Delivery Hero
Senior Data Scientist - (Query Intelligence, Global Discovery)(m/w/x)
Full-timeWith HomeofficeSenior
Berlin
New Job?Nejo!
Your personal AI career agent
DEDelivery Hero
Senior AI Scientist (Agentic AI)(m/w/x)
Berlin
Full-timeWith Home OfficeSenior
AI/ML
Data Science
Nejo AI Summary
Architecting agent-based systems using LangGraph and Claude SDK for a global delivery platform. 2+ years applied AI/ML engineering with real-world deployments required. 27 days holiday, 1000 EUR educational budget.
Requirements
- 2+ years applied AI/ML engineering with real-world deployments
- Strong Python skills and experience with LangChain, LlamaIndex, or Haystack
- Deep knowledge of RAG, LLM mechanics, prompt design, and chaining
- Experience with vector databases (Pinecone, Weaviate, FAISS) and embedding models
- Ownership and problem-solving ability
- Fast-paced work with focus on quality and impact
- Belief in working code and iterative development
- Open-source model experience (LLaMA2, Mixtral, Mistral) or custom inference stacks
- Model judging, feedback loops, or human-in-the-loop architecture experience
- Experience designing test harnesses with agent personas or synthetic users
- Familiarity with prompt injection mitigation, output validation, or agent safety
- Background in shipping AI in real-world web or mobile products
Tasks
- Architect and deploy agent-based systems
- Use LangGraph, PydanticAI, LangChain, Google ADK, Claude SDK
- Build and optimize RAG pipelines
- Implement smart chunking, embedding strategies, vector search
- Design self-evolving prompt systems
- Create dynamic decision flows driven by LLMs
- Develop APIs for model-to-tool communication
- Integrate models with data and other systems
- Monitor and evaluate model feedback loops
- Automate model testing using AI-based simulation
- Collaborate with product and engineering teams
- Ship AI-native features, not just prototypes
Work Experience
- 2 years
Education
- Bachelor's degreeOR
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- Python
- LangChain
- LlamaIndex
- Haystack
- RAG
- LLM
- Pinecone
- Weaviate
- FAISS
- LLaMA2
- Mixtral
- Mistral
Benefits
More Vacation Days
- 27 days holiday
- Extra holiday day on 2nd year of service
- Extra holiday day on 3rd year of service
Additional Allowances
- 1000 EUR Educational Budget
- Digital meal vouchers
- Food vouchers
Learning & Development
- Language courses
- Udemy Business platform access
Family Support
- Parental support
Healthcare & Fitness
- Health checkups
- Gym subsidy
Mental Health Support
- Meditation
Company Bike
- Bicycle subsidy
Competitive Pay
- Employee Share Purchase Plan
Workation & Sabbatical
- Sabbatical bank
Public Transport Subsidies
- Public transportation ticket discount
Other Benefits
- Life & accident insurance
Retirement Plans
- Corporate pension plan
Corporate Discounts
- Corporate discounts
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of Delivery Hero and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.
Not a perfect match?
- akirolabs
Senior AI Engineer(m/w/x)
Full-timeWith HomeofficeSeniorBerlin - Simon-Kucher
Senior AI Engineer(m/w/x)
Full-timeWith HomeofficeSeniorBerlin - Delivery Hero
Senior Data Scientist - Logistics, Workforce(m/w/x)
Full-timeWith HomeofficeSeniorBerlin - Arbio Group GmbH
Senior AI Engineer(m/w/x)
Full-timeWith HomeofficeSeniorBerlin
DEDelivery Hero
Senior AI Scientist (Agentic AI)(m/w/x)
Berlin
Full-timeWith Home OfficeSenior
AI/ML
Data Science
Nejo AI Summary
Architecting agent-based systems using LangGraph and Claude SDK for a global delivery platform. 2+ years applied AI/ML engineering with real-world deployments required. 27 days holiday, 1000 EUR educational budget.
Requirements
- 2+ years applied AI/ML engineering with real-world deployments
- Strong Python skills and experience with LangChain, LlamaIndex, or Haystack
- Deep knowledge of RAG, LLM mechanics, prompt design, and chaining
- Experience with vector databases (Pinecone, Weaviate, FAISS) and embedding models
- Ownership and problem-solving ability
- Fast-paced work with focus on quality and impact
- Belief in working code and iterative development
- Open-source model experience (LLaMA2, Mixtral, Mistral) or custom inference stacks
- Model judging, feedback loops, or human-in-the-loop architecture experience
- Experience designing test harnesses with agent personas or synthetic users
- Familiarity with prompt injection mitigation, output validation, or agent safety
- Background in shipping AI in real-world web or mobile products
Tasks
- Architect and deploy agent-based systems
- Use LangGraph, PydanticAI, LangChain, Google ADK, Claude SDK
- Build and optimize RAG pipelines
- Implement smart chunking, embedding strategies, vector search
- Design self-evolving prompt systems
- Create dynamic decision flows driven by LLMs
- Develop APIs for model-to-tool communication
- Integrate models with data and other systems
- Monitor and evaluate model feedback loops
- Automate model testing using AI-based simulation
- Collaborate with product and engineering teams
- Ship AI-native features, not just prototypes
Work Experience
- 2 years
Education
- Bachelor's degreeOR
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- Python
- LangChain
- LlamaIndex
- Haystack
- RAG
- LLM
- Pinecone
- Weaviate
- FAISS
- LLaMA2
- Mixtral
- Mistral
Benefits
More Vacation Days
- 27 days holiday
- Extra holiday day on 2nd year of service
- Extra holiday day on 3rd year of service
Additional Allowances
- 1000 EUR Educational Budget
- Digital meal vouchers
- Food vouchers
Learning & Development
- Language courses
- Udemy Business platform access
Family Support
- Parental support
Healthcare & Fitness
- Health checkups
- Gym subsidy
Mental Health Support
- Meditation
Company Bike
- Bicycle subsidy
Competitive Pay
- Employee Share Purchase Plan
Workation & Sabbatical
- Sabbatical bank
Public Transport Subsidies
- Public transportation ticket discount
Other Benefits
- Life & accident insurance
Retirement Plans
- Corporate pension plan
Corporate Discounts
- Corporate discounts
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of Delivery Hero and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.
About the Company
Delivery Hero
Industry
IT
Description
The company is a pioneering local delivery platform operating in over 70 countries, focused on delivering an amazing experience.
Not a perfect match?
- Delivery Hero
Senior Data Scientist - (Query Intelligence, Global Discovery)(m/w/x)
Full-timeWith HomeofficeSeniorBerlin - akirolabs
Senior AI Engineer(m/w/x)
Full-timeWith HomeofficeSeniorBerlin - Simon-Kucher
Senior AI Engineer(m/w/x)
Full-timeWith HomeofficeSeniorBerlin - Delivery Hero
Senior Data Scientist - Logistics, Workforce(m/w/x)
Full-timeWith HomeofficeSeniorBerlin - Arbio Group GmbH
Senior AI Engineer(m/w/x)
Full-timeWith HomeofficeSeniorBerlin