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Added 4 mins ago
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HCR Permanent Search

Senior Java Software Engineer

Markham, ON, Canada

Pay: $120,000 to $130,000 CAD / year
Job type: Full-time
Apply by: Oct 25, 2026
Experience: Experience: 8–12+ years of professional backend development experience with a degree in CS, Software Engineering, or related field.
Posting language: English
Posted: Sep 25, 2026

Apply About employer

Applications open in a new tab.

Original job description

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.

Apply Now!

If you are driven by the opportunity for career growth within a positive and supportive work environment, we invite you to submit your resume, along with your salary expectations in confidence to:

Matthew Snider

msnider@hcr.ca

Please indicate the name of the position you are applying for in the subject line. Only those selected to move forward in the consideration process will be contacted. Thank you for your interest!

HCR Permanent Search is recruiting on behalf of our client for an existing vacancy.

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.

Apply About employer

More about this job

Responsibilities

Design and maintain scalable Java backend applications, RESTful APIs, and system integrations, while improving performance, security, and reliability in distributed environments. Troubleshoot production issues, write unit and integration tests, collaborate on system architecture, and contribute to continuous improvement.

Requirements

Requires 8–12+ years of professional backend development experience and a degree in computer science, software engineering, or a related field. Candidates should have strong Java, Spring Boot, Kafka, containerization, networking, distributed systems, application security, and Git experience; CI/CD, Linux, scripting, and cloud experience are desirable.

Skills

Java
Spring Boot
Kafka
Kubernetes
OpenShift
TCP/IP
UDP
Network Socket Programming
Distributed Systems
RESTful APIs
OAuth2
JWT
Encryption
Git
CI/CD
Linux

Visa sponsorship

Not detected in the job text

Hiring contact

Matthew Snider

Hiring contact email

msnider@hcr.ca

Keywords

Java
Spring Boot
Kafka
Kubernetes
OpenShift
TCP/IP
UDP
Network Socket Programming
Backend Development
Distributed Systems
System Integration
RESTful APIs
OAuth2
JWT
Encryption
Git
CI/CD
Linux
Scripting
AWS
Azure
Google Cloud Platform
Unit Testing
Integration Testing
Containerized Architectures
Wireless Communications
System Architecture

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