Join our dynamic team as a **Senior GenAI LLM Developer**, where you will lead the development of Retrieval\-Augmented Generation pipelines and optimize AI model performance. Collaborate closely with AI analysts and DevOps to deliver cutting\-edge AI solutions. Apply now to contribute to transformative AI technology for our clients. *We accept* *CVs in English only.* **Responsibilities** * Design and build the core RAG pipeline including document ingestion and vector embedding creation * Develop backend logic to handle user queries and construct context\-rich prompts for LLM * Implement and refine prompt engineering techniques to improve response accuracy and relevance * Collaborate on scalable data preprocessing and cleansing pipelines for LLM consumption * Develop and execute model evaluation scripts and perform tuning to enhance AI performance * Integrate LLM solutions with user interfaces ensuring secure and efficient API communication * Monitor and optimize solution performance focusing on response latency and cost\-efficiency * Troubleshoot complex issues within distributed AI systems * Coordinate with cross\-functional teams to align AI solutions with project goals * Document development processes and maintain code quality standards * Stay updated with latest GenAI technologies and best practices * Support deployment and scaling of AI models in cloud environments **Requirements** * Minimum 3 years of professional experience in GenAI or AI development * Proven experience developing applications using Large Language Models and orchestration frameworks * Strong understanding of Retrieval\-Augmented Generation architecture and vector databases * Expert\-level programming skills in Python and data science libraries * Experience developing and consuming RESTful APIs * Solid knowledge of data engineering principles and cloud data pipelines * Strong analytical and problem\-solving skills * Ability to troubleshoot complex distributed AI systems * Experience with Python data ecosystem, such as Pandas and NumPy * Good communication skills and teamwork orientation * English proficiency at B2 level or higher **Nice to have** * Familiarity with Snowflake platform and cloud data services * Knowledge of Snowflake Cortex AI and Vector Data Types * Experience with Snowpark development environment **We offer** * 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! *Please note that even though you are applying for this position, you may be offered other projects to join within EPAM.* 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.