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Added 5 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong expertise in IBM App Connect Enterprise (ACE), IBM Integration Bus (IIB), WebSphere Message Broker, IBM MQ, .NET application…
Added 5 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- 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…
Added 5 days ago
D
Manager: Technical Lead/Senior Developer- AI, Data & Analytics- AIDA (Toronto/Calgary)
Deloitte
Toronto, ON
- Full-time
Own engineering practices across testing, CI/CD, documentation and code quality; lead architecture and design reviews and mentor developers across the team.
Added 5 days ago
SS
DevOps Technical Team Lead, VP
State Street
Toronto, ON
- Full-time
We are seeking a Technical Team Lead to own the technical direction and delivery of our Client CI/CD platform. The platform enables customers to build, validate, and deploy CRIMS…
Added 5 days ago
Senior Full Stack Developer (Hybrid | Downtown Toronto, CAD)
Radiology Partners
Toronto, ON
Lead technical execution through code reviews, architectural guidance, troubleshooting, production monitoring, and mentoring of software engineers.
Added 5 days ago
HT
Senior Technical Recruiter
High Tech Genesis
Ottawa, ON
- Full-time
The successful candidate will lead full-cycle technical recruitment across both the private and public sectors, specializing in IT, software development, infrastructure, and hardware…
Added 5 days ago
IS
Sr. .Net Developer/Lead
Iris Software Inc.
Toronto, ON
- Contract
Minimum 10+ years of experience using .NET technology stack to develop, implement, and maintain front-end to back-end cloud (Openshift) and Windows hosted application components.
Added 5 days ago
RC
Senior Dynamics 365 Developer
Realtek Consulting LLC
Montreal, QC
- Full-time
We’re looking for a Dynamics 365 Lead Developer with strong expertise in Microsoft Dynamics 365 Customer Service, Power Platform, Azure services, and modern CI/CD practices to join our team…
Added 5 days ago
AI
Robotic Process Automation Consultant
Apptoza Inc.
Toronto, ON
- Contract
We are seeking an experienced Senior RPA UiPath Developer to design, develop, deploy, and support enterprise-scale automation solutions. The ideal candidate will have strong technical…
Added 5 days ago
MI
Senior Software Developer
Maarut Inc
Toronto, ON
- Contract
A Senior Software Developer is required to provide the IT technical expertise to support JTS’ ongoing sustainment and enhancement of police systems, ensuring reliable integration,…
Added 5 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- 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…
Added 6 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 6 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- 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…
Added 6 days ago
FT
Lead Software Engineer
Foreseeson Technology
Richmond, BC
- Full-time
We are seeking an out-of-the-box thinking Lead Software Engineer to join our innovative technical projects team. The ideal candidate will have strong expertise in; building code…
Added 6 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong expertise in IBM App Connect Enterprise (ACE), IBM Integration Bus (IIB), WebSphere Message Broker, IBM MQ, .NET application…
Added 6 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong expertise in IBM App Connect Enterprise (ACE), IBM Integration Bus (IIB), WebSphere Message Broker, IBM MQ, .NET application…
Added 6 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong expertise in IBM App Connect Enterprise (ACE), IBM Integration Bus (IIB), WebSphere Message Broker, IBM MQ, .NET application…
Added 6 days ago
OH
Senior Quality Assurance Engineer
Ontario Health | Santé Ontario
Toronto, ON
- Full-time
Lead testing activities for complex projects, including assessing requirements, estimating testing efforts and deliverables, developing test plans, scenarios, test cases and test data, and…
Added 6 days ago
R&
Senior Full Stack Software Developer
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled Senior Full Stack Software Developer to join our client in support of an existing vacancy.
Added 6 days ago
AC
Full-time Solution Architect, Student Information Systems
Algonquin College of Applied Arts and Technology
Ottawa, ON
- Full-time
The incumbent will be the lead resource accountable for the ongoing support and improvement of the new SIS, including all system integrations and automated solutions, and functionality both…
Added 6 days ago
FS
Senior Platform Engineer, Performance Management
Four Seasons Hotels and Resorts
Toronto, ON · Four Seasons Corporate Headquarters Toronto
- Full-time
Lead platform regression-test planning and governance, coordinating execution and business validation across delivery partners and business teams.
Added 6 days ago
SD
Middleware Developer
Symbiotic Digital
ON · Downtown Toronto (Central Bay Street), Ontario
- Contract
We are seeking a Senior Software Developer to provide
Added 6 days ago
OH
Senior Quality Assurance Engineer
Ontario Health
Toronto, ON
- Full-time
Lead testing activities for complex projects, including assessing requirements, estimating testing efforts and deliverables, developing test plans, scenarios, test cases and test data, and…
Added 6 days ago
IF
Solution Architect, Digital Products
iA Financial Group
Montreal, QC · Quebec, QC
- Full-time
Lead architecture reviews and contribute to technology governance and decision-making.
Added 6 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…

Symbiotic Digital

Middleware Developer

ON, Canada
Downtown Toronto (Central Bay Street), ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Oct 20, 2026

Original job description

Position: Middleware Developer

Location: Toronto, ON

Job ID#: RQ11775

Duration: 11 Months

Role Overview

We are seeking a Senior Software Developer to provide technical expertise supporting the ongoing sustainment, enhancement, integration, and performance of mission-critical enterprise applications. The successful candidate will contribute to application development, system integration, automation, and database solutions while ensuring reliable service delivery across complex environments.

Security Requirement:

This role requires a valid OPP Level 4 Security Clearance. Please note that obtaining clearance may require 8+ weeks after contract award.

Work Arrangement:

This position is currently designated as onsite, working 7.25 hours per day between 8:00 AM and 5:00 PM, Monday through Friday.

Key Responsibilities

Lead application design and systems analysis activities.
Develop web-based applications using:
- .NET
- VB.NET
- C#
- JavaScript
- Oracle
- Microsoft SQL Server
- Azure DevOps
Design and implement enterprise integration and interface solutions using:
- IBM ACE
- IBM Integration Bus (IIB)
- Oracle
- Microsoft SQL Server
- .NET
- ESQL
- WCF
Support and develop IBM ACE message flows.
Provide technical expertise in Oracle, SQL Server, and PL/SQL database environments.
Develop, test, troubleshoot, and deploy integration solutions.
Create automation and scripting solutions using PowerShell.
Design, develop, and manage REST and SOAP APIs.
Work with JSON, XML, and XSLT technologies.
Configure and manage reverse proxy and forward proxy services.
Administer Apache server configurations.
Collaborate with technical teams and stakeholders to communicate technical concepts effectively.
Apply analytical thinking and problem-solving skills to address integration and development challenges.

Mandatory Qualifications

Proficiency with:
- IBM ACE
- IBM Integration Bus (IIB)
- WebSphere Message Broker
- IBM MQ
Experience with web-based .NET application development technologies and frameworks.
Knowledge of integration technologies and protocols such as REST and SOAP.
Strong PowerShell scripting and automation expertise.

Desired Skills and Experience

Strong background managing Oracle databases and PL/SQL development.
Experience with reverse and forward proxy services and server administration.
Working knowledge of ArcGIS and ArcGIS API.
Experience with APIs and spatial data management.
Familiarity with Java development.
Strong communication and collaboration skills.
Excellent analytical and problem-solving capabilities.

Evaluation Criteria

IBM ACE Technology (30 Points)

Experience with:

IBM ACE
IBM Integration Bus (IIB)
WebSphere Message Broker
IBM MQ

.NET Development (30 Points)

Experience with web-based .NET application development technologies and frameworks.

Integration Experience (20 Points)

Experience with integration technologies and protocols including REST and SOAP.

PowerShell Scripting (20 Points)

Strong automation and scripting experience using PowerShell.

Knowledge Transfer

The successful candidate will be responsible for

transferring:

Code developed during the assignment
Technical documentation
Supporting implementation documentation

About Symbiotic Digital.

Symbiotic Digital provides the IT Experts you need that solve problems and get things done. See what the top 2% in their field can do for you. (Symbiotic Digital is a division of Symbiotic Group Inc.) We serve

customers in two ways, we provide:

Digital Experts: IT Consulting expertise. Bright Minds That Produce Proven Results
Recruitment: Find The Right People You Need

Serving IT & Business leaders, Symbiotic Digital provides a business system that enable us to provide the Expert Technical staff needed to solve challenging business and IT problems. IT leaders in the most reputable organizations in Canada have relied on Symbiotic Digital to help them staff difficult assignments with proven Experts uniquely evaluated by our proven QMS- Quality Management System Staff Development Model. We are a 100% Indigenous owned company.

Learn more online at https://www.symbioticgroup.com/home-sd/.

Please submit your most recent resume to: RecDep@symbioticgroup.com

View All Jobs online at: https://www.symbioticgroup.com/view-jobs/

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More about this job

Responsibilities

The developer will lead application design and systems analysis while supporting the sustainment and integration of mission-critical enterprise applications. They are responsible for developing web-based solutions, managing message flows, and creating automation scripts to ensure reliable service delivery.

Requirements

Candidates must possess strong proficiency in IBM ACE, IBM Integration Bus, and .NET development frameworks. The role requires a valid OPP Level 4 Security Clearance and expertise in integration protocols like REST and SOAP.

Skills

IBM ACE
IBM Integration Bus
WebSphere Message Broker
IBM MQ
.NET
C#
VB.NET
Oracle
SQL Server
PowerShell
REST
SOAP
API Development
JSON
XML
XSLT

Visa sponsorship

Not detected in the job text

Keywords

Middleware Developer
IBM ACE
IBM Integration Bus
WebSphere Message Broker
IBM MQ
.NET
C#
VB.NET
Oracle
SQL Server
Azure DevOps
ESQL
WCF
PowerShell
REST
SOAP
API
JSON
XML
XSLT
Apache
Reverse Proxy
Forward Proxy
PL/SQL
ArcGIS
Spatial Data
Java
System Integration
Automation
Security Clearance

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