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.

Design and develop enterprise-scale programmable voice and CPaaS capabilities using Java, Spring Boot, FreeSWITCH, Kamailio, SIP, RTP, and WebRTC. Build call-control services, APIs, routing, session management, media processing, carrier integrations, and scalable distributed systems. Troubleshoot complex telephony issues, establish engineering standards, define non-functional requirements, review architecture and code, and collaborate with clients and cross-functional teams on technical delivery.

Build enterprise Workforce Management software for forecasting, staffing, scheduling, adherence, intraday management, and operational reporting. Develop Java and Spring Boot microservices, React and TypeScript applications, REST APIs, event-driven workflows, and PostgreSQL data models. Integrate WFM with CX, ACD, HR, payroll, identity, and enterprise data platforms. Contribute to cloud-native deployments, CI/CD, testing, performance optimization, architecture, code reviews, and client-facing collaboration.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, Node.js, PostgreSQL, microservices, and REST APIs. Build CI/CD pipelines, containerized deployments, integrations, observability, and secure distributed systems. Collaborate with product, UX, QA, DevOps, architecture, and engineering teams while troubleshooting production issues and improving application performance, resilience, and maintainability.

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.

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.

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.