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Senior AI Engineer: LLM, RAG, and MLOps Specialist/ 5 hours ago

EPAM Systems
Attractive
Application ends: 2026-03-07

Quick Summary

A remote Senior AI Engineer role based in Brazil focused on designing and delivering scalable AI solutions using state-of-the-art technologies like LLMs, RAG pipelines, and multimodal learning. The position requires a minimum of 3 years of relevant experience, hands-on production deployment of AI/ML systems, strong SQL skills, and expertise in the LLM ecosystem (OpenAI, LangChain, Hugging Face). Candidates must have a solid understanding of cloud infrastructure (AWS, GCP, or Azure), modern MLOps workflows, vector databases, and possess good English communication skills (B2+ level) for client interaction.

We are seeking a highly skilled and motivated Senior AI Engineer to design, develop, and deliver innovative AI solutions across a broad set of business use-cases.

In this role, you will focus on solving targeted product use cases by applying state-of-the-art AI solutions, including LLMs, RAG, multimodal learning, and more. Your work will directly contribute to the development and growth of a robust AI platform that enables solutions for diverse business problems. You are expected to design and implement complex components with a high degree of autonomy, collaborating with Engineering leads for guidance.

Responsibilities

  • Design, develop and own delivery of scalable AI systems and components aimed at solving multiple product use cases and business applications.
  • Build, test, and integrate AI solutions, such as LLMs (open and closed source), RAG pipelines, MCP servers, agents, or prompt orchestration layers.
  • Collaborate with product team members and other stakeholders to define technical requirements and implementation plans.
  • Partner with multiple Engineering teams to help integrate solutions end-to-end and ensure quality and effectiveness of deployed systems.
  • Implement quick turnaround AI solutions to meet urgent product and operational needs.
  • Contribute to the development and evolution of our AI platform.
  • Optimize AI solutions for performance, cost, and maintainability at scale.
  • Stay current with emerging trends in AI and ML.
  • Evaluate new tools, models, and technologies for potential adoption.

Requirements

  • Minimum of 3 years of relevant experience in AI or machine learning engineering roles.
  • Hands-on experience building and deploying AI/ML systems, ideally in production environments.
  • Strong experience with SQL for data querying and management, as well as in-memory data storage technologies for high-performance applications.
  • Experience working with LLM ecosystems and modern GenAI technologies such as OpenAI, Anthropic, Hugging Face, and LangChain.
  • Solid understanding of cloud infrastructure (AWS, GCP, or Azure) and modern MLOps workflows for scalable AI deployment.
  • Experience working with vector databases and inference engines to support efficient AI model operations.
  • Familiarity with frontend frameworks such as Angular or React is helpful for collaborating with UI teams, though not required.
  • Excellent problem-solving skills and the ability to communicate complex technical concepts clearly.
  • Proven ability to work effectively in cross-functional teams.
  • Good English communication skills (B2+ level or higher) and experience in client-facing communications, including direct interaction with stakeholders.

Nice to have

  • Coding experience in one or more server-side languages such as GoLang or PHP for backend development and integration.
  • Proficiency in JavaScript for scripting and automation tasks.
  • Experience with TypeScript for building robust and maintainable web applications.

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EPAM Systems

EPAM Systems

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