Felix

Staff AI Engineer

USA · Staff+

Sponsorship not specifiedDetected 26 days ago

PythonVector DatabasesDockerKubernetesCI/CDLLMsRAGAgentic AILLMOpsA/B TestingLeadership

About the role

We are seeking a visionary and highly technical Staff AI Engineer to join our EngOps team within the new Enterprise AI squad.
In this role, you will be the architect behind our "Maestro" (our central AI orchestrator) and its distributed execution systems.
You will act as a foundational technical anchor for EngOps, helping shape the future architecture of this new squad and analyzing what the division needs next as we scale.

Architect, develop, and maintain the core infrastructure for our central AI orchestrator ("Maestro") and its connected execution agents to optimize engineering and enterprise operations.
Lead the integration of AI agents into core product and operational infrastructure.
Own the full lifecycle from containerization (Docker/Kubernetes) to CI/CD deployment, ensuring high availability, security, and post-launch stability.
Design automated "evals-as-code" using LLM-as-a-judge, semantic similarity testing, and adversarial benchmarking to ensure agent safety, reliability, and groundedness.
Maestro & Orchestration Architecture: Architect, develop, and maintain the core infrastructure for our central AI orchestrator ("Maestro") and its connected execution agents to optimize engineering and enterprise operations.
Advanced Evaluation Pipelines: Design automated "evals-as-code" using LLM-as-a-judge, semantic similarity testing, and adversarial benchmarking to ensure agent safety, reliability, and groundedness.
About Us At Félix, we're building the financial ecosystem for Latin immigrants in the U.S., starting with a revolution in remittances.
Joining Félix means you will be part of a team building a legacy, a company that will outlive us all.
We are building the future, today.
This role is central to our next phase of growth, focusing on designing, building, and scaling the core autonomous AI infrastructure that powers both our customer-facing product and internal engineering operations.

Exceptional expertise in Python and deep knowledge of System Architecture.
Technical Mastery: Exceptional expertise in Python and deep knowledge of System Architecture.

Hands-on experience or active experimentation with Open CLAW, Hermes, or advanced open-source AI Agent frameworks.
These are the applicable requisites, although equivalent competencies in any of the above will also be considered.
Want to learn more about our privacy practices?

Proven experience implementing complex agentic systems, including RAG, tool-calling, vector databases, and advanced memory/state management.
Mastery of core LLM APIs and agentic frameworks.

This policy applies to all terms and conditions of employment, including recruitment, hiring, placement, promotion, training, compensation, benefits, and termination.
This isn't just about the numbers; it's a testament to the trust our investors have in our vision and our team.

At Félix, we're building the financial ecosystem for Latin immigrants in the U.S., starting with a revolution in remittances.
Our core product is an AI-powered chatbot built on WhatsApp, allowing our users to send money home as easily as sending a text message.
We leverage cutting-edge technology like AI, blockchain, and stablecoins to make cross-border payments faster, more affordable, and more accessible than ever before.
We are a hyper-growth Series B company, backed by over $100 million in funding from top-tier global investors, including QED, Castle Island, Switch Ventures, HTwenty, Monashees, and General Catalyst Customer Value Fund.
Additionally, Félix was selected as an "Endeavour Entrepreneur" and was a recipient of the CrossTech Fintech Startups Award.
We are a group of extremely talented and dedicated high-performers, united by our shared obsession with a single goal: empowering our customers.
We are all owners of Félix, driven by a bias for action and a true experimentation spirit to get shit done with urgency and focus.
This is a rare opportunity to apply your skills to a deeply meaningful mission-serving a community that has been underserved for too long.
We are a team that is fiercely loyal to each other, where radical transparency and constructive feedback are how we grow and push for excellence.
We are bold, we care less about what others are doing, and more about creating sustainable value and a product that truly makes our users' lives better.

This listing is sourced directly from Felix's careers page and normalized into a canonical job model.