Senior Backend Developer

April 1, 2025
Open
Open
Location
Anywhere
Occupation
Full-time
Experience level
Senior
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Allow us to introduce ourselves

Hello there! We’re Appinio, the fastest (and coolest) market research platform. On a mission to make the world a little more fact-based, we help companies understand how consumers think and make better data-driven decisions.

We started out in Hamburg back in 2014 but we’re now humbled to call the world our playground, with over 260 employees spread across 15 countries (we’re remote-first), 2600+ international clients, delivering research from +190 markets, globally.

Want to be a part of the Appinio movement? 🚀

Here at Appinio, we value transparency in our recruitment process, and we've created a blog to share what to expect during each step of our journey together: here

Your mission as a (Senior) Backend Developer 

We are looking for a passionate (Senior) Backend Developer (m/f/d) to join our amazing backend team. In this role, you will be responsible for developing new features and enhancing our existing code base using NodeJs, Express, and MongoDB. 

What you’ll be doing

  • Design and maintain server-side applications and database architecture.
  • Collaborate with front-end developers for a seamless user experience.
  • Regularly review and improve code and system efficiency.
  • Develop and deploy reusable, testable code and automated tests

You will thrive in this role if

  • You have at least 3 years of hands-on experience with Node.js, along with strong proficiency in TypeScript and Express.
  • You have practical experience working with NoSQL databases, preferably MongoDB.
  • You have a solid understanding of object-oriented programming principles.
  • You hold a degree in Computer Science or a related field – or have completed a comparable vocational training
  • Having AWS (S3, ECS, EC2), Docker and Terraform experience is a plus
  • You are a proactive problem solver, always seeking innovative solutions and continuously improving processes.
  • You are willing and able to get familiar with new systems.
  • You are a team player and enjoy collaborating with cross-functional teams.
  • You thrive in a collaborative environment, valuing team input and ensuring alignment with project goals.
How we work
  • We work in small, agile product teams with lots of ownership and fast decision-making.
  • You’ll collaborate with smart, driven, and genuinely nice people.
  • We keep meetings to a minimum – focus time matters.
  • We use a modern tech stack that supports us in building great products:
    • Backend: Node.js (TypeScript), Express, MongoDB, AWS, Docker, Terraform
    • Frontend: Angular, Flutter
    • Tools we love: GitHub, ClickUp, Slack

What’s in it for you?

  • Flexibility Policy - Our flexibility policy means there is no hard cap on the number of vacation days you can take.
  • Work-from-anywhere Policy - If you're based in the EU, you can work outside your country of residence for up to 180 days per year. 
  • All the hardware you need and your own MacBook
  • If you are located in Hamburg or Berlin, you'll get a Deutschland ticket or access to a mobility budget with the NAVIT app to get you to and from the office space.
  • If you are located in Germany or Spain, you will have access to a Subsidised Urban Sports Club membership.
  • In case you’re located in one of the cities where most of our fellow Appinioneers are (Hamburg, Berlin, Munich, London, Madrid, Barcelona, or New York), you can get access to our Co-working spaces.


Kind reminder: Please ensure that your application is submitted in English.

This post not only outlines our ideal candidate but also serves as an inspiration for what this role can evolve into. Even if you consider yourself an 80% fit but have a genuine passion for this position, we encourage you to apply. We're eager to hear from individuals who share our enthusiasm.

Appinio is an equal-opportunity employer. All applicants will be considered for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

Learn more about us:
 appinio.com    LinkedIn    Xing     Kununu    Instagram
 
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Appinio
Get survey results in minutes. Appinio collects thousands of answers globally from representative consumer groups to validate decisions & ideas in minutes. Appinio is a global market research company that combines an AI-powered insights platform with expert consultancy to help teams make better decisions. Through our innovative platform, we deliver actionable consumer insights across 190+ markets, enabling true customer centricity in every business decision. We unite advanced AI technology with proven research methodologies to predict real-world outcomes with superior accuracy. Our seamless, all-in-one platform makes gathering high-quality insights effortless, while our dedicated research experts provide guidance tailored to your business needs. This unique combination of technology and expertise helps teams answer the questions that matter most to their business. Trusted by over 3,000 industry leaders worldwide, Appinio is Europe's fastest-growing market research company. We're committed to maintaining the highest quality standards in data collection and analysis, ensuring authentic consumer voices inform every decision. Want to transform how your team makes decisions? Visit appinio.com to learn more. Privacy policy: https://www.appinio.com/en/privacy
HQ Location
Hamburg, Germany
Company type
Scale-up
Domain
Market Research
Website
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