Senior Java Full Stack Developer sought for five days onsite in Toronto, building secure enterprise applications with REST APIs and microservices.

Working with the Government Services Integration Cluster, this senior developer designs and maintains platform capabilities across frontend, backend, API, workflow, integration, and data-access layers. The assignment supports reusable services and connections for government programs. Responsibilities include secure development, testing, deployment, troubleshooting, documentation, technical guidance, and production support.

Key Responsibilities:

- Design and develop Java microservices and RESTful web services
- Build frontend, backend, workflow, integration, and data-access components
- Implement security gateways, identity integration, tokens, and certificates
- Create automated unit, integration, API, database,



and user-interface tests
- Provide code reviews, technical guidance, troubleshooting, and production support

Requirements:

- Ten or more years designing large-scale, multi-client web applications
- Extensive Java experience with Oracle, SQL, or relational databases
- Experience with REST APIs, microservice architecture, and Internet-ready applications
- Knowledge of OAuth 2.0, JSON Web Tokens, and SSL certificates
- Experience with Azure DevOps, Agile methods, clean code, and testing

Apply senior Java, REST API, microservices, database, and security expertise to enterprise government platform development in Toronto.

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📌 Senior Java Full Stack Developer (Toronto)
🏢 Cleo Consulting
📍 Toronto