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Backend Software Engineer (f/m/d)

Customer Alliance

Customer Alliance

Software Engineering
Berlin, Germany
Posted on Jun 5, 2025
Product Development · Berlin · Hybrid

Backend Software Engineer (f/m/d)

About Us

At Customer Alliance, we believe feedback isn't just data, it's the foundation of trust, growth, and lasting relationships.

Based in Berlin’s vibrant tech scene, we’re a remote-first SaaS company with an extensive footprint in hospitality tech on a mission to help businesses exceed expectations and become truly loved by their customers. Our platform captures feedback, analyzes it with smart technology, and turns it into clear, actionable insights, helping companies in hospitality, healthcare, and automotive thrive.

We’re an international team of curious minds and passionate builders. Feedback isn’t just part of our product, it’s at the core of how we collaborate, improve, and grow.

You’ll thrive here if:

  • You value impact
  • You believe great ideas can come from anywhere
  • You take ownership and enjoy solving hard problems
  • You want to grow with a team that’s ambitious but humble

If you're ready to help shape the future of customer experience and be part of a product-led team that moves fast and thinks big, you’ll fit right in.

Your responsibilities:

  • Build and maintain scalable backend services using PHP 8.4 (Symfony 7) and Scala
  • Design robust APIs and integrate across services
  • Write clean, testable code with a strong focus on maintainability and performance
  • Develop and support features powered by generative AI, bringing intelligence to our product
  • Collaborate with product managers, designers, and frontend engineers to ship end-to-end features
  • Drive initiatives that improve our software architecture and scalability
  • Continuously contribute to our engineering culture by sharing knowledge and challenging the status quo

We expect:

  • 4+ years of professional experience in backend development
  • Solid understanding of SQL and experience building scalable data platforms
  • Hands-on experience with Symfony or Laravel
  • A strong testing and debugging mindset
  • Experience building or integrating features with GenerativeAI, or a strong interest in learning
  • Clear and confident English communication skills in both writing and verbal skills
  • A proactive mindset—you don’t wait to be told what to do; you seek clarity, drive ideas forward, and own your work

Our stack:

  • HTML5, (S)CSS, JS, VueJS
  • Symfony 7 with Doctrine ORM
  • PHP 8.4
  • Scala
  • Mysql
  • Redis
  • RabbitMQ
  • ElasticSearch
  • Nginx, Varnish
  • Docker
  • Linux

What we offer:

    • Hybrid work from our dedicated Mindspace office in central Berlin (Hausvogteiplatz, Mitte)
    • Full membership at Mindspace (co-working), allowing you to work from any of their locations
    • Budget to bring remote team members together and work in person
    • Work with highly experienced, smart, and ambitious people motivated to build great products
    • Earn extra vacation days each year (Start 26 days, Max 34 days)
    • FitX gym membership, available at all locations
Department
Product Development
Remote status
Hybrid
Employment type
Full-time
Contact Marina Soika Teamlead HR

About CA Customer Alliance GmbH

Customer Alliance—Harness the power of feedback.
As tech leaders in the Voice of the Customer space, we’ve built a powerful platform empowering companies to generate, collect, follow up, and analyse customer feedback at every stage of the customer journey. Over the past 10 years, we’ve proudly helped small businesses expand their online presence and large enterprises to use local and regional insights to synchronise customer satisfaction processes across multiple locations. The result for both—major customer satisfaction growth. You can find more information about us here.

Founded in 2009
Co-workers 45
Product Development · Berlin · Hybrid

Backend Software Engineer (f/m/d)

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