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Senior Backend Engineer

appinio

Hamburg, Hamburg 9/20/2026 Full-time
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&lt;div class=&quot;content-intro&quot;&gt;&lt;p&gt;&lt;strong&gt;Allow us to introduce ourselves&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;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.&lt;/p&gt; &lt;p&gt;We started out in Hamburg back in 2014, but we’re now humbled to call the world our playground, with over &lt;strong&gt;260 employees&lt;/strong&gt; spread across &lt;strong&gt;13 countries &lt;/strong&gt;(we’re remote-first), 2600+ international clients, delivering research from &lt;strong data-stringify-type=&quot;bold&quot;&gt;+190 markets,&lt;/strong&gt; globally.&lt;/p&gt; &lt;p&gt;Want to be a part of the Appinio movement? &lt;strong&gt;🚀&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;Here at Appinio, we value &lt;strong&gt;transparency&lt;/strong&gt; &lt;strong&gt;in our recruitment process&lt;/strong&gt;, and we&#39;ve created a blog to share what to expect during each step of our journey together:&lt;/span&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;&lt;em data-stringify-type=&quot;italic&quot;&gt;&amp;nbsp;&lt;/em&gt;&lt;/span&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;&lt;a class=&quot;c-link c-link--focus-visible&quot; href=&quot;https://www.appinio.com/en/blog/life-at-appinio/appinio-recruitment-process&quot; target=&quot;_blank&quot; data-stringify-link=&quot;https://www.appinio.com/en/blog/life-at-appinio/appinio-recruitment-process&quot; data-sk=&quot;tooltip_parent&quot;&gt;here&lt;/a&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;&lt;/div&gt;&lt;div class=&quot;role&quot;&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454830&quot;&gt; &lt;p&gt;&lt;strong&gt;Your mission as a Senior Backend Engineer&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;We are looking for a passionate (&lt;strong&gt;Senior)&lt;/strong&gt; &lt;strong&gt;Backend Engineer (m/f/d)&lt;/strong&gt; 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. &amp;nbsp;&lt;/p&gt; &lt;p&gt;&lt;strong&gt;What you’ll be doing&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;Design and maintain server-side applications and database architecture.&lt;/li&gt; &lt;li&gt;Collaborate with front-end developers for a seamless user experience.&lt;/li&gt; &lt;li&gt;Regularly review and improve code and system efficiency.&lt;/li&gt; &lt;li&gt;Develop and deploy reusable, testable code and automated tests&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&lt;strong&gt;You will thrive in this role if&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;You have at least 3 years of hands-on experience with Node.js, along with strong proficiency in TypeScript and Express.&lt;/li&gt; &lt;li&gt;You have practical experience working with NoSQL databases, preferably MongoDB.&lt;/li&gt; &lt;li&gt;You have a solid understanding of object-oriented programming principles.&lt;/li&gt; &lt;li&gt;You hold a degree in Computer Science or a related field – or have completed a comparable vocational training&lt;/li&gt; &lt;li&gt;Having AWS (S3, ECS, EC2), Docker and Terraform experience is a plus&lt;/li&gt; &lt;li&gt;Having previous experience with NestJS is a plus&lt;/li&gt; &lt;li&gt;You are a proactive problem solver, always seeking innovative solutions and continuously improving processes.&lt;/li&gt; &lt;li&gt;You are willing and able to get familiar with new systems.&lt;/li&gt; &lt;li&gt;You are a team player and enjoy collaborating with cross-functional teams.&lt;/li&gt; &lt;li&gt;You thrive in a collaborative environment, valuing team input and ensuring alignment with project goals.&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&lt;strong&gt;How we work&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;We work in small, agile product teams with lots of ownership and fast decision-making.&lt;/li&gt; &lt;li&gt;You’ll collaborate with smart, driven, and genuinely nice people.&lt;/li&gt; &lt;li&gt;We keep meetings to a minimum – focus time matters.&lt;/li&gt; &lt;li&gt;We use a modern tech stack that supports us in building great products:&lt;/li&gt; &lt;ul&gt; &lt;li&gt;Backend: Node.js (TypeScript), Express, MongoDB, AWS, Docker, Terraform&lt;/li&gt; &lt;li&gt;Frontend: Angular, Flutter&lt;/li&gt; &lt;li&gt;Tools we love: GitHub, ClickUp, Slack&lt;/li&gt; &lt;/ul&gt; &lt;/ul&gt; &lt;p&gt;&lt;strong&gt;What’s in it for you?&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;Flexibility&lt;/span&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt; Policy&lt;/span&gt;&lt;/strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt; - Average is 30 days taken, however, we do not have a hard cap of number of vacation days as we know life happens&lt;/span&gt;&lt;/li&gt; &lt;li&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;Temporary work from abroad - &lt;/span&gt;&lt;/strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;If you&#39;re based in the EU, you can work outside your country of residence for up to 180 days per year&lt;/span&gt;&lt;/li&gt; &lt;li&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;All the hardware you need and&amp;nbsp;&lt;/span&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;your own MacBook&lt;/span&gt;&lt;/strong&gt;&lt;/li&gt; &lt;li&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;If you are located in Hamburg or Berlin, you&#39;ll get a&amp;nbsp;&lt;/span&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;Deutschland ticket&lt;/span&gt;&lt;/strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt; or access to a mobility budget with the&amp;nbsp;&lt;/span&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;NAVIT app&lt;/span&gt;&lt;/strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt; to get you to and from the office space&lt;/span&gt;&lt;/li&gt; &lt;li&gt;Subsidised &lt;strong&gt;Urban Sports Club &lt;/strong&gt;or &lt;strong&gt;ClassPass&lt;/strong&gt; membership based on location&lt;/li&gt; &lt;li&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;In case&lt;/span&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt; 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&amp;nbsp;&lt;/span&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;Co-working spaces&lt;/span&gt;&lt;/strong&gt;&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;Additional role details&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;This is a&amp;nbsp;&lt;strong&gt;fully remote position&lt;/strong&gt;&amp;nbsp;open to candidates based in Germany, the UK, Portugal, the Netherlands, and Spain&lt;/li&gt; &lt;li&gt;This role will report directly to our Head of Infrastructure&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&lt;strong&gt;&lt;span data-preserver-spaces=&quot;true&quot;&gt;Our interview process&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;Screening Call with a Talent Acquisition Partner&lt;/li&gt; &lt;li&gt;Technical Interview with&amp;nbsp; our Engineering Team&lt;/li&gt; &lt;li&gt;Case Study Interview with our Engineering Leadership Team&lt;/li&gt; &lt;li&gt;Executive Interview with C-Level&lt;/li&gt; &lt;li&gt;Reference Calls&lt;/li&gt; &lt;li&gt;Offer&lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; &lt;/div&gt;&lt;div class=&quot;content-conclusion&quot;&gt;&lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454846&quot;&gt; &lt;div class=&quot;role&quot;&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454830&quot;&gt; &lt;p&gt;&lt;strong&gt;Kind reminder:&lt;/strong&gt;&amp;nbsp;Please ensure that your application is submitted in English.&lt;/p&gt; &lt;p&gt;&lt;em data-stringify-type=&quot;italic&quot;&gt;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&#39;re eager to hear from individuals who share our enthusiasm.&lt;/em&gt;&lt;/p&gt; &lt;p&gt;&lt;em&gt;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.&lt;br&gt;&lt;br&gt;&lt;/em&gt;&lt;strong&gt;Please read our privacy policy &lt;a href=&quot;https://www.appinio.com/en-gb/privacy&quot;&gt;here&lt;/a&gt;.&lt;/strong&gt;&lt;/p&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class=&quot;ja-right&quot;&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454850&quot;&gt; &lt;div class=&quot;contact&quot;&gt; &lt;div class=&quot;c3&quot;&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454866&quot;&gt; &lt;div&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454878&quot;&gt;&lt;strong&gt;Learn more about us:&lt;/strong&gt;&lt;/div&gt; &lt;/div&gt; &lt;div class=&quot;a1&quot;&gt;&lt;a href=&quot;https://appinio.com/&quot; target=&quot;_blank&quot;&gt;&lt;img style=&quot;max-width: 100%;&quot; src=&quot;https://jobdata.prescreen.io/appinio/website-icon.svg&quot;&gt;&amp;nbsp;appinio.com&amp;nbsp; &amp;nbsp;&lt;/a&gt;&lt;a href=&quot;https://de.linkedin.com/company/appinio-gmbh&quot; target=&quot;_blank&quot;&gt;&lt;img style=&quot;max-width: 100%;&quot; src=&quot;https://jobdata.prescreen.io/appinio/linkedin-icon.svg&quot;&gt;&amp;nbsp;LinkedIn &amp;nbsp;&amp;nbsp;&lt;/a&gt;&lt;a href=&quot;https://www.xing.com/companies/appiniogmbh&quot; target=&quot;_blank&quot;&gt;&lt;img style=&quot;max-width: 100%;&quot; src=&quot;https://jobdata.prescreen.io/appinio/xing-icon.svg&quot;&gt;&amp;nbsp;Xing&amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/a&gt;&lt;a href=&quot;https://www.kununu.com/de/appinio&quot; target=&quot;_blank&quot;&gt;&lt;img style=&quot;max-width: 100%;&quot; src=&quot;https://jobdata.prescreen.io/appinio/kununu-icon.svg&quot;&gt;&amp;nbsp;Kununu &amp;nbsp;&amp;nbsp;&lt;/a&gt;&lt;a href=&quot;https://www.instagram.com/appinio&quot; target=&quot;_blank&quot;&gt;&lt;img style=&quot;max-width: 100%;&quot; src=&quot;https://jobdata.prescreen.io/appinio/instagram-icon.svg&quot;&gt;&amp;nbsp;Instagram&lt;/a&gt;&lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454850&quot;&gt; &lt;div class=&quot;offer&quot;&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454854&quot;&gt; &lt;div class=&quot;contact&quot;&gt; &lt;div class=&quot;c3&quot;&gt; &lt;div class=&quot;job-ad-editable job-ad-editable job-ad-editor&quot; data-content=&quot;6454866&quot;&gt;&amp;nbsp;&lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt;&lt;/div&gt;<p>Find more <a href="https://www.arbeitnow.com/english-speaking-jobs">English Speaking Jobs in Germany</a> on Arbeitnow</a>

Engineering

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