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Calian Group

Senior Full Stack Developer

On site

Ottawa, Canada

Senior

Full Time

03-10-2025

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Skills

Communication Java JavaScript TypeScript SQL PostgreSQL GitLab CI/CD DevOps Docker Kubernetes Test angular SQL Server api testing Postman Junit Spring Hibernate Redis HTML5 Spring Boot CI/CD Pipelines Gitlab CI OpenShift Kafka Microservices

Job Specifications

Position Overview

Calian ITCS is currently seeking a Senior Full Stack Developer to perform the following duties:

Responsibilities

Design, develop, and maintain backend services using Spring Boot.
Implement and optimize data persistence layers using Spring Data JPA and Hibernate.
Manage database versioning and migrations using Flyway or similar tools.
Ensure transactional integrity and performance optimization through expertise in transaction management in Spring.
Write and maintain unit tests for backend code, ensuring high test coverage and robust code quality.
Work with pub/sub messaging systems like Kafka, ensuring scalability and reliability in event-driven architectures.
Integrate and manage caching solutions such as Redis to optimize performance.
Design and implement modern, responsive web applications using Angular (SPA).
Collaborate closely with UI/UX designers to create an intuitive and seamless user experience.
Build and maintain RESTful APIs for front-end and back-end communication.
Ensure optimal performance and scalability of the front end, with a focus on modularity and code reuse.
Deploy and manage applications on Kubernetes (K8s) and OpenShift.
Integrate backend and frontend systems with CI/CD pipelines for continuous integration, testing, and deployment.
Participate in DevOps practices, ensuring smooth and automated deployments using tools like Tektone, ArgoCD, GitLab CI, or equivalent.
Write unit and integration tests for both frontend and backend components.
Conduct automated REST API testing using tools like Playwright or similar frameworks.
Collaborate with QA teams to ensure end-to-end testing of the application.

Qualifications

Clearance: Eligibility for GoC Clearance (mandatory)
Language: English
3+ years of professional Java development experience, particularly in building microservices with Spring Boot.
Strong experience with Spring Data JPA, Hibernate, and transaction management in distributed systems.
Hands-on experience with Flyway or other database migration tools.
Experience with Kafka (preferably) or other pub/sub messaging systems.
Familiarity with caching solutions like Redis, and experience with database technologies such as SQL Server or PostgreSQL.
2+ years of experience developing modern web applications with Angular.
Strong understanding of HTML5, CSS3, TypeScript, and JavaScript.
Experience with state management frameworks like NgRx is a plus.
Proficiency in consuming and integrating RESTful APIs in Angular applications.
Experience deploying and managing applications in Kubernetes (K8s) and OpenShift environments.
Strong experience with CI/CD pipelines and tools like Tekton, ArgoCD, GitLab CI, or similar.
Knowledge of containerization technologies like Docker and orchestration in Kubernetes.
Strong expertise in unit testing (JUnit, Mockito) for backend code and Karma/Jasmine for frontend testing.
Experience with REST API testing frameworks like Playwright, Postman, or similar.

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About the Company

We help the world communicate, innovate, learn and lead safe and healthy lives. Every day, our employees live our values of customer-centricity, integrity, innovation, respect, and teamwork to engineer reliable solutions that solve complex problems. That's Confidence. Engineered. A stable and growing company for 40 years, we are headquartered in Ottawa with offices and projects spanning North American and international markets. Visit calian.com to learn about the diverse products, services and solutions we offer to healthcar... Know more