Java Application Engineer

Position: 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 Git Hub Copilot and Claude Code.

Key Responsibilities:

Produce well-designed, maintainable, scalable Java code
Take ownership of assigned features and backlog items
Collaborate with senior engineers on delivery blockers
Share knowledge and provide technical guidance
Use approved AI-assisted development tools appropriately
Requirements:
Experience developing and supporting high-performance applications
Strong Java programming and software development knowledge
Understanding of object-oriented design principles
Unit-testing and mocking framework experience
Strong organizational skills managing multiple priorities
Bring Java, scalable application, testing, and problem-solving expertise to Mastercard’s Vancouver engineering team.