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.

The Test

Platform team builds and operates a large-scale, event-driven execution engine that runs quality validation across all of Product and Technology. Our distributed systems orchestrate huge volumes of test and validation work, and we build the tooling, frameworks, and AI capabilities that development teams rely on every day. As a Lead Developer, you'll own core parts of this platform, from the distributed execution engine and messaging backbone through the AI tooling built on top of it.

You'll set technical direction, drive architecture, and help teams across the organization build quality into what they ship. Think high throughput, fault tolerance, deep observability, and elastic orchestration, with an AI layer on top that makes the platform smarter over time. Platform and Distributed Systems Engineering Own the platform end to end, including shared frameworks, execution orchestration, test data management, environment provisioning, and self-service tooling that teams depend on.

AI and Intelligent Automation Design and maintain AI-powered tools and agents that improve developer productivity, including code generation, intelligent test generation, and automated review. Evaluate and integrate large language models and AI coding assistants, such as GitHub Copilot and custom agents,



into engineering workflows. Build AI-driven optimization into the engine, including predictive workload selection, flaky detection, intelligent prioritization, and self-healing automation.

Technical Leadership

Set architectural direction for the platform with scalability, reliability, and testability in mind. Evaluate emerging tools, frameworks, and AI capabilities, build proofs of concept, and drive adoption of the ones that matter. Mentor other engineers on distributed systems design, modern development practices, and getting real value out of AI-assisted tooling. Drive continuous validation in CI/CD pipelines with smart gating, parallelization, and fast feedback.

Experience building or integrating AI coding assistants, copilots, or autonomous agents into engineering workflows, whether through LLM integration, prompt engineering, or AI-powered developer tools.

Experience building and running distributed systems at scale, including event-driven architecture, messaging or streaming systems, and horizontally scalable services. Hands-on experience with Docker and Kubernetes in production, plus CI/CD automation such as Azure DevOps or GitHub Actions. Strong proficiency in C#, .NET Core, and SQL Server.

Experience with cloud infrastructure on Azure or AWS.

Experience with modern frontend frameworks such as React or Angular. Technical depth to lead deep-dive discussions on distributed systems and AI strategy.



Genuine curiosity about emerging technology, especially AI and ML. Strong debugging, profiling, and performance analysis skills.

Experience with contract testing, service virtualization, and test infrastructure such as in-memory databases and test containers. Dayforce is fueled by the diversity of our talented employees. Dayforce encourages personal and qualified 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. Artificial intelligence may be used in the screening, assessment, or selection of applicants for this position.

The final compensation offered may vary based on a variety of factors, including bonuses and/or incentives, or a candidate’s experience, skills, budget and location. 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. Pour consulter cette offre d'emploi en français, veuillez utiliser le lien: #

📌 Software Developer Lead (Toronto)
🏢 Dayforce
📍 Toronto