Staff Engineer – Payments PerformanceWe 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.

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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

📌 Staff Engineer (Barcelona)
🏢 dLocal
📍 Barcelona