Senior.NET (C#) Developer - IoT (Zigbee, BLE)

INDUSTRY PROFESSIONALS; Montreal; On-site; CAD 100,000 - 120,000; Full time

Job summary

A leading smart technology company is seeking a Senior .NET (C#) Developer specialized in IoT to innovate in cloud-based security solutions. This hybrid role in Montreal involves designing scalable microservices and securing IoT communications within a dynamic engineering team, affecting user safety and convenience directly.

Benefits

Flexibility with in-person collaboration

Competitive salary

Modern tech stack

Qualifications

• 5+ years of fullstack software development experience.
• Experience with IoT communications such as Zigbee and Bluetooth Low Energy (BLE).
• Hands-on experience in Agile / SAFe environments.

Responsibilities

• Design, develop, and maintain backend services and fullstack web applications.
• Collaborate in an Agile setting using test-driven development.
• Interface with firmware teams for device-level IoT communication.

Skills

.NET C#

RESTful API design

Microservice architecture

SQL databases

NoSQL databases

AWS

IoT communications

Agile / SAFe

Education

Bachelors degree in Computer Science

Degree in Software Engineering

Tools

Docker

Terraform

Jenkins

Job description

Were Hiring for Our Client : Senior .NET (C#) Developer IoT (Zigbee, BLE)

Location : Hybrid in Montreal, QC, Canada

Industry : Smart Home Technology & Security Systems

Compensation : CAD $100,000 $120,000

Were hiring on behalf of a leading smart technology company focused on cloud-based security and access management systems for connected homes and vacation properties. With a robust IoT ecosystem and a growing engineering team, they are pushing the boundaries of secure device communication using modern software and hardware protocols.

Required Skills & Experience :

5+ years of fullstack software development experience

Expertise in .NET C#, ASP.NET, RESTful API design, and asynchronous programming

Strong understanding of microservice architecture and backend performance optimization

Solid experience with both SQL and NoSQL databases

Cloud development experience, preferably AWS

Practical knowledge of hardware communication protocols (e.g., USB, IP / UDP, HTTP / S)

Hands-on experience with IoT communications such as Zigbee and Bluetooth Low Energy (BLE)

Experience working in Agile / SAFe environments and applying software engineering best practices

Bachelors degree in Computer Science, Software Engineering, or a related discipline

Preferred Qualifications :

Experience with Docker and building containerized applications

Familiarity with Infrastructure-as-Code tools like Terraform

Knowledge of CI / CD pipelines (e.g., Jenkins )

What Youll Be Doing

As a Senior .NET (C#) Developer IoT (Zigbee, BLE) , youll work within a cloud platform services team that powers smart access systems for residential and commercial environments. Youll help shape the way secure IoT devices communicate and function within a highly scalable, cloud-connected infrastructure.

Your Core Responsibilities :

Design, develop, and maintain robust backend services and fullstack web applications

Build scalable, cloud-native microservices adhering to modern development principles (SOLID, DRY, YAGNI)

Interface with firmware teams to enable and secure device-level IoT communication

Debug and tune high-performance code for scalability and fault tolerance

Collaborate in an Agile / SAFe setting using test-driven development and peer code reviews

Analyze data and user behavior to continuously improve product features and UX

Why Join?

Be part of a company innovating in the smart home and IoT security space

Work on meaningful projects that directly impact end-user safety and convenience

Hybrid role based in Montreal, QC enjoy flexibility with in-person collaboration

Competitive salary and modern tech stack