js Developer

Career description

If you are a Node.js expert looking for new challenges - it is possible that we are a perfect match. As Node.js Developer at L4A you will be responsible for designing, creating and testing software written in Node.js.


  • Good knowledge of Javascript and Node.js,
  • Good knowledge: MongoDB, MySQL, Express or competitive solutions,
  • Knowledge in the field of backend programming, REST and WebSocket, Long Polling, GraphQL,
  • Knowledge of design and architecture patterns,
  • Ability to write unit tests,
  • Knowledge of GIT,
  • English at B2 level,
  • A proven track record of 3+ years of professional experience.

Good to know:

Knowledge of Scala, Apache Flume, Docker, Extraordinary table football skills ;)

We offer

  • Blockchain and Solidity online trainings
  • Interesting, international projects
  • English lessons with Native Speaker
  • Medical Package from LUX MED
  • Flexible working hours
  • Multisport card
  • Gaming room
  • Integration events (movies, paintball, company events)
  • Salary: 8000-13000 PLN B2B

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Look4App sp. z o.o., a limited liability company with its registered office at the following address: ul. Szewska 3A, 50 – 053 Wrocław (“Look4App”), acting as the data controller, as interpreted in the GDPR*, shall process your personal data that is voluntarily transferred in the recruitment documents filed with Look4App for the purposes necessary to perform the recruitment for a given job position.
The applicant shall be entitled to request the access to data, the right to rectify or delete data, the right to restrict the processing of data, the right to data portability, and the right to object to processing of data. The rules concerning the exercise of the aforementioned rights as well as other information concerning the data processing by Look4App for the purposes of the recruitment shall be available at: Privacy policy.
We also inform that there is a possibility of giving the consent to the processing of some data under the on-going recruitments and a separate consent to participate in the future recruitment procedures of Look4App. If you provide us with the data exceeding the scope arising from the Labour Code and other regulations of the law, we process it in order to take the necessary steps at your request prior to entering into a contract (Article 6(1)(b) of the GDPR) or on the basis of your consent given by the action of sending us your CV and recruitment documents or marking the consent window below (Article 6(1)(a) of the GDPR). show more
I agree to the processing by Look4App acting as the controller of personal data contained in the recruitment documents submitted by me, which exceed the scope of the data indicated in the Labour Code and special regulations (e.g. sensitive data**, which I provide in the application on my own initiative) for the purposes necessary to carry out the recruitment for the position for which I am currently applying.
I also agree to the processing of my personal data for the purposes of future recruitment processes conducted by Look4App acting as the data controller for a period of 1 year.
Look4App also informs that each of the above mentioned consents may be withdrawn, at any time, by contacting Look4App at the following address: [email protected] Withdrawal of the consent does not affect the compliance of the processing of personal data by Look4App on the basis of the consent prior to its withdrawal.
*Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC.
**Particularly protected sensitive data include the data concerning racial and ethnic origin, political opinions, religious beliefs, world views, trade union membership, genetic data, biometric data, data concerning health, sexuality and sexual orientation of a person.

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