Senior Java Staff Engineer - Payments Platform & Fraud

Dlocal LLP; Tandil; Presencial; ARS 1.800.000 - 3.000.000; Jornada completa

Descripción de la vacante

dLocal is seeking a Staff Engineer in Argentina to design and evolve systems powering payment routing, fraud prevention, and anomaly detection. You will build scalable Java-based applications, lead architecture decisions, and partner with cross-functional teams to deliver high-performance solutions in a fast-growing fintech environment.

The role emphasizes scaling, performance, and cost control, with a strong strategic mindset to influence the platform's evolution across multiple regions and

Formación

• 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 clean, efficient, and readable code.
• Experience with cloud platforms such as AWS or GCP (desired).
• Experience with Java development frameworks like Spring and Hibernate.
• Ability to solve complex software system issues.
• Good verbal and written communication skills.
• Being a team player, enjoying working with your own team and collaborating with other teams in the organization.
• Upper-intermediate written and spoken English proficiency.
• Well-versed in the software development life cycle.
• Experience with monitoring applications in production using telemetry tooling such as Newrelic, Datadog, Grafana + Prometheus, Dynatrace, CloudWatch, distributed logs like ELK, etc.

Responsabilidades

• 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.

Conocimientos

Java development

OO design

Design patterns

Clean code

Team player

English proficiency

SDLC

Educación

Bachelor's degree in software engineering or computer science

Herramientas

New Relic

Datadog

Grafana

Prometheus

Dynatrace

CloudWatch

ELK

Descripción del empleo

dLocal is seeking a Staff Engineer in Argentina to design and evolve systems powering payment routing, fraud prevention, and anomaly detection. You will build scalable Java-based applications, lead architecture decisions, and partner with cross-functional teams to deliver high-performance solutions in a fast-growing fintech environment.

The role emphasizes scaling, performance, and cost control, with a strong strategic mindset to influence the platform's evolution across multiple regions and