Applied AI Scientist

About the role

The Applied AI Scientist will build AI platforms that transform complex telecom network data into actionable insights. This role involves modeling complex problems, developing and prototyping machine learning and agentic AI solutions, and operationalizing them into production-ready tools. The successful candidate will combine strong analytical thinking with practical engineering skills to apply the latest AI developments to real-world telecom challenges.

Responsibilities

• Design and build agentic AI systems and RAG pipelines that can reason over technical documentation and live network data.
• Take ownership of testing and evaluation by developing evaluation datasets, metrics, and benchmarks for accuracy, retrieval quality, latency, and cost.
• Develop and continuously improve evaluation and observability practices, including offline and online evaluations, LLM-as-a-judge approaches, and quality dashboards.
• Turn data science insights into production-ready solutions, covering the full process from data analysis and modeling to well-tested, maintainable AI tools.
• Develop and enhance machine learning models for classification, anomaly detection, root-cause analysis, and related use cases.
• Write clean, well-tested, and maintainable code, actively contributing to high engineering standards across the team.
• Research and experiment with new AI models, methods, and technologies, turning promising approaches into practical features.
• Work closely with engineers, data specialists, and domain experts to develop effective solutions for real-world telecom challenges.

Required skills

• Python
• Machine learning
• Data science
• AI agents
• RAG
• Mathematical modeling
• Computational modeling
• scikit-learn
• XGBoost
• LightGBM
• Deep learning

Nice to have

• AWS
• LangGraph
• Chroma
• FAISS
• LangSmith
• Langfuse
• Telecom
• Signal processing

Qualifications

• PhD in a quantitative discipline such as Physics, Mathematics, Computer Science, Engineering, Computational Chemistry/Biology, or a related natural science

Benefits

• Flexible working hours
• 28 vacation days
• Health & Sports subsidy
• Public transportation subsidy
• Bicycle leasing
• Regular team events

About the Company

NET CHECK GmbH is a leading partner for network operators and infrastructure providers, specializing in international network benchmarking, planning, and fault analysis. Part of the NC GROUP, the company operates a large crowdsourcing platform and maintains a strong commitment to quality and security for scientific and government institutions.