Top Java Developer Jobs in Vancouver

Designs and implements scalable Java applications for Mastercard’s real-time Decision Management platform. Responsibilities include unit, integration, and functional testing; incident leadership and post-mortems; Scrum participation; stakeholder collaboration; troubleshooting; and mentoring team members. The role focuses on secure, maintainable, high-performance applications supporting fraud prevention and intelligent transaction decisions.

Develop scalable Java Spring Boot APIs, microservices, React-based interfaces, ETL pipelines, and SQL data solutions. Deploy workloads on AWS, optimize performance, implement monitoring and automation, and collaborate with product, frontend, data, and DevOps teams. The role also contributes to architecture, accessibility, reliability, and data-driven product improvements.

Design, develop, test, and maintain Java-based enterprise applications and scalable REST APIs/microservices using Spring Boot. Work with relational databases, unit/integration tests, CI/CD, version control, and participate in Agile ceremonies. Support cloud deployments, debugging, code reviews, and collaborate with cross-functional teams.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

The Senior Full Stack Developer will build features for a data security platform, focusing on microservices, code quality, and security best practices while leveraging AI tools for development efficiency.

Develop, maintain, and test enterprise Java/JEE applications. Design and implement features and APIs (SOAP/REST), work in Unix/Linux, use Maven, EJB3, ORMs and MySQL, write unit and integration tests (JUnit/Mockito), participate in Agile teams, produce technical documentation, and support deployments.

Develop and maintain secure, scalable Java backend applications and integrations. Design RESTful services, troubleshoot production issues, improve performance and reliability, apply secure coding practices, and collaborate with UI and business stakeholders. The role includes monitoring systems, conducting code reviews, supporting incident postmortems, and mentoring junior developers within an Agile engineering team. This is a hybrid position based in Etobicoke, Ontario, requiring two office days per week.

Seeking a Senior Java Developer with 8-12 years of experience in Core Java, Microservices, Springboot, and DevOps tools.

Design, implement, and maintain Elasticsearch distributed-systems components to ensure scalable, performant, and resilient indexing, coordination, replication, and cluster communication. Diagnose and fix concurrency and performance issues, push scalability limits, and lead projects end-to-end while supporting support engineers and mentoring engineers across multi-node deployments.

Lead development of core Elasticsearch infrastructure and shared platform features. Design scalable APIs, solve performance and concurrency issues, improve observability and CI/CD, support cross-team projects, and own operational investigations end-to-end.

The Senior Java Developer will enhance Elasticsearch's distributed systems, maintain high performance, and solve complex problems related to data indexing and coordination across multiple machines.

Seeking a Senior Engineer with 5+ years in Java, familiar with Spring, microservices, and agile principles to solve client challenges.

Administer, monitor, and support Java applications and Genesys Cloud. Provide production troubleshooting, minor bug fixes and enhancements, and act as primary POC for Java apps. Develop/support microservices using Java and Spring Boot, perform analysis of system behavior, and apply problem-solving and diagnostics to maintain service quality.

This role involves providing technical leadership, mentoring, writing tests in CI, and transitioning architecture from JSP to REST. Requires 5+ years in software architecture and team leadership.

Design, develop, test, and maintain scalable web applications using Java, Spring Boot, microservices, and Angular. Build REST APIs, work with SQL databases, and collaborate with cross-functional teams following Agile/Scrum practices.