Systematix

We are Systematix and we are currently looking for a Senior Software Developer for our client.

ABOUT THE PROJECT:
Our client is seeking a Senior Software Developer to support enterprise-level application development within a large public sector environment. This role focuses on designing, developing, and maintaining scalable web-based applications and API integrations, supporting ongoing modernization and enterprise integration initiatives.

The Senior Software Developer will work across the full Software Development Life Cycle, contributing to application design, coding, testing, and deployment, while collaborating with technical and business stakeholders to deliver high-quality, secure, and maintainable solutions.

ABOUT THE RESPONSIBILITIES:

• Translate technical system specifications into working, tested applications, including detailed programming specifications and code development
• Develop, maintain, and test data-driven programs and enterprise applications
• Resolve and troubleshoot technical issues arising from software usage, implementation, and migrations
• Collaborate with IT professionals throughout the Software Development Life Cycle
• Design, code, test, debug, and document applications following structured development methodologies
• Develop and implement API integrations and RESTful web services within enterprise environments
• Support application deployment, maintenance, and post-implementation activities
• Participate in design walkthroughs, technical reviews, and stakeholder discussions
• Ensure application performance, scalability, and maintainability using modern design patterns and object-oriented practices
• Support production issue resolution and system enhancements

REQUIREMENTS:
Must-have:

• 10+ years of experience developing large-scale multi-client web applications
• Strong hands-on experience with Java development and relational databases (Oracle or SQL)
• 5+ years of experience in RESTful API development, integration design, and implementation
• Experience with API platforms such as IBM API Connect, MuleSoft, or Azure API Management
• Strong understanding of microservices architecture and event-driven design
• Experience across the full Software Development Life Cycle
• Strong experience with relational and hierarchical database technologies and SQL query languages
• Experience using Azure DevOps and Agile methodologies
• Strong knowledge of object-oriented design principles, design patterns, and clean coding practices
• Experience with security protocols such as JWT, OAuth2.0, and SSL certificates
• Strong analytical, problem-solving, and communication skills

Nice-to-have:

• Experience with Oracle E-Business Suite modules such as GL, AR, AP, Inventory, and Collections
• Experience with PL/SQL, XML, Unix shell scripting, and Oracle Data Integrator
• Experience with data warehouse, ETL methodologies, and OBIEE
• Experience with Java frameworks such as Oracle ADF
• Knowledge of middleware, gateways, and internet-ready applications
• Experience with rapid application development (RAD) methodologies
• Experience with AODA and accessibility standards
• Experience providing post-implementation support and technical documentation
• Experience conducting design walkthroughs and peer reviews
• Public sector experience

ABOUT THE ROLE:
Location: Onsite – Toronto, ON (222 Jarvis St.)
Duration: May 4, 2026 – October 30, 2026
Closing Date: May 7, 2026, 12 pm
Work hours: Full-time, Monday to Friday (7.50 hours/day)
Security level: No clearance required

PAY DISCLOSURE:
The average hourly pay range for this field is as follows:

• Junior: $80–$88/hr
• Intermediate: $88–$95/hr
• Senior: $95–$100.63/hr

Compensation is commensurate with these standards; exceptions may apply based on experience, skills, and market conditions.

AI DISCLOSURE:
We may use artificial intelligence (AI) or other automated tools to support parts of our recruitment process. No automated tools make hiring decisions.

APPLY NOW:
If you are interested in finding out more, please contact us or submit your resume. Or, if you know someone who meets these qualifications, please forward this assignment.

ABOUT SYSTEMATIX:
Systematix is one of Canada's largest privately-owned consulting firms.

Systematix. Solution Focused. People Driven.
 

BH 22152