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

Industry Professionals; Montreal; On-site; CAD 100,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Flexible work arrangement

Modern tech stack

Job summary

A leading smart technology company focused on cloud-based security is seeking a Senior .NET (C#) Developer with expertise in IoT communications. In this hybrid role located in Montreal, you will design robust backend services and contribute to cloud-native applications. Candidates should have over 5 years of experience, a bachelor's degree in Computer Science, and familiarity with Agile practices. Must have skills in .NET technologies and experience with SQL/NoSQL databases. Join us to innovate in the smart home security industry.

Qualifications

• 5+ years of fullstack software development experience.
• Solid experience with both SQL and NoSQL databases.
• Experience working in Agile/SAFe environments and applying software engineering best practices.

Responsibilities

• Design, develop, and maintain robust backend services and fullstack web applications.
• Build scalable, cloud-native microservices adhering to modern development principles.
• Collaborate in an Agile setting using test-driven development and peer code reviews.

Skills

Fullstack software development

.NET C#

ASP.NET

RESTful API design

Asynchronous programming

Microservice architecture

Backend performance optimization

SQL and NoSQL databases

AWS Cloud development

IoT communications

Agile/SAFe practices

Education

Bachelor's degree in Computer Science

Tools

Docker

Terraform

Jenkins

Job description

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

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

Were Hiring for Our Client: Senior .NET (C#) Developer IoT (Zigbee, BLE)
Location: Hybrid in Montreal, QC, Canada
Industry: Smart Home Technology & Security Systems
Applications Close: June 20, 2025
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)

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

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