Senior Backend Engineer

Allow us to introduce ourselves

Hello there! We’re Appinio, a global market research company that combines an AI-powered insights platform with expert consultancy. On a mission to make the world a little more fact-based, we help companies understand how consumers think and make smarter 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 13 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 Engineer

We are looking for a passionate ( Senior) Backend Engineer (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

• Having previous experience with NestJS 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 - Average is 30 days taken, however, we do not have a hard cap of number of vacation days as we know life happens

• Temporary work from abroad - 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

• Subsidised Urban Sports Club or ClassPass membership based on location

• 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

Additional role details

• This is a fully remote position open to candidates based in Germany, the UK, Portugal, the Netherlands, and Spain

• This role will report directly to our Head of Infrastructure

Our interview process

• Screening Call with a Talent Acquisition Partner

• Technical Interview with our Engineering Team

• Case Study Interview with our Engineering Leadership Team

• Executive Interview with C-Level

• Reference Calls

• Offer

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.

Please read our privacy policy here .

Learn more about us:

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