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Full-Stack Developer (Freelance or Temporary Role)

apeirum
Department:Software Engineer
Type:REMOTE
Region:EU
Location:Spain
Experience:Associate
Estimated Salary:€40,000 - €60,000
Skills:
PYTHONSQLPYSPARKC#.NETDOCKERKUBERNETESDJANGO ORMRESTFUL APISMICROSERVICES
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Job Description

Posted on: August 24, 2025

We are hiring a Full-Stack Developer (mid-level) to work in a project together with a Swiss startup redefining smart factories for manufacturing SMEs. Their mission is to transform traditional factories into intelligent, self-optimizing production ecosystems using Industrial IoT, Data, AI, and cloud technologies.

As part of this collaboration, you will play a pivotal role in shaping the future of manufacturing. This position offers:

  • The chance to pioneer GenAI-driven solutions in industrial settings
  • Rapid skill development across multiple domains
  • Direct impact on real-world factory operations
  • Work at the forefront of Industry 4.0 innovation

This position is intended for freelancers or those interested in a temporary role, with the possibility of an extension or even a full-time position.

Tasks

Your Responsibilities

  • Design and manage relational databases using Django ORM
  • Build and integrate RESTful APIs for front-end and third-party services.
  • Implement secure user authentication and authorization systems.
  • Optimize application performance and database queries.
  • Write clean, maintainable code and conduct code reviews.
  • Collaborate with cross-functional teams (design, front-end, product) to deliver features.
  • Participate in Agile development processes and contribute to sprint planning.
  • Assist in deploying applications using Docker, Gunicorn, and cloud platforms
  • Troubleshoot bugs and ensure application security and reliability.

Requirements

You’re a Great Fit If You

  • Have a Bachelor’s/Master’s in Computer Science, Data Engineering, or related field.
  • Have 2–5 years of working experience as a full-stack developer using .NET and Angular
  • Strong Python, SQL, PySpark, C#, .NET and microservices experience (Docker, Kubernetes).
  • A plus: Familiarity with ML frameworks (TensorFlow, PyTorch) and industrial protocols (OPC UA, MQTT).

Mindset & Collaboration

  • Fluent in English
  • Strong problem-solving skills and passion for AI-driven automation.
  • Experience in manufacturing, logistics, or industrial automation is highly valued.
  • Comfortable in a fast-paced startup with a problem-solving, AI-first approach.

Benefits

Why Join Our Team?

  • 🔄 Continuous Improvement: Be part of a team dedicated to enhancing and evolving existing products, not just maintaining them.
  • 💡 Innovation-Driven: Contribute to product innovation, adding new features and capabilities that keep our solutions ahead of the curve.
  • 🌟 High-Performance Environment: Join a team that values excellence, resilience, and a passion for creating lasting impact.
  • 📈 Professional Growth: Opportunities for professional development and skill enhancement.
  • 🤝 Team Activities: Join us for a yearly strategic offsite meetings filled with team-building activities and social events.

Ready to Make an Impact? This role requires adaptability, a problem-solving mindset, and the ability to thrive in a fast-paced, innovation-driven environment. If you’re excited about shaping the future of health and wellbeing, we’d love to hear from you.

Originally posted on LinkedIn

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