Lead Software Engineer (SDET)
OntarioFull Time
Mastercard
Candidates need a bachelor's degree in computer science or a related field, advanced Java skills, and solid experience with test automation tools such as Selenium, TestNG and JUnit. Experience testing REST and SOAP APIs, Spring Boot microservices and agile practices is also required.
Selenium, TestNG, JUnit, TestRail, Jasmine, Protractor
Principal Data Scientist
OntarioFull Time
Mastercard
Candidates need a master's degree (PhD preferred), proven experience leading data science teams and delivering enterprise AI and ML solutions, and hands-on skill in NLP, computer vision or generative AI. They also need strong Python, SQL, Spark and cloud ML skills, plus experience in regulated industries.
Python, Scikit-learn, PyTorch, TensorFlow, SQL, Spark