***At Topaz, technology unites us and evolution connects us!*** Within our organization, we are fully committed to contributing to financial solutions that make the industry safe, accessible, and dynamic. We aim to reach different parts of the world with our extensive ecosystem of technological solutions. Therefore, we invite you to join this team! Moreover, we offer excellent benefits for you! We know that together we will achieve success—so apply now and become part of this outstanding team. **Responsibilities and Duties** **Your Day-to-Day at Topaz:** At **Topaz**, you will be responsible for leading the development and deployment of advanced models that drive large-scale fraud prevention. Your day-to-day will be challenging and full of opportunities to apply your technical and strategic skills. Key activities include: **ML Development and Infrastructure** * Develop and maintain automated ML pipelines (CI/CD) for model training, validation, and deployment * Adapt data transformation pipelines for machine learning model inference * Ensure scalability and availability of ML applications in production environments **Production Deployment and Monitoring** * Collaborate with Data Scientists to build robust and scalable pipelines * Implement continuous monitoring systems for model performance in production * Identify and mitigate performance degradation, data drift, and concept drift * Establish alerts and dashboards for tracking critical metrics **Optimization and Continuous Maintenance** * Implement strategies for automatic model retraining and versioning * Update models with new data while maintaining traceability and governance * Apply explainability techniques (XAI) to ensure transparency and regulatory compliance * Optimize infrastructure costs and processing time **Research and Innovation** * Explore and evaluate emerging technologies, frameworks, and MLOps tools * Contribute to defining best practices, technical standards, and team documentation * Stay current with trends and innovations in Machine Learning Operations **Requirements and Qualifications** **What do you need to know to join Topaz?** **Professional Experience** * Software development experience * Experience working with data in MLOps or Data Science roles **Technical Skills** Python Programming: * Proficiency in Python for developing robust applications * Code versioning with Git * Solid understanding of data structures, algorithms, and design patterns * Data manipulation using NumPy and Pandas * Model development using Scikit-learn and TensorFlow * Unit testing with pytest * Load testing with Locust Cloud and Infrastructure: * Hands-on experience with **AWS** (EC2, S3, Lambda, ECR, ECS/EKS) * Containerization with **Docker** * Orchestration with **Kubernetes** * Infrastructure as Code with **Terraform** DevOps and CI/CD: * Experience with **GitLab CI/CD** for pipeline automation * Knowledge of DevOps practices applied to ML Databases: * Experience with NoSQL databases (MongoDB, DocumentDB, DynamoDB) * ORM modeling for relational databases **Preferred Qualifications** * AWS certifications (Solutions Architect, Machine Learning Specialty) * Experience with MLOps tools (MLflow, Kubeflow, Airflow) * Knowledge of Feature Stores and Model Registries * Experience with model monitoring frameworks * Knowledge of data security and governance * Open-source contributions **Additional Information** **Keep in mind these benefits that will enhance your experience at Topaz!** * **Health and Well-being:** Because we care about our teams, we offer various health plans focused on promoting well-being across the organization. * **Personal and Professional Development:** We are constantly evolving. Thus, we provide environments, programs, and policies that guarantee the space and opportunities necessary for your career path. * **Flexibility and Time Off:** Here, you’ll find the time needed to recharge, plus the ability to enjoy a day off on your birthday. Work mode: hybrid. * **Partnerships:** We offer various partnerships and discounts. At **Topaz**, we go beyond technological creation: **we transform how the world interacts with money.** Our secret? **Topaz One—the first global full-banking platform, designed to accelerate the evolution of financial institutions and propel them into new frontiers.** #### **We are a vibrant community of over 2,000 Topazers**, united by a deep passion for technology, innovation, and building disruptive solutions. Our diversity of cultures and experiences enriches our perspective and drives us to achieve extraordinary results. #### **If you’re looking for a place where your talent makes a real impact, where you can grow professionally and be part of a global community making history,** **join us as a Topazer!** #### **Join our team—and let’s build the future of finance.**