Senior QA Engineer (QA Engineer III)

Komatsu America Corp.; Manaus, Belo Horizonte; Híbrido; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A leading global engineering company is seeking a Senior QA Engineer in Recife, Brazil to lead quality assurance processes for complex software. The ideal candidate will have a strong software QA background, with experience in automation testing and mentoring. Responsibilities include managing test strategies, developing automated test suites, and collaborating with cross-functional teams to ensure high-quality releases. Candidates should have a bachelor’s degree in Computer Science and at least 3 years of relevant experience in QA.

Qualificações

• Minimum 3 years of experience in software QA.
• 1–2 years in a senior or lead role required.
• Willingness to travel up to 10% as required.

Responsabilidades

• Lead planning and execution of tests across the software lifecycle.
• Create detailed test plans and cases.
• Document and triage defects using Azure DevOps.
• Mentor junior QA engineers.

Conhecimentos

Agile/Scrum methodologies

Automation testing

Mentoring QA engineers

Strong analytical and problem-solving skills

Advanced English (written and verbal)

Formação académica

Bachelor’s degree in Computer Science or related field

Master’s degree preferred

Ferramentas

Selenium

Postman

JMeter

Azure DevOps

WinAppDriver

Descrição da oferta de emprego

Requisition ID: 33740

Onsite or Remote: Hybrid Position

The Company

Komatsu is an indispensable partner in construction, mining, and industrial machinery maximizing value for customers through innovative solutions and smart technologies.
Modular Mining, a subsidiary of Komatsu, leads globally in mine management technology, delivering cutting-edge digital solutions to transform operations across the mining industry.

We are a global community of engineers, technologists, and QA professionals committed to revolutionizing mining with innovative, high-impact software solutions.

Job Purpose

We are seeking a Senior QA Engineer with a strong software QA background (not hardware) to lead, build, and scale quality assurance processes for complex enterprise software. This role involves driving test strategy, mentoring team members, and championing automation and DevOps integration in a fast-paced Agile environment.

Ideal candidates will take ownership of product quality, collaborate closely with development and infrastructure teams, and play a key role in ensuring successful software releases.

Key Responsibilities

• Lead the planning and execution of manual and automated functional, regression, exploratory, and system-level tests across the software lifecycle.
• Understand the requirements & acceptance criteria, clarify any concerns with developer or product owner to eliminate any misunderstanding or conflict.
• Create detailed, comprehensive, and well-structured test plans and test cases
• Setup the appropriate Test Environment(s), which includes combinations of VMs, Mobile devices (PTX), containers, and/or Clusters
• Develop, maintain, and optimize automated desktop test suites using tools like WinAppDriver
• Develop, maintain, and optimize automated UI and API test suites using tools like Selenium, Postman, JMeter, and gRPC.
• Integrate automated test execution into CI/CD pipelines and actively monitor stability and performance.
• Design and execute complex manual test scenarios where automation is not feasible, including ad hoc, usability, and integration testing.
• Collaborate with cross-functional teams to ensure test environments are stable, scalable, and production-representative.
• Document, manage, and triage defects using Azure DevOps, ensuring clarity and timely resolution.
• Act as a quality owner for key product features, ensuring traceability from requirements to release.
• Build and maintain a scalable, reusable automation test library and produce meaningful test coverage reports.
• Mentor junior QA engineers in both manual and automated test design, process, and tooling.
• Identify opportunities for process improvement and propose tools or scripts to enhance QA efficiency and accuracy.

Required Skills

• Bachelor’s degree in Computer Science, Software Engineering, or a related field (Master’s preferred).
• Minimum 3 years of experience in software QA, including 1–2 years in a senior or lead role.
• Hands‑on experience with:
• Strong understanding of Agile/Scrum methodologies and CI/CD practices.
• Advanced English (written and verbal) for global team collaboration.
• Strong analytical and problem‑solving skills.
• Demonstrated experience mentoring QA engineers and improving QA processes.
• Willingness to travel up to 10% as required.

Preferred Qualifications

• Experience testing microservices, distributed systems, or cloud‑native applications.
• Familiarity with BDD/TDD practices.
• Proficiency with TestNG, JUnit, or Cucumber.
• Background in performance, load, security, or contract testing.
• Familiarity with version control tools (e.g., Git) and infrastructure‑as‑code practices.
• Previous experience within the mining industry.