Top Java Developer Jobs in Calgary

Develop and maintain Java-based financial microservices supporting global partner payments. Build reliable REST and message-driven systems, write tests, review code, use AI development tools, and maintain AWS and Terraform infrastructure. Collaborate with product and engineering teams while applying system design, reliability, observability, CI/CD, and database best practices.

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, test, and maintain scalable Java backend applications using Spring and Spring Boot. Build RESTful APIs and microservices, integrate external systems, optimize performance and reliability, and implement security and data protection. Collaborate with cross-functional teams, conduct code reviews, mentor junior developers, and contribute to Agile practices. Develop unit and integration tests, maintain CI/CD pipelines, and support DevOps deployment and monitoring activities.

Lead architecture and technical direction across product and platform teams. Design scalable, reliable cloud systems, establish engineering standards, solve complex modernization and distributed-systems challenges, support FedRAMP readiness, and mentor engineers. Guide multi-region deployments, disaster recovery, observability, data migrations, performance tuning, and production incident resolution while influencing roadmaps and driving cross-team execution.

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 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.

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.

Design, develop, and maintain Java/Spring backend applications and microservices. Build RESTful APIs, ensure performance, security, and scalability, write unit/integration tests, maintain CI/CD and containerized deployments, integrate external systems, participate in code reviews, and mentor junior developers.

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.

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.