QA Testing & Automation, Mid-Level/Senior

Capco

. Plan, design, and execute end-to-end integration and performance tests for an Automation Modernization program .

Posted 10/9/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in System Integration Testing (SIT), End-to-End Testing, and Performance Testing, with a strong focus on validating REST APIs, microservices, and database integrity. Proficient in using testing tools and analyzing application performance metrics to ensure high-quality software delivery.

Highest-signal resume keywords

System Integration Testing (SIT)End-to-End TestingPerformance TestingAPI TestingSQL

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

System Integration Testing (SIT)End-to-End TestingPerformance TestingAPI TestingSQLLoad TestingREST APIsMicroservicesData ValidationPerformance Analysis

Tools & Technologies

PostmanSoapUIREST AssuredJMeterLoadRunnerGatlingOracle

Industry Keywords

Integration TestingPerformance MetricsData IntegrityDistributed Application ArchitecturesError Handling

Tech Stack

Tools & technologies

JMeterOracleSQL

About the role

Key responsibilities & impact

Plan, design, and execute end-to-end integration and performance tests for an Automation Modernization program
Develop testing strategies, plans, scenarios, and test cases for integration and performance testing
Test integrations between applications, APIs, microservices, databases, messaging platforms, and external systems
Validate REST APIs, payloads, business rules, data transformations, error handling, and interfaces between systems
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 data flows
Design and execute performance, load, stress, endurance, scalability, and volume tests
Develop performance scripts simulating transactions, loads, volumes, and concurrent users
Monitor and analyze response times, throughput, concurrency, resource utilization, error rates, and other metrics
Identify bottlenecks and collaborate with development and architecture teams to resolve issues
Create test data and coordinate environment and data dependencies across integrated systems
Log, track, analyze, and retest defects through resolution
Produce execution reports, defect metrics, performance reports, and completion summaries
Collaborate with the Test Lead, Solution Architects, developers, business analysts, Product Owners, and external vendors

Requirements

What you’ll need

Advanced/fluent English is mandatory and will be assessed during the interview
More than 6 years of experience in software testing and Quality Engineering
Strong experience in System Integration Testing (SIT) and end-to-end testing of enterprise applications
Strong experience testing REST APIs, microservices, and system integrations
Hands-on experience with API testing tools such as Postman, SoapUI, REST Assured, or equivalent tools
Strong experience with performance testing tools such as JMeter, LoadRunner, Gatling, or equivalent tools
Experience analyzing application performance, response times, throughput, concurrency, and system resource utilization
Strong SQL knowledge and experience validating data in Oracle databases
Good understanding of APIs, microservices, messaging, databases, and distributed application architectures
Mandatory skills: System Integration Testing (SIT), End-to-End Testing, Performance Testing, Load Testing, API Testing, Postman, JMeter/LoadRunner, SQL, Oracle, and JSON

Benefits

Comp & perks

Inclusive culture and commitment to diversity in all its forms
Internal inclusion and social responsibility committees, including groups for Women, People with Disabilities, Black People, LGBTQIAPN+ individuals, Parenting, and Generations
Career advancement opportunities