Staff Software Development Engineer in Test

Brasília - Brazil

Monthly Salary: Not Disclosed

Posted on: 16-10-2025

Vacancies: 1 Vacancy

Job Summary

Overview

We are looking for an exceptional and highly experienced Staff Software Development Engineer in Test (SDET) to join our quality engineering team. This is a crucial individual contributor role responsible for designing building and maintaining advanced test automation frameworks driving innovative testing practices and significantly raising the quality bar across the entire development lifecycle. The ideal candidate is a deep technical expert and a proactive mentor.

Key Responsibilities

Technical Design & Framework Ownership

Architect and Develop: Design develop and implement highly scalable reliable and maintainable test automation frameworks from scratch across multiple platforms (e.g. web API backend services).
Technical Authority: Serve as the technical authority on testing methodologies tools and best practices. Evaluate and integrate new automated tools and technologies into the existing test infrastructure.
Code Quality: Drive high standards for test code quality structure and maintainability including code reviews for automation scripts and framework contributions from SDET team.
Non-Functional Testing: Design and execute advanced non-functional tests including performance and load tests and integrate them into the CI/CD pipeline.

Quality Strategy & Process Improvement

Quality Advocate: Partner with development and product teams to integrate testing practices early in the development lifecycle (Shift-Left). Advocate for and implement robust quality gates and coverage metrics.
CI/CD Integration: Own and optimize the integration of automated tests into the Continuous Integration/Continuous Delivery (CI/CD) pipeline to ensure rapid feedback and zero defect leakage to production.
Troubleshooting: Expertly debug and analyze complex system failures identifying root causes in both application code and test infrastructure.

Mentorship & Leadership

Mentorship: Coach and mentor junior and mid-level SDETs and software engineers on technical design testing strategy and effective automation techniques.
Documentation: Create and maintain comprehensive documentation for test strategies automation frameworks and best practices to enable self-service quality for all engineers.
Technical Strategy: Contribute significantly to the long-term quality roadmap and technology choices alongside Engineering Managers and Principal Engineers.

Qualifications :

Required Qualifications

Bachelors or Masters degree in Computer Science or a related technical field.
Minimum of 7 years of professional experience in a hands-on SDET Automation Engineer or Quality Engineer role.
Expert proficiency in at least one object-oriented programming language (e.g. Python Java C# Go) used for building production-level code and automation frameworks.
Proven experience designing and scaling test automation frameworks (e.g. using Selenium Cypress Playwright or equivalents) for complex large-scale applications.
Deep practical knowledge of CI/CD tools (e.g. Jenkins GitLab CI GitHub Actions) and containerization technologies (e.g. Docker Kubernetes).
Strong understanding of software architecture data structures and algorithms.
Excellent ability to communicate technical concepts clearly and influence cross-functional technical teams.

Preferred Qualifications

Experience in a domain-specific area (e.g. cloud infrastructure machine learning financial systems).
Experience with advanced mocking/stubbing tools and service virtualization.
Certifications in cloud technologies (AWS Azure or GCP).

Additional Information :

Our Values

Collaboration is our superpower

We uncover rich perspectives across the world
Success happens together
We deliver across borders.

Innovation is in our blood

Were pioneers in our industry
Our curiosity is insatiable
We bring the best ideas to life.

We do what we say

Were accountable for our work and actions
Excellence comes as standard
Were open honest and kind always.

We are caring

We learn from each others experiences
Stop and listen; every opinion matters
We embrace diversity equity and inclusion.

More About Cint

Were proud to be recognised in Newsweeks 2025 Global Top 100 Most Loved Workplaces reflecting our commitment to a culture of trust respect and employee growth.

In June 2021 Cint acquired Berlin-based GapFish the worlds largest ISO certified online panel community in the DACH region and in January 2022 completed the acquisition of US-based Lucid a programmatic research technology platform that provides access to first-party survey data in over 110 countries.

Cint Group AB (publ) listed on Nasdaq Stockholm this growth has made Cint a strong global platform with teams across its many global offices including Stockholm London New York New Orleans Singapore Tokyo and Sydney. ()

Additionally in a world of AI we want our candidates to understand our approach to the use of AI during the interview and hiring process so wed appreciate you reading our AI usage guide.

Remote Work :

Yes

Employment Type :

Full-time

OverviewWe are looking for an exceptional and highly experienced Staff Software Development Engineer in Test (SDET) to join our quality engineering team. This is a crucial individual contributor role responsible for designing building and maintaining advanced test automation frameworks driving innov...