Staff Engineer – Payments Performance We are looking for a highly skilled Staff Engineer to join our Payments Performance team. This team focuses on optimizing payment performance across multiple dimensions: improving conversion rates, maximizing take rate, and keeping fraud and operational costs under control while ensuring compliance.
Responsibilities Collaborate with technology leaders and the product team to understand department goals and requirements, translating them into technical solutions
Design, develop, and maintain high-quality Java applications and systems aligned with business objectives
Lead the technical architecture and design of Java-based projects, ensuring scalability, performance, and maintainability
Create scalable architecture systems for Java-based applications, considering future growth and evolving business needs
Optimize application performance by identifying and addressing areas for improvement, such as code optimization, database query optimization, and resource utilization




Troubleshoot design flaws and system bottlenecks to enhance application stability and performance
Perform validation tests to ensure the flexibility and scalability of the Java environment, making necessary adjustments as needed
Conduct comprehensive system performance tests to identify bottlenecks, assess system capacity, and fine-tune application performance
Generate and present detailed systems reports, including performance metrics, bottlenecks, and recommendations for improvements
Conduct code reviews and provide constructive feedback to maintain high standards of software development, ensuring code quality, readability, and adherence to best practices
Qualifications Bachelor's degree in software engineering or computer science
Minimum of 7 years of professional experience in Java development
Solid experience in Java application development and software architecture
In-depth knowledge of object-oriented design principles and design patterns
Ability to write clea

📌 Staff Engineer (Barcelona)
🏢 dLocal
📍 Barcelona