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Urgent! Junior Full Stack Developer (Swift & Python) (m/f/d) - Local Job Opening in Berlin

Junior Full Stack Developer (Swift & Python) (m/f/d)



Job description





🌱 Junior Full Stack Developer (Swift & Python) (m/f/d)

📍 Location: Spain or Germany · Hybrid / Remote within these countries only -

🧭 About the Company

We’re partnering with an AgTech & Sustainability innovator that is redefining how technology supports regenerative farming.

Their mission: develop smart solutions for virtual fencing and ultra-high-density grazing that make a real impact on sustainability and animal welfare.

As part of a small, fast-moving team, you’ll work closely with the CTO (based in Madrid) and CEO to turn an internal product into a market-ready solution — with full ownership of the iOS app and plenty of room for growth.

💻 Your Responsibilities

  • Build and own the single iOS app in Swift (SwiftUI / UIKit) end-to-end

  • Integrate securely with the Python backend (REST APIs, auth, data models)

  • Set up and maintain CI/CD, TestFlight, crash reporting, analytics, and rollout configs

  • Implement field-ready features including offline workflows and geofencing

  • Use AI-assisted tools (Cursor, Claude Code, LLMs) for development, testing, and documentation

  • Monitor app health, analyze user data, fix issues, and iterate based on feedback

  • Document architecture, interfaces, and operational procedures

🎯 Your Profile

Must-haves


  • 1–3 years of professional experience in iOS development with Swift, SwiftUI and/or UIKit

  • Solid Python, SQL & Git knowledge

  • Experience with REST APIs and preferably dashboarding (e.g. Grafana)

  • Fluent in English (B2+)

  • High initiative and hands-on mentality

Nice-to-haves


  • Experience with CoreLocation / MapKit / Geofencing

  • Understanding of offline-first patterns (Core Data / SwiftData)

  • Familiarity with push notifications, Docker, CI/CD, or GraphQL

  • Interest in agriculture, sustainability, or green tech

  • Knowledge of Spanish or German is a plus

💚 Why You’ll Love This Role

  • Full ownership of the iOS app

  • Real, measurable impact on sustainability

  • Work hybrid from Madrid or Munichremote within Spain or Germany 

  • Close collaboration with CTO & CEO

  • Modern AI-enabled toolchain

  • Budget for equipment & professional development

💶 Offer Details

  • Type: Full-time permanent contract

  • Salary: €40,000 – €60,000 gross p.a.

  • Hours: 40 hours per week

  • Vacation: 28 days

  • Probation: 6 months

🚀 Hiring Process


  1. Short screening call with the company

  2. Technical interview (code & architecture deep dive)

  3. Small app case assignment



Required Skill Profession

Computer Occupations



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