*Senior Full-Stack Developer – Java / Spring Boot & React (WTL, ON)

Senior Full-Stack Developer
Java / Spring Boot & React
Build scalable cloud-native applications supporting mortgage and lending solutions in the insurance sector. This hybrid opportunity in Toronto or Waterloo offers the chance to work with Java Spring Boot, React, Azure, microservices, and modern API technologies within a collaborative agile environment.
What is in it for you:•Salaried: $60-65 per hour.
• Incorporated Business Rate: $70-75 per hour.
• 5-month contract with the potential for permanent employment.
• Full-time position: hours per week.
• Day schedule, hours per week.
• Hybrid work, with 2 days per week in the office.
Responsibilities:
• Design and develop backend services supporting end-to-end mortgage and lending workflows using Java Spring Boot and cloud-native patterns.
• Build and maintain workflow orchestration solutions using Camunda 8, including BPMN models, connectors, and workers.
• Translate complex lending processes into scalable and executable workflows in collaboration with business and technical teams.
• Ensure workflow implementations are resilient, traceable, and aligned with enterprise architectural standards.
• Design, implement, and maintain API-first services using OpenAPI standards.
• Build secure APIs leveraging OAuth, identity management, and role-based access controls.
• Implement resilience patterns, including circuit breakers, retries, and timeouts to ensure system stability.
• Support integrations using REST, messaging, and event-driven architectures.
• Develop and deploy services within cloud environments, preferably Microsoft Azure, using services such as API Management, Key Vault, and managed identities.
• Contribute to cloud-native deployments using containers and Helm charts.
• Support and enhance platforms deployed within Kubernetes environments, including AKS where applicable.
• Contribute to platform scalability, reliability, and operational readiness.
• Implement telemetry, logging, metrics, and distributed tracing to support system observability.
• Use tools such as New Relic and ELK Stack to monitor performance, diagnose issues, and support production readiness.
• Partner with QA and performance teams to optimize system behavior and remediate bottlenecks.
• Follow DevSecOps practices, including CI/CD pipelines, automated testing, and security scanning practices such as SAST and SCA.
• Apply TDD, BDD, and DDD principles to deliver maintainable and high-quality code.
• Participate in code reviews, design discussions, and architectural decision-making activities.
• Ensure solutions comply with enterprise security, compliance, and risk requirements.
• Collaborate closely with business analysts, QA engineers, architects, and product owners within agile delivery teams.
• Participate in sprint planning, backlog refinement, and technical estimations.
• Identify and communicate risks, dependencies, and improvement opportunities proactively.
What you will need to succeed:• Bachelor’s degree in Computer Science, Engineering, or a related technical field.
• 5–10 years of professional software development experience with strong full-stack development expertise, including Java Spring Boot, React, and cloud-native application development.
• Experience delivering solutions within mortgage, lending, or regulated financial services environments is considered an asset.
• Strong experience developing modern frontend applications using React.
• Experience building scalable full-stack applications using Java Spring Boot and React.
• Strong understanding of frontend architecture, state management, API integration, and responsive UI development.
• Experience with workflow orchestration platforms such as Camunda is considered an asset but is not required.
• Experience with Camunda 8, BPMN, or workflow automation technologies is considered an asset.
• Expert knowledge of implementing microservices using Java Spring Boot.
• Expert knowledge of API-driven development, including OpenAPI standards, OAuth, and resilience patterns such as circuit breakers and retries.
• Strong expertise in REST, messaging, data event streaming, and distributed tracing.
• Experience implementing fault-tolerant and resilient distributed systems.
• Experience using telemetry and observability tools such as New Relic and ELK Stack.
• Experience working with cloud services, preferably Microsoft Azure, including APIM, Key Vault, and identities.
• Strong understanding of cloud-native development, containerization, Kubernetes-based deployments, and Helm charts.
• Experience working with Agile delivery methodologies, TDD/BDD/DDD principles, and DevSecOps practices, including CI/CD pipelines, SAST/SCA scans, and mitigation processes.
• Strong analytical and problem-solving skills within complex distributed systems environments.
• Excellent communication skills with the ability to collaborate effectively with technical and non-technical stakeholders.
• Ability to work effectively within fast-paced environments with evolving requirements.