Application Guide

How to Apply for Senior Backend Developer (f/m/d)

at Aedifion

🏢 About Aedifion

Aedifion is an innovative tech company leveraging IoT, AI, and cloud solutions to make buildings smarter, more sustainable, and easier to manage. Their mission directly contributes to CO₂ reduction, and with a diverse, team-oriented culture of over 100 colleagues from various nations, you'll have the opportunity to work on cutting-edge technology with a real-world impact.

About This Role

As a Senior Backend Developer on the Data Team, you'll ensure the stable operation of critical backend systems and data-near infrastructure that form the heart of aedifion's platform. Your work will directly enable efficient, transparent, and sustainable building operations, making a tangible difference in energy efficiency and climate protection.

💡 A Day in the Life

Your day might start with a stand-up with the Data Team to discuss ongoing work and any incidents. You'll spend time coding, reviewing pull requests, and optimizing database queries or data pipelines. Later, you might collaborate with DevOps to deploy a new service or troubleshoot a production issue, ensuring the platform remains reliable for building operators.

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🎯 Who Aedifion Is Looking For

  • Experienced in building and maintaining scalable, reliable backend systems, preferably in cloud environments (AWS, GCP, Azure).
  • Proficient in backend languages such as Python, Go, or Java, and familiar with data processing pipelines.
  • Strong understanding of database technologies (SQL and NoSQL) and data modeling for IoT or time-series data.
  • A team player with a proactive attitude, comfortable working in a remote, cross-functional team with a focus on operational reliability.

📝 Tips for Applying to Aedifion

1

Highlight any experience with IoT platforms, building management systems, or energy data – aedifion values domain-relevant expertise.

2

Showcase your work with high-availability systems and incident response; mention specific uptime or reliability metrics you've improved.

3

Tailor your resume to emphasize backend engineering, data infrastructure, and DevOps practices (CI/CD, monitoring, containerization).

4

Include a brief cover letter explaining your passion for sustainability and how your skills can help aedifion reduce CO₂ emissions.

5

Research aedifion's platform and mention specific features or challenges you find interesting in your application.

✉️ What to Emphasize in Your Cover Letter

['Your motivation for contributing to climate tech and energy efficiency.', "Specific examples of backend systems you've built or maintained that required high reliability and scalability.", 'Experience with data-intensive applications, especially time-series data or IoT data pipelines.', 'Your ability to work autonomously in a remote team and your collaborative mindset.']

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • → Explore aedifion's product and case studies on their website to understand the platform's architecture and value proposition.
  • → Read about their approach to building automation and energy management – check their blog or news section.
  • → Look into their tech stack (e.g., Python, Go, PostgreSQL, TimescaleDB, AWS) mentioned in job postings or engineering blogs.
  • → Understand the challenges of IoT data at scale and how aedifion differentiates itself from competitors.

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 Design a backend system to ingest and process high-frequency IoT sensor data from thousands of buildings.
2 How would you ensure data consistency and reliability in a distributed system?
3 Describe a time you debugged a production incident; what was your approach and outcome?
4 How do you handle trade-offs between performance, cost, and complexity in cloud infrastructure?
5 What is your experience with containerization (Docker, Kubernetes) and CI/CD pipelines?
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⚠️ Common Mistakes to Avoid

  • Don't submit a generic application without mentioning aedifion or sustainability – it shows lack of interest.
  • Avoid focusing solely on frontend or mobile experience; this is a backend role with emphasis on data infrastructure.
  • Don't neglect to mention remote work experience or self-management skills, as the role is fully remote.

📅 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 Aedifion!

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