Senior/Lead AI Engineer

EPAM Systems; Mexico; On-site; PHP 4,426,000 - 6,640,000; Full time

Benefits offered by this job

LinkedIn Learning

English classes

Employee Stock Purchase Plan

Grocery coupons

December bonus

12 vacation days

Job summary

EPAM Systems is seeking a Senior/Lead AI Engineer to design, build, and scale end-to-end AI applications such as chatbots, agent workflows, and LLM-driven solutions. You will work directly with clients, drive technical decisions, and deliver production-grade AI systems that create real business impact.

You will design and deploy AI/LLM applications at scale, architect solutions with agentic frameworks and vector databases, and build APIs, data pipelines, and enterprise integrations across CRM,

Qualifications

• 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 and agentic frameworks (RAG, agent orchestration).
• Experience with vector databases and retrieval/ranking systems.
• Knowledge of MLOps/AIOps practices, monitoring, and security.

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 memory architectures.
• Build APIs, data pipelines, and enterprise integrations (CRM, ERP, cloud platforms).
• Evaluate AI performance using LLM-based evaluation, agent metrics, and A/B testing.
• Ensure performance, security, observability, and cost-efficiency of deployed solutions.
• Conduct rapid prototyping and experiments to validate feasibility and business value.
• Stay current with emerging AI protocols and evolving LLM technologies.

Skills

AI/ML engineering

Programming: Python/Java/Scala

LLM platforms

Vector databases

MLOps/AIOps

Communication

Independent leadership

Tools

FastAPI

Streamlit

Gradio

Flask

Spring Boot

ASP.NET

LangChain

LangGraph

Weaviate

Job description

We are looking for a Senior/Lead AI Engineer to design, build, and scale end-to-end AI applications — including chatbots, agent workflows, and LLM-driven solutions. You will work directly with clients, drive technical decisions, and deliver production-grade AI systems that create real business impact.

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

Technologies

• Languages: Python, Java, C#, Go
• Web Frameworks: FastAPI, Streamlit, Gradio, Flask, Spring Boot, ASP.NET
• LLM Platforms: OpenAI, Anthropic, Amazon Bedrock, Gemini
• Agentic Frameworks: LangChain, LangGraph, Semantic Kernel, LlamaIndex, Strands Agents
• Vector Databases: Qdrant, FAISS, Chroma, Pinecone, Weaviate
• Cloud AI Platforms: Azure OpenAI, Amazon Bedrock, GCP Vertex AI
• Enterprise AI: AWS AgentCore, Databricks AgentBricks, Google Agents Space, Azure AI Foundry
• On‑Premise: vLLM
• Protocols: MCP, A2A, ACP
• MLOps/AIOps, observability, and security/guardrail tools for AI applications

We offer

• 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: Life, Major medical expenses with dental & visual coverage (for the employee and direct family members)
• 13 % employee savings fund, capped to the law limit
• Grocery coupons
• 30 days December bonus
• Employee Stock Purchase Plan
• 12 vacations days
• Official Mexican holidays, plus 5 extra holidays (Maundry Thursday and Friday, November 2nd, December 24th & 31st)
• Monthly non-taxable amount for the electricity and internet bills

EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.

By applying to our role, you are agreeing that your personal data may be used as in set out in EPAM´s Privacy Notice and Policy.

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting‑edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.