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Added 2 mins ago
Technical Operator
Chudleigh's Bakery
Milton, ON
Flawless execution of the daily operation of the peeler meeting production requirements.
Added 18 mins ago
SG
Software Engineer – Full-Stack (React, TypeScript, Java)
S&P Global
Toronto, ON
- Full-time
Architect and own full-stack product features end-to-end - from design and implementation through automated testing and production support - maintaining accountability for quality,…
Added 32 mins ago
ML
Industrial Engineering Specialist - Contract
Maple Leaf Foods Inc
Mississauga, ON
- $71,000 to $103,000 CAD / year
- Contract
Establishment of Labour Standards – Measure, document, track, and update standards to ensure the correct costing of labour, packaging, and raw materials at our production facilities
Added 32 mins ago
FS
Mechanical Designer
Fidus Systems
Canada
- Full-time
…presales scoping and estimation. You take pride in delivering production-ready designs, holding partners to a high standard of quality, and helping teammates…
Added 32 mins ago
HT
PD Software for Service
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- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
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FS
Mechanical Designer
Fidus Systems
Remote, Canada
- Full-time
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…presales scoping and estimation. You take pride in delivering production-ready designs, holding partners to a high standard of quality, and helping teammates…
Added 1 hour ago
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Director of Health, Safety & Environment
Clutch
Mississauga, ON
- Full-time
Clutch is hiring its first Director of Health, Safety & Environment to build and lead a best-in-class HSE function for a high-growth, multi-site production and logistics business. You will…
Added 2 hours ago
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Manufacturing Engineer II
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- Full-time
…reduce costs using knowledge of fabrication processes, tooling, production equipment, conferring with equipment vendors, engineering and production…
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Chief Revenue Officer (CRO) & Co-founder - AI for Small Law Firms
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The customer thesis has been validated through live pilots, and multiple deployments are moving into production evaluation. The next phase is proving in-production reliability, delivery…
Added 2 hours ago
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Senior Middleware Specialist
BuzzClan
ON · Ontario, Canada
- Contract
Assess and validate technical Change Requests (CRQs), update technical documentation, and support release promotions and production implementations.
Added 2 hours ago
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Associate Manager - Community Team (Assassin's Creed)
Ubisoft
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Support the Portfolio Lead in the daily management and operations of the Community team on an assigned portfolio of games. Provide recommendations on process and performance improvements,…
Added 3 hours ago
Assistant Cook - Full-time
COGIR Real Estate
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Communication Assistant
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Brantford, ON
- Full-time
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Added 3 hours ago
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CNC Machine Operator - Precision Equipment
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Added 4 hours ago
Director of Health, Safety & Environment
Clutch Technologies Inc.
Mississauga, ON
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- Full-time
Reporting to the General Manager, the Production and Facilities Manager is responsible for managing and planning all aggregate operations activities of various site locations.
Added 5 hours ago
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Orchard - VP, Client Services & Digital Transformation (Toronto)
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- $15,000 to $170,000 CAD / year
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Added 5 hours ago
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Manufacturing Operations Manager
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- Full-time
…different departments, identify constraints, make informed production decisions and lead employees through changes that improve efficiency and…
Added 5 hours ago
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Software Engineer – Full-Stack (React, TypeScript, Java)
S&P Global
Toronto, ON
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Architect and own full-stack product features end-to-end - from design and implementation through automated testing and production support - maintaining accountability for quality,…
Added 5 hours ago
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Manager, Product Manufacturing
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- Full-time
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Warehouse Associate Part-Time
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Complete additional tasks as assigned by the Line Lead or Warehouse Manager.
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Product Development Team Lead
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…diagnostic products are designed, engineered, and transferred into production with quality, compliance, and customer satisfaction always top of…
Added 5 hours ago
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Technical Consultant
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UNAVAILABLE, Ontario
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Own technical delivery. Lead configuration, deployment, integration, and data pipeline activities for assigned client workstreams from requirements through OAT and production.
Added 5 hours ago
CC
Director, Business Development, Mining - Eastern Canada | Directeur(trice), Développement des affaires
Compass Canada
Winnipeg, MB · Fredericton, NB · St. John's, NL · Halifax, NS · Ottawa, ON · Toronto, ON · Montreal, QC
- Full-time
Lead Generation/Prospecting: Identify and pursue new mining sector opportunities throughout Eastern Canada. Conduct market research, map key stakeholders, uncover emerging projects, and…

BuzzClan

Senior Middleware Specialist

ON, Canada
Ontario, Canada, Canada

Contract

Apply About employer

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Job details

Job type: Contract
Apply by: Dec 1, 2026
Experience: Minimum 7 years of experience working with middleware and integration technologies in complex enterprise environments.
Posting language: English
Posted: Nov 1, 2026

Original job description

Position Title: RQ11527 - Senior Middleware Specialist

Location : Toronto, ON

Mode: Contract

Client: Government Services Integration Cluster

Position Overview

A successful candidate will be responsible for ensuring seamless communication and integration between enterprise applications, systems, services, and infrastructure. This role requires strong expertise in middleware platforms, enterprise service buses (ESBs), API management, messaging technologies, cloud integration, DevOps practices, and application support.

The specialist will work closely with technical teams, business stakeholders, infrastructure teams, and application support groups to deliver secure, scalable, reliable, and high-performing integration solutions within a complex enterprise environment.

Key Responsibilities

Plan, design, develop, configure, deploy, implement, maintain, and upgrade enterprise middleware products and integration solutions.
Provide technical consulting, analysis, and troubleshooting for middleware platforms, application servers, web servers, message brokers, messaging services, and adapters.
Design and implement enterprise application integration solutions using synchronous, asynchronous, REST, SOAP, event-driven, and messaging-based integration patterns.
Install, configure, administer, tune, and optimize middleware software to ensure system reliability, scalability, availability, and performance.
Support API gateways, API management platforms, enterprise service buses, and integration services.
Develop and maintain technical design documents, configurations, scripts, code, deployment artefacts, and test cases.
Troubleshoot complex application, middleware, infrastructure, security, configuration, data integrity, and recovery issues.
Conduct functional, security, load, and stress testing, analyze results, and resolve identified defects and performance issues.
Participate in change management, release management, incident management, and problem management processes.
Assess and validate technical Change Requests (CRQs), update technical documentation, and support release promotions and production implementations.
Build and maintain automated CI/CD pipelines for application builds, testing, and deployment.
Support containerization and workload orchestration using technologies such as Docker and Kubernetes.
Deploy, configure, and manage cloud-native applications and services across Azure, AWS, or other cloud platforms.
Implement application monitoring, performance management, and operational support processes.
Collaborate with cross-functional teams to ensure successful delivery of integration initiatives within established timelines and quality standards.

Mandatory Skills and Experience

Core Middleware and Integration Experience

Minimum 7 years of experience working with middleware and integration technologies in complex enterprise environments.
Demonstrated experience designing, implementing, deploying, and supporting enterprise integration solutions using middleware platforms.
Strong understanding of enterprise integration patterns, including synchronous and asynchronous communication, REST, SOAP, event-driven architecture, and messaging.
Extensive experience troubleshooting complex issues across application, middleware, infrastructure, and integration layers.
Experience supporting mission-critical enterprise applications with high availability, scalability, security, and performance requirements.
Strong analytical and problem-solving capabilities in enterprise integration environments.

Technical Skills and Experience

Hands-on expertise with middleware platforms such as:
IBM App Connect Enterprise (ACE)
IBM WebSphere
MuleSoft
Azure Integration Services
Other Enterprise Service Bus (ESB) platforms.
Experience with API Gateway and API Management platforms, including IBM API Connect and Azure API Management (APIM).
Proficiency in messaging and event-driven integration technologies such as IBM MQ, Apache Kafka, JMS, and Azure Event Grid.
Familiarity with cloud platforms, including Microsoft Azure, AWS, or Google Cloud Platform (GCP), and hybrid integration environments.
Knowledge of enterprise security and authentication protocols, including OAuth 2.0, SAML, mutual TLS (mTLS), and API key-based authentication.
Experience integrating enterprise applications and COTS platforms such as SharePoint, Microsoft Dynamics CRM, Oracle Siebel, Curam, or equivalent enterprise solutions.
Hands-on experience with scripting and automation tools such as Shell, Python, Ansible, and Terraform.
Strong understanding of CI/CD pipelines, automation, and DevOps practices within middleware and integration environments.
Experience with middleware installation, configuration, administration, system tuning, and performance optimization.

Communication and Documentation Skills

Excellent verbal and written communication skills, with the ability to collaborate effectively with technical and non-technical stakeholders.
Proven ability to prepare comprehensive technical documentation, architecture diagrams, solution designs, configuration documents, and implementation plans.
Ability to translate business integration requirements into technical specifications and scalable solution designs.
Strong stakeholder management and collaboration skills.
Demonstrated ability to lead technical discussions, coordinate with cross-functional teams, and communicate complex technical concepts clearly.

Apply About employer

More about this job

Responsibilities

Design, deploy, administer, and support enterprise middleware and integration solutions, including APIs, messaging, and cloud-native services. Troubleshoot complex issues, optimize performance and reliability, maintain technical documentation, and support testing, releases, and automated deployment processes.

Requirements

Requires at least seven years of experience with middleware and enterprise integration in complex environments, including hands-on expertise with middleware platforms, API management, messaging, and integration patterns. Candidates should also have cloud, security, scripting, automation, CI/CD, performance optimization, documentation, and stakeholder collaboration experience.

Skills

Middleware
Enterprise Integration
IBM App Connect Enterprise
IBM WebSphere
MuleSoft
Azure Integration Services
API Management
IBM API Connect
Azure API Management
IBM MQ
Apache Kafka
JMS
Cloud Integration
CI/CD
Docker
Kubernetes

Visa sponsorship

Not detected in the job text

Keywords

Middleware
Enterprise Integration
Enterprise Service Bus
IBM App Connect Enterprise
IBM WebSphere
MuleSoft
Azure Integration Services
IBM API Connect
Azure API Management
IBM MQ
Apache Kafka
JMS
Azure Event Grid
REST
SOAP
Event-Driven Architecture
OAuth 2.0
SAML
Mutual TLS
Microsoft Azure
Amazon Web Services
Google Cloud Platform
Shell
Python
Ansible
Terraform
CI/CD
DevOps
Docker
Kubernetes

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