Senior .NET Software Developer

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. 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.   What You’ll Do 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 Skills And Experience We Value Great communication skillsAble to work with a distributed teamStrong understanding of object-oriented design and development5+ years of delivering enterprise-level software and building high performing applicationsIn depth knowledge of C# and .NET frameworkStrong with SQL, TSQL, database design, and query optimizationExperience building high performance and scalable applicationsExperience with or desire to work in an agile development environmentExperience with unit testing and mocking Working knowledge of HTML5, JavaScript, CSS, MVC web frameworks, and JSONInterest in AI-assisted software development and emerging technologiesExposure to integrating AI-powered capabilities or third-party AI services into applicationsFamiliarity with modern AI developer tooling such as GitHub Copilot, ChatGPT, or similar tools Understanding of how AI and automation can enhance user and developer experiencesCuriosity around practical applications of large language models (LLMs) within enterprise software What Would Make You Really Stand Out German language skillsExperience working with one or more modern JavaScript libraries such as Dojo, React, Angular, Backbone, or jQueryExperience working with SaaS productsExperience building tools for use by other developersExperience experimenting with AI/LLM-powered features or integrationsAwareness of emerging AI trends and their application within modern software development workflows What’s In It For You 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. Artificial intelligence may be used in the screening, assessment, or selection of applicants for this position. Fraudulent Recruiting Beware of fraudulent recruiting. Legitimate Dayforce contacts will use an @dayforce.com email address. We do not request money, checks, equipment orders, or sensitive personal data during the recruitment process. If you have been asked for any of the above, or believe you have been contacted by someone posing as a Dayforce employee, please refer to our fraudulent recruiting statement found here: https://www.dayforce.com/be-aware-of-recruiting-fraud Dayforce actively monitors all job applications to ensure authenticity. Submissions determined to be fraudulent or misleading will be declined from the recruitment process