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About the Role
The AI Engineering Intern will contribute to the design and development of generative AI applications and agentic solutions for Bain’s clients. You will gain hands-on exposure to the full AI development lifecycle, from early prototyping through to production-ready deployment, in a learning-first role with mentorship and increasing responsibility.
Responsibilities
- Contribute to the design and development of GenAI applications using modern LLM stacks.
- Support the implementation of AI pipelines and components, including Retrieval-Augmented Generation (RAG), fine-tuning, embedding generation, and hybrid retrieval strategies.
- Assist in implementing tool use, function calling, and orchestration across AI workflows.
- Assist in building agent capabilities including context engineering, memory and state management, orchestration, and tool integration.
- Support model experimentation, evaluation design, and production deployment tasks.
- Write clean, testable code and contribute to APIs and services through the full SDLC.
- Contribute to evaluation and observability for GenAI systems.
- Gain exposure to responsible AI practices across system design, including implementing guardrails and human-in-the-loop workflows.
- Contribute to evaluation harnesses and reusable components.
- Contribute to ML solutions end-to-end, including data preparation, model selection, training, validation, and performance analysis.
- Apply appropriate ML methods spanning classical ML and deep learning.
- Develop working knowledge of transformer fundamentals and LLM concepts.
- Collaborate with product, engineering, and data science teammates to build well-structured, reliable AI systems.
- Communicate clearly in working sessions, demos, and documentation.
- Support client discussions and documentation as part of broader engagement teams.
Requirements
- 0–2+ years of professional AI / ML engineering experience, or equivalent through internships, research, academic projects, or open-source contributions.
- Currently pursuing or recently completed a bachelor’s, master’s, or PhD in CS, ML, AI, Data Science, Engineering, or a related quantitative field; or equivalent early-career experience.
- Strong academic performance or demonstrated excellence through research, projects, internships, competitions, or open-source contributions.
- Proficiency in Python and some experience building APIs or services, or comparable project-based experience.
- Experience building complex, multi-stack generative AI programs from conception through production.
- Exposure to retrieval and search systems and familiarity with structured and unstructured data stores.
- Exposure to agentic patterns; hands-on experience preferred.
- Strong engineering practices: testing, code review, version control, CI/CD, and performance profiling.
- Excellent interpersonal and communication skills; interest in applying AI to real-world business problems in a client-facing environment.
- Fluency in English and German is required.
Skills
- Python
- APIs
- Services (e.g., REST/gRPC)
- Generative AI
- LLM stacks
- Retrieval-Augmented Generation (RAG)
- Fine-tuning
- Parameter-efficient tuning
- Embedding generation and optimization
- Hybrid retrieval strategies (vector, graph, keyword)
- Tool use
- Function calling
- Orchestration
- Agent capabilities
- Context engineering
- Memory and state management
- Model experimentation
- Evaluation design
- Production deployment
- SDLC
- Evaluation and observability for GenAI systems
- Responsible AI practices
- Guardrails
- Fallbacks
- Human-in-the-loop (HITL) workflows
- ML solutions
- Data preparation
- Feature engineering
- Model selection
- Training
- Validation
- Testing
- Performance analysis
- Classical ML
- Deep learning
- Transformer fundamentals
- LLM concepts
- Retrieval and search systems
- Vector search
- Hybrid retrieval
- Reranking
- Structured and unstructured data stores
- Agentic patterns
- Code review
- Version control
- CI/CD
- Performance profiling
Location
- Berlin
- Munich
Work Type
- Intern (Full-Time)
- Hybrid (minimum three days per week in person)
Experience Level
- Intern
- 0-2+ years of professional AI / ML engineering experience
Education Level
- Bachelor’s, Master’s, or PhD in CS, ML, AI, Data Science, Engineering, or a related quantitative field
About the Company
- We are proud to be consistently recognized as one of the world’s best places to work, currently the top ranked consulting firm on Glassdoor’s Best Places to Work list.
- Extraordinary teams are at the heart of our business strategy, requiring intentional focus on bringing together diverse backgrounds, cultures, experiences, perspectives, and skills in a supportive and inclusive work environment.
- We hire people with exceptional talent and create an environment in which every individual can thrive professionally and personally.
- Bain’s AI, Insights & Solutions (AIS) team works with clients to design and deliver AI-powered solutions that create measurable business impact.
- Bain offers significant learning and growth opportunities through our apprenticeship model.
- Bain works with clients on board-level and executive priorities.
- Bain collaborates with major AI ecosystem partners through its partnerships.