Jobs at Ups in Brazil

About Xirgo Holdings, Inc

Xirgo Technologies offers a complete portfolio of proprietary supply chain monitoring and management technology to convert IoT data from information to insights - enabling the smartest telematics data analytics solutions.

About the role

Xirgo Technologies is recruiting a Quality Assurance Engineer to join us in creating the next generation of Smart Fleet Logistics products and solutions.

Xirgo is the future of Smart Fleet Logistics - fleet management and logistics made smarter, safer and more productive. We lead the way with world-class technology, unparalleled expertise and unwavering partnership in everything we do, so our customers can move the world forward with confidence and peace of mind.

As a QA Engineer at Xirgo, you will play a pivotal role in ensuring the integrity and performance of complex systems through rigorous verification and validation processes. You'll collaborate with cross-functional teams-including hardware, firmware, and systems engineers -to develop and execute test plans, identify issues, and ensure system requirements are met. This position demands a strong analytical mindset, attention to detail, and a solid foundation in engineering principles to help deliver high-quality, reliable systems.

What you'll do

• Design, develop, and execute test plans and test cases for IoT tracking devices (embedded software, mobile apps, and cloud platforms).
• Perform manual and automated testing of firmware and software features, including over-the-air updates, location tracking (GNSS & Wi-Fi), power management, and protocol implementation, e.g. COAP, MQTT, BLE.
• Use tools like Wireshark, serial loggers, oscilloscopes and power analysers to verify data flow and system stability.
• Analyse logs and telemetry data to troubleshoot issues across hardware, firmware, and cloud layers.
• Contribute to and maintain test automation frameworks in Python or equivalent languages.
• Execute regression & performance tests to validate system robustness, e.g. accelerometer characterisation, GNSS/Wi-Fi performance optimisation.
• Document bugs clearly in issue tracking systems, e.g., JIRA, and support developers with reproducible steps and logged evidence.
• Collaborate in sprint planning, stand-ups, and retrospectives as part of an Agile development team.

Experience / Qualifications

• A university degree required (i.e. Bachelor's degree) in Computer Science, Electronic and Systems Engineering, or a related field or equivalent relevant work experience.
• 2+ years of experience in a QA or Systems engineering role, ideally within IoT or embedded systems.
• Experience testing embedded systems, mobile applications, or cloud platforms.
• Strong knowledge of QA methodologies, testing types, and best practices.
• Experience with source control, e.g., Git, and CI/CD pipelines, e.g., GitHub.
• Must be a team player able to work in a fast-paced environment with demonstrated ability to handle multiple competing tasks and demands.
• Strong interpersonal, communication & collaboration skills to work effectively with all levels of the organization including suppliers and/or external customers.
• Strong communication skills; oral, written and presentation.
• Strong organization, planning and time management skills to achieve results.
• Strong personal and professional ethical values and integrity.
• Holds self accountable to achieving goals and standards.
• Strong analytical and debugging skills with the ability to understand hardware/software interactions

Desirable Criteria

• Experience with Python test automation or frameworks like Robot Framework
• Proficiency with Testrail, Postman, Wireshark, and other data capture tools.
• Familiarity with IoT cloud platforms (e.g., AWS IoT, Azure IoT, Google Cloud IoT).
• Experience testing battery-powered devices, power optimization, or environmental robustness.

We offer a competitive salary and benefits package. Xirgo is committed to the provision of training, development, and promotion opportunities.