Senior Software Developer

We are seeking a highly accomplished Senior Software Developer for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier full-stack Java engineering, cloud microservices architecture, and technical team leadership capacity, specializing in designing, building, and deploying complex enterprise and public-facing applications.

As a Senior Software Developer, you will bridge the gap between technical architecture specifications, cloud infrastructure pipelines, and multidisciplinary software engineering squads. Operating fully onsite in Toronto, you will provide hands-on solution leadership, guide development direction, mentor intermediate/junior developers, and enforce clean coding and security standards. This position demands a technical authority with strong expertise in Java, Microsoft Azure cloud microservices, automated testing frameworks, and RESTful APIs who can ensure system reliability, high performance, and seamless delivery across the full development lifecycle.

Location: Toronto, ON

Assignment Type: Onsite (5 days per week)

Contract Duration: 11-month contract (with potential for extension)

Advantages
Technical Leadership & Mentorship: Lead development squads, conduct code reviews, and guide architectural direction.

Modern Cloud Stack: Architect and deploy Java microservices within Microsoft Azure cloud environments.

Full-Stack Engineering: Build end-to-end user interfaces, REST APIs, integration services, and database layers.

CI/CD & Quality Focus: Implement automated test suites (UI, API, database) and modern continuous delivery pipelines.

Responsibilities
Design, configure, develop, test, and maintain complex Java application components and cloud-based microservices in Microsoft Azure.

Provide technical leadership and solution guidance to multidisciplinary development teams, coordinating daily engineering activities and sprint tasks.

Mentor developers, conduct thorough code reviews, and enforce adherence to coding standards, security requirements, and technical specifications.

Build, test, and integrate RESTful APIs, web services, database components, and business logic layers.

Develop automated test suites across unit, integration, API, database, and user interface layers.

Establish and maintain continuous integration and continuous deployment (CI/CD) pipelines, configuration management, and application monitoring in Microsoft Azure.

Diagnose, troubleshoot, and resolve complex application defects, performance bottlenecks, security vulnerabilities, and integration failures.

Apply secure coding best practices to address vulnerability assessments and ensure solution compliance.

Support deployment activities, production-readiness evaluations, business acceptance testing, and post-implementation stabilization.

Estimate development effort, participate in solution design and release planning, and maintain comprehensive technical documentation.

Qualifications
Core Software Engineering & Technical Leadership Requirements
Technical Leadership & Mentorship: Proven experience leading development teams, guiding technical solution direction, coordinating development tasks, and mentoring developers.

Java Enterprise Development: Extensive hands-on experience developing, configuring, and maintaining complex enterprise or public-facing applications using Java.

Cloud & Microservices Architecture: Direct experience developing and deploying cloud-native microservices in Microsoft Azure, including CI/CD pipelines, configuration management, and monitoring.

APIs & Database Engineering: Hands-on experience designing and implementing user interfaces, RESTful APIs, integration patterns, and database components.

Automated Testing & Security: Experience building automated unit, API, UI, and database test suites alongside applying secure coding practices.

Troubleshooting & Maintenance: Strong expertise in root-cause analysis, defect triage, and optimizing application performance, maintainability, and reliability.

Preferred Assets & Delivery Methodologies
Agile Engineering: Solid grasp of object-oriented design patterns, structured methodologies, and Agile/Scrum delivery.

Public Sector Experience: Prior experience delivering enterprise software solutions within public sector environments is considered an asset.

Soft Skills & Delivery Attributes
Analytical Problem Solving: Superior diagnostic capabilities to resolve complex technical, integration, and security challenges.

Communication & Collaboration: Excellent written and verbal communication skills with a proven ability to present technical recommendations clearly to project leads and stakeholders.

Summary
If you're interested in the "Senior Software Developer" role based in Toronto, we encourage you to apply online at www.randstad.ca.
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 [email protected] to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies.