Senior Middleware Specialist

Enormous Enterprise LLC; Toronto; Hybrid; CAD 120,000 - 160,000; Full time

Job summary

Enormous Enterprise LLC in Toronto, ON, Canada is seeking a Senior Middleware Specialist to lead complex integration and modernization efforts. The role involves 3 days onsite and 2 days remote, with visa considerations as noted.

You will leverage IBM DataPower, IBM App Connect Enterprise, Java Spring Boot microservices, OpenShift, and AWS to sustain and upgrade large-scale, mission-critical environments in regulated sectors.

Qualifications

• 7–10+ years of middleware engineering and platform upgrades.
• Experience sustaining large-scale, mission-critical environments in regulated sectors.
• Hands-on IBM DataPower, IBM App Connect Enterprise, Java Spring Boot microservices.
• AWS cloud services and CI/CD for containerized middleware on OpenShift.

Skills

Middleware engineering

Java Spring Boot

Platform upgrades

Regulated environments experience

Tools

IBM DataPower

IBM App Connect Enterprise

OpenShift

AWS

Job description

Company

Enormous Enterprise LLC

Location

Toronto, ON, Canada

Pay

DOE

Posted

September 01, 2026

Description

Senior Middleware Specialist

Location: Toronto, ON Canada

3 days onsite 2 days remote

Visa: Candidates with 12 months validity

Must Haves

• 7–10+ years of progressive, hands‑on experience in middleware engineering, integration services, or related technical domains, with a demonstrated ability to lead complex platform upgrades and modernization initiatives.


• Proven experience supporting and sustaining large‑scale, mission‑critical application environments across diverse technology stacks, preferably within highly regulated sectors such as healthcare or public service.


• Hands‑on expertise in the following technology stack: IBM DataPower (migrating from physical appliance to OpenShift Container Platform), and IBM App Connect Enterprise, Java Spring Boot microservices.


• Hands‑on experience with AWS cloud services and CI/CD pipeline development for deploying, automating, and managing containerized middleware solutions, including IBM DataPower, on OpenShift or cloud‑native platforms.

Location: 3 days in office