Build scalable enterprise applications onsite in Toronto using Java, Spring Boot, React, and Angular across full-stack delivery. Lead secure APIs and responsive interfaces.
This senior contract role spans application architecture, technical delivery, and full-lifecycle software development. You will connect business requirements with backend architectures, contemporary frontends, and relational or NoSQL platforms. The work includes enterprise solutions, automated testing, CI/CD, and Microsoft Azure services.
Key Responsibilities: Translate requirements into secure, scalable enterprise applications
Develop Spring Boot microservices, RESTful APIs, and batch processes
Build accessible React, Angular, TypeScript, and JavaScript interfaces
Optimize PostgreSQL, PL/pgSQL,



and Azure Cosmos DB structures
Execute testing, troubleshooting, deployments, and system integrations
Requirements: Minimum 10+ years developing n-tier enterprise software
Deep Java, Spring Boot, and microservices architecture expertise
Proficiency with React or Angular and TypeScript
Experience with PostgreSQL, Azure Cosmos DB, and ORM frameworks
Testing experience using JUnit 5, Mockito, Jest, or Playwright
Apply senior full-stack engineering expertise across Java, Spring Boot, frontend frameworks, databases, testing, and enterprise delivery.

#J-18808-Ljbffr

📌 Senior Full Stack Java Developer (Ontario)
🏢 Randstad
📍 Ontario