
Full Stack Automation Engineer
GigaBrands3 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.
Tech Stack
Categories
About GigaBrands
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.