Staff Engineer - Payments Performance

dLocal; Municipio de Esquel; On-site; ARS 1,800,000 - 3,000,000; Full time

Benefits offered by this job

Flexible schedules

Fintech industry

Referral bonus program

Social budget

dLocal Houses

Job summary

dLocal is seeking a Staff Engineer – Payments Performance to shape the evolution of a critical payments platform. You will collaborate with technology leaders and the product team to translate department goals into scalable Java solutions, and lead the technical architecture.

You will own performance optimization, implement event-driven architecture, conduct load tests, review code, and present detailed reports with recommendations.

Qualifications

• Bachelor’s degree in software engineering or computer science.
• 7+ years of professional Java development experience.
• Strong knowledge of object‑oriented design principles and design patterns.
• Experience with Spring and Hibernate frameworks.
• Experience with cloud platforms such as AWS or GCP preferred.
• Ability to write clean, efficient Java code.
• Strong English communication skills.

Responsibilities

• Collaborate with tech and product teams to translate goals into technical solutions.
• Design, develop, and maintain high-quality Java applications.
• Lead architecture and design of Java projects for scalability.
• Create scalable architectures for Java applications.
• Optimize performance via code and DB query tuning.
• Troubleshoot bottlenecks to improve stability.
• Perform validation tests for flexibility and scalability.
• Conduct performance tests and report findings.
• Conduct code reviews to uphold coding standards.

Skills

Java development

OOP principles

Design patterns

Spring

Hibernate

AWS

GCP

Event-driven

Project management

Problem solving

Communication

Team collaboration

English

SDLC

Education

Bachelor's degree in software engineering or computer science

Tools

New Relic

Datadog

Grafana/Prometheus

Dynatrace

CloudWatch

ELK

Job description

Staff Engineer – Payments Performance

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.

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 clean, efficient, and readable code
• Experience with cloud platforms such as AWS or GCP (desired)
• Experience with Java development frameworks like Spring and Hibernate
• Event‑driven architecture design experience
• High‑level project management skills
• 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 New Relic, Datadog, Grafana + Prometheus, Dynatrace, CloudWatch, distributed logs like ELK, etc.

Benefits

• Flexibility: we have flexible schedules and we are driven by performance
• Fintech industry: work in a dynamic and ever‑evolving environment, with plenty to build and boost your creativity
• Referral bonus program: our internal talents are the best recruiters - refer someone ideal for a role and get rewarded
• Social budget: you'll get a monthly budget to chill out with your team (in person or remotely) and deepen your connections!
• dLocal Houses: want to rent a house to spend one week anywhere in the world coworking with your team? We’ve got your back!

Flexibility in how you work: We focus on impact and productivity over fixed hours. This means our teams have flexible schedules and, depending on your role and location, you will combine self‑managed focus time with moments of in‑person connection in our collaboration hubs.