Product Engineer Intern 4 or 8 Months - Fall 2026

Dayforce•Toronto, ON

2d•CA$28 - CA$32•Hybrid

About The Position

As an Intern at Dayforce, you’ll gain real-world experience with meaningful responsibilities, access to development programs, and the chance to collaborate globally, bringing new ideas and optimizing processes across multiple business units. We are looking for a Product Engineer Intern with an interest in visualizing and optimizing large-scale data with an amazing UI/UX. The successful candidate will collaborate on the design, development, and implementation of our proprietary data visualization platform used by large enterprise customers to gain real-time insights into complex organizational structures. This role combines hands-on AI-driven software engineering with close collaboration with cross-functional teams to deliver secure, high-performance, scalable solutions for C-level stakeholders.

Requirements

Enrolled in a Bachelor's degree (or higher) program in Computer Science, Software Engineering, Information Technology, or a closely related field; or an equivalent combination of education and experience.
Data visualization for large or complex datasets
Performance optimization of large-scale or big data systems
Experience designing, developing, and deploying computer-based systems and applications in a production environment.
Proficiency in software design and architecture, including modeling data, processes, and system interactions.
Proficiency in AI-driven software development. Candidate must demonstrate the utilization of AI in software development.
Experience with modern web application development, such as: JavaScript's modern front-end frameworks (e.g., Vue.js, React, or similar) - Node.js - Postgres DB, and Python
Component-based UI development and design systems (e.g., Tailwind CSS or similar).
Hands-on experience with data visualization frameworks or libraries and techniques for rendering and optimizing large datasets (e.g., virtualization, occlusion culling, or similar performance techniques).
Experience with performance optimization and scalability for high-traffic, data-intensive systems.
Familiarity with distributed systems, cloud-based environments, and integration with back-end services or data pipelines.
Strong understanding of software testing, troubleshooting, and debugging in complex systems.
Strong understanding of graph-based data structures.
Strong understanding of different layers of caching systems and context-aware prompt engineering.

Responsibilities

Collect, analyze, and document user and business requirements for complex software and data visualization solutions.
Develop and refine detailed technical requirements and specifications.
Research, evaluate, and synthesize technical information to design, develop, and test computer-based systems and applications.
Develop data, process, and network models to optimize system architecture and evaluate the performance, scalability, and reliability of designs.
Implement architectural designs and redesigns for large-scale organizational data processing and visualization systems, including identifying bottlenecks and applying advanced optimization techniques.
Plan, design, and coordinate the development, integration, deployment, and operation of systems and applications.
Develop modern cross-platform applications (web and/or mobile) using frameworks and tools (e.g., Vuejs, Nodejs, and design systems).
Assess, test, and troubleshoot software systems and applications, including performance tuning of big data and visualization workloads.
Design, architect, and implement a multi-level caching system for large enterprise organizations, graph-based data structures.
Design, architect, and implement Enterprise Resource Planning features for position and personnel resource planning.
Design, architect, and implement Enterprise Resource Planning features for job architectures.
Document system designs, technical specifications, and maintenance procedures.
Implement upgrades, patches, and improvements to operating environments and application software, ensuring high availability and resilience.
Develop and maintain procedures for monitoring, incident response, and ongoing system maintenance.
Coordinate with other software engineers and information systems professionals in the development of software and integrated information systems.
Work on cross-functional collaboration between engineering, data, and product teams to deliver complex projects on time and within quality standards.
Provide technical mentorship, code review, and guidance on best practices in software architecture, performance optimization, and data visualization.
Design and implement features and architectures that enhance the security, integrity, and confidentiality of sensitive organizational data.
Identify and mitigate potential vulnerabilities, ensuring compliance with relevant data protection and privacy regulations.
Architect and implement SOC 2 Type II and ISO 27001 compliant systems.

Benefits

Experience working for one of the fastest growing Human Capital Management technology companies in the world
Access to Dayforce’s development programs and resources
Ability to work with as well as create relationships with members across the globe
Autonomy to bring forth new ideas and optimize existing structures within the organization
Meaningful responsibilities, enabling you to obtain ‘real-world’ experience
Dynamic hands-on exposure to multiple business-units and stakeholders across Dayforce
excellent time away from work programs
comprehensive wellness initiatives
recognition through competitive pay and benefits
volunteer days
opportunities for you to thrive both in your career and personal life