Data Engineer - Fraud Prevention IT

Description

Job Summary: As a Semi-Senior Data Engineering Analyst, you will design and scale innovative and secure systems to mitigate fraud risks in a dynamic environment. Key Highlights: 1. Design and scale innovative systems for fraud prevention. 2. Work with cutting-edge technology and proprietary AI models. 3. Collaborate with product teams on launching new workflows. As a **Semi-Senior Data Engineering Analyst \- Fraud Prevention** at Mercado Libre, you will design and scale innovative and secure systems that solve real-world, high-impact problems. You will work in a dynamic environment using cutting-edge technology, applying sound engineering practices, proprietary AI models, and continuous learning — all aimed at democratizing e-commerce and financial services across Latin America. Imagine tackling challenging, dynamic, and innovative projects while being **responsible for:** * Proactively monitoring approval and rejection metrics for the vertical’s fraud prevention products. * Developing and implementing features for rules and machine learning models aimed at mitigating risks. * Building and operating robust APIs within a microservices architecture to support data processing. * Designing software engineering solutions by optimally leveraging in\-house developed technological components. * Managing large-scale data processing in highly available and high-performance production pipelines. * Acting as a technical enabler to collaborate with product teams on the rollout and launch of new workflows. **What are we looking for?** * Solid experience as a data engineer or backend developer in semi-senior roles. * Proficiency in programming languages such as Python or Go for building and maintaining microservices. * Experience designing REST APIs and working with databases using SQL. * Technical knowledge of sound engineering practices, including automated testing, code reviews, continuous integration, and observability. * Demonstrated regular use of AI-powered coding assistants and other AI tools to optimize development workflows. **Ready to leave your mark on Latin American technology?** Apply now and join our mission! Hybrid work mode. Site: Buenos Aires, Argentina.