Applied AI Engineer — Build AI Tools & Mentor Teams

Félix; Buenos Aires; Hybrid; ARS 139,364,000 - 232,274,000; Full time

Benefits offered by this job

Competitive salary

Stock options

Annual performance bonus

Unlimited PTO

Parental leave

Hybrid work setup

Health, dental, and vision plans

Continuous learning opportunities

Growth opportunities in a dynamic, unc

Entrepreneurial environment

Job summary

Félix is building a cross-border financial platform for Latinos with AI-powered, conversational interfaces and real-time financial infrastructure. We seek an Applied AI Engineer to help our AI team maximize impact, build agents and integrations, and empower colleagues to use AI independently.

You will mentor, develop frameworks, and collaborate with security, data, and platform specialists as needed. You will combine hands-on engineering with learning programs, track skill gaps, and advance our

Qualifications

• Hands-on experience building LLM applications, agents or automations for real users, with examples of failures and improvements.
• Strong Python, API authentication, Git, testing and debugging, and experience using at least one LLM SDK.
• Experience with tool calling, multi-step workflows, state handling, and defining evaluations with clear quality, latency, cost and data safeguards.
• Ability to mentor builders and stakeholders through live builds and debugging with follow-through after training.
• Ability to turn ambiguous requests into testable hypotheses and close the loop.

Responsibilities

• Build and improve reference agents, tool integrations and workflows using Python, LLM SDKs and APIs.
• Run regular technical office hours, triage requests and track issues to closure.
• Create starter kits, tested agents, and troubleshooting guides with clear documentation and ownership.
• Lead technical content for hands-on bootcamps and tracks, mentoring colleagues.
• Maintain Maestro and data safeguards, and share practical guidance across teams.

Skills

Applied AI

Python

LLM SDKs

Teaching

Collaboration

SQL

CI/CD

RAG

Vector databases

Tools

OpenAI

Google APIs

Job description

Félix is building a cross-border financial platform for Latinos with AI-powered, conversational interfaces and real-time financial infrastructure. We seek an Applied AI Engineer to help our AI team maximize impact, build agents and integrations, and empower colleagues to use AI independently.

You will mentor, develop frameworks, and collaborate with security, data, and platform specialists as needed. You will combine hands-on engineering with learning programs, track skill gaps, and advance our