FrontendDeveloper

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](https://www.netguru.com/blog/who-are-netguru-freelancers), 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. Currently we are looking for a**Frontend Developer.** **Salary range: **up to 35€/h **Engagement:** fulltime **Working Hours:** 9-17CET **Start date:** 12.06.2026 **Project duration:** 6 months **Requirements** * **Are native Polish-speaker or have a good command of written and spoken Polish (at least B2+).** * **Have a good command of written and spoken English (at least B2).** * Core: ClojureScript and functional programming principles (immutability, pure functions). * State Management: Proficient in re-frame (Events, Subscriptions, Co-effects) and Reagent. * Data & API: Expertise in EDN and Transit formats; data validation using clojure.spec. * Interop: Hands-on experience with JS Interop and seamless integration of external NPM libraries. * Tooling: Skilled in shadow-cljs (or Leiningen) and REPL-driven development. * Engineering: React rendering performance optimization and automated testing with cljs.