Senior Test Engineer

CSG

Test Engineer Sr developing and executing automated and manual tests for various APIs. Collaborating with teams to establish testing excellence at CSG in Brazil.

Posted 4/30/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

Cypress

About the role

Key responsibilities & impact

You will report to the Manager of Software Development and drive the development and execution of automated and manual tests for a wide range of APIs utilizing multiple technologies and platforms.
In this role you will translate complex test scenarios into effective, intuitive, and repeatable automated tests.
You will lead the design, development, and maintenance of automated tests, enhancing and optimizing existing automation frameworks, and architecting new testing solutions when needed
You will create and execute comprehensive manual test strategies, accurately document test results, diagnose complex issues, and create detailed defects with root cause analysis
You will design and implement test data management strategies, creating robust data generation tools and frameworks to support both manual and automated testing needs
You will lead and perform functional, application, regression, integration, performance, load, and security testing, establishing testing standards and methodologies
You will develop an expert-level understanding of our application architecture, which will allow you to anticipate complex feature requirements, identify architectural gaps, edge cases, and potential system vulnerabilities
You will mentor scrum teams in an agile environment, driving collaboration with developers, testers, product owners and cross-functional teams to establish testing excellence and continuously innovate our testing approaches
You will engage with software release processes, collaborating with multiple teams to ensure smooth deployments, release risks, and establishing production monitoring strategies
You will collaborate with root cause analysis initiatives, systematically analyzing logs and system behavior, resolving complex defects, and implementing preventive measures to reduce future issues
You will establish and champion testing best practices across the organization, driving process improvements, implementing quality metrics, and mentoring team members on testing methodologies

Requirements

What you’ll need

Bachelor’s degree in computer science, technically related field, or equivalent professional experience
5+ years’ work experience in a testing role with experience creating manual and automated tests
Advanced knowledge of continuous integration, automated tools, industry standards, and best practices in test automation
Proven ability to think analytically, solve problems, make decisions, and collaborate with cross-functional teams in a fast-paced environment
Deep experience testing web-based applications and API testing, including performance and load testing
Experience with Bruno, Postman or SoapUI and familiarity with additional testing frameworks and tools
Strong organizational skills and the ability to adapt and handle multiple activities with changing priorities simultaneously
Ability to learn unfamiliar systems and processes quickly, and mentor junior team members
Experience with version control systems (Git) and CI/CD processes
Experience leading test automation initiatives and defining testing strategies for complex systems.
Usage of automation tools like Cypress, Storybook, playwright is a plus.
Experience with test architecture design and framework development
Strong communication skills with the ability to articulate technical concepts to both technical and non-technical stakeholders
Familiarity with AI technologies and their application in software development and testing would be a plus
Ability to support on-call rotation and provide technical leadership during incidents
Proficiency in English in a business environment is a must.

Benefits

Comp & perks

Sulamerica Health
Sulamerica Dental
Vidalink Food/Meal Voucher
Child Care Assistance
Day off: on birthday
Gympass
Language assistance
Digital course platform
Volunteer time off: 2 days a year

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 & Tools

automated testingmanual testingAPI testingperformance testingload testingtest automationtest architecture designtest data managementroot cause analysiscontinuous integration

Soft Skills

analytical thinkingproblem solvingcollaborationorganizational skillsadaptabilitymentoringcommunication skillsdecision makingprocess improvementinnovation