Top Java Developer Jobs in Calgary

Develop and lead backend Java application development, define software designs and coding standards, estimate and track technical work, and guide teams in an agile environment. The role includes mentoring developers, collaborating with business, QA, and operations stakeholders, creating automated tests, reviewing code, troubleshooting production issues, documenting systems, and delivering scalable cloud-native solutions using Java, Spring Boot, microservices, and Kubernetes.

Develop and maintain Java backend applications using Spring Boot, RESTful APIs, and microservices. Responsibilities include designing scalable systems, integrating APIs, managing databases, writing unit and integration tests, participating in code reviews, supporting CI/CD and DevOps practices, optimizing performance, and ensuring application security. The role requires collaboration with architects, frontend developers, and product managers, along with mentoring junior developers.

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 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.