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

Information Technology

251-1K (360)

Founded 2009

2 open positions

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AI/Machine Learning Engineer [Contractor]

15 hours, 26 minutes ago

Brazil

Contract

Senior

AI (Artificial Intelligence)

Software Development

LLM Python

Apply Now

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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