Senior Backend API Engineer - Node.js, Cloud, REST (Hybrid)

Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!; Toronto; Hybrid; CAD 110,000 - 150,000; Full time

Job summary

Astra-North Infoteck Inc. in Toronto is seeking an experienced Backend API Developer to design, develop, and maintain scalable backend services and APIs for mobile apps built on React Native.

You will work hybrid, 2 days in the office, and collaborate with architects and business stakeholders to deliver secure, high-performance solutions. The role emphasizes OAuth/JWT/Sso, CI/CD, and enterprise integrations.

Qualifications

• 5+ years in backend development.
• Experience building RESTful APIs and microservices.
• Strong SQL and NoSQL knowledge (PostgreSQL, MySQL, MongoDB).
• Experience with cloud platforms (AWS, Azure, or GCP).
• Familiarity with OAuth, JWT, and API security.

Responsibilities

• Design, develop, and maintain backend services using Node.js.
• Build secure, scalable REST APIs for React Native mobile apps.
• Integrate backend with databases, third-party systems, and enterprise apps.
• Collaborate with mobile developers, architects, and stakeholders.
• Implement authentication/authorization (OAuth, JWT, SSO).
• Optimize performance, scalability, and reliability.
• Troubleshoot production issues and provide support.
• Develop unit tests and participate in code reviews.
• Ensure adherence to security, coding, and quality standards.

Skills

Backend development

RESTful APIs

Microservices

SQL/NoSQL databases

Cloud platforms

API security

CI/CD / DevOps

Git

React Native integration

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

API Gateway

Job description

Astra-North Infoteck Inc. in Toronto is seeking an experienced Backend API Developer to design, develop, and maintain scalable backend services and APIs for mobile apps built on React Native.

You will work hybrid, 2 days in the office, and collaborate with architects and business stakeholders to deliver secure, high-performance solutions. The role emphasizes OAuth/JWT/Sso, CI/CD, and enterprise integrations.