Oferta pracy

Frontend Engineer (React) (m/f/d)

relayr sp. z o.o.

contract of employment
9 00015 400 gross / mth.
B2B contract
12 00019 950 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


  • JavaScript

  • React.js


  • Redux

  • TypeScript

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 Frontend Engineer who is dedicated to building React web apps that allow our customers to visualize the data coming from their IoT devices and administer their devices in the field.

You will be working with a team of 16 Frontend Engineers spread across 4 different locations and working together as a team on various projects and exciting products. You will also be involved in designing and developing various parts of the existing infrastructure. Based in Katowice or remote.

Your responsibilities

  • Write code as part of a cross-functional squad that includes backend developers, designers, and QA engineers.

  • Develop modular web apps with React, Redux, and CSS-in-JS, using modern ES6 features.

  • Test your code with Jest and React Testing Library. Experience with integration testing tools like Selenium and Cypress is a plus.

  • Collaborate with the DevOps team to deploy apps to the web.

  • Work closely with our UX team to bring their designs and user interactions to life.

  • Collaborate with other frontend engineers on our in-house design system.

  • Collaborate with backend teams to make sure internal APIs and endpoints accurately reflect the needs of the frontend.

  • Participate in agile processes including sprint planning, ticket grooming, retrospectives, and daily stand-ups.

Our requirements

  • You have at least 3 years of experience in Frontend development.

  • You have experience building secure and performant apps with React.

  • You are familiar with modern JavaScript features, tooling, linting, and formatting.

  • You write clean code that is easy to understand and test.

  • You test your code as part of the development process.


  • Experience with Redux and TypeScript.

  • Experience with CI systems like Jenkins and container systems like Docker.

  • Practical experience with Azure services. Azure certification is a plus.

  • Experience with agile processes.

  • Experience working with VCS(Git).

  • Experience working with JIRA.

This is how we organize our work

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 technological solutions applied
  • you have influence on the product
  • you develop the code "from scratch"
  • kanban

Team members

  • frontend developer
  • architect
  • devOps
  • automated test programmer
  • product owner

This is how we work on a project

  • Clean Code

  • code review

  • architect / technical leader support

  • 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

  • intracompany training

  • mentoring

  • soft skills training

  • space for experimenting

  • substantive support from technological leaders

  • support of IT events

  • technical knowledge exchange within the company

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


Task Assessment


Team Technical Interview


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.