High Performance Java Application Engineer

Develop high-performance Java applications at Mastercard in Vancouver while solving complex technical problems and improving code quality. The role is office-based.As a Software Engineer II on the DMP team, you will own assigned backlog items through development, testing, and delivery. Build maintainable, scalable, secure, and testable code using Java and Spring. Support applications involving real-time processing, APIs, in-memory data grids, and intelligent decision products. Mastercard also uses approved AI-assisted development tools, including GitHub Copilot and Claude Code.Key Responsibilities:
Produce well-designed, maintainable, scalable Java codeTake ownership of assigned features and backlog itemsCollaborate with senior engineers on delivery blockersShare knowledge and provide technical guidanceUse approved AI-assisted development tools appropriatelyRequirements:
Experience developing and supporting high-performance applicationsStrong Java programming and software development knowledgeUnderstanding of object-oriented design principlesUnit-testing and mocking framework experienceStrong organizational skills managing multiple prioritiesBring Java, scalable application, testing, and problem-solving expertise to Mastercard’s Vancouver engineering team.
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