QA Testing & Automation Pleno/Senior - COM INGLÊS - Remoto

Brazil - Sao Paulo · Posted Oct 9, 2026

At a glance

A Capco is seeking an experienced QA Testing & Automation professional to plan, design, and execute end-to-end integration tests and performance tests for a large-scale Automation Modernization program in the energy sector.
The role involves validating integrations across multiple business applications, APIs, microservices, databases, messaging platforms, and external systems to ensure optimal functionality, reliability, and scalability.

Develop and execute comprehensive test strategies, plans, test scenarios, and test cases for Integration Testing and Performance Testing.
Perform end-to-end system integration testing between applications, APIs, microservices, databases, messaging platforms, and external systems.
Validate REST APIs, request/response payloads, business rules, data transformations, error handling, and system-to-system interfaces.
Validate synchronous and asynchronous integrations, including APIs, events, queues, and message-based integrations.
Perform database validations using SQL to verify data integrity, reconciliation, transformations, and end-to-end data flows.
Design and execute performance, load, stress, endurance, scalability, and volume tests for APIs and enterprise applications.
Develop performance test scripts that realistically simulate business transactions, workloads, transaction volumes, and concurrent users.
Monitor and analyze response times, throughput, concurrency, resource utilization, error rates, and other performance metrics.
Identify performance bottlenecks in applications, integrations, databases, and infrastructure, and collaborate with development and architecture teams on fixes.
Create test data and coordinate environment dependencies and test data across integrated systems.

Inglês avançado/fluente - mandatório - (será avaliado em entrevista)
Mais de 6 anos de experiência em testes de software e Engenharia de Qualidade.
Sólida experiência em System Integration Testing (SIT) e testes end-to-end de aplicações corporativas.
Sólida experiência em testes de REST APIs, microsserviços e integrações entre sistemas.
Experiência prática com ferramentas de testes de APIs, como Postman, SoapUI, REST Assured ou equivalentes.
Sólida experiência com ferramentas de testes de performance, como JMeter, LoadRunner, Gatling ou equivalentes.
Experiência na análise de performance de aplicações, tempos de resposta, throughput, concorrência e utilização de recursos do sistema.
Sólidos conhecimentos de SQL e experiência na validação de dados de aplicações e integrações em bancos de dados Oracle.
Bom entendimento de APIs, microsserviços, mensageria, bancos de dados e arquiteturas de aplicações distribuídas.

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