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#
- Oracle
- Microsoft SQL Server
- Design and implement enterprise integration and interface solutions using:
- IBM ACE
- 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
- 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

Experience with:

- IBM ACE
- WebSphere Message Broker
- IBM MQ
- 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)

- Solid automation and scripting experience using PowerShell.

Knowledge

📌 Middleware Developer (Toronto)
🏢 Symbiotic Group
📍 Toronto