We are looking for a Senior SRE with a focus on Observability and Performance to work in a critical mission and high-volume environment in the financial segment, directly contributing to observability, monitoring, and application performance initiatives for the card platform.

🎯 Main Activities

• Work on the evolution of observability and monitoring of critical applications;

• Implement and enhance application instrumentation;

• Perform performance analysis and troubleshooting in production;

• Identify bottlenecks and propose architecture and infrastructure improvements;

• Support development teams in optimizing applications and services;

• Participate in resolving critical incidents and root cause analysis;

• Contribute to the continuous evolution of observability practices and performance engineering.

✅ What we are looking for

🔹 Observability and APM

• Practical experience with observability and application instrumentation;

• Creation and analysis of custom metrics;

• Structuring and analysis of logs;

• Distributed tracing using OpenTelemetry or similar tools;

• Experience with APM platforms such as Dynatrace, AppDynamics, New Relic, or equivalents;

• Work in instrumentation, monitoring adjustments, and troubleshooting with APM tools.

🔹 Cloud-Native Architecture

• Experience with microservices-based architectures;

• Development and maintenance of REST APIs;

• Knowledge in messaging and event streaming (Kafka, Pub/Sub, or similar);

• Experience with asynchronous workloads and batch processing.

🔹 Performance Engineering

• Diagnosis and mitigation of performance issues in production;

• Identification of bottlenecks;

• Analysis of CPU, memory, I/O, and infrastructure resource consumption;

• Knowledge of latency, throughput, and behavior under load concepts;

• Evaluation of impacts caused by external dependencies.

🔹 Tuning and Optimization

• SQL query optimization;

• Connection management and tuning;

• Improvement of computational resource utilization;

• Implementation of best practices focused on scalability and operational efficiency.

🔹 Cloud and Automation

• Experience with AWS, Azure, or GCP;

• Knowledge in autoscaling and troubleshooting in cloud environments;

• Experience with observability stacks;

• Experience with CI/CD pipelines;

• Automation of processes related to observability, performance testing, and continuous validations.

⭐ Differentiator

• Experience in high operational criticality environments;

• Experience in financial institutions, payment methods, or card platforms;

• Work in environments with high transactional volume.

🌎 Work Model: Remote

If you have experience in high-availability environments, observability, and critical application performance, we want to know your profile!