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

CroX; Barcelona; Híbrido; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

An innovative AgTech company in Barcelona is looking for a Junior Full Stack Developer with experience in Swift and Python. You will have full ownership of the iOS app with a strong focus on sustainability. The role offers a competitive salary range and the flexibility to work in a hybrid or remote setup with a modern team. Ideal candidates will have several years of experience with strong initiative and a passion for green technology.

Servicios

Budget for equipment & professional development

28 days vacation

Work hybrid or remote

Formación

• 1–3 years professional experience in iOS development with Swift, SwiftUI, and/or UIKit.
• Solid Python, SQL & Git knowledge.
• Experience with REST APIs and dashboarding (e.g., Grafana).
• High initiative and hands-on mentality.

Responsabilidades

• Build and own the single iOS app in Swift end-to-end.
• Integrate securely with the Python backend.
• Set up and maintain CI/CD, TestFlight, and analytics.
• Monitor app health and iterate based on feedback.

Conocimientos

iOS development experience

Swift

Python

SQL

Fluent in English (B2+)

Git knowledge

Herramientas

SwiftUI

UIKit

REST APIs

Grafana

Docker

Descripción del empleo

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

📍 Location

• Hybrid / Remote within those 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 or remote from Madrid or Munich
• 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

• Short screening call with the company
• Technical interview (code & architecture deep dive)
• Small app case assignment