senior software developer.

We are seeking a highly accomplished Senior Software Developer to lead the translation of complex technical systems specifications into high-performing, deployable applications. In this role, you will write and optimize code across multi-tier web platforms and modern cloud analytics spaces. You will handle backend transactional data pipelines, manage enterprise integrations, and build analytical intelligence dashboards, ensuring overall system reliability and scalability.

Location: Toronto, ON (Onsite, 7.25 hours per day between 8:00 AM and 5:00 PM)

Duration: 9-month contract

Advantages
Diverse Technical Portfolio: Build highly marketable expertise by bridging foundational n-tier J2EE enterprise applications with cutting-edge Microsoft Databricks cloud analytics.

High-Impact Architecture: Influence core transactional databases and integration gateways handling vital enterprise data registries.

Structured Workspace: Benefit from a highly predictable, standard daytime corporate schedule within an elite engineering group in Toronto.

End-to-End Ownership: Run the full delivery gauntlet—from technical specification translation and logic customization through to performance tuning and deployment.

Responsibilities
Full-Stack Application Engineering: Translate complex technical systems specifications into working, fully tested applications. Author detailed programming specifications and write clean, data-driven code.

Middleware & Integration Architecture: Configure and maintain application workflows within an n-tier J2EE portal environment. Manage data transformations across Enterprise Service Buses (ESB) and IBM DataPower gateways using standards-based web services.

Advanced Database Development: Manage backend architectures utilizing Oracle databases. Construct optimized, complex SQL-based queries, stored procedures, and database triggers.

Analytics & Dashboard Engineering: Design, develop, and support high-performing analytical dashboards and big data pipelines within Microsoft Databricks.

Database Optimization: Review database structures and performance metrics to provide technical recommendations for optimizing schemas, data extractions, and reporting workflows.

Testing & Release Management: Complete rigorous unit testing, integration testing, and compilation activities. Maintain codebase stability and ensure seamless promotion across environments.

Collaborative Leadership: Act as a senior technical guide within cross-functional squads. Provide robust documentation and clear communication to align developers, architects, and business stakeholders.

Qualifications
Core Seniority: 8+ years of progressive professional experience navigating the entire Software Development Life Cycle (SDLC) in large enterprise landscapes.

Database Expertise: Advanced hands-on mastery of Oracle databases and writing highly structured, optimized SQL query languages.

Enterprise J2EE Environments: Strong background working within n-tier J2EE-based portal and web application server environments, utilizing ESBs, IBM DataPower, and standards-based XML/SOAP/REST web services.

Cloud Analytics Stack: Demonstrated experience building, fine-tuning, and maintaining data dashboards within Microsoft Databricks.

Artifact Production: Proven ability to generate clear technical blueprints, ERDs, schema definitions, and system documentation.

Analytical Problem Solving: Elite troubleshooting and debugging capabilities, with a proven track record of optimizing applications operating under strict technical and environmental constraints.

Desirable Skills
Hands-on configuration or development experience with Catalyst-based business registry or occupational registry systems and their underlying data models.

Prior experience navigating public sector I&IT architectures, privacy constraints, and delivery standards.

Summary
If you're interested in the Senior Software Developer role based in Toronto, we encourage you to apply online at Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

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