Why should you join dLocal? dLocal enables the biggest companies in the world to collect payments in 40 countries in emerging markets. Global brands rely on us to increase conversion rates and simplify payment expansion effortlessly. As both a payments processor and a merchant of record where we operate, we make it possible for our merchants to make inroads into the world’s fastest-growing, emerging markets. By joining us you will be a part of an amazing global team that makes it all happen. Being a part of dLocal means working with 1000+ teammates from 30+ different nationalities and developing an international career that impacts millions of people’s daily lives. We are builders, we never run from a challenge, we are customer-centric, and if this sounds like you, we know you will thrive in our team. We are looking for a highly skilled Staff Engineer to join our Payments Performance team. This team is focused on optimizing payment performance across multiple dimensions: improving conversion rates, maximizing take rate, and keeping fraud and operational costs under control while ensuring compliance. As a Staff Engineer, you will play a key role in designing and evolving the systems that power critical areas such as payment routing, fraud prevention, and anomaly detection. This includes building and scaling systems that intelligently decide which processors handle each transaction, developing real-time fraud decisioning tools based on data and machine learning models, and enabling proactive detection of anomalies across business and operational metrics. You will work closely with cross-functional teams to design robust, scalable, and high-performance systems, ensuring they meet both current and future needs. Your expertise in system design and architecture will be essential in driving technical decisions, improving our platform, and helping the team navigate complex challenges. This role requires a strong strategic mindset and the ability to understand the broader impact of technical decisions, as you’ll be contributing directly to the evolution of one of the most critical areas of our platform.