We are looking for an experienced Lead Data Engineer with expertise in computer vision and machine learning to spearhead the development of an AI\-powered platform for photo evaluation and personalized recommendations. In this role, you will create systems capable of analyzing and ranking photos based on their suitability for personalized physical products. This position is an exciting opportunity to bring together semantic image understanding, aesthetic scoring, and behavioral personalization into a unified recommendation framework. *We accept* *CVs in English only.* **Responsibilities** * Develop systems leveraging CNN\-based models and transformer\-based vision architectures to analyze, score, and tag photos with metadata * Build models for facial recognition, grouping, and expression analysis * Generate contextual categories for photos, such as portraits, vacations, and events * Evaluate images for aesthetic appeal and print suitability * Create object and scene detection models to extract valuable metadata from photos * Design and prototype custom transformer architectures tailored to product creation needs * Construct scalable pipelines to process large volumes of image data and produce structured, queryable metadata * Integrate image intelligence outputs into downstream applications such as search, ranking, and personalization * Develop and deploy transformer\-based machine learning models to analyze user behavior and purchase patterns for personalized product recommendations * Lead experimentation frameworks such as A/B testing to optimize relevance and improve user conversion rates * Build, manage, and maintain the entire machine learning model stack, ensuring seamless deployment and comprehensive system documentation * Collaborate with cross\-functional teams to operationalize model development and ensure successful integration into production environments * Communicate effectively with stakeholders and team members while maintaining a self\-driven approach to problem\-solving **Requirements** * Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field, or equivalent professional experience * A minimum of 5 years of experience in software engineering or AI/ML\-focused roles * At least one year of experience leading and managing development teams * Expertise in computer vision techniques, including CNNs, vision transformers, facial recognition, object detection, image classification, and embedding generation * Strong experience with recommendation systems, collaborative filtering, and deep learning for personalization tasks * Advanced knowledge of transformer\-based models for recommendation systems * Proficiency in Python for designing and deploying AI/ML solutions * Practical experience deploying machine learning models at scale using tools such as Docker, AWS, or GCP * Proven ability to lead cross\-functional technical initiatives from concept to delivery * In\-depth understanding of the machine learning lifecycle, including data management, model evaluation, explainability, and observability * Proficient English communication skills, both written and spoken, at a B2\+ level **Nice to have** * Familiarity with machine learning libraries such as PyTorch or TensorFlow * Hands\-on experience with diffusion models, graph neural networks (GNNs), or reinforcement learning **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.