Back-End Developer

About Us We are a strategic innovation partner for mid-sized companies and ambitious startups. Combining unique expertise in artificial intelligence, deep business process knowledge, and in-house product development, we deliver solutions that not only work — but create real impact.

• AI Force One – Digital strategy, digital business models, AI maturity assessments, and future-ready architectures
• Think Engine – Tailor-made AI solutions and custom product development
• Tech Allies & Mission Support – On-demand IT expertise: interim CTOs, cloud architects, and developers
• Core Solutions – Proven in-house tools for procurement, data quality, and automation

Build What Matters. Power What’s Next.

We’re looking for a motivated and skilled Back-End Developer (m/f/d) to help us develop robust, scalable, and secure systems that form the backbone of our digital products. You’ll work on exciting technical challenges in a collaborative environment that values clean code, smart architecture, and practical innovation.

Design, develop, and maintain back-end services
, business logic
, and APIs for modern web applications.

Collaborate with front-end developers to ensure smooth integration and a seamless user experience.

Optimize performance and ensure availability
, scalability
, and security of applications.

Contribute to the overall architecture and help shape the long-term technology strategy.

Define and promote best practices in coding, testing, and deployment workflows.

You write clean
, efficient
, and well-tested code in one or more back-end languages such as Python
, Node.js
, Java
, C#, or Go
.

You’re experienced in designing and maintaining RESTful APIs and/or Graph

QL endpoints
.

You’re familiar with relational and No

SQL databases like PostgreSQL
, MySQL
, or MongoDB
.

You understand how to build systems that are secure
, scalable
, and maintainable
—and document them clearly.

You enjoy working in cross-functional teams and collaborating closely with front-end developers, Dev Ops engineers, and stakeholders.

You have a degree or vocational training in computer science or related fields—or equivalent hands-on experience.

Flexible working options
, including remote work and modern collaboration tools.

Personalized learning and development through courses
, conferences
, and certifications
.

A flat hierarchy with plenty of room to grow
, take initiative, and make an impact.

Exciting and varied projects with clients ranging from established companies to fast-moving startups
.

A supportive team culture that fosters collaboration, learning, and having fun at work.

Ready to take the next step and help shape the systems behind the digital solutions of tomorrow?