About the role

We are looking for the very Top Talent...and we would be delighted if you were to join our team!

More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.

What we look for?
We are looking for a QA / Test Engineer with solid experience in enterprise software quality assurance, preferably within utility, billing, financial, CRM, ERP, or other high-volume customer platforms. The ideal candidate combines strong functional testing expertise with API, integration, data validation, automation, and regression testing skills.
You should have a risk-based testing mindset, strong analytical capabilities, and a focus on ensuring billing accuracy, financial reconciliation, and high-quality releases. Experience with test automation, SQL, CI/CD practices, and modern testing frameworks is highly valued.

What you'll do

Main tasks and accountabilities will be:
Define and execute test strategies, plans, estimates, coverage models, and quality gates aligned with project risks and delivery milestones.
Design and execute functional, integration, end-to-end, API, regression, exploratory, and data validation test scenarios.
Validate customer, contract, tariff, billing, invoicing, payments, refunds, collections, and financial processes across the platform.
Perform complex billing verification, including proration, effective dating, taxes, discounts, adjustments, reversals, rebilling, and exception handling.
Test APIs and event-driven integrations, ensuring reliability, sequencing, idempotency, error handling, and operational visibility.
Develop and maintain automated tests and regression suites for APIs, services, and critical business journeys.
Use SQL for data setup, validation, comparison, migration verification, and reconciliation activities.
Prepare and manage test environments, test data, customer accounts, meters, tariffs, and usage scenarios.
Log, track, analyze, and retest defects while collaborating with developers, analysts, and business stakeholders.
Support User Acceptance Testing (UAT) through scenario preparation, execution monitoring, evidence collection, and defect management.
Contribute to performance, resilience, security, and operational readiness testing activities.
Support cutover rehearsals, production validation, smoke testing, reconciliation controls, and hypercare activities.

What we're looking for

What do we expect from you?
4+ years of experience in software testing and quality assurance within enterprise environments.
Strong knowledge of:
Functional Testing
End-to-End Testing
Integration Testing
Regression Testing
Risk-Based Testing
Defect Management
Hands-on experience with API testing tools such as Postman, REST Assured, or similar.
Strong SQL skills for data validation, reconciliation, and migration testing.
Experience building and maintaining automated test frameworks and automated regression suites.
Familiarity with CI/CD pipelines, source control systems, and automated test execution.
Ability to analyze complex business rules, pricing structures, effective-dated logic, financial calculations, and exception flows.
Experience with automation technologies such as:
Cucumber
JUnit
REST Assured
Selenium
Strong communication skills and the ability to produce clear test evidence and defect documentation.
Good spoken and written English.

Nice to have

Nice to have
Utility industry experience, especially customer information and billing platforms.
Knowledge of platforms such as SAP Utilities, Oracle Utilities, Kraken Technologies, or Hansen.
Experience with meter-to-cash, customer-to-cash, market operations, and debt management processes.
Performance and resilience testing using JMeter, k6, or Gatling.
Experience with AWS integrations, event-driven architectures, and cloud observability.
ISTQB or equivalent testing certification.

What you'll get

23 days of Annual Leave plus the 24th and 31st of December as discretionary days!

Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).

`Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan...)

Free access to several training platforms

Professional stability and career plans

UST also, compensates referrals from which you could benefit when you refer professionals.

The option to pick between 12 or 14 payments along the year.

Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime...)

UST Club Platform discounts and gym Access discounts

If you would like to know more, don't hesitate to apply and we'll get in touch to fill you in detail. We are waiting for you!

How you'll work

Work Location
100%remote

Business hours.

Key skills

Key skills
End-to-End Testing
Functional Testing
Integration Testing
CI/CD
Cucumber
API Testing
SQL
Test Automation
Regression Testing
Defect Management
Risk-Based Testing
Financial & Billing Validation
Agile Delivery Practices

Additional information

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.

QA / Test Engineer

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