Application Guide

How to Apply for Working Student Software Engineering (m/f/d)

at 1KOMMA5°

🏢 About 1KOMMA5°

1KOMMA5° is pioneering holistic CO2-neutral building solutions by integrating decentralized clean energy, mobility, and heat supply. What makes them unique is their comprehensive approach to sustainability—not just focusing on one aspect but creating entire ecosystems for carbon-neutral living. Working here means contributing directly to Germany's energy transition with tangible impact.

About This Role

As a Working Student Software Engineer, you'll help build and maintain customer-facing products that enable sustainable energy solutions. You'll implement software for core applications, reduce technical debt, and collaborate with cross-functional teams to translate complex business problems into actionable requirements. This role offers hands-on experience with production systems that directly support clean energy adoption.

💡 A Day in the Life

A typical day might start with a stand-up with your remote team to coordinate on customer-facing product features. You'd spend time implementing TypeScript solutions for energy management applications, documenting decisions, and collaborating with product managers to refine requirements. The day could end with code reviews, addressing technical debt, or automating processes to improve developer experience.

🚀 Application Tools

Generate Cover Letter

AI-powered, tailored for 1KOMMA5°

Interview Prep

Practice questions for this role

🎯 Who 1KOMMA5° Is Looking For

  • Currently enrolled at a German university with at least two semesters remaining, studying computer science or a related field, and available for 20 hours weekly
  • Has practical experience writing maintainable, testable code with TypeScript and back-end/full-stack technologies, plus basic RESTful API knowledge
  • Demonstrates an agile, results-oriented mindset with genuine enthusiasm for team collaboration and experiment-driven innovation
  • Shows creativity in solving undefined problems and passion for improving both developer experience and customer satisfaction

📝 Tips for Applying to 1KOMMA5°

1

Highlight any TypeScript or back-end projects in your portfolio that demonstrate maintainable, testable code—especially if related to APIs or sustainability

2

Explicitly mention your enrollment status and availability (20 hours/week) upfront to show you meet the working student requirements

3

Describe a specific example where you helped reduce technical debt or automate processes in a previous project

4

Research 1KOMMA5°'s specific products like their energy management systems and mention how your skills could contribute

5

Show enthusiasm for their mission by connecting your interest in software engineering with sustainable technology applications

✉️ What to Emphasize in Your Cover Letter

["Connect your software engineering skills directly to 1KOMMA5°'s mission of creating CO2-neutral buildings and decentralized energy solutions", 'Provide concrete examples of your experience with TypeScript, RESTful APIs, and maintaining business-critical applications', 'Demonstrate your agile, collaborative mindset with specific instances of working in teams to solve complex problems', 'Explain how you balance university studies with professional work, emphasizing time management and commitment']

Generate Cover Letter →

🔍 Research Before Applying

To stand out, make sure you've researched:

  • → 1KOMMA5°'s specific product offerings and how they integrate energy, mobility, and heat solutions
  • → Germany's energy transition (Energiewende) policies and how decentralized energy solutions fit into this landscape
  • → The company's recent projects or partnerships in sustainable building technology
  • → Their technology stack mentions in job descriptions or engineering blog posts if available

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 Technical discussion about your TypeScript experience and approach to writing maintainable, testable code
2 Scenario-based questions about designing or improving RESTful APIs for energy management systems
3 How you would help shape requirements from undefined business problems related to clean energy solutions
4 Your experience with experiment-driven innovation and reducing technical debt in previous projects
5 Questions about working in cross-functional teams with product managers and designers in a remote setting
Practice Interview Questions →

⚠️ Common Mistakes to Avoid

  • Submitting generic applications without mentioning 1KOMMA5°'s specific sustainability mission or products
  • Failing to address the working student requirements (enrollment status, 20-hour availability)
  • Overemphasizing front-end skills without demonstrating back-end/TypeScript experience relevant to their business-critical applications

📅 Application Timeline

This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.

Typical hiring timeline:

1

Application Review

1-2 weeks

2

Initial Screening

Phone call or written assessment

3

Interviews

1-2 rounds, usually virtual

✓

Offer

Congratulations!

Ready to Apply?

Good luck with your application to 1KOMMA5°!

← Back to Job Listing Apply Now →