Oferta pracy

Full Stack Engineer (NodeJS/React) (m/f/d)

relayr sp. z o.o.

contract of employment
10 00016 000 gross / mth.
B2B contract
13 50021 000 net (+ VAT) / mth.
  • Uniwersytecka 20, Katowice
    Katowice, Silesian
  • offer expired 4 days ago
  • contract of employment, B2B contract
  • full-time
  • specialist (Mid / Regular)
  • home office work
  • remote recruitment

relayr sp. z o.o.

Uniwersytecka 20


Technologies we use


  • Node.js

  • React.js

  • JavaScript

  • REST

  • SQL

  • DevOps

  • NoSQL


  • AZURE.

  • TypeScript

  • Redux

Operating system

About the project

The Polish division of relayr is responsible for developing software for the IoT enterprise platform with all software designed, implemented, and tested in Katowice. We also provide support for the installation and maintenance of our software for clients across the globe.

Being at the forefront of innovation means challenging the status quo. Our talented engineering team is committed to delivering first-class IoT solutions and staying ahead of the competition. We are looking for a Mid and Senior Full-Stack Engineers with focus on NodeJS and React.

You will join a small team of full-stack engineers that would bring about new crucial components to our platform. We currently aim at rethinking our Identity Management approach which would entail working on a new solution from conceptualisation all the way through implementation and deployment. Furthermore, the team supports different client projects that are exposed to diverse industries and challenging business requirements.

Your responsibilities

  • Design, develop, and maintain IoT modules and services.

  • Write high-quality, well-documented and testable code.

  • Participate in creating client-facing and internal administration dashboards.

  • Research and experiment with new tools and technologies (especially Azure out of the box).

  • Help design performant and clean APIs for our IoT services.

  • Work closely with other teams on security and UX topics.

  • Collaborate with colleagues in an agile and cross-functional team environment.

Our requirements

  • Minimum 2+ years experience in full-stack engineering (preferably in Node & React).

  • Expertise in building REST APIs (e.g. Koa, Swagger).

  • Understanding of distributed systems (e.g. Kafka, MQTT, OAuth 2.0).

  • Decent knowledge of React, JavaScript, HTML and CSS.

  • Experience with SQL and NoSQL databases (e.g. PostgreSQL, Elasticsearch).

  • Comfortable working with Unix-like systems and DevOps tools (e.g. Docker, Jenkins, Kubernetes).

  • Able to work in a structured, agile, and test-oriented manner.

  • Experience with components in our stack is a great bonus.


  • Knowledge of data protection and security.

  • Practical experience with Azure services such as Active Directory (Azure certification is a plus).

  • Hands-on experience with CI/CD pipelines.

  • Knowledge of TypeScript and Redux.

  • Experience with build-up tools (e.g. Webpack) and testing tools (e.g. React Testing Library, Cypress).

  • Experience in the field of (I)IoT.

Division of working time

New features






Bug fixing



This is how we organize our work

Team size

  • 6

This is how we work

  • in house
  • you focus on a single project at a time
  • you can change the project
  • you have influence on the choice of tools and technologies
  • you have influence on the product
  • you develop the code "from scratch"
  • you focus on product development
  • kanban

Team members

  • backend developer
  • automated test programmer
  • project manager
  • UX designer

This is how we work on a project

  • code review

  • static code analysis

  • Continuous Integration

  • DevOps

  • active monitoring

  • functional tests

  • integration tests

  • pen tests

  • test automation

Development opportunities we offer

  • assistance in preparation to public speeches

  • conferences abroad

  • conferences in Poland

  • development budget

  • external training

  • industry-specific e-learning platforms

  • intracompany training

  • mentoring

  • soft skills training

  • space for experimenting

  • substantive support from technological leaders

  • support of IT events

  • technical knowledge exchange within the company

  • the company supports open source projects

  • time for development of your ideas

What we offer

  • Flexibility and safety are important to us! As a company we were quick to react when the Corona pandemic began, sending all our employees to work from home. If you start out as a new employee at relayr, you will be working from home, enjoy a structured digital onboarding programme and flexible working hours.

  • Modern office located in Katowice city centre with a relaxation room, free coffee, snacks, and standing desks.

  • Get exposed to international colleagues and customers from around the globe. Our working languages are Polish and English!

  • An extensive on-boarding period so you can get up to speed with the rest of the team.

  • A learning environment where you can build upon your skills and interests, share knowledge, and attend events and conferences pertaining to your discipline. We also offer free English classes.

  • Have some fun with regular get-togethers, including sports events, seasonal parties, international trips and meetings.

  • Competitive salary.

  • IP author’s rights tax reliefs due to creative type of work (prawa autorskie).

  • Benefits package, including private health care, life insurance, and fitness passes.

  • We partner with Fürstenberg Institute and LuxMed to provide our employees with psychological support and career coaching.

  • Choose between a Mac, Windows, or a Linux machine.

  • Hands-on experience with cutting edge technology, space for research and exploration.

  • We offer the ability to work with the newest tech-stack and the most talented engineers in IoT industry!

  • Benefits

  • sharing the costs of sports activities

  • private medical care

  • sharing the costs of foreign language classes

  • sharing the costs of professional training & courses

  • life insurance

  • remote work opportunities

  • flexible working time

  • integration events

  • no dress code

  • coffee / tea

  • drinks

  • leisure zone

  • christmas gifts

  • employee referral program

  • charity initiatives

Recruitment stages

CV Screen


Phone Screen with Recruiter


Life coding session


Final Interview

relayr sp. z o.o.

Relayr is the Industrial Internet of Things (IIoT) powerhouse delivering the most complete solution for risk-free digital transformations. We unleash data insights from existing equipment, machines and production lines to improve our customers’ business outcomes.

We provide a unique combination of first-class IIoT technology and its delivery with powerful financial and insurance offerings — all from a single source trusted by hundreds of companies worldwide. With around 300 employees, we are a truly global family with locations in Germany, the USA, Poland, Italy, and the UK. Named twice the hottest start-up in Berlin by WIRED magazine and a winner of The Spark - the German Digital Award, relayr is now part of the Munich Re group.

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At relayr, we are passionate about creating an inclusive workplace that promotes and values diversity. As firm believers in the power of different perspectives, we encourage our employees to share knowledge and exchange bold ideas to help innovation in the IoT industry thrive. We are committed to creating a fair, supportive, and open environment for all.