Senior Backend Engineer - Cloud-Native B2B Sales Platform

STARK Group; Aarhus; On-site; DKK 950,000 - 1,200,000; Full time

Job summary

STARK Group is seeking a Senior Backend Engineer in Aarhus to drive the evolution of our Sales application, powering B2B growth across our stores. You will craft scalable, cloud-native backend services, champion clean architecture, and mentor the team to raise engineering standards.

You will work at the heart of our digital transformation, blending hands-on engineering with architectural thinking to move from legacy constraints to modern, composable systems.

Qualifications

• 5–10 years of professional software development experience.
• Strong experience in C# and the .NET ecosystem.
• Experience building microservices and distributed systems in cloud environments (Azure).
• Hands-on with event-driven architectures and messaging systems (Kafka).
• Relational databases knowledge, specifically PostgreSQL.
• Strong practices: Clean Architecture, DDD, SOLID, automated testing.

Responsibilities

• Lead the design and implementation of robust backend services powering the B2B sales experience.
• Strengthen system reliability and performance for in-store users.
• Evolve microservice and event-driven architecture with Kafka integrations and core services like Pricing.
• Champion clean architecture and rigorous testing to safeguard long-term health.
• Mentor junior developers through code reviews and set engineering bar.
• Ensure high data integrity and performance in PostgreSQL databases.

Skills

C#/.NET

Microservices

Cloud (Azure)

Event-driven

Kafka

PostgreSQL

DDD

SOLID

Automated testing

Tools

Kubernetes

Argo

Grafana

Job description

STARK Group is seeking a Senior Backend Engineer in Aarhus to drive the evolution of our Sales application, powering B2B growth across our stores. You will craft scalable, cloud-native backend services, champion clean architecture, and mentor the team to raise engineering standards.

You will work at the heart of our digital transformation, blending hands-on engineering with architectural thinking to move from legacy constraints to modern, composable systems.