Senior Solutions Designer

We are seeking an experienced Senior Solutions Designer to lead the architecture, design, and technical direction for enterprise integration platforms and complex backend systems. In this role, you will bridge client business requirements and technical delivery, designing highly available, mission-critical solution architectures. Acting as a technical lead, you will oversee end-to-end backend integration, guide developers, design data models, and architect message-oriented middleware solutions utilizing Spring Integration, ESB technologies, and Azure cloud integration services.

Location: Toronto, ON (Fully Onsite – 5 days/week required)

Duration: 6-month contract.

Advantages
Technical Leadership Role: Step into a senior Team Lead position guiding developers and shaping enterprise architecture.

Complex Integration Ecosystem: Architect solutions combining Spring Integration, IBM ACE/MuleSoft ESBs, and Azure cloud integration tools.

End-to-End Design Ownership: Own the complete design lifecycle from initial UML modeling and prototyping to technical go-live.

Dedicated Onsite Collaboration: Work directly alongside senior architects and business partners in a focused, 5-day per week workspace.

Responsibilities
Solution Architecture & Technical Leadership: Lead the end-to-end design and technical specification of complex, highly available enterprise applications and hosting technology solutions.

Backend & API Design: Architect robust backend architectures, RESTful Web Services, and relational database schemas using Java/JPA, Hibernate, SQL, and PL/SQL.

Enterprise Integration: Design message-oriented middleware architectures and enterprise service bus (ESB) flows utilizing technologies such as IBM App Connect Enterprise (ACE) or MuleSoft.

Cloud & Messaging Solutions: Implement asynchronous and event-driven messaging solutions leveraging Spring Integration, JMS, AMQP, and REST APIs within Microsoft Azure integration environments.

System Analysis & Modeling: Gather technical requirements, translate business needs into system specifications, and construct UML design models, use cases, and solution prototypes.

Team Leadership & Technical Guidance: Serve as Team Lead, mentoring developers, directing technical task execution, facilitating design discussions, and reviewing code and architecture artifacts.

Performance & Governance: Conduct system performance assessments, capacity evaluations, and risk analyses while ensuring solutions adhere to enterprise security, recovery, and architecture standards.

Qualifications
Backend Design Seniority: 10+ years of hands-on backend design and development experience using REST Web Services, JPA, Hibernate, relational databases, SQL, and PL/SQL (Strictly Required).

Technical Team Leadership: Proven experience acting as a Team Lead, facilitating technical discussions, and directing development teams (Strictly Required).

Spring Integration Expertise: In-depth knowledge of the Spring Framework—specifically Spring Integration—with demonstrated experience architecting integration solutions (Strictly Required).

Middleware & ESB Platforms: Strong hands-on experience designing solutions with message-oriented middleware and Enterprise Service Bus (ESB) platforms such as IBM App Connect Enterprise (ACE) or MuleSoft (Strictly Required).

Cloud & Messaging Protocols: Practical experience with cloud-based integration solutions and messaging technologies (JMS, AMQP, REST) within Microsoft Azure integration contexts (Strictly Required).

System Modeling & Analysis: Proven expertise in system analysis, requirement gathering, use case design, UML modeling, and database modeling (Oracle, SQL Server) (Strictly Required).

Nice-to-Have Assets:
Prior experience designing enterprise solution architectures within public sector environments.

Familiarity with formal project management methodologies (e.g., PMBOK) and cost-benefit analysis.

Summary
If you're interested in the "Senior Solutions Designer" 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.