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 up-to-date 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 layersBuild scalable Java microservices, REST APIs, and web servicesOptimize relational databases, queries, and data transformation pipelinesImplement OAuth 2.0, JWT, SSL,



and identity integrationsMaintain Azure DevOps pipelines and automated deployment scriptsRequirements:
Ten or more years designing large-scale multi-client web applicationsExtensive hands-on Java and relational database development experienceSignificant REST API and microservices architecture experienceExperience with security gateways, JWT, OAuth 2.0, and SSLExperience with SQL tuning, middleware, conversion, and data migrationApply senior Java development, microservices, database optimization, and security expertise to enterprise applications in Toronto.
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📌 Senior Java Full Stack Developer Winnipeg (Canada)
🏢 randstad canada
📍 Canada