Senior/Lead AI Engineer

Overview

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, •••••••
• 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

Colombia

• Learning Culture - We want you to be the best version of yourself, that is why we offer 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. We have a couple of options, so you can choose what is best for you and your family
• Visual Benefit - Seeing your work for us would be a sight for sore eyes. We want your vision to always be at 100% which is why we offer up to $200.000 COP for any visual health expenses
• Life Insurance Plan - We have partnered with MetLife to offer a full-coverage Ife insurance plan. So, your family is covered, even if you are gone.
• Medical Leave Coverage - We are one of the few companies that cover 100% of your medical leave, for up to 90 days. Your health is the most important thing to us
• Professional Growth Opportunities - We have designed a highly competitive and complete development process, where you will have all the tools to get where you have always wanted to be, personally and professionally
• Stock Option Purchase Plan - As an EPAMer you can be more than just an employee, you will also have the opportunity to purchase stock at a reduced price and become a part owner of our organization
• Additional Income - Besides your regular salary, you will also have the chance to earn extra income by referring talent, being a technical interviewer, and many more ways
• Community Benefit - You will be part of a worldwide community of over 50,000 employees, where you can learn, challenge yourself, stand out, and share your knowledge and experience with multicultural teams!

Argentina

• Connectivity Bonus (25,000 ARS are paid with a salary receipt at the end of each month as a non-wages concept).

• Medicina Prepaga (It covers the collaborator and direct family group).

• Paternity Leave (Two additional days are added to what is established by law, total of 4 days).

• Discounts card.

• English Training (English lessons, twice per week).

• Training Program (Access to multiple customized training plans according to the needs of each role within the company).

• Marriage bonus (The company doubles the allowance established by law that ANSES offers).

• Referral Program (Referral bonus is paid when the referral of a collaborator joins the Company).

• External Agreements and Discounts.

• Vacations: 14 calendar days a year

Mexico (Remote)

• 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 •••• & 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

[epamgdo] Colombia (CVs in English)

We accept CVs in English only.

[epamgdo] Argentina (About ••••)

•••• 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.

[epamgdo] Colombia (may be offered other projects)

Please note that even though you are applying for this position, you may be offered other projects to join within ••••.

[epamgdo] Mexico (About ••••)

•••• 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.

[epamcom] Colombia (About ••••)

•••• 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.

[epamgdo] Mexico (Personal Data)

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

Colombia ( Equal Opportunity)

•••• 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.

[epamgdo] Argentina (Personal Data)

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