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AI/Machine Learning Engineer [Contractor]

3 weeks, 3 days ago
Brazil
Contract
Senior
AI (Artificial Intelligence)
Software Development
LLM Python
Apply Now
ArcTouch

ArcTouch

ArcTouch is a leading software design & development agency that creates custom mobile apps and digital experiences for companies, connecting brands with customers through lovable apps and websites.

Internet Software & Services
251-1K
Founded 2009
View All Jobs 2

Description

  • Design the taxonomy for LLM classification across dietary, flavor, use case, and sourcing attributes.
  • Design and iterate prompts for entity classification and metadata generation across products, recipes, and ingredients.
  • Build an evaluation harness to measure enrichment accuracy, coverage, and drift.
  • Implement the enrichment pipeline in Azure OpenAI with a human review step before writing to the graph.
  • Support entity resolution by matching recipe ingredients to products and disambiguating similar variants.
  • Define escalation paths for dietary and health claim outputs requiring regulatory or leadership sign-off.
  • Tune model selection and quality thresholds based on the review policy.
  • Document taxonomy decisions, prompt versions, and evaluation results.

Requirements

  • Solid experience in ML/AI engineering with hands-on LLM classification or enrichment pipeline experience.
  • Strong Python experience, including prompt engineering and structured output generation with JSON schemas and function calling.
  • Hands-on experience with Azure OpenAI or an equivalent LLM API.
  • Experience building evaluation and benchmarking frameworks for model outputs.
  • Experience building human-in-the-loop review workflows.
  • Familiarity with taxonomy- or ontology-driven data models.
  • Working knowledge of vector search and embeddings for semantic matching.
  • CPG, retail, or food industry experience, especially with dietary or health claim content (nice to have).
  • Familiarity with schema.org, JSON-LD, and GEO (nice to have).
  • Experience with Microsoft Fabric/Fabric IQ (nice to have).
  • Microsoft certification such as Azure AI Engineer Associate or equivalent (nice to have).

Benefits

  • Remote-friendly role.
  • Option to work from the Florianópolis office whenever desired.
  • Remote employees must live in Brazil.

Interested in this position?

Apply directly on the company website

Apply Now

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