Senior Backend Engineer – Onsite Aarhus, Scalable APIs

M8l; Aarhus; Hybrid; DKK 700,000 - 1,000,000; Full time

Job summary

Otter in Aarhus is seeking a Backend Engineer to design, implement and optimize systems powering our online restaurant delivery platform. You’ll work across Infrastructure, Platform, and Product areas, focusing on scalable APIs and robust backend services.

This on-site role requires strong knowledge of Java or Go, databases like PostgreSQL, MongoDB or Redis, and cloud platforms (AWS, Google Cloud or Azure). You’ll join a collaborative team with opportunities for leadership and mentorship.

Qualifications

• Proficiency in backend languages Java or Go.
• Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB, Redis).
• Experience with cloud platforms like AWS, Google Cloud, or Azure.
• Understanding of RESTful APIs, microservices, and distributed systems.
• Strong debugging and problem-solving skills.

Responsibilities

• Architect scalable backend systems and APIs.
• Ensure high system performance, reliability, and security.
• Collaborate with product managers, designers, and other engineers to deliver end-to-end solutions.
• Participate in code reviews, testing, and documentation to maintain high-quality standards.
• Mentor junior engineers or take on leadership roles, depending on your seniority.

Skills

Java

Go

PostgreSQL

MongoDB

Redis

AWS

Google Cloud

Azure

RESTful APIs

Microservices

Distributed systems

Debugging

Problem-solving

Tools

Docker

Kubernetes

Job description

Otter in Aarhus is seeking a Backend Engineer to design, implement and optimize systems powering our online restaurant delivery platform. You’ll work across Infrastructure, Platform, and Product areas, focusing on scalable APIs and robust backend services.

This on-site role requires strong knowledge of Java or Go, databases like PostgreSQL, MongoDB or Redis, and cloud platforms (AWS, Google Cloud or Azure). You’ll join a collaborative team with opportunities for leadership and mentorship.