Senior React Developer

Senior React Developer

Workplace: Office/hybrid/remote
Location: Bialystok, Warsaw

Your main responsibilities:

  • develop new features in existing projects,
  • develop modern, scalable applications from scratch – from PoC, through choosing tech-stack, until creating a MVP,
  • cooperate with project team and client,
  • be responsible for creating and improving automation process of repeatable tasks,
  • be very precise in code review,
  • taking an active part in internal initiatives (e.g. technical recruitment process, mentoring).

Join us if you have:

  • 4+ years of commercial experience in building React web applications,
  • excellent knowledge and practical experience with JavaScript, TypeScript, React,
  • solid, commercial experience with various state management tools in React apps (e.g. Redux, MobX),
  • very good understanding of HTTP/WebSocket communication,
  • experience in different styling concepts (e.g. CSS in JS, CSS preprocessors),
  • experience in SSR,
  • solid understanding of various application architecture concepts,
  • good knowledge of English is a must (spoken, written).


Nice to have:
  • knowledge and experience in working with Node.js and React Native,
  • experience in testing applications (unit tests, E2E tests),
  • understanding the idea of GraphQL.

Crazy about technology, serious about people

From the very beginning, we do business on our own terms. Part of it is taking care of our employees. Although money isn’t everything, we believe that top-notch specialists should earn top-notch salaries. But there’s more. Our people get private health insurance, flexible working hours, endless coffee-streams, ripe fruits, convenient office, and more.


Recruitment process

Phone call

Your application will be verified by the recruitment team. If your profile meets the current recruitment requirements, you will receive a phone call to set up a meeting.

Technical interview

Review meeting for your implementation assignment connected with technical talk about your experience and skills. It can include small coding task​ to see your code, the way you think and your approach of solving problems.

Client interview (optional)

Meeting with one of our clients to get know each other before you start working together.


When the willingness to work together is mutual, we send an offer :)


If you value development, we’re on the same page.  Apply now and prepare yourself for exciting challenges and projects. Do your job how and when you want to, remotely or in our comfortable offices. 


Natalia Górska

HR/Administrative Specialist

Iwona Łaguna

HR/Administrative Specialist

Contact us

Having questions? Ask Iwona :)

Feel free to get in touch with Iwona, our HR specialists to learn more. Find answers to the most common questions below. We are always happy to talk!

We usually work between 10 am and 4 pm from Monday to Friday. That is the time range when our team members and clients are available online. It is the time when we schedule our calls and meetings. Nevertheless, we believe that you know when your productivity is at highest level, so if it is applicable for your current project, you can work whenever you feel best for you!

Once starting work in Inspeerity you can choose freely between B2B contract (Umowa o Współpracę) or Employment contract (Umowa o Pracę).

We believe in people interactions and direct communication and we want you to be real part of our Team, have a small chat in the kitchen or go for lunch together. That is why we prefer to see you in the office (when it’s safe). However for part of your time you can work from any other spot of your choice. But try our atmosphere in the office first – we bet that you’ll like it!

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