Java expertise drives enterprise full-stack development in Toronto, with this fully onsite contract focused on secure APIs and scalable applications.

As a Senior Software Developer, you will design, develop, integrate, and maintain large-scale web applications. The work spans front-end, backend, workflow, API, and data-access layers using Java and modern web frameworks. You will build reusable platform services and microservices within an Agile workplace.

Key Responsibilities:

- Design and maintain enterprise application code across full-stack layers
- Build scalable Java microservices, REST APIs, and web services
- Optimize relational databases, queries, and data transformation pipelines
- Implement OAuth 2.0, JWT, SSL, and identity integrations
- Maintain Azure DevOps pipelines and automated deployment scripts

Requirements:

- Ten or more years designing large-scale multi-client web applications
- Extensive hands-on Java and relational database development experience
- Significant REST API and microservices architecture experience
- Experience with security gateways, JWT, OAuth 2.0, and SSL
- Experience with SQL tuning, middleware, conversion, and data migration

Apply senior Java development, microservices, database optimization, and security expertise to enterprise applications in Toronto.

📌 Senior Java Full Stack Developer (Toronto)
🏢 randstad canada
📍 Toronto