(Senior) Frontend Developer with React and Flutter - freelance

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted. How freelancing works at Netguru? As a Netguru freelancer , you can choose what works well for you. You decide when, where, and how you work on projects and tasks. We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills. But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team. So, are you ready to make an impact? Join Netguru, and let's build beautiful software together. Salary range (Senior): up to 188 PLN/h Salary range (Regular): up to 135 PLN/h Engagement: fulltime Working Hours: CET Start date: around mid August 2026 Project duration: 3 months Requirements Min. 3 years of experience for regular role and min. 5 years of experience for senior role React & Flutter: Strong expertise in React (Web) and Flutter (Mobile) development; Design Systems: Proven experience in building, structuring, and maintaining component libraries / design systems; AI-Ready Code Architecture: Understanding of clean code structure, documentation, and repository setup compatible with AI coding agents (e.g., Cursor, Claude, Lovable). Excellent English skills Nice-to-have: Practical experience using AI-assisted coding tools/agents in production workflows. Benefits In return, we offer: 100% remote, flexible work. Work with an experienced team of developers and continuous development of your hard and soft skills. Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes. Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more). Here's what you can expect from the recruitment process: First, you'll meet with one of our recruiters to get to know each other better. Then you will go through a round of technical interviews If everything goes well, you'll have the opportunity to meet with the client during online interviews. Don't hesitate and apply right away At Netguru, we're committed to creating an inclusive environment for everyone. If you require any disability-related adaptations during the recruitment process, please let us know. We're here to help!