Senior Integration Specialist

Stafingo is hiring for a Senior Full Stack Developer (Senior Integration Specialist) in Toronto!

Location: Toronto, ON | Hybrid – 3 days onsite, 2 days home

Start Date: October 9th, 2026

End Date: April 8th, 2027

Contract Extension: Up to 6 months

Number of positions: 1 position

Compensation : $85/hr T4 – $105/hr INC

Submission Deadline: Monday, October 5th @ 2:00 PM

We are seeking an experienced Senior Full Stack Developer / Enterprise Integration Specialist to support a major technology modernization initiative in Toronto. The successful candidate will design, develop, and implement secure, scalable enterprise applications and API-based integration solutions across a complex technology environment.

Key Responsibilities :

• Design, develop, test, deploy, and maintain enterprise applications and integration solutions.
• Develop and support secure REST APIs and modernize legacy applications and services.
• Design and implement enterprise integration solutions using Java, Apache Camel, MuleSoft**, and API-led connectivity.
• Develop scalable integrations using JSON/XML and data transformation technologies.
• Support cloud-based solutions and integrations across Azure services and containerized environments.
• Develop and optimize SQL Server databases, queries, stored procedures, indexes, and performance solutions.
• Implement secure authentication using JWT/OAuth2.
• Perform production troubleshooting, root-cause analysis, performance tuning, and defect resolution.
• Support CI/CD, DevOps, Git-based source control, automated testing, and code reviews.
• Prepare technical specifications, architecture/design documentation, data-flow diagrams, test plans, and related deliverables.
• Collaborate with architects, business analysts, QA, infrastructure teams, and business stakeholders throughout the solution lifecycle.

Must-Have Skills :

• Strong Enterprise Integration experience.
• Advanced Apache Camel, MuleSoft, Enterprise Java, REST APIs, and JSON/XML.
• Strong experience designing and supporting MuleSoft integration flows, APIs, and reusable services.
• Hands-on experience with OpenShift/Kubernetes and containerized deployments.
• Strong SQL and enterprise database experience.
• Experience with integration patterns including retries, monitoring, fault tolerance, and Dead Letter Queues (DLQ).
• Strong Azure, DevOps, CI/CD, Git, and automated testing experience.
• Ability to translate business requirements into technical integration specifications and architecture.
• Degree/diploma in Computer Science, Engineering, or a related discipline.
• Public sector experience.

Nice to Have :

• AWS experience, including Lambda, SQS, and S3.
• Experience integrating CRM, ERP, asset management, document management, training, or regulatory systems.
• Public sector experience
• Experience with application modernization and migration from legacy platforms to cloud-based solutions.
• Experience with infrastructure-as-code and API-led architecture.

Interested candidates are encouraged to apply with an updated resume highlighting their MuleSoft, Apache Camel, Java, OpenShift/Kubernetes, Azure, API integration, and enterprise modernization experience. Apply to the job posting directly or send your resume to harpreet@stafingo.com for immediate consideration.