IT & Software

Senior Java Software Engineer

HCR Permanent Search

Markham · On · Canada

Our client, a leading technology company in the wireless communications space, is seeking a Senior Software Engineer to join their team in the Markham area.

Job Title: Senior Software Engineer

Location: Markham ON

Position Type: Hybrid

Key Requirements

  • Experience: 8-12+ years of professional backend development experience with a degree in CS, Software Engineering, or related field.
  • Core Tech: Strong expertise in Java , Spring Boot , Kafka , and containerized architectures (Kubernetes / OpenShift).
  • Networking & Protocols: Experience with low-level network socket programming (TCP/IP, UDP) and distributed system integration patterns.
  • Security & Tools: Understanding of secure application development (OAuth2, JWT, encryption) and strong Git proficiency.
  • Nice-to-Have: CI/CD pipelines, Linux environments, scripting, and cloud platforms (AWS/Azure/GCP).

Responsibilities

  • Design and maintain scalable Java-based backend applications, RESTful APIs, and system integrations.
  • Optimize system performance, security, and reliability across distributed environments.
  • Troubleshoot production issues and write robust unit/integration tests.
  • Collaborate on system architecture and contribute to continuous improvement.

HCR Personnel Solutions Inc. welcomes applications from people with disabilities. Accommodation is available upon request for candidates taking part in all aspects of the recruitment and selection process.

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Reference: WJ-3875_13272354

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