Senior Software Developer – Backend Security

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
Reporting to the Development Manager of the Platform Services Security Team, the Developer is responsible for designing and implementing new products and features as well as enhancing existing solutions. The Developer will collaborate with an energetic team of Developers, Test Engineers, Technical Product Managers and Technical Writers throughout the development process to ensure the product is functionally complete and well-engineered. This is an excellent opportunity to join a rapidly growing innovator in a technically challenging and rewarding role.
The Platform Services Security Team is a Scrum team comprised of high caliber, hands-on software professionals who aim to provide technical leadership and stewardship of the Dayforce product. The team enables Dayforce HCM’s technical success by building performant, scalable and secure core components, frameworks, and customer-facing technical features, and by providing build processes, tools and expertise to enhance developer productivity. The team also enhances the maintainability and supportability of Dayforce HCM by building environment management and operational management applications and tools.
What you'll get to do
• Analyze, design, prototype, program, test, troubleshoot and support – the complete software lifecycle in your hands!
• Envision and deliver new features by working as part of a high-performing scrum team, with clients, prospects, implementation partners, and Dayforce personnel
• Create and enhance a scalable SaaS enterprise application
• Assess risks and impacts on the existing system as new functionality is added
• Perform code reviews
• Mentor other developers and share knowledge
Skills and experience we value
• Proven track record of designing, developing, and deploying robust, scalable enterprise-level software solutions.
• Deep understanding and practical application of object-oriented design principles and common design patterns to create maintainable and efficient code.
• Expert-level proficiency in C# and the .NET ecosystem, with significant experience in designing and interacting with both relational (TSQL) and non-relational (NoSQL) databases.
• Proven experience in building authentication solutions, including Single Sign-On and Multi-factor authentication, following OAuth 2.0 and OIDC standards. Knowledge of SAML is a plus.
• Comprehensive understanding of the various OAuth grant types and OIDC flows and their practical application in secure identity management.
• Exceptional skills in performance optimization, debugging and troubleshooting.
• Strong understanding of common web application security vulnerabilities (e.g., OWASP Top 10) and proven ability to implement effective security measures to mitigate risks.
• Solid understanding and practical application of defensive programming techniques to build secure and resilient software.
• Proficient in designing, developing, and consuming RESTful APIs for seamless integration between services.
• Advanced skills in setting up CI/CD pipelines for automated deployments using Azure DevOps CI/CD automation and GitHub Actions.
• Experienced with Docker containers (Kubernetes is a plus).
• Understanding microservice orchestration including ability to build a new service from scratch and deploy in a cloud infrastructure using automation
• Confident in working with Azure and managing infrastructure.
• Proven experience in implementing and utilizing monitoring and logging tools (e.g., Azure Monitor, Application Insights, Grafana) to proactively ensure application health, performance, and facilitate effective troubleshooting.
• Proficient in test automation – unit, integration and E2E using tools like Cypress and Playwright.
• Experienced working in an Agile scrum team as a key contributor and a team player.


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 o