Senior Software Developer - AI Platform Engineering

We are seeking a Senior Software Developer to design and build core services that enable secure, scalable, and observable AI agent execution. This role focuses on deep technical implementation, platform reliability, and enabling engineering teams to successfully integrate with Agent Platform capabilities.

The ideal candidate is a hands-on software engineer who thrives in distributed systems environments and enjoys solving complex backend and infrastructure challenges.

_Due to the nature of the work supporting the Government of Canada, candidates must meet applicable citizenship and security clearance requirements., * Design and implement production-grade backend services that support AI-driven workflows.

• Contribute to execution orchestration, task routing, and tool invocation systems.
• Develop stable, extensible, and well-documented APIs and service contracts.
• Implement secure authentication, authorization, and execution patterns.

_Reliability & Observability

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• Build systems with robust logging, metrics, and distributed tracing.
• Improve system resilience, fault tolerance, scalability, and performance.
• Participate in production readiness, monitoring, and incident response activities.

_Platform Enablement

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• Collaborate with Product and Engineering teams integrating with the Agent Platform.
• Provide technical guidance on integration patterns and engineering best practices.
• Contribute reusable infrastructure components, platform capabilities, and developer tooling.

• 5-8+ years of experience building and operating distributed systems in production.
• Experience integrating large language models (LLMs) into applications or services.
• Strong backend development experience using TypeScript, C#, Go, or similar languages.
• Experience designing RESTful or event-driven APIs.
• Hands-on experience with containerized infrastructure, including Kubernetes.
• Strong understanding of secure service design and authentication patterns.
• Experience implementing observability practices, including logging, metrics, and tracing.
• Demonstrated ownership of features from design through production.

What Would Make You Stand Out

• Experience with workflow orchestration, event-driven architectures, or asynchronous processing.
• Familiarity with worker-based architectures or execution isolation models.
• Experience contributing to internal platforms or shared infrastructure services.
• Experience optimizing performance and troubleshooting distributed systems.
• Experience collaborating with globally distributed engineering teams., Proficiency in English is required for this position as this role will regularly interact with English-speaking stakeholders, co-workers, managers and/or clients across the world. Further, our back office support teams, including but not limited to Human Resources, are primarily English speaking. Employees need to be able to communicate with these departments in English to appropriately administer their business relationship. Due to the significant high volume of interactions with these English-speaking co-workers, managers, stakeholders and/or clients, which is inherent to this position, it is not possible to reorganize the company’s activities to avoid this requirement.

Dayforce is a global human capital management (HCM) company headquartered in Toronto, Ontario, and Minneapolis, Minnesota, with operations across North America, Europe, Middle East, Africa (EMEA), and the Asia Pacific Japan (APJ) region.

Our award-winning Cloud HCM platform offers a unified solution database and continuous calculation engine, driving efficiency, productivity and compliance for the global workforce.

Our brand promise - Makes Work Life Better - Reflects our commitment to employees, customers, partners and communities globally.

About The Opportunity

Dayforce is building a next-generation Agent Platform to power intelligent automation, AI-driven workflows, and tool-enabled execution across our product ecosystem., Dayforce is fueled by the diversity of our talented employees. We are an equal opportunity employer and consider and embrace ALL individuals and what makes them unique. We believe our employees should be happy and healthy, with peace of mind and a sense of fulfillment.

We encourage individuals to apply based on their passions.

Dayforce encourages personal and professional growth. We offer excellent time away from work programs, comprehensive wellness initiatives and recognition through competitive pay and benefits.

With a commitment to community impact, including volunteer days and our charity, Dayforce Cares we provide opportunities for you to thrive both in your career and personal life. Our focus is not just on your job but on supporting you to be the best version of yourself.