Lead Data Scientist (Graph Analytics)
Toronto, ONMastercard
Candidates need a Master's or Bachelor's degree in a quantitative field, proven experience leading data science projects, and substantial hands-on graph analytics skills. They also need advanced Python and SQL, experience with Spark, Hadoop and Databricks, and strong statistical and machine learning knowledge.
Python, SQL, Apache Spark, Hadoop, Databricks
Director, Data Engineering
Toronto, ONMastercard
Candidates need strong data engineering experience, proficiency in graph databases, Databricks, Spark and AWS, and proven ability to lead and develop a data engineering team. A technical degree or equivalent hands-on skills and clear communication with technical and business audiences are also required.
Databricks, Spark, AWS, Hive, Impala, Oozie
Senior Software Engineer
OntarioMastercard
Candidates need a bachelor's degree or equivalent experience, expert Java (17+) and Spring skills, and experience with REST APIs and cloud-native systems, preferably Azure. Strong ownership, production troubleshooting and collaboration skills are required.
Java, Spring, Azure, Git, CI/CD pipelines
Software Engineer II
OntarioMastercard
Mastercard needs candidates with hands-on full-stack experience, strong skills in Java, Spring Boot, React or Angular, and PostgreSQL, and knowledge of software design. A bachelor's degree in a related field is expected, though equivalent practical experience may be considered.
Java, Spring Boot, React, Angular, PostgreSQL, GCP
Lead Software Engineer (SDET)
OntarioMastercard
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
Lead Data Scientist
OntarioMastercard
Candidates need substantial experience building and deploying machine learning and deep learning solutions end to end, and a master's degree in computer science or a quantitative field is required (a PhD is an asset). They also need strong scientific communication skills and a solid grasp of data governance and privacy standards.
Python, R, TensorFlow, PyTorch, SQL, SAP HANA