Software Test Engineer
BrainBox AI · St Paul, Minnesota ·
- Category
- QA
- Experience
- 2+ years
BrainBox AI · St Paul, Minnesota ·
Be a part of our mission! As a world leader in creating comfortable, sustainable, and efficient climate solutions for buildings, homes and transportation, it's our responsibility to put the planet first. For us at Trane Technologies, and through our businesses including Trane® and Thermo King, sustainability is not just how we do business—it is our business. Do you dare to look at the world's challenges and see impactful possibilities? Do you want to contribute to making a better future? If the answer is yes, we invite you to consider joining us in boldly challenging what's possible for a sustainable world.
Learn about our benefits designed for you to Thrive at work and at home.
We boldly go.
Where is the work:
Monday to Thursday, work onsite with your colleagues. Fridays, choose your work location, balancing what your work requires.
What’s in it for you:
A sustainable future demands ongoing digital advancement. Our digital solutions team leads the way in developing next-generation climate technology focused on reducing demand-side energy consumption and emissions. Our team—including BrainBox AI, Nuvolo, and more—combines technical expertise with advanced analytics to create data-driven solutions that add real value for customers, communities, and the planet. Whether you're advancing AI in HVAC or driving analytics for greater efficiency, your ideas will help engineer solutions for stronger communities and a sustainable world.
Trane Technologies is currently seeking a Software Test Engineer who is responsible for ensuring software applications function as expected and meet defined business and technical requirements. This role focuses on designing and executing manual test cases, identifying defects, validating fixes, and supporting overall product quality across web and mobile applications.
The position works closely with product, design, and development teams to review requirements, evaluate software behavior, and improve testing processes. The Software Test Engineer also prepares test results, defect summaries, and quality reports to support release readiness and continuous product improvement.
What you will do:
Perform manual testing for web and mobile applications, including functional, regression, integration, system, and exploratory testing.
Design test cases, execute test plans, document defects, and validate fixes across multiple test cycles.
Collaborate with product, design, and development teams to ensure requirements are testable and quality standards are met.
Validate APIs, backend workflows, and end-to-end business processes across integrated systems. Prepare test reports, quality metrics, and release-readiness summaries for project stakeholders.
Support continuous improvement of QA processes, tools, and testing standards. Support testing of AI-enabled features and intelligent workflows within web and mobile applications.
Design and execute test cases to validate AI-generated outputs for accuracy, relevance, consistency, and reliability. Perform prompt-response testing for generative AI features, including standard, edge-case, and negative scenarios.
Identify and document AI-related issues such as inconsistent outputs, hallucinations, bias, unsafe responses, and unexpected behavior. Validate AI service integrations, APIs, input/output data quality, and system performance.
Collaborate with product, engineering, and QA teams to define AI testing approaches, acceptance criteria, and quality standards. Help ensure AI-enabled solutions align with responsible AI principles, including fairness, privacy, transparency, and risk mitigation.
Contribute to improving AI testing processes, tools, datasets, and quality evaluation method. Analyze functional and non-functional requirements for completeness, testability, and business alignment.
Participate in Agile ceremonies to review scope, acceptance criteria, defects, and quality deliverables. Design, develop, and maintain manual test cases, test scenarios, and test procedures.
Execute functional, regression, integration, system, and end-to-end testing across applications. Validate workflows, UI behavior, business rules, system interactions, and data flow against requirements.
Identify, log, track, and retest defects; support root cause analysis and defect resolution with development teams. Maintain test documentation including test plans, traceability matrices, defect reports, and test summaries.
Assess test coverage, identify risks, dependencies, and bottlenecks, and communicate them to stakeholders. Support release validation, final verification testing, and quality sign-off recommendations.
Contribute to continuous improvement of QA processes, tools, standards, and testing effectiveness. Act as a quality SME for assigned modules and provide input on test strategy, risk, and product quality. Prepare and present test execution results, defect metrics, and release status reports to leadership.
What you will bring:
Bachelor’s Degree required. Engineering or Computer Science preferred.
5+ years software testing experience, with minimum of 2 year of automated hands-on testing experience required.
Strong understanding of software testing principles.
Experience testing in Cloud / AWS environments. Understanding HTML, CSS and JSON is necessary.
Experience working in SQL environments. Experience creating and executing API, GUI Automation Testing for web applications.
Experience in working with acceptance test-driven development (ATDD), automated unit testing (AUT), and behavior-driven development (BDD
The ideal candidate would also be familiar with one or more of the following:
Experience with creating, updating, and executing automated test cases using Selenium, Nightwatch.js, OR Cypress, OR similar testing tools (Java preferred)
Exposure to API Testing, including tools such as Postman, Karate, or similar.
Strong database query skills with relational and NoSQL databases including Dynamo, or similar technology.
Experience collaborating with offshore teams.
Building industry, facilities management, HVAC equipment, and/or BAS knowledge.
Annual Base Salary Range or Hourly Base Pay Range:
$78,723.33 - $109,655.00Compensation Type:
SalaryIncentive Eligible:
NoSales Commission Eligible:
NoDisclaimer: We strive to provide competitive compensation for this position, tailored to a variety of factors. The actual compensation will depend on elements such as seniority, merit, geographic location, education, experience, travel requirements, and union designation. Our compensation range is generally based on the national average for the country. Additionally, benefits may vary depending on the region, business alignment, union involvement, and employee status.
Thrive at work and at home:
Disclaimer: Benefit offerings may vary depending on Collective Bargaining Agreements and local/state regulations.
Safety Sensitive Role:
NoThe company designates certain roles as Safety Sensitive. Safety Sensitive roles may require that you pass additional drug screening.
We offer competitive compensation and comprehensive benefits and programs. We are an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, age, marital status, disability, status as a protected veteran, or any legally protected status.