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Metrolinx
Senior Software DeveloperMetrolinx • Toronto, ON, CA
Senior Software Developer

Senior Software Developer

Metrolinx • Toronto, ON, CA
4 days ago
Job type
  • Full-time
Job description
Metrolinx is connecting communities across the Greater Golden Horseshoe. Metrolinx operates GO Transit and UP Express, as well as the PRESTO fare payment system. We are also building new and improved rapid transit, including GO Expansion, Light Rail Transit routes, and major expansions to Toronto’s subway system, to get people where they need to go, better, faster and easier. Metrolinx is an agency of the Government of Ontario.
At Metrolinx, equity, diversity and inclusion are essential to living our values of serving with passion, thinking forward and playing as a team.
This role is an in‑office position based at our 277 Front Street West office location. Our team is highly collaborative, and much of our work benefits from in‑person co‑creation, relationship‑building, and hands‑on partnership with leaders across the organization.

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.

What will I be doing?

  • 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

What Skills and Qualifications Do I Need?

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, , 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 (., 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
Don’t Meet Every Requirement? If you’re excited about working with Metrolinx but your past experience doesn’t quite align with every qualification of this posting, we encourage you to apply. You just might be the right candidate for this or other roles. We are always looking for great talent to join our team.We invite all interested individuals to apply and encourage applications from members of equity-deserving communities, including those who identify as Indigenous, Black, racialized, women, people with disabilities, and people with diverse gender identities, expressions and sexual orientations.Accommodation:
We value the unique skills and experiences each person brings to Metrolinx and are committed to creating and maintaining an inclusive and accessible environment. We are committed to the requirements of the Accessibility for Ontarians with Disabilities Act and other applicable legislation so if you require accommodation during the hiring process, please let our Recruitment team know by contacting us at: 416-202-5601 or email Process:All applicants must be legally entitled to work in Canada. Metrolinx will be using email to communicate with you for all job competitions. It is your responsibility to include an updated email address that is checked daily and accepts emails from unknown users. As we send time-sensitive correspondence, we recommend that you check your email regularly. If no response is received, we will assume you are no longer interested in pursuing the opportunity. Please be advised that a Criminal Record Check may be required of the successful candidate. For Internal applicants, with the recent implementation of the Internal Mobility Policy, the internal recruitment process has changed for non-union roles. Candidates must be in their current role for 12 months prior to applying for another role and each applicant must be in good standing (not participating in a Performance Improvement Plan). Please review all provisions of the before submitting your application.Should it be determined that any background information provided is misleading, inaccurate or incorrect, Metrolinx reserves the right to discontinue with the consideration of your application.We thank all applicants for their interest, however, only those selected for further consideration will be contacted.WE ARE AN EQUITABLE AND INCLUSIVE EMPLOYER.#LI-MM3
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Senior Software Developer • Toronto, ON, CA

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