Full-Stack Senior Backend & Database Engineer
Summary
Senior backend and database engineer responsible for designing, building, and optimizing the data platform and backend architecture of a global SaaS product using SQL Server/Azure SQL, T-SQL, .NET/C#, and REST APIs.
Full-Stack Senior Backend & Database Engineer
Location: Billund, Denmark (Hybrid / Remote by agreement)
Build the Foundation of a Global SaaS Platform
Every feature we build depends on one thing:
A fast, scalable, reliable data platform.
We are looking for an experienced Senior Backend & Database Engineer to help design, build, and optimize the backend architecture powering our global SaaS platform.
Our customers rely on our platform every day across more than 50 countries.
Performance, scalability, and data integrity matter.
While AI has transformed database development, we believe exceptional database engineering still depends on experience, critical thinking, and sound engineering judgment.
That is exactly what we are looking for.
What You will Build
You will be responsible for evolving the technical foundation of our platform by working with:
- SQL Server / Azure SQL Server
- Database development using T-SQL
- Data modelling
- Backend development (.NET / C#)
- REST APIs
- Integrations with external systems
- Performance optimization
- Query tuning
- Scalability
- High-availability solutions
You will work closely with the rest of our team building the next generation of our platform.
Who We are Looking For
You have:
- Extensive experience with Microsoft SQL Server and Microsoft Azure SQL
- Extensive experience with T-SQL to develop SQL stored procedures and SQL functions
- Strong database architecture and design skills
- Deep understanding of relational data modelling
- Experience developing backend systems in .NET / C#
- Experience building APIs
- Experience optimizing high-performance SQL environments
- Experience integrating third-party systems
- Strong analytical and problem-solving skills
Most importantly, you enjoy solving complex technical challenges.
AI-First Engineering - with Human Responsibility
We believe AI makes experienced database engineers even more effective.
We actively encourage AI to assist with:
- SQL development
- Query optimization
- Execution plan analysis
- Index recommendations
- Documentation
- RefactoringPerformance analysis
- Automation
But AI never replaces engineering responsibility.
Every schema change, migration, optimization, and deployment is reviewed and validated by an experienced engineer before reaching production.
Our customers trust us with their data.
Protecting that trust comes first.
You’ll Probably Love Working Here If You…
- Enjoy solving difficult backend problems.
- Love optimizing performance.
- Care deeply about data quality.
- Enjoy working with AI every day.
- Like learning new technologies.
- Believe AI should make engineers better - not replace them.
This Probably Isn’t the Right Job If You…
- Prefer repetitive work over solving new problems.
- Think AI has no place in software engineering.
- Want to avoid learning new technologies.
- Are not interested in modern engineering practices.
Focus on Engineering
You will not spend your days maintaining Azure infrastructure or renewing certificates.
Cloud Platform Engineer
Our dedicated Cloud Platform Engineer handles:
- Infrastructure
- Cloud services
- Monitoring
- Operations
- Security updates
- Certificates
This allows you to focus on designing scalable backend systems and building world‑class software.
Why Join My Instore Radio?
You will become part of a small, highly skilled engineering team with global ambitions.
Your work will directly influence a platform used by thousands of businesses across more than 50 countries, and you will help shape how AI is applied to modern software engineering.
If you are passionate about backend development, databases, and building the future with AI, we would love to hear from you.
Join Our AI-First Engineering Team
Together, we are building software differently.