About The Role

We are hiring a Senior Software Developer to support a large-scale enterprise application modernization initiative with one of our public sector client. This role is ideal for an experienced full-stack developer with robust systems integration expertise, technical leadership experience, and a background delivering enterprise-level solutions in complex environments.

Key Responsibilities

- Collaborate with business analysts to perform requirements analysis.
- Design and develop conceptual, logical, and physical solution architecture.
- Create architecture artifacts and participate in architecture checkpoints.
- Conduct solution design and code walkthroughs.
- Develop, code, integrate, and deploy enterprise application components.
- Prepare technical documentation, user guides, and knowledge transfer materials.
- Develop and execute unit and integration test cases.
- Collaborate with QA teams on functional, performance, and security testing.
- Provide technical leadership and mentoring to developers, analysts, and testers.
- Troubleshoot, optimize, refactor, and enhance enterprise applications.
- Ensure solutions comply with architecture, security, and quality standards.

Must Have

- 10+ years of software development experience in enterprise multi-platform environments.
- Strong expertise with Java/JEE technologies, including JSP, Servlets, EJB, JDBC, JMS, JNDI.
- Extensive experience building full-stack,



multi-tier applications.
- Hands‑on experience with REST APIs, SOAP/WSDL Web Services, JSON, XML, and third‑party system integrations.
- Strong knowledge of enterprise architecture, systems analysis, design methodologies, and software development best practices.
- Experience with Oracle RDBMS, PL/SQL, and enterprise application servers such as WebSphere, WebLogic, and Tomcat.
- Experience using development and design tools such as Eclipse, IntelliJ IDEA, Visual Studio Code, MS Visio, or PowerDesigner.
- Proven ability to develop secure, scalable, and high‑performing enterprise solutions.
- Experience conducting solution design reviews, code walkthroughs, and technical documentation.
- Strong debugging, refactoring, optimization, and problem‑solving skills.
- Experience leading development teams and delivering enterprise‑scale projects.

Nice to Have

- Experience working within Ontario Public Sector (OPS) or other government environments.
- Knowledge of government architecture standards, security, and privacy guidelines.
- Familiarity with ITIL and project management methodologies.
- Experience working across multiple concurrent enterprise initiatives.
- Excellent stakeholder communication, consulting, and leadership skills.
- Experience mentoring technical teams and collaborating with external vendors and partners.

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📌 Software Developer (Toronto)
🏢 Teckhorizon
📍 Toronto