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AI Engineer (Europe) - contractor

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AI Engineer (Europe) - contractor in Others

  • Hiflylabs
  • Full time
  • Email
  • Budapest, Hungary

Responsibilities

  • Own the architecture and delivery of production-grade LLM systems and classical ML solutions.
  • Design, evaluate, and optimize RAG pipelines, including retrieval strategy, chunking, indexing, and monitoring.
  • Build scalable LLM services, agentic workflows, and traditional ML systems where appropriate.
  • Define architecture trade-offs involving LLMs versus traditional ML, fine-tuning versus RAG, and hosted versus self-managed models.
  • Optimize distributed GenAI and ML workloads on Databricks and Spark for latency, cost, scalability, and reliability.
  • Implement evaluation frameworks for quality, hallucination, and performance measurement.
  • Productionize systems with CI/CD, monitoring, rollback, and versioning practices.
  • Design end-to-end AI solutions tailored to client problems and translate business needs into scalable architectures.
  • Lead technical decisions in client engagements and contribute to pre-sales architecture discussions.
  • Mentor team members and define GenAI and ML best practices.

Requirements

  • At least 5 years of experience in data science or a related field.
  • Proven experience delivering LLM-based systems to production, beyond proof-of-concept work.
  • Experience with classical ML projects and strong hands-on experience with RAG, agents, and open-source LLMs.
  • Deep understanding of latency, cost, scaling, and reliability trade-offs and experience optimizing production systems.
  • Strong Python and SQL skills.
  • Deep hands-on experience with Databricks and distributed computing with Spark, including performance optimization.
  • Experience deploying scalable ML and LLM systems on AWS, Azure, or GCP.
  • Ability to independently design end-to-end AI solutions for client problems.
  • Client-facing experience and willingness to participate in pre-sales processes.
  • Clear and confident English communication in technical discussions.

Benefits

  • Europe-based contractor arrangement.
  • International projects involving clients and partners across locations including New York, the Netherlands, Sweden, and Scotland.
  • Mentoring from the first day and continuous career support.
  • Learning and development opportunities.
  • Supportive corporate culture with mutual respect and collaboration.
  • Healthy work-life balance and reduced unnecessary meetings and administration.

Hiflylabs

Hiflylabs provides data engineering, analytics, AI/ML, and mobile application development for enterprises, delivering data warehouses, BI platforms, and cloud solutions. The privately held firm, founded in 2015 and headquartered in Budapest, operates as a consulting and implementation partner acr...

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