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BOBolt Technology

Staff Machine Learning Engineer, AI Applications(m/w/x)

Berlin
Full-timeWith Home OfficeExperienced
AI/ML

Scaling knowledge mining from diverse data sources for AI-powered support systems. Hands-on retrieval-augmented systems experience required. Stock options, wellness perks.

Requirements

  • Hands-on experience with retrieval-augmented systems, search, ranking, or knowledge-based AI
  • Understanding of drivers for high-quality grounded responses
  • Experience in knowledge-heavy or policy-constrained domains
  • Understanding of correctness, consistency, and trust in domains
  • Experience building feedback loops for system improvements
  • Ability to operate at strategic and hands-on levels
  • Defining long-term direction
  • Diving into data, experiments, and failure analysis
  • Strong communication skills
  • Strong stakeholder management skills
  • Ability to align engineering, product, and operations
  • Experience with LLM-based pipelines or agentic AI systems (strong plus)
  • Experience in tool use, routing, memory, multi-step reasoning, or human-AI orchestration (strong plus)
  • Drive, intelligence, and integrity

Tasks

  • Align AI system behavior with business goals and customer experience standards
  • Improve answer quality, consistency, and escalation behavior
  • Build and scale knowledge mining capabilities from various data sources
  • Transform conversations and support tickets into reusable knowledge assets
  • Develop and maintain evaluation strategies for LLM-powered support systems
  • Create offline benchmarks, golden datasets, and human review workflows
  • Conduct online experimentation and track production quality metrics
  • Establish feedback loops for continuous improvement of automation quality
  • Integrate production failures and human corrections into model behavior
  • Collaborate with engineers on AI application infrastructure
  • Contribute ML expertise to tool-use quality, routing behavior, and memory quality
  • Influence technical direction and roadmap across teams
  • Clarify trade-offs in model behavior, retrieval quality, and business impact

Work Experience

  • approx. 1 - 4 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • retrieval-augmented systems
  • LLM-based pipelines
  • agentic AI systems

Benefits

Healthcare & Fitness

  • Wellness perks

Competitive Pay

  • Stock option package

Career Advancement

  • Career opportunities
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