GigaBrands

Full Stack Automation Engineer

GigaBrands
Apply
3 months ago
Remote, Brazil or Rio de Janeiro, BrazilMid Level

Responsibilities

  • Build and improve AI pipelines for client performance insights.
  • Improve RAG retrieval quality through re-ranking, chunking, and hybrid search.
  • Implement tool use and function calling for real-time data in LLM pipelines.
  • Debug classification errors and improve model accuracy.
  • Optimize LLM costs, latency, and performance.
  • Build dashboards for AI metrics and usage monitoring.
  • Add observability and tracing to AI pipelines.
  • Expand content quality systems to new formats and use cases.
  • Maintain vector databases, embeddings, async ingestion workers, and semantic search APIs.
  • Build and maintain automated workflows for sales intelligence, lead qualification, trend analysis, Slack operations, scheduling, and email triage.

Requirements

  • Production LLM experience with Claude or OpenAI in live systems.
  • Experience building RAG systems, including embeddings, retrieval, chunking, and context handling.
  • At least 3 years of TypeScript and Node.js experience.
  • Strong React skills, including component architecture, state management, and performance.
  • PostgreSQL experience with queries, migrations, indexing, and query optimization.
  • Experience integrating APIs using REST, OAuth, and webhooks.
  • Linux server experience with SSH, log analysis, debugging, and deployments.
  • Preferred experience with multi-agent LLM systems, Anthropic Claude, vector search, pgvector, Pinecone, Slack API and bot development, advertising APIs, LLM observability, Amazon or eCommerce, and AI-assisted development tools.

Benefits

  • Competitive salary based on experience.
  • Full-time remote work.
  • High-impact role with ownership over production systems.
  • Work directly on an AI-native business platform in the Amazon space.
  • PTO after successfully completing the probationary period.
GigaBrands

About GigaBrands

11-50 employees

GigaBrands provides AI- and neuromarketing-driven services to help brands grow sales on Amazon. The agency delivers marketplace strategy, advertising and listing optimization, content and creative, and analytics for e-commerce sellers, typically as managed services or consulting. Founded in 2022 and privately held, it focuses on Amazon marketing automation and measurement for consumer brands operating on the marketplace.

Contact me