We are seeking a highly experienced Senior Solutions Designer to lead the technical design, backend architecture, and system integration of large-scale enterprise applications. In this role, you will translate complex business and functional requirements into robust, high-availability hosting and application solutions. Working across n-tier web architectures, middleware platforms, messaging protocols, and database systems, you will design secure enterprise integration patterns, oversee data transformations, conduct feasibility analyses, and ensure full alignment with corporate architecture standards.
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Location: Toronto, ON (Fully Onsite – 5 days/week required)
Duration: 6-month contract.
Advantages
Enterprise Integration Architecture: Lead backend design for complex COTS integrations, ESB middleware, and Spring ecosystems.
Modern Integration Protocols: Hands-on architectural focus across REST APIs, messaging queues, XML/XSLT transformations, and Azure cloud integration.
Full-Lifecycle Design Ownership: Own technical solution design end-to-end—from initial requirements gathering and UML modeling to performance tuning.
Predictable Onsite Synergy: Collaborate closely with development teams and business stakeholders in a dedicated 5-day onsite workspace.
Responsibilities
Lead the end-to-end technical solution design for large, complex enterprise applications and hosting environments based on business requirements and technical standards.
Architect and design backend integration solutions utilizing RESTful Web Services, Spring Integration, Hibernate, JPA, and Message-Oriented Middleware (such as IBM App Connect Enterprise or MuleSoft).
Design, build, and debug complex data transformation workflows using XSLT, XQuery, XPATH, XML/XSD, and specialized XSLT IDEs.
Develop detailed functional and technical requirements, UML models, system flow diagrams, and use cases for new and existing software solutions.
Engineer n-tier web-based application components and database interactions using SQL, PL/SQL, Oracle, and SQL Server platforms.
Design hybrid and cloud-based integration solutions using messaging protocols (JMS, AMQP, REST) within Azure environments.
Conduct system performance, capacity, and security evaluations to identify bottlenecks, guide system modernization, and mitigate technical risks.
Collaborate with cross-functional technical teams, facilitate architecture discussions, build solution prototypes, and author detailed technical design documentation.
Qualifications
COTS & Systems Integration Seniority: At least 10 years of experience in the design, development, and maintenance of large, complex COTS systems (such as Oracle Siebel, IBM Cúram, or Dynamics) (Strictly Required).
J2EE Integration Expertise: At least 10 years of experience in J2EE integration with major COTS systems alongside strong J2EE architectural design skills (Strictly Required).
Backend Development & Data Persistence: 10+ years of experience in backend design and development using REST Web Services, JPA, Hibernate, SQL, and PL/SQL (Strictly Required).
N-Tier Stack & Scripting Tools: Proven hands-on experience with n-tier web applications, Unix, Shell Scripting, Ant, JavaScript, HTML5, XML/XSD, and source control tools (Subversion or CVS) (Strictly Required).
XSLT & Data Transformation: Hands-on execution of XSLT/XQuery/XPATH transformations and experience creating/debugging XSL using XSLT IDEs (Strictly Required).
Middleware & ESB Architecture: Strong experience designing integration solutions using Spring Framework (Spring Integration), messaging queues (JMS, AMQP), and enterprise service buses (IBM ACE or MuleSoft).
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 accessibility@randstad.ca to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
show more
We are seeking a highly experienced Senior Solutions Designer to lead the technical design, backend architecture, and system integration of large-scale enterprise applications. In this role, you will translate complex business and functional requirements into robust, high-availability hosting and application solutions. Working across n-tier web architectures, middleware platforms, messaging protocols, and database systems, you will design secure enterprise integration patterns, oversee data transformations, conduct feasibility analyses, and ensure full alignment with corporate architecture standards.
Location: Toronto, ON (Fully Onsite – 5 days/week required)
Duration: 6-month contract.
Advantages
Enterprise Integration Architecture: Lead backend design for complex COTS integrations, ESB middleware, and Spring ecosystems.
Modern Integration Protocols: Hands-on architectural focus across REST APIs, messaging queues, XML/XSLT transformations, and Azure cloud integration.
Full-Lifecycle Design Ownership: Own technical solution design end-to-end—from initial requirements gathering and UML modeling to performance tuning.
...
Predictable Onsite Synergy: Collaborate closely with development teams and business stakeholders in a dedicated 5-day onsite workspace.
Responsibilities
Lead the end-to-end technical solution design for large, complex enterprise applications and hosting environments based on business requirements and technical standards.
Architect and design backend integration solutions utilizing RESTful Web Services, Spring Integration, Hibernate, JPA, and Message-Oriented Middleware (such as IBM App Connect Enterprise or MuleSoft).
Design, build, and debug complex data transformation workflows using XSLT, XQuery, XPATH, XML/XSD, and specialized XSLT IDEs.
Develop detailed functional and technical requirements, UML models, system flow diagrams, and use cases for new and existing software solutions.
Engineer n-tier web-based application components and database interactions using SQL, PL/SQL, Oracle, and SQL Server platforms.
Design hybrid and cloud-based integration solutions using messaging protocols (JMS, AMQP, REST) within Azure environments.
Conduct system performance, capacity, and security evaluations to identify bottlenecks, guide system modernization, and mitigate technical risks.
Collaborate with cross-functional technical teams, facilitate architecture discussions, build solution prototypes, and author detailed technical design documentation.
Qualifications
COTS & Systems Integration Seniority: At least 10 years of experience in the design, development, and maintenance of large, complex COTS systems (such as Oracle Siebel, IBM Cúram, or Dynamics) (Strictly Required).
J2EE Integration Expertise: At least 10 years of experience in J2EE integration with major COTS systems alongside strong J2EE architectural design skills (Strictly Required).
Backend Development & Data Persistence: 10+ years of experience in backend design and development using REST Web Services, JPA, Hibernate, SQL, and PL/SQL (Strictly Required).
N-Tier Stack & Scripting Tools: Proven hands-on experience with n-tier web applications, Unix, Shell Scripting, Ant, JavaScript, HTML5, XML/XSD, and source control tools (Subversion or CVS) (Strictly Required).
XSLT & Data Transformation: Hands-on execution of XSLT/XQuery/XPATH transformations and experience creating/debugging XSL using XSLT IDEs (Strictly Required).
Middleware & ESB Architecture: Strong experience designing integration solutions using Spring Framework (Spring Integration), messaging queues (JMS, AMQP), and enterprise service buses (IBM ACE or MuleSoft).
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 accessibility@randstad.ca to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
show more
