Senior Full Stack Software Developer

The Senior Software Developer - Full Stack is responsible for designing, developing, integrating, testing, deploying, and maintaining enterprise platform capabilities across multiple layers including user-interface, service, API, workflow, integration, and data-access. This role involves building reusable platform services to support various government programs and implementing service-specific connections for registries, permitting, payments, notifications, and identity management. The position requires collaboration with architects, product managers, UX designers, security teams, and other stakeholders to deliver secure, scalable, and maintainable software solutions while providing technical leadership and mentoring. Responsibilities:

• Design and develop frontend, backend, API, integration, workflow, middleware, and data-access components using approved patterns and standards.
• Build and maintain Java-based microservices, REST APIs, RESTful web services, and Internet-ready applications.
• Develop and maintain database objects, queries, data transformations, and integration components using relational or hierarchical databases.
• Implement security gateways and protocols including JSON Web Tokens, OAuth 2.0, SSL certificates, and identity integration.
• Create and maintain automated unit, integration, API, database, and UI tests.
• Participate in design walkthroughs, code reviews, impact assessments, estimation, backlog refinement, sprint and release planning.
• Review and modify build, configuration, deployment scripts; troubleshoot and resolve technical problems during all phases of development and deployment.
• Collaborate with cross-functional teams including business analysts, architects, UX designers, QA, DevOps, and security specialists.
• Provide post-implementation support, resolve production issues, and improve application performance and reliability.
• Prepare and maintain comprehensive user, system, technical, deployment, and support documentation.
• Provide technical guidance, mentoring, and quality oversight while adapting to changing priorities and meeting delivery commitments.

• Minimum ten years of experience designing and developing large-scale, multi-client web applications or equivalent senior development experience.
• Extensive hands-on Java development experience with Oracle, SQL, or comparable relational databases.
• Proficient in designing and developing REST APIs, RESTful web services, and microservice architectures.
• Experience with security gateways and protocols such as JSON Web Tokens, OAuth 2.0, SSL certificates, and secure communications.
• Strong knowledge of Agile methodologies, object-oriented design, design patterns, refactoring, clean code, and automated testing.
• Experience with Azure DevOps or similar tools for source control, build, testing, and deployment pipelines.
• Ability to translate technical specifications into secure, scalable, and maintainable software solutions.

• Experience with hierarchical database technologies and SQL tuning.
• Familiarity with middleware, gateways, communication protocols, data migration, and conversion activities.
• Strong written and verbal communication, analytical, problem-solving, decision-making, interpersonal, and negotiation skills.
• Ability to lead or participate in design walkthroughs and work effectively with diverse functional and technical teams.
• Experience providing post-implementation support and improving application performance and reliability.
• Knowledge of Ontario Public Service development standards, governance, security, accessibility, and information management.

• Core Software Development Experience - 40 Points
• Technical Skills and Security Protocols - 35 Points
• Communication and Team Collaboration Skills - 20 Points
• Public Sector Standards and Governance Knowledge - 5 Points

• Secure, scalable, and maintainable full-stack software solutions meeting approved designs and requirements.
• Reusable platform services supporting multiple government programs.
• Comprehensive automated tests including unit, integration, API, database, and UI tests.
• Technical documentation including system specifications, deployment guides, and support materials.
• Code reviews, design walkthroughs, and impact assessments documentation.
• Post-implementation support and production issue resolution reports.

• Minimum ten years of experience in large-scale, multi-client web application development.
• Extensive Java development experience with Oracle, SQL, or equivalent relational databases.
• Proven expertise in REST APIs, RESTful web services, and microservice architecture.
• Experience with security gateways and protocols including JSON Web Tokens, OAuth 2.0, and SSL certificates.
• Ability to work onsite for 5 days as required.

Preferred