Senior Software Developer – AI Platform Engineering

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. Due to security and compliance requirements, applicants must be either a U.S. Citizen or a current U.S. Green Card holder.

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. 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 other engineering teams to successfully integrate with Agent Platform capabilities. The ideal candidate is a strong hands-on engineer who thrives in distributed systems environments and enjoys solving complex backend and infrastructure challenges.

Responsibilities

• Core Engineering
  • Design and implement production-grade backend services supporting AI-driven workflows
  • Contribute to execution orchestration, task routing, and tool invocation systems
  • Develop APIs and service contracts that are stable, extensible, and well-documented
  • Implement robust authentication, authorization, and secure execution patterns
• Reliability & Observability
  • Build systems with strong logging, metrics, and tracing from the ground up
  • Improve system resilience, fault tolerance, and performance
  • Participate in production readiness, monitoring, and incident response processes
• Platform Enablement
  • Collaborate with product and engineering teams integrating with the Agent Platform
  • Provide technical guidance on best practices and integration patterns
  • Contribute to reusable infrastructure components and developer tooling

Requirements

• 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 (TypeScript, C#, Go or similar)
• Experience designing RESTful or event-driven APIs
• Hands-on experience with containerized infrastructure (e.g., Kubernetes)
• Strong understanding of secure service design and authentication patterns
• Experience implementing observability practices (logging, metrics, tracing)
• Demonstrated ownership of features from design through production

Skills

• Exposure to workflow orchestration, event-driven systems, or asynchronous processing
• Familiarity with worker-based architectures or execution isolation models
• Experience contributing to internal platforms or shared infrastructure services
• Experience optimizing system performance and debugging distributed systems
• Experience working with globally distributed teams

Success Profile

The Ideal Candidate:

• Is highly hands-on and comfortable working deep in the stack
• Writes clean, maintainable, well-tested code
• Thinks critically about system reliability and performance
• Collaborates effectively across teams
• Seeks to continuously improve platform quality and engineering standards

Benefits

Dayforce offers excellent time away from work programs, comprehensive wellness initiatives, and recognition through competitive pay and benefits. We encourage personal and professional growth and provide opportunities for community impact, including volunteer days and our charity, Dayforce Cares.