Senior React Developer
Work 100% remotely from EU or from our office in Warsaw
We are all about supercharging tech-based businesses. But make no mistake – software development is just a part of what we do at Startup House. Our mission is to deliver all-around support for startups at all stages of development.
Our Development Team is growing and looking for fresh blood – we’re currently searching for an experienced Senior React Developer who will help us create astonishing front-end for new startups and build amazing products.
📍 Location: Remote from EU/Warsaw Office (as you wish)
💰 Salary (PLN):
- 16 800 - 25 200 + VAT (B2B)
- 14 000 - 21 000 gross (CoE)
How can you grow with us?
- You will work on various projects for clients of different backgrounds, both business- and consumer-targeted.
- Do you wonder what project you would join? Check out our previous projects: a powerful cyber risk mitigation platform, a Norwegian eco-friendly start-up or something just as exciting!
- Our internal knowledge-sharing initiatives guarantee rapid skill development.
- You’ll gain wide experience in a multitude of industries and in various methods of work, both for exciting startups and established enterprises like Siemens.
- You will own your work and decide on the project’s direction.
What we’re looking for:
Experience:
- 3+ years of experience or proven track record of using React in commercial projects,
Tech skills:
- Very good knowledge of React,
- Very good knowledge of JavaScript,
- High code quality,
Soft skills:
- At least B2 in English - we work internationally, so that’s a must,
- Readiness to work in a dynamic environment – seriously, we’re still growing as a company, so you have to be flexible when it comes to rapid changes,
- Proactivity and high level of organization of your own work, with strong skills in time management and planning,
- Strong collaboration, communication, and organisation skills - we’re a team and we want you to be a part of it!
- Ability and will to share your knowledge with more junior members of the team,
- Proactive attitude towards implementing changes,
- Attention to detail.
Nice-to-haves:
- Passion for new technologies and startups!
- Pet projects, presence in the React community and passion, passion, passion!
- Some experience with Node.js,
- Any other programming languages and frameworks.
Let’s talk about benefits and perks:
- Flexible working hours,
- Possibility to work 100% remotely or from our office in Warsaw,
- 20 days of paid break per year on a B2B contract,
- Growth-driven culture: knowledge-sharing initiatives, individual career paths, and regular evaluation of your development,
- Startup approach, which means international teams, many greenfield projects, and gaining hands-on experience at every stage of the product development cycle,
- Freedom to choose the best tools and tech to achieve your team’s goals,
- Trustworthy devices - we work on MacBooks,
- Basics: Multisport card possibilities and private healthcare package.
Write to us, call us, join us and let's make some startups grow! 🚀
- Department
- Development
- Role
- Front-end - Senior React Developer
- Remote status
- Fully Remote

Warszawa
About Startup House
We are a software and product development company that brings your innovative ideas to life and makes them succeed on a global scale.
We are startup builders at heart focused on guiding our clients through every aspect of the product development cycle.
Our services cover ideation, prototyping, UX/ UI design, app & web development, scrum team augmentation, quality assurance, and product management.
Senior React Developer
Work 100% remotely from EU or from our office in Warsaw
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