Senior/Lead AI Engineer

About the Position

We are seeking a Senior/Lead AI Engineer to design, build, and scale end-to-end AI applications for our team.

Responsibilities

• Design and deploy AI/LLM applications at scale (RAG, agentic systems, Q&A platforms)
• Architect solutions using agentic frameworks, integrating with vector databases and advanced memory architectures
• Build APIs, data pipelines, and enterprise integrations (CRM, ERP, cloud platforms)
• Evaluate and refine AI performance using LLM-based evaluation, agent metrics, and A/B testing
• Ensure performance, security, observability, and cost-efficiency across deployed solutions
• Conduct research, rapid prototyping, and experimentation to validate feasibility and business value
• Stay current with emerging AI protocols (MCP, A2A, ACP) and evolving LLM technologies

Requirements

• 5+ years in AI/ML engineering with production-grade delivery experience
• Strong proficiency in at least one modern programming language and web frameworks (Python, Java, Scala)
• Hands-on experience with major LLM platforms, agentic frameworks, and advanced integration patterns (RAG, agent orchestration, tool calling)
• Experience with vector databases, semantic/hybrid search, and retrieval/ranking systems
• Knowledge of MLOps/AIOps practices, monitoring, and security (including prompt injection prevention)
• Strong communication skills - able to translate complex AI concepts for both technical and non-technical audiences
• Ability to work independently, lead technical initiatives, and collaborate with cross-functional teams

What We Offer

• Learning Culture: Unlimited access to learning platforms, a wide range of internal courses, and all the knowledge you need to grow professionally
• Health Coverage: Health and wellness are important, that is why we have you and up to four family members in a premiere health plan
• Visual Benefit: Up to $200,000 COP for any visual health expenses
• Life Insurance Plan: Full-coverage life insurance plan in partnership with MetLife
• Medical Leave Coverage: 100% coverage of your medical leave, for up to 90 days
• Professional Growth Opportunities: Competitive development process with tools to achieve personal and professional goals
• Stock Option Purchase Plan: Opportunity to purchase stock at a reduced price and become a part owner of our organization
• Additional Income: Chance to earn extra income by referring talent, being a technical interviewer, and more
• Community Benefit: Part of a worldwide community of over 50,000 employees

Connectivity Bonus: 25,000 ARS paid monthly as a non-wages concept.

Medicina Prepaga: Covers the collaborator and direct family group.

Paternity Leave: Two additional days added to what is established by law, totaling 4 days.

Discounts Card: Available for various services.

English Training: English lessons twice per week.

Training Program: Access to multiple customized training plans.

Marriage Bonus: The company doubles the allowance established by law.

Referral Program: Referral bonus paid when a referred collaborator joins the company.

External Agreements and Discounts: Various agreements and discounts available.

Vacations: 14 calendar days a year.

Career Plan and Real Growth Opportunities: Unlimited access to LinkedIn learning solutions, constant training, mentoring, online corporate courses, eLearning, and more.

English Classes: With a certified teacher.

Support for Employee’s Initiatives: Algorithms club, toastmasters, agile club, and more.

Enjoyable Working Environment: Gaming room, napping area, amenities, events, sport teams, and more.

Flexible Work Schedule and Dress Code: Collaborate in a multicultural environment and share best practices from around the globe.

Hired Directly by EPAM & 100% Under Payroll: Law benefits (IMSS, INFONAVIT, 25% vacation bonus), major medical expenses insurance, 13% employee savings fund, capped to the law limit, grocery coupons, 30 days December bonus, Employee Stock Purchase Plan, 12 vacation days, official Mexican holidays plus 5 extra holidays, monthly non-taxable amount for electricity and internet bills.