Back End Developer

Toronto, ON Hybrid (2 days per week in-person at Toronto office preferred) Skills: Digital : Amazon Web Service(AWS) Cloud Computing~Java Rest web services~Digital : Spring Boot Experience Required: 8-10 Years Must Have Design, develop, and maintain scalable backend services and RESTful APIs using Java (Spring Boot or similar frameworks) Build and deploy scalable containerized applications using Docker and AWS Fargate (ECS) Develop Cloud-native Architectures Leveraging AWS Services Such As ECS / Fargate API Gateway Lambda (as needed) S3, RDS, DynamoDB Amazon CloudWatch and X-Ray Develop Infrastructure as Code (IaC) using AWS CDK and CloudFormation Implement authentication using Amazon Cognito and OAuth2/JWT Collaborate with cross-functional teams to define, design, and ship new features Implement RESTful APIs and integrate with third-party services Optimize application performance, scalability, and security Monitor, troubleshoot, and resolve production issues Participate in code reviews, ensuring high-quality and maintainable code Implement CI/CD pipelines using tools like Jenkins, GitHub Actions, or AWS Code Pipeline Write and maintain unit, integration, and performance tests Good-to-Have Experience with serverless architectures Knowledge of observability tools (Prometheus, Grafana, ELK stack)