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Junior Software Developer (React / Supabase)

MindPal Sp. z o. o.Gliwicenofluffjobspublished 10/12/2026
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3 more positions at MindPal Sp. z o. o. →
Must-have:TypeScriptJavaScriptReactNode.jsGitFrontendBackendAIJunior

🔥 We are looking for a Junior Software Developer (React / Supabase)! 🔥 Do you love programming, solving real problems, and experimenting with new technologies? At MindPal , we’re building intelligent systems that power products across energy, education, and HR-tech — all from our office in Gliwice . We’re looking for a Junior Software Developer with at least 1 year of commercial experience , who enjoys writing code, exploring new technologies, and turning ideas into working solutions. You don’t need to know everything yet — we value curiosity, a problem-solving mindset, and the motivation to grow.

🟪 Cooperation Details: Type of contract: Contract of Mandate ( Umowa zlecenie ). Location: On-site, Gliwice. Compensation: 31.40–40.00 PLN gross/hour. 🟪 What We Offer: Long-term cooperation with opportunities to grow across frontend and backend development. The opportunity to work on-site at our office in Gliwice . Real projects for international clients using modern technologies. Access to AI-powered tools and automation supporting efficient project delivery. A collaborative team environment focused on knowledge-sharing, development, and ownership. 💬 Sounds like you? You don’t need to be an expert in every technology we use. Bring your curiosity, willingness to learn, and passion for building things — we’ll help you grow from there!

Daily tasks

  • Develop and maintain application features using React, TypeScript, and Vite.
  • Work with Supabase, including PostgreSQL, authentication, and storage.
  • Develop backend logic using Supabase Edge Functions and TypeScript.
  • Integrate external services through REST APIs.
  • Explore AI-powered tools and automation to improve the development process.

Requirements

🟪 What We Value: 1+ year of commercial experience in software development. Good understanding of JavaScript/TypeScript and React fundamentals. Understanding of SQL, relational databases, and PostgreSQL fundamentals. Familiarity with REST APIs, asynchronous programming, and Git. Experience with Supabase, Firebase, Node.js, or serverless functions is a plus. Communicative English and Polish at B2 level (written and spoken).

Must have: JavaScript, TypeScript, React, SQL, Relational database, PostgreSQL, REST API, Git, Firebase, Node.js