Junior Quality Assurance Engineer

Stone & Company

. Perform functional testing and test automation for backend applications and POS devices .

Posted 11/7/2026full-timeRemote • BrazilJuniorWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in functional testing and test automation for backend applications and POS devices, with a strong focus on CI/CD processes, performance testing, and observability. Proficient in using project management and testing tools to enhance system health and quality solutions.

Highest-signal resume keywords

Functional TestingTest AutomationCI/CD PipelinesPerformance Testing ToolsAgile Methodologies

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

Functional TestingTest AutomationAcceptance TestingIntegration TestingContract TestingAPI ValidationDatabase KnowledgeSQL ServerProgramming LogicTesting Techniques

Soft Skills

Strong Organizational SkillsAbility to Propose Improvements

Tools & Technologies

JMeterLocustJiraTrelloXrayDataDogSplunkGit

Industry Keywords

Agile MethodologiesScrumKanbanObservabilityMonitoringSystem Health

Tech Stack

Tools & technologies

JMeterKotlinSplunkSQL

About the role

Key responsibilities & impact

Perform functional testing and test automation for backend applications and POS devices
Execute acceptance, integration, and contract testing
Use performance testing tools such as JMeter and Locust
Work with CI/CD and build, deployment, and testing pipelines
Use mocks to validate APIs
Apply knowledge of databases, version control, and testing techniques
Manage activities using Jira, Trello, and Xray
Monitor systems and analyze logs and metrics, with a focus on observability and system health
Propose improvements to processes and quality solutions

Requirements

What you’ll need

Knowledge of Agile methodologies, including Scrum and Kanban
Experience with functional testing and test automation for backend applications and POS devices
Knowledge of acceptance, integration, and contract testing, such as PactFlow
Familiarity with performance testing tools, including JMeter and Locust
Experience with CI/CD and build, deployment, and testing pipelines
Strong organizational skills and the ability to propose improvements
Experience using mocks for API validation
Knowledge of databases, particularly SQL Server, and version control using Git
Understanding of programming logic and various testing techniques
Experience with project management tools such as Jira and Trello, and test management tools such as Xray
Knowledge of observability, with a focus on monitoring and analyzing logs and metrics to ensure system health, such as DataDog and Splunk
Preferred: Experience with Kotlin and/or Robot Framework

Benefits

Comp & perks

Health and dental insurance
Verde Digital Hospital
Meal and/or food allowance
Remote work allowance and initial equipment setup
Flexible working hours
Internal education platform, including Studa and the StoneCo Library
Wellhub
Childcare assistance
Profit-sharing plan (PLR)
Life insurance
Fixed salary
Variable compensation package* (profit-sharing plan, long-term incentive plan, or commission—provided according to role eligibility and not available as a free-choice option)
Health and dental insurance with copayments (except for employees with disabilities, who are not subject to copayments)
Verde Virtual Hospital: telemedicine team available 24 hours a day, 7 days a week
Prescription medication subsidy
Meal and/or food allowance – Pluxee* (except for Stone Agent – External Account Executive positions with a six-hour workday)
Childcare assistance (for children up to 5 years and 11 months old)
Assistance for employees with children with disabilities
Life insurance
Fuel or commuting allowance*
Home office allowance* (for hybrid or remote contracts only)
Welcome kit for new parents
SESC partnership*
Education benefit – internal self-development platform, including Studa and the Stone Library
Acolhe360° – free emotional support
Quick massage and on-site clinic*
Optional benefits: Wellhub, TotalPass, Pet Club, Flash, Férias&Co, transportation voucher, Allya, and education partnerships