Senior Software Developer
About this role
We are seeking a Senior Software Developer (Integrations) to design, develop, and deliver scalable, high-performing integration solutions across enterprise systems. This role supports critical platforms within Transit Operations and enterprise technology portfolios by enabling real-time interoperability, API development, and cloud-based integrations. The ideal candidate brings strong technical leadership, hands-on development expertise, and the ability to translate business needs into robust technical solutions.
Design, develop, test, and implement integration solutions, APIs, and enterprise applications aligned with SDLC best practices
Lead technical analysis, architecture, coding, and deployment of scalable and secure systems
Develop and maintain system integrations across cloud and on-premise environments
Define and document technical specifications and interface designs
Collaborate with cross-functional teams, stakeholders, and vendors to deliver solutions
Ensure solutions align with enterprise architecture, cybersecurity, and data governance standards
Lead code reviews, quality assurance, and troubleshooting activities
Mentor junior developers and promote best practices in software development
Support continuous improvement, performance optimization, and system reliability
Education & Experience
- Degree in Computer Science, Engineering, or related field (or equivalent experience)
- Demonstrated years of experience in software development, including technical leadership roles.
Technical Skills
- Strong experience in integration development (APIs, microservices, event-driven architecture)
- Proficiency in technologies such as C#, .NET, Node.js, JavaScript frameworks, SQL, Redis, SignalR, RESTful and SOAP services
- Experience with cloud platforms (Azure Container App, ACR, Azure Functions, Key Vault preferred) and DevOps/CI-CD pipelines
- Knowledge of security protocols (OAuth2, SAML, encryption) and API management
- Experience with messaging/event streaming (e.g., Azure Event Hub, Service Bus, RabbitMQ)
- Familiarity with Agile methodologies.
Additional Assets
- Experience with enterprise systems, data platforms, or real-time integrations
- Certifications such as Microsoft Certified Developer or Agile/Scrum credentials
Metrolinx is an equal opportunity employer and committed to a diverse and inclusive workforce. We are also committed to offering reasonable accommodation to job applicants in accordance with applicable legislation. If you require assistance or an accommodation at any point during the hiring process, please contact us at: 416-202-5601 or email [email protected].
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Company at a glance
Metrolinx is undertaking the largest transportation investment in Ontario’s history to get you where you need to go better, faster, easier, while also operating GO Transit, UP Express and PRESTO. Learn more about how we’re connecting communities, building partnerships, and providing you new ways to travel around our region, at Metrolinx.com.
Metrolinx is an agency of the Government of Ontario.
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