Senior Java Backend Engineer – Spring, Microservices, Cloud

Apptad Inc

Calgary

On-site

CAD 90,000 - 130,000

Full time

14 days+

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Job summary

Apptad Inc in Calgary, AB is seeking a Java Developer to join our team and help deliver key initiatives. You will be a solid Java programmer with strong design and implementation fundamentals, collaborating with an energetic team on bleeding-edge projects using Java, Spring (Boot, MVC, Data, Security) and modern microservices.

The role emphasizes designing and maintaining server-side applications, RESTful APIs, performance tuning, CI/CD pipelines, and DevOps practices.

Qualifications

Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
5+ years of experience in Java back-end development.
Strong expertise in Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security).
Experience with RESTful APIs, microservices architecture, and cloud platforms (AWS/Azure/GCP).
Proficiency with Docker, Kubernetes, and CI/CD tools like Jenkins, GitLab, or GitHub Actions.

Responsibilities

Design, develop, and maintain server-side applications using Java and Spring/Spring Boot frameworks.
Write clean, efficient, and testable code following best practices and design patterns.
Collaborate with front-end developers, architects, and product managers to deliver high-quality solutions.
Design and manage RESTful APIs and microservices.
Optimize application performance, scalability, and reliability.
Participate in code reviews, mentoring junior developers, and contributing to continuous improvement.
Develop unit and integration tests to ensure quality and maintainability.
Integrate third-party APIs and external systems as required.
Ensure application security, data protection, and compliance with industry standards.
Maintain CI/CD pipelines and support DevOps practices for deployment and monitoring.