Senior Backend Engineer Grid Connection Squad (all genders)

About Working at envelio

Too easy is boring! Together, we are on a mission to drive forward the energy transition. We love what we do, and we are unafraid to dive in. We believe in taking ownership of our work and in continuously growing and evolving. In short: own it, love it, grow with it.

We are a humble team of coffee and maté lovers with over 20 nationalities. With our geek humor, our love for emojis and random facts is only natural. Over 130 envelians are already on board. Dive in and thrive!


Were looking for a strong Senior Backend Engineer (all genders) who combines technical excellence with a passion for innovation. Were seeking someone with:

• A rocksolid foundation in software engineering—from design patterns to best practices.
• Deep technical expertise in Python, REST APIs, and SQL, with a focus on scalability, high quality, and security.
• Natural techlead qualities that inspire others with fresh ideas, top engineering standards, and a collaborative spirit by example.

• Your Role

  As a Senior Backend Engineer (all genders) in our Grid Connection Squad, you will be part of an interdisciplinary engineering team that designs and builds scalable APIdriven backends, complex data handling logic, and efficient database transactions to develop highperformance, scalable cloudbased software.

  How You Make an Impact

  • You design and optimize scalable APIs to handle complex business logic and serve precise asset data and geodata responses efficiently.
  • You understand data algorithms and complex logic workflows and simplify them for efficiency.
  • You implement modern architecture and software design patterns to elevate the state of our code base to engineer lean, scalable SaaS products.
  • You collaborate closely with Frontend and FullStack engineers to build efficient backendfrontend interfaces.
  • You contribute to creating a sustainable, highperformant, and friendly team culture by example, connecting with your teammates to continuously refine and elevate our engineering standards and collaboration practices.
  • You collaborate with crossfunctional teams to integrate electrical engineering concepts into our products, improving functionality and user experience.

  • Your Profile

    Perfection is a myth! We’re more interested in the human behind the screen, so think of these criteria as helpful directions — were excited to see how your unique skills might fit in.
    
    

    • You have 5+ years of experience developing modern APIbased applications, ideally for SaaS products within startuplike working environments.
    • You have seniorlevel expertise in Python, FastAPI, and PostgreSQL, with a track record of delivering efficient and maintainable solutions.
    • You have a solid understanding of software engineering fundamentals and modern design patterns, which you leverage to build scalable, modular webbased products.
    • You follow effective testing and QA methodologies to ensure quality and reliability, ideally using tools like Pytest or similar testing frameworks.
    • You have proven experience leading technical decisionmaking in complex projects and can identify a balanced approach to tradeoffs.
    • You are a motivated team player with a strong desire for professional growth and a commitment to continuous improvement.
    • You are businessfluent in English (Level C1).
    • Optional big plus if you have experience in projects that combine software and electrical engineering and demonstrate an ability to integrate both domains.
    • You are located in Germany, The Netherlands, or Spain.

    • How we develop Software

      • Agile working method with Kanban in interdisciplinary squads
      • Continuous integration Continuous delivery
      • Strong testing mentality and 4eyes principle during code reviews.
      • Constant KnowledgeSharing practices between engineers.
      • “You Code it – You Own it” – Squad responsibility for certain functional areas of the product

      • Our Tech Stack

        • Python, FastAPI, Pytest and Celery.
        • PostgreSQL
        • RabbitMQ, Redis
        • Docker, Kubernetes

        • Your Benefits

          • Flexible working mode within Germany: Hybrid, from home or in our lovely office in Cologne
          • Option for remote work from abroad (up to three months per year)
          • State of the art technology and modern tech stack
          • Excellent hardware equipment (16 inch MacBooks, 2 screens at your workplace)
          • 30 holidays + 3 corporate holidays
          • Support for your health through sports membership cooperations
          • Flexible use of a monthly mobility budget (e.g. Jobrad, public transport)
          • Time and resources for individual growth
          • envelio pension plan
          • Regular company and team events
            
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            About us

            Intelligent grids for a sustainable future worldwide — this is our vision! Therefore, we are building the digital hub for the future of power grid management: The Intelligent Grid Platform (IGP). The IGP is the core of our software as a service solution. It’s our ambition to make the IGP and envelio 1 % better everyday. Grow with us!
            
            As a remotefirst company, we let you decide how much you want to work remotely – from 0% to 100%. Whether you live in Cologne or Aachen, Bonn or Berlin, Munich or CastropRauxel; all you need is internet! You can also work from abroad for up to three months per year. Since 2017, we have built a diverse international team, with English as our company language.