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Senior Software Developer (m/w/d) Green-Tech Start-Up Job Opening In Berlin – Now Hiring Green Fusion GmbH


Job description

Digitalization and the energy transition in one sentence?

Yes – at Green Fusion!


Our software optimizes the control of heating systems in residential buildings, helping to fight climate change.

By digitalizing and automating control processes, we reduce both emissions and energy consumption – actively driving forward the energy transition.


As a Senior Software Developer, you’ll join our Platforms Team and help bring our product vision to life:


Emitting less, gaining more: Transform residential buildings into auto-optimising, CO₂-neutral assets.


You’ll play a key role in improving and streamlining internal collaboration by building internal tools that automate and simplify cross-team processes.


Tasks



  • Write software – implementing features and changes end-to-end, covering the database model, backend, and frontend code.

  • Collaborate with your team to understand underlying problems and requirements.

  • Contribute to team planning by helping define tasks, priorities, and timelines.


Requirements



  • Solid educational background – ideally a degree in Computer Science or a related field

  • 5+ years of professional experience in software development

  • Solid experience across frontend and backend – especially with TypeScript, Python, Next.js

  • Proficiency in at least one modern language: TypeScript, Python, Go, or Rust

  • Familiarity with Nest.js, SQL, or the energy sector is a plus

  • Ability to write high-quality, production-ready code

  • Able to take responsibility and work closely with other engineers

  • Strong communication and collaboration skills

  • Independent, structured working style

  • Fluent in both German and English


Benefits


💼 Employee perks like Urban Sports Club or Become1 membership.


🏠 Flexible working hours and remote work – continue working from home even post-pandemic.


💡 Continuous learning – through on-the-job challenges, an open feedback culture, and supported professional development.


🌱 Real impact – contribute directly to the energy transition and help fight climate change every single day.


💚 Team appreciation – we value our team, which is why regular team events are an essential part of our culture.


🙌 The best team Berlin has to offer – or maybe even beyond.

Don’t believe it?

Apply now and see for yourself!


While we may still be considered pioneers today, with you on board we’re ready to take the market by storm – starting in the DACH region, and soon all across Europe.


You’ll join a motivated, open-minded, and dynamic team passionate about driving the energy transition forward.

We believe this mission can only succeed together.


We’re excited to hear from you – Hoa will be in touch soon!



Ein nachhaltiges Energiemanagement in der Wohnungswirtschaft ist nicht nur bald gesetzlich verpflichtend, sondern darüber hinaus ein aktiver Schritt gegen den Klimawandel, hin zu einer grüneren Zukunft für uns alle.


Durch eine signifikante Reduzierung des Heizenergieverbrauchs in Immobilien können nicht nur Ressourcen und Kosten gespart, sondern auch die CO2-Emissionen deutlich gesenkt werden.


Und mit Hilfe der Digitalisierung der Anlagen können diese effizient betrieben werden - automatisiert, vorausschauend und sich selbst optimierend.

Probleme können zudem früher erkannt und direkt behoben werden.


Klingt zu schön um wahr zu sein?

Nein, mit Green Fusion wird genau das möglich! Wir digitalisieren nicht nur Heizungskeller, wir automatisieren und optimieren den gesamten Betrieb und sorgen für die reibungslose Transformation hin zu regenerativen Systemen.

Für maximale Effizienz und Nachhaltigkeit in der Wohnungswirtschaft.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Senior Software Potential: Insight & Career Growth Guide


Real-time Senior Software Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Senior Software in Berlin, Germany, highlighting market share and opportunities for professionals in Senior Software roles.

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Are You Looking for Senior Software Developer (m/w/d) Green Tech Start Up Job?

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An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Green Fusion GmbH adheres to the cultural norms as outlined by Expertini.

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Green Fusion GmbH interview tips for Senior Software Developer (m/w/d) Green Tech Start Up

Here are some tips to help you prepare for and ace your Senior Software Developer (m/w/d) Green Tech Start Up job interview:

Before the Interview:

Research: Learn about the Green Fusion GmbH's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

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Final Thought:

To prepare for your Senior Software Developer (m/w/d) Green Tech Start Up interview at Green Fusion GmbH, research the company, understand the job requirements, and practice common interview questions.

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