Test Engineer

Hi, I'm Cassie Alexander, your Recruiter and guide to joining CSG! We are excited to learn more about you and your unique background.

Our Test Engineer is responsible for designing, implementing, and executing test strategies that ensure the quality and reliability of the Xponent platform. This role focuses on building and maintaining automated and manual tests for APIs, services, and data flows, with an emphasis on Python-based test tooling, and REST API testing, and manual feature acceptance. You will collaborate closely with developers, product owners, and other Test Engineers to prevent and identify defects, increase test coverage, and improve the overall product quality.

We are looking for a Test Engineer who will:

• Analyze user stories, requirements, and acceptance criteria to create clear test plans, test cases, and test data

• Design and execute functional, regression, integration, and exploratory tests for both backend and frontend components

• Design and execute tests for RESTful APIs, including request/response validation, error handling, and contract adherence

• Validate authentication, authorization, and common non-functional behaviors (rate limits, pagination, etc.) at an appropriate level

• Use tools such as Bruno to debug and validate API behavior

• Work closely with engineers and product owners to clarify requirements, define acceptance criteria, and identify risks early

• Participate in refinement and design discussions, providing input on testability and potential edge cases

• Help drive defect prevention by sharing findings, patterns, and root causes with the team

• Log clear, reproducible defects with supporting evidence (logs, SQL queries, screenshots, API traces)

• Partner with developers to triage, prioritize, and verify fixes

• Track and report on test execution status, defect trends, and coverage for assigned work

• Contribute to improving QA practices, standards, and documentation for the team

• Share knowledge with peers through code reviews, pairing, and informal coaching

Is this opportunity right for you? We are looking for candidates who have:

• Bachelor’s degree in Computer Science, related field or equivalent experience

• 2+ years of professional experience in software testing or quality engineering

• Experience with Python or Javascript/Typescript, including a familiarity with basic coding structures and patterns

• Experience creating and executing test cases for backend services and RESTful APIs

• Understanding of common testing types: functional, regression, integration, smoke/sanity

• Basic SQL skills for querying databases to verify test results and investigate defects

• Strong problem-solving and debugging skills; comfortable working with logs, traces, and metrics

• Able to document test cases, results, and defects clearly

• Experience working in an Agile/Scrum or Kanban environment

• Collaborative mindset and willingness to take ownership of quality for assigned features

• Ability to work in a Brazil-based CLT contract position  

• Ability to read, write, speak and understand the English language in a business environment

CSGer Perks & Benefits 

• Work from Home, hybrid or in-office

• Employee Belonging Groups

• Medical / Dental / Life Insurance

• Meal Voucher

• Day-care benefits

• Paid Vacation, Volunteer, and Holiday Time Off

• And so much more!

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Location(s):

Accommodation:

If you would like to be considered for employment opportunities with CSG and need special assistance due to a disability or accommodation for a disability throughout any aspect of the application process, please call us at +1 (402) 431-7440 or email us at accommodations@csgi.com. CSG provides accommodations for persons with disabilities in employment, including during the hiring process and any interview and/or testing processes.

Our Guiding Principles:

Impact: Always help and empower others, whether they’re colleagues or customers. When our employees set their minds to something, great things happen.

Integrity: Do what’s right for our customers and our people while being authentic. We treat everyone with trust and respect—that’s just who we are.

Inspiration: Be bold in the way you think and passionate about the work you do. Test out innovative ideas without the fear of failure.

Our Story:

CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy.

By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are. Learn more about CSG Inclusion & Impact here.