Downtown Toronto (Central Bay Street), Canada | Posted on 07/27/2026 City Downtown Toronto (Central Bay Street) Country Canada Job Description Position: Integration Developer Location: Toronto, ON (Onsite) Job ID#: RQ10573 Duration: 12 Months Role Overview We are seeking a Senior API Software Developer/IntegrationDeveloper with 8+ years of experience responsible for creating and consumingAPIs to translate functional specifications into working, tested applications.The successful candidate will develop detailed programming specifications, userinterface designs, prototypes, write and/or generate code, compile data-drivenprograms, conduct unit testing, and debug code. Key Responsibilities Designand develop detailed RESTful API specifications, including endpoints,request/response models, authentication methods, and error handling. Buildclean, scalable, and secure REST APIs using Java and Spring Boot. Designand implement modular, independently deployable microservices. Developapplications that transform and route data based on business requirements. Createcomprehensive automated test coverage using tools such as JUnit, Mockito,or Test Containers. Designand implement productive relational database schemas. OptimizeAPIs for performance, response time, memory usage, and throughput. Implementsecure authentication and authorization mechanisms using OAuth2, JWT, andother security frameworks. Developcontainerized applications utilizing Docker and Kubernetes technologies. Implementmonitoring and logging solutions for operational visibility. Producetechnical documentation, deployment guides, and operational procedures. Participatein code reviews and mentor junior developers. Provideregular status updates on development progress and deliverables. Resolveproduction issues, regression defects,



and performance-related concerns. Participatein on-call support for production issues, including occasional weekendsupport. Assistwith troubleshooting and providing operational support as required. Mandatory Qualifications Extensiveexperience designing, building, and consuming REST APIs, including APIdocumentation and testing. Strongexpertise in integration patterns and integration solution developmentusing Spring Integration. Deepunderstanding of microservice architecture and scalable, highly availablesystems. Hands-onexperience with Azure services, messaging queues, event-drivenarchitecture, and asynchronous processing. StrongSQL skills with experience using relational databases such as SQL Serveror Oracle. Experienceimplementing OAuth2, JWT, SAML, and related authentication andauthorization technologies. Experiencetransforming data across formats including JSON, XML, and CSV. Abilityto apply data transformation techniques such as mapping and normalization. Desired Skills & Experience Strongproficiency in object-oriented and functional programming using modernJava. Extensiveexperience with Java, Spring Boot, and the Java development ecosystem. Strongknowledge of REST API standards, HTTP methods, status codes, and bestpractices. Experiencewith Spring Integration and enterprise integration technologies includingJMS and AMQP. StrongXML experience, including XSLT and XPath.



Experiencewith Azure Service Bus and event-driven architecture. Understandingof security best practices, authentication, authorization, and encryption. Strongexperience writing automated unit and API tests. Experiencewith Kubernetes, Helm, Docker, OpenShift, and container orchestrationtechnologies. Familiaritywith Agile methodologies such as Scrum and Kanban. Excellentcommunication and stakeholder engagement skills. Stronganalytical, troubleshooting, and debugging capabilities. Abilityto prioritize work and manage multiple responsibilities in a fast-pacedenvironment. Nice-to-Have Experiencewithin justice, law enforcement, regulatory, or other public sectorenvironments. Previousexperience working within government or public sector organizations. Work Arrangement Onsiterequirement: 5 days per week in Toronto, ON. About Symbiotic Digital. Symbiotic Digital provides the IT Experts you need thatsolve problems and get things done. See what the top 2% in their field can dofor you. (Symbiotic Digital is a division of Symbiotic Group Inc.) We servecustomers in two ways, we provide: DigitalExperts: IT Consulting expertise. Bright Minds That Produce Proven Results Recruitment:Find The Right People You Need Serving IT & Business leaders, Symbiotic Digitalprovides a business system that enable us to provide the Expert Technical staffneeded to solve challenging business and IT problems. IT leaders in the mostreputable organizations in Canada have relied on Symbiotic Digital to help themstaff difficult assignments with proven Experts uniquely evaluated by ourproven QMS- Quality Management System Staff Development Model. We are a 100%Indigenous owned company. #J-18808-Ljbffr

📌 Integration Developer - C$105,000 - C$115,000 A Year (Toronto)
🏢 Symbiotic Digital
📍 Toronto