Full-Stack Developer

Cognitive Systems Corp•Kitchener, ON

21d•CA$88,000 - CA$120,000•Hybrid

About The Position

We are seeking a passionate and capable full-stack developer to join our team and help shape the future of smart home technology and connected care. The ideal candidate thrives in a fast-moving environment, enjoys working with a small, highly skilled team, and is motivated by building technology that has a meaningful impact on people’s everyday lives. You will be responsible for developing next-generation cloud and web technologies that support Caregiver by Cognitive, our Wi-Fi sensing platform for aging in place. This role requires strong technical skills, sound judgment, and a willingness to take ownership as we build practical, scalable solutions for real-world deployment.

Requirements

A bachelor’s degree in computer science or a related field, or equivalent practical experience.
At least 4 years of professional experience in a software developer role.
Strong proficiency in JavaScript/TypeScript and Node.js.
Strong proficiency in front-end development, particularly React.js.
Hands-on experience designing and developing REST APIs.
Experience working with Docker and Docker Compose.
Experience with PostgreSQL, message brokers, and time-series databases.
Experience with automated testing frameworks such as Jest or Vitest.
Experience using Git version control and working in Agile environments with tools such as JIRA.
A team-oriented mindset, strong communication skills, and a willingness to take ownership and drive solutions forward.

Nice To Haves

Experience with cloud technologies such as AWS and Kubernetes.
Experience working with Python.
Experience with large-scale IoT platforms using MQTT.
Experience building products or platforms that support smart home, connected care, health technology, or large-scale device deployments.

Responsibilities

Develop, maintain, and improve full-stack web applications that support Caregiver and related platform capabilities.
Design, build, and maintain REST APIs and services.
Work with a variety of database technologies, including relational, time-series, and messaging-based systems.
Collaborate closely with engineers, product managers, and data scientists to design and deliver new product features.
Improve internal tools, monitoring systems, automated testing, and CI/CD pipelines.
Contribute to the reliability, scalability, and performance of cloud-based systems.
Participate in technical discussions, code reviews, and continuous improvement of engineering practices.