Backend API Developer
Design, develop, and maintain scalable backend services and secure REST APIs for React Native mobile applications. Integrate backend systems with databases, third-party services, and enterprise platforms while optimizing for performance and reliability.
- On-site
- Toronto, ON
- Posted Aug 26, 2026
- Apply by Feb 22, 2027
- 1 position
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Job summary
We are looking for an experienced Backend API Developer to design, develop, and maintain scalable backend services and APIs for mobile applications built on React Native. The ideal candidate should have strong expertise in Node.js, RESTful APIs, cloud technologies, and integration with enterprise systems. Key Responsibilities Design, develop, and maintain backend services using Node.js. Build secure, scalable, and high-performance REST APIs for React Native mobile applications. Integrate backend services with databases, third-party systems, and enterprise applications. Collaborate with mobile developers, architects, and business stakeholders to deliver end-to-end solutions. Implement authentication and authorization mechanisms (OAuth, JWT, SSO). Optimize application performance, scalability, and reliability. Troubleshoot production issues and provide ongoing support. Develop unit tests and participate in code reviews. Ensure adherence to security, coding, and quality standards. Required Skills 5+ years of experience in backend development. Strong proficiency in Node.js, Express.js, and JavaScript/TypeScript. Experience developing RESTful APIs and microservices. Strong knowledge of SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB). Experience with cloud platforms such as AWS, Azure, or GCP. Experience with API security, OAuth, JWT, and API Gateway. Familiarity with CI/CD pipelines, Git, and DevOps practices. Understanding of React Native mobile application architecture and integration patterns. Preferred Skills Experience with GraphQL. Knowledge of Docker and Kubernetes. Experience Integrating With SAP, Oracle, Or Other Enterprise Platforms. Exposure to Agile/Scrum delivery methodology. Qualifications Bachelor's degree in Computer Science, Engineering, or related field. Strong communication and stakeholder management skills. Experience working in enterprise-scale mobile application projects.
What you’ll do
Design, develop, and maintain scalable backend services and secure REST APIs for React Native mobile applications. Integrate backend systems with databases, third-party services, and enterprise platforms while optimizing for performance and reliability.
Requirements
Requires over 5 years of backend development experience with strong proficiency in Node.js and various SQL/NoSQL databases. A Bachelor's degree in Computer Science or a related field is required along with experience in cloud platforms and API security.
Listed skills
- Microsoft AzurePreferred
- MySQLPreferred
- Node.jsPreferred
- CI/CDPreferred
- PostgreSQLPreferred
- JavaScriptPreferred
- TypeScriptPreferred
- Amazon Web ServicesPreferred
- MongoDBPreferred
- Google CloudPreferred
- GitPreferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Node.js
- Express.js
- JavaScript
- TypeScript
- RESTful APIs
- PostgreSQL
- MySQL
- MongoDB
- AWS
- Azure
- GCP
- OAuth
- JWT
- CI/CD
- Git
- React Native
Job areas
- Software
- Technology
- Engineering
- Consulting
Additional details
- Minimum education
- Bachelor’s degree
- Minimum experience
- 5+ years
- Apply by
- Feb 22, 2027
- Posting language
- English
- Working hours
- 40 hours per week
- Seniority
- Mid-Senior level
- Application method
- Direct apply is available