OT

Senior Backend Engineer

Otter
Aarhus, Denmarkfull_timePosted 15 Jul 2026

About the role

<p><strong>Who we are</strong></p> <p>In the past, to be a successful restaurateur, you simply had to have a passion for food and a passion for people - but to succeed as a digital restaurateur you also need to have a passion for technology. We believe in the joy of serving others, and that's why we created Otter – to help restaurateurs succeed in online food delivery. Restaurants around the world, both large and small, including Chick-fil-A, Ben & Jerry’s, KFC, and Eataly trust our software to power their delivery business. We increase sales, reduce order issues, and decrease delivery headaches.</p> <p> </p> <p><strong>What you’ll do</strong></p> <p>As a Backend Engineer, you’ll design, implement, and optimize systems that power mission-critical applications. Your role will adapt to your strengths and interests, with opportunities to focus on:</p> <ul> <li><strong>Infrastructure</strong>: Build and maintain scalable, secure, and high-performance systems to ensure operational reliability.</li> <li><strong>Platform</strong>: Develop robust APIs and developer tools to improve team efficiency and scalability.</li> <li><strong>Product</strong>: Engineer backend services that support customer-facing applications and deliver seamless user experiences.</li> </ul> <p><strong>Core Responsibilities</strong>:</p> <ul> <li>Architect and implement scalable backend systems and APIs.</li> <li>Ensure high system performance, reliability, and security.</li> <li>Collaborate with product managers, designers, and other engineers to deliver end-to-end solutions.</li> <li>Participate in code reviews, testing, and documentation to maintain high-quality standards.</li> <li>Mentor junior engineers or take on leadership roles, depending on your seniority.</li> </ul> <h4> </h4> <h4>What we’re looking for</h4> <p>We value diversity of experience and are looking for individuals passionate about solving complex problems. </p> <p><strong>Basic Qualifications</strong>:</p> <ul> <li>Proficiency in backend programming languages like <strong>Java </strong>or <strong>Go</strong>.</li> <li>Familiarity with relational and/or NoSQL databases (e.g., <strong>PostgreSQL</strong>, <strong>MongoDB</strong>, <strong>Redis</strong>).</li> <li>Experience with cloud platforms like <strong>AWS</strong>, <strong>Google Cloud</strong>, or <strong>Azure</strong>.</li> <li>Understanding of RESTful APIs, microservices, and distributed systems.</li> <li>Strong debugging and problem-

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Otter

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