Full Stack Engineer
Generative AI & Agents (gn)

Cologne / Bochum / Mainz / Remote · Full- or Part-time

We're Hiring!

Full Stack Engineer
Generative AI & Agents (gn)

Cologne / Bochum / Mainz / Remote · Full- or Part-time

Speculative application

You can build software that works? Great.

You can use coding agents productively to deliver better results faster? Even better.

If you're also excited about building modern AI systems for German enterprises, then read on.

Software development has changed — and so has the way we work. We combine solid software engineering with modern coding agents, language models, and AI-powered workflows to build productive software for real use cases.

Implement modern AI workflows with language models, retrieval, search, and coding agents effectively
Build frontends that make complex AI functionality understandable and usable
Develop backends and integrations that reliably connect data, models, and systems
Structure requirements and derive robust technical solutions from them
Drive projects or sub-projects independently
Make pragmatic decisions together with clients and the team, and execute quickly
Continuously improve our internal tools, frameworks, and development processes

Your Profile

German at C2 level
Strong proficiency in at least one object-oriented, strongly typed language
Experience with backend development, databases, or system integration
Genuine interest in generative AI, language models, search technologies, and AI-native software development
Confidence in using modern AI and coding agents as part of your workflow
Enjoyment in achieving visible progress every week while working cleanly
The ability to structure requirements, make technical decisions, and implement topics independently

Productive software over AI demos — pragmatic, fast, and with high quality standards.
Modern AI tools and coding agents are an integral part of our daily workflow.
Take responsibility early, work closely as a team and near our clients.

What You Get on Top

Flexible hours, unlimited home office, and 20 days of workation within the EU
Cutting-edge tools on your device of choice (MacBook Pro / ThinkPad) with admin rights
Individual development support, annual salary reviews, and 30 vacation days

We're not looking for a perfect checklist. We value people who think technically strong, take responsibility, and want to build productive AI software in an ambitious environment. If you're already confident in some areas and still growing in others, we'd love to hear from you.

Start your application with our AI Challenge or an email.

Send us your name, a short message, and your CV to

Your Path to Deyan7

AVA

Our short entry challenge — show us how you think and work.

1. Interview with HR

Getting to know each other — we check if we're a good fit.

A more detailed case study with real work relevance.

Assessment + Team

Assessment of your challenge results and getting to know the team.

Decision

We make a decision together — fast and transparent.

Why Deyan7?

Cutting-Edge AI Stack

Work with the latest LLMs, coding agents, and AI workflows.

Full Ownership

Own features end-to-end, from planning to production. You shape what we build.

Remote, flexible hours, 30 vacation days, and 20 days of workation within the EU.

Deyan7 GmbH & Co. KG