We are **MODO,** the fintech of Argentine banks that is revolutionizing the way people pay and save through promotions in Argentina. We are at the heart of the payments ecosystem, developing innovative payment experiences via QR, NFC, and online across all payment methods, while creating the best place to offer and enjoy promotions. Additionally, we created Argentina’s first open banking hub to simplify money management. At MODO, major banks, payment processors, merchants, and many others converge. We lead the transformation within an industry undergoing its greatest change in history, and our products and technologies are at the forefront of global practices. Our mission is "To connect your money and your world to simplify everyday life," and Moders have everything they need to make it happen. We're looking for a **Backend Engineer** with solid experience in **Python** and desirable knowledge in **data pipelines**. The person will join our team to build, maintain, and scale backend services that will serve as the foundation for **Machine Learning** applications. The role involves a strong component of traditional backend development (APIs, services, performance optimization, database integration), but also includes beginning to engage in tasks related to the ML model lifecycle, paving the way to evolve into an **ML Engineer**. **What will be your main responsibilities?** * Design, develop, and maintain backend services and APIs in Python. * Integrate and optimize access to relational and non-relational databases. * Participate in building data ingestion, transformation, and validation pipelines. * Collaborate with data scientists to operationalize machine learning models. * Implement testing, logging, and monitoring practices in developed services. * Ensure code quality, good development practices, and PR reviews. * Participate in defining architectures and data flows aimed at scaling ML solutions. **What do we expect from you?** * Solid experience in backend development with **Python** (FastAPI, Flask, or Django). * Knowledge of **databases** (SQL and NoSQL). * Familiarity with **data pipelines** (e.g., Airflow, Luigi, Prefect, or similar). * Knowledge of **cloud environments** (AWS, GCP, or Azure) and containers (Docker). * Good understanding of **code versioning and CI/CD**. * Experience collaborating with data scientists or in projects involving ML models (desirable). **It will be desirable if you have:** * Experience in large-scale data processing (Spark, Dask, etc.). * Basic knowledge in deploying ML models (serving, feature stores, MLflow, etc.). * Interest in evolving your role toward ML Engineering. **What do we offer?** * 10 business days of vacation \+ 5 MODO days. * Private health insurance for you and your family. * Reimbursement via MODO app for lunches and commuting. * Gympass membership and discounts at Sport Club for physical activity. * Extended leave (for marriage, maternity, paternity, and others). * Training platform and university discounts to improve and expand your knowledge. * Language platform (English or Portuguese). * Internet expense reimbursement. * Birthday off and half-day for children's birthdays. * Team-building activities. * Benefits Club. * Opportunity to grow within a flexible, dynamic, and rapidly expanding environment. If you’re interested in working in an agile and autonomous team within a company from its inception, where each role has enormous impact, we’re waiting for you!