Staff AI Engineer

Summary

Join Quorum, a company building AI-powered public affairs software, as a Staff AI Engineer. You will be a key technical leader, architecting and scaling GenAI systems for Quorum Copilot. This hands-on role requires strong technical skills in data platforms, cloud infrastructure, and LLM integration, as well as the ability to mentor engineers and collaborate with product leaders. You will lead the design and development of GenAI pipelines, architect scalable RAG systems, and partner with other teams to shape the roadmap. The role also involves serving as a technical mentor, making high-impact architectural decisions, and staying current with emerging frameworks. This is a remote-first position with flexible work options.

Requirements

• 8+ years of engineering experience, including at least 1+ years shipping AI/LLM-based products in production
• Proven ability to lead complex technical initiatives and influence product direction
• Deep proficiency with Python, cloud platforms (especially AWS), and modern data engineering patterns
• Experience with vector databases and semantic search systems (OpenSearch, Qdrant, etc)
• Strong understanding of embedding models, LLM-based systems, and RAG architectures
• Familiarity with tools like LangChain, LlamaIndex, or Bedrock
• Experience defining and iterating on LLM evaluation metrics, evaluation sets, production feedback loops, optimizing for precision, recall, and real-world accuracy
• Excellent collaboration skills—you can work closely with product managers, UX designers, and cross-functional engineers
• Strong written and verbal communication; able to influence through documentation and discussion
• Experience in an AI-First engineering environment with tools like Github Copilot, Augment, or Cursor

Responsibilities

• Lead the design and development of GenAI pipelines and services that support semantic search, personalization, and summarization for legislative data
• Architect scalable and modular Retrieval-Augmented Generation (RAG) systems, agentic systems, integrating vector search, embeddings, and cloud-native APIs
• Partner closely with Product, Design, and other Engineering teams to shape the roadmap and ensure reliable, performant, and user-aligned AI experiences
• Serve as a technical mentor across the AI engineering team—conducting reviews, guiding system design, and supporting team growth
• Make high-impact architectural decisions that balance performance, cost, scalability, and maintainability
• Stay current with emerging frameworks and tools, and champion pragmatic adoption where appropriate
• Influence best practices around AI-first development and clean service-oriented architecture
• Debug and optimize AI-powered features to improve accuracy, latency, and user experience

Preferred Qualifications

• Experience with Django or similar Python web frameworks
• Frontend experience (TypeScript/React) with AI-first interfaces
• Domain familiarity in civic tech, legal tech, or policy-driven environments

Benefits

• Flexible Paid Time Off
• Standard Brazil holidays plus additional company-wide days off for team members to rest and recharge
• Free Subscription to the Calm App
• Free Subscription to LinkedIn Learning to support professional development
• Invest in Yourself Days - one designated day per quarter is dedicated to your professional development!
• Monthly Work from Home Stipend
• Mental and Dental Care by SulAmérica
• Virtual and in-person team events
• Mental Health stipend
• Alelo Food Voucher
• In company English classes
• Inclusion & Diversity Affinity Groups to support belonging
• 12 weeks of paid parental leave