AI Engineer (m/f/d)

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Join to apply for the AI Engineer (m/f/d) role at think-cell Software

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think-cell provides graphics software that performs most of the painstaking work of creating data-driven slides for professional Excel and PowerPoint users. The testing department makes sure that new features are usable for all user groups, from new users to seasoned financial professionals.

What you will do

As an AI Engineer, you will get to apply your passion for AI to build sophisticated systems and great code that makes the think-cell product stronger and more automated.

You'll have the creative freedom to go beyond writing product code, focusing on building innovative prototypes that push the boundaries of what our software can do. You will contribute as a generalist with a strong understanding of the main AI frameworks, helping to push these boundaries. You will build prototypes to automate tasks, apply prompt engineering and other AI techniques, and write Python code while working independently to solve complex challenges.

Your work will directly impact our core mission of automating complex tasks in the slide writing context, which in turn makes business presentations easier and more enjoyable for over 1.3 million users worldwide.

You will be great for this position if you have

• 3+ years of experience in a similar role.

• Strong Python skills for writing clean, testable, and production-grade code, with experience in prototyping and backend frameworks (e.g., FastAPI).

• Solid understanding of large language models, transformer architectures, and practical use of frameworks like LangChain, LangGraph, or similar.

• Ability to design and assess modular, multi-step agent workflows with clear metrics, including agent routing, memory, and tool orchestration.

• Skilled in prompt design, function calling, tool integration, and familiarity with RAG pipelines and vector stores (e.g., FAISS).

• Experience with fine-tuning (LoRA, QLoRA, Hugging Face), and data preparation, training, evaluation, and deployment of custom models.

• Proficiency in iterative improvement based on user feedback and testing, along with basic Docker, CI/CD, and code quality practices.

Our Values

As part of our team, you will embody and help shape the following principles that define us:

• Forward Thinking: We embrace change and challenge the status quo.

• Ownership: We take pride in our work and learn from our mistakes.

• Unified Team: We foster collaboration, respect, and integrity.

• Strive for Excellence: We set ambitious goals and pursue quality.

Why is think-cell the right place for you?

We empower over 1.3 million users across 30,000 companies, including top consulting firms and major global enterprises. With offices in Berlin, Denver, Boston, London, Tokyo, and Dubai, we’re a diverse team of over 150 people, committed to innovation and excellence.

Think-cell is more than a job – it's a chance to be part of an innovative, inclusive team that values collaboration and growth. We encourage applicants from all backgrounds to apply. Together, we can shape the future of productivity software. We can’t wait to see what you’ll bring to the team!

Seniority level

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Seniority level

Mid-Senior level

Employment type

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Employment type

Full-time

Job function

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Job function

Information Technology

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Industries

Software Development

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