Back-End Developer (m/f/d)

nao intelligence; Deutschland; Vor Ort; EUR 75.000 - 105.000; Vollzeit

Benefits dieser Stelle

Flexible working options

Remote work possibilities

Learning & development

Flat hierarchy

Zusammenfassung

nao intelligence is seeking a motivated Back-End Developer to build robust, scalable, and secure services that power our digital products. You will design and implement back-end services, business logic, and APIs, working closely with front-end teams to ensure smooth integration and performance.

You should write clean, well-tested code in Python/Node.js/Java/Go, design RESTful APIs or GraphQL endpoints, and possess experience with relational and NoSQL databases.

Qualifikationen

• Requires strong back-end development skills and clean code practices.
• Experience in designing and maintaining RESTful APIs and/or GraphQL endpoints.
• Familiarity with relational and NoSQL databases and secure, scalable systems.
• Ability to work in cross-functional teams and document architecture clearly.

Aufgaben

• Design, develop, and maintain back-end services, business logic, and APIs for web applications.
• Collaborate with front-end developers to ensure smooth integration and performance.
• Optimize for availability, scalability, and security of applications.
• Contribute to overall architecture and long-term technology strategy.

Kenntnisse

Python

Node.js

Java

C#

Go

RESTful APIs

GraphQL

Relational Databases

NoSQL

Ausbildung

Bachelor's degree in Computer Science or equivalent

Tools

PostgreSQL

MySQL

MongoDB

Jobbeschreibung

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.

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• CoreSolutions – 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.

Your Responsibilities

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.

Your Profile

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 GraphQL endpoints.

You’re familiar with relational and NoSQL 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, DevOps engineers, and stakeholders.

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

What We Offer

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.