Summary: Seeking a Senior AI Engineer (Backend) to design, implement, and maintain scalable AI-powered backend applications, focusing on integrating OpenAI APIs into production systems. Highlights: 1. Design and implement scalable AI-powered backend applications 2. Focus on seamless integration of OpenAI APIs into production systems 3. Collaborate with multi-national teams on innovative cutting-edge solutions We are seeking a **Senior AI Engineer (Backend)** to join our team. As a GenAI Engineer, you will design, implement, and maintain scalable AI\-powered backend applications, focusing on seamless integration of OpenAI APIs into production systems. You will collaborate with data science, DevOps, and cloud teams to automate deployment, monitoring, and optimization of AI\-driven workflows. 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. **Responsibilities** * Develop and enhance backend services for AI and large language model (LLM) applications * Integrate, scale, and manage LLM\-based solutions within cloud environments * Implement CI/CD pipelines to automate deployment processes * Monitor and fine\-tune AI services for optimal performance * Set up observability and logging to track LLM API performance * Collaborate with DevOps and AI/data science teams to streamline workflows and boost system reliability * Utilize cloud platforms (with a preference for Azure) to host and scale AI applications * Build APIs and microservices to enable AI\-powered features **Requirements** * Minimum 3 years of experience as a backend\-focused AI Engineer * Advanced Python backend development skills, especially with FastAPI * Experience integrating and operating LLM APIs (such as OpenAI) in production environments * Knowledge of prompt engineering and orchestration patterns for LLMs * Ability to address LLM limitations, including latency management, cost control, retries, and fallback strategies * Experience designing backend architectures for scalable, LLM\-powered APIs * Proficiency with SQL and NoSQL databases, as well as technologies like Redis and Kafka * Hands\-on experience with Databricks for data processing and analytics * Familiarity with Model Context Protocol (MCP) for model integration and management * Fluent English skills (written and spoken) at a B2\+ level or higher **Nice to have** * Experience with agentic workflows for advanced AI automation and orchestration * Understanding of Model Context Protocol for enhanced model interoperability **We offer** * 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 *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.*