Job Description

Future. Discover. Together.

If you’re passionate about start-ups, we’re excited to present this fantastic opportunity at HHI. Our vision? Accelerating the creation of groundbreaking, technology-driven start-ups. To achieve this, we rely on talents like YOU – supported by deep-tech projects, financial resources, professional facilities, and a strong network of mentors and coaches. As part of our project with the start-up Kukan, we are looking for a Working Student in 3D Reconstruction & AI. In cooperation with the start-up Kukan, we are developing innovative applications that combine 3D Gaussian Splatting, 3D reconstruction, and conversational AI to create photorealistic digital twins. Become part of our team and join us on a journey of research and innovation!

Be part of change

• Designing and optimizing conversational AI systems for photorealistic digital twins
• Developing full-stack applications that integrate 3D Gaussian Splatting outputs with advanced LLM capabilities
• Building intuitive user interfaces for interacting with digital twins
• Deploying, operating, and maintaining production-grade infrastructure
• Collaborating across the stack with a high degree of ownership and independence

What you contribute

• Enrollment (B.Sc./M.Sc.) in Computer Science, Machine Learning, Data Science, or a related field at a university in Berlin or Brandenburg
• Strong programming fundamentals (Python, JavaScript/TypeScript)
• Experience building and deploying applications
• Prior internship or industry experience (strongly preferred)
• Ability to work independently and take ownership of tasks
• Excellent communication skills in English
• Proficiency with Git, CI/CD, and collaborative development workflows

Areas of Expertise

• We are looking for strengths in one or more of the following areas. Please highlight which one you consider your strongest:

1. LLM/NLP Engineering

• Prompt engineering and optimization
• RAG systems and context management
• LLM fine-tuning or inference optimization
• Experience with LangChain, LlamaIndex, or similar frameworks
• Understanding of conversational AI architectures

2. Full-Stack Development (Backend Focus)

• System architecture and API design
• Backend development (Python, Go, Node.js, or similar)
• SQL/NoSQL database experience
• Cloud infrastructure (AWS, GCP, or Azure)
• DevOps and CI/CD pipelines
• Experience with Docker or Kubernetes is a plus

3. Frontend/UI Development

• Modern JavaScript frameworks (React preferred)
• Strong TypeScript proficiency
• Experience with 3D visualization (Three.js, WebGL) is a major advantage
• Strong UI/UX design sensibility
• Experience building real-time interactive applications
• Willingness to work on-site at least 3 days per week at the Fraunhofer HHI Accelerator at Silicon Allee (Berlin)

Nice to Have

• Experience with ML model deployment or MLOps
• Knowledge of computer vision or 3D graphics
• Familiarity with WebRTC or streaming technologies
• Previous experience in a startup environment
• Contributions to open-source projects

What we offer

• Fascinating challenges in a scientific and entrepreneurial setting
• Attractive salary
• Modern and excellently equipped workspace in central location
• Great and cooperative working atmosphere in an international team
• Flexible working hours
• Opportunities to work from home

The position is initially limited to one year. An extension is explicitly desired.

The monthly working time is 80 hours. This position is also available on a part-time basis. We value and promote the diversity of our employees' skills and therefore welcome all applications – regardless of age, gender, nationality, ethnic and social origin, religion, ideology, disability, sexual orientation and identity. Severely disabled persons are given preference in the event of equal suitability. Our tasks are diverse and adaptable – for applicants with disabilities, we work together to find solutions that best promote their abilities. The same applies if they do not meet all the profile requirements due to a disability.

With its focus on developing key technologies that are vital for the future and enabling the commercial utilization of this work by business and industry, Fraunhofer plays a central role in the innovation process. As a pioneer and catalyst for groundbreaking developments and scientific excellence, Fraunhofer helps shape society now and in the future.

Ready for a change? Then apply now and make a difference! Once we have received your online application, you will receive an automatic confirmation of receipt. We will then get back to you as soon as possible and let you know what happens next.

Ansprechpartner:

Florian Rosendahl

Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute HHI

www.hhi.fraunhofer.de

Requisition Number: 82195 Application Deadline: 12/15/2025