> Markdown version of [/jobs/ext/2701310-fullstack-next-js-react-developer-m-w-d-ai](https://www.wearedevelopers.com/jobs/ext/2701310-fullstack-next-js-react-developer-m-w-d-ai). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Fullstack-Next-js-React-Developer-m-w-d-AI

- **Company:** Heritaxa
- **Location:** Berlin, Germany
- **Experience:** Experienced
- **Salary:** €65,000.0 - €85,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Computer Programming, Databases, Cursor (Graphical User Interface Elements), Github, PostgreSQL, Next.js, Software Engineering, GitHub Copilot, ReactJS
- **Published:** September 4, 2026
- **Apply:** https://www.stepstone.de/stellenangebote--Fullstack-Next-js-React-Developer-m-w-d-AI-powered-agentic-Berlin-Heritaxa-GmbH--14238600-inline.html

## About the Role

Was wir zwingend erwarten:- Mindestens 4 Jahre produktive React / Next.js Erfahrung (bitte konkrete Projekte / Links nennen)
\n - Starke, praktische AI-Erfahrung im Entwicklungsalltag - du nutzt bereits mind. eines der Top-Tools (Cursor, Claude Code, Copilot Agent, Windsurf, Aider …) und kannst uns zeigen, wie du damit 3-10× schneller wirst
\n - Sehr gute PostgreSQL-Kenntnisse (Schema-Design, komplexe Queries, Performance)
\n - Öffentliches GitHub / Portfolio mit modernen Next.js-Projekten (gerne mit AI-Elementen)
\n - Startup-Mindset: proaktiv, mitdenkend, unabhängig, hohe Lern- und Umsetzungsgeschwindigkeit
\n - Gute Deutsch- und Englischkenntnisse
\n Bewerbungen ohne klare Belege zu React-Erfahrung und konkreter AI-Tool-Nutzung (z. B. "Mit Cursor habe ich in 90 Minuten ein komplettes Feature inkl. Tests gebaut") werden nicht berücksichtigt.Anforderungen an den Bewerber: Zwingend erforderlich: Datenbank PostgreSQL
\n

## Description

n

 - Fullstack-Entwicklung mit Next.js, React und PostgreSQL
\n - AI-unterstütztes Coding für maximale Geschwindigkeit (Cursor, Claude Code, GitHub Copilot Agent Mode, Aider o.Ä.)
\n - Agentic Workflows: Von der Idee über Prompt * Code * Test * Deploy in Stunden statt Tagen
\n - Integration von AI-Features direkt ins Produkt (z. B. intelligente Szenario-Analysen, Optimierungsvorschläge)
\n - Agiles Arbeiten in kurzen Sprints mit Fokus auf schnelle, sichere Releases
\n - Mixed-Remote mit Berlin-Büro (regelmäßige Team-Sessions, Whiteboard-Sprints, Fun-Events)
\n


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