[Remote] Senior/Lead AI Engineer

Note: The job is a remote job and is open to candidates in USA. EPAM Systems is seeking a Senior/Lead AI Engineer to design, build, and scale end-to-end AI applications. The role involves working directly with clients to 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 Skills • 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 Benefits • 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! • 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 • 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 Company Overview • EPAM leverages its core engineering expertise as a leading global product development and digital platform engineering services company. It was founded in 1993, and is headquartered in Newtown, Pennsylvania, USA, with a workforce of 10001+ employees. Its website is https://www.epam.com. Company H1B Sponsorship • EPAM Systems has a track record of offering H1B sponsorships, with 34 in 2026, 120 in 2025, 172 in 2024, 232 in 2023, 373 in 2022, 359 in 2021, 502 in 2020. Please note that this does not guarantee sponsorship for this specific role. Apply To this Job Company : EPAM Systems Salary : Work from home