Senior Full‑Stack‑Spezialist für Plattformarchitektur (Python/Next.js) (m/w/d)

Über uns

JobNinja is one of Germany’s leading online job boards. Since 2016, we have been successfully matching professionals and managers with top employers — powered by our in-house Traffic Optimizer that maximizes the reach of each job ad.

We are now growing further and looking for motivated people who want to help us ignite the next stage.

Senior Full Stack Developer (Python, Next.js/React) (m/f/d)

– join us in Munich –

Your mission

• You actively shape the further development of our platform — from new features to entire architectures.
• Frontend, backend, DevOps — you feel at home everywhere and deliver quickly & cleanly.
• You deliver quickly implementable, efficient solutions across the entire stack — with a focus on quality, stability, and scalability.
• You bring your know-how into the team: code reviews, tech discussions, feedback for the Head of Software, and input for strategy.

Your profile

• Degree in IT or a comparable qualification.
• 3–5 years of experience with several of the following technologies:
  • Python, Flask, SQLAlchemy
  • SQL / PostgreSQL, ElasticSearch
  • AWS, Heroku, Vercel, OpenAI
  • JavaScript, Next.js (React)
• Testing & DevOps are not foreign words to you.
• Nice to have: SEO and AI knowledge.
• Fluent English; German is a bonus.
• Startup mindset: “You build it, you run it!” — take responsibility, drive things forward, enjoy shaping.

What you can expect from us

• A dynamic team with flat hierarchies, fast decisions, and plenty of room for creativity.
• Startup vibes: you can move things and dip into different topics.
• Prime location in Munich city center.
• 30 vacation days for proper balance.
• Regular team events & a relaxed, motivated working atmosphere.
• Equipment: Linux or Mac.
• Dog-friendly office.
• Job ticket (public transport pass).

Sound like your next step?

Then send us your application including salary expectations & possible starting date in one file.
Questions? Our recruiter Caroline is here for you: .

Your next career opportunity is waiting — let’s code the future together!