Java Developer

3 weeks ago


Ontario ON, Canada JSG (Johnson Service Group, Inc.) Full time

Job Title: Java Developer - Cloud & REST API FocusLocation: Onsite (Standard hours: Monday-Friday, 8:00 AM-5:00 PM)Type: Full-Time ContractJob OverviewWe are seeking an experienced Java Developer with strong expertise in REST API development and cloud-native architectures. In this role, you will design, build, and maintain scalable backend services using Java Spring Boot, ensuring seamless integration with modern cloud environments. The ideal candidate excels in microservice development, cloud deployment practices, and delivering high-quality, high-performance applications.Join a team working to transform how government services are delivered to businesses across jurisdictions.Key ResponsibilitiesDesign and develop RESTful APIs using microservice architecture.Build scalable, high-performance applications using Java Spring Boot.Develop SQL queries, scripts, and stored procedures; integrate backend services with databases.Ensure application performance, reliability, and security.Build and test Docker images and containers in local development environments.Implement modern DevOps practices, including CI/CD pipeline scripts for Azure DevOps.Write YAML configurations for application deployment and orchestration in Microsoft Azure.Deploy and integrate microservices on Azure platforms.Write clean, maintainable, testable code following best practices.Conduct unit testing, integration testing, issue investigation, and defect resolution across multiple environments.Collaborate with frontend developers and cross-functional teams to integrate backend services.Create and maintain clear technical documentation.Work effectively within an Agile development environment.Skills & Experience RequirementsTechnical Skills 5+ years of experience developing Java Spring Boot applications.Strong background in RESTful API design and microservice architecture.Extensive hands-on experience with SQL databases (MySQL, Oracle).Proficiency in writing SQL scripts and stored procedures.Familiarity with REST, SOAP, and application gateway integration.Experience with version control systems (Git) and collaboration platforms (GitHub, GitLab, Bitbucket).Knowledge of CI/CD tools such as Jenkins and Groovy scripting.Proven experience with Docker; strong understanding of Kubernetes.Experience with Infrastructure as Code (IaC) approaches.Experience with Azure DevOps, Azure Portal, and AKS (considered an asset).Understanding of application and cloud security best practices.Familiarity with API gateways, service discovery, and load balancing in cloud environments.Experience with REST API testing tools.Knowledge of hypervisors, virtualization, cloud computing fundamentals, and basic networking.Strong analytical and problem-solving skills.Cloud certifications (e.g., Microsoft Azure Developer) are highly desirable.Soft SkillsExcellent problem-solving abilities and attention to detail.Strong verbal and written communication skills.Ability to collaborate effectively in team settings.Adaptability and willingness to learn new technologies.Ability to prioritize tasks efficiently in an Agile workflow.Public Sector ExperienceKnowledge of GO-ITS standards and Enterprise Architecture within government systems (e.g., RGDMS).Nice to HaveExperience with serverless technologies (Azure Functions, Logic Apps).Familiarity with API gateways, service discovery, and cloud load balancing.Experience with event-driven architectures (RabbitMQ, Kafka, Azure Service Bus, Event Grid).Experience with cloud monitoring and logging tools (Azure Application Insights).Exposure to performance tuning and optimization of high-traffic cloud applications.


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