Developer Jobs in Etobicoke, ON

Sago Mini is an award-winning company devoted to play.

With three subscription services and over 10 million monthly active users, Sago Mini creates apps that seed imagination, grow wonder, and bring thoughtful design to life for preschoolers and parents worldwide.

Proudly Canadian, Sago Mini is a subsidiary of Spin Master, a leading global children’s entertainment company.

Along with sister studios Toca Boca and Originator, Sago Mini is part of the Piknik bundle – a collection of the world’s best apps for kids in one subscription.

About the Role Lylli Studio is looking for a Frontend Developer to lead the development of our internal creator operations portal.

This role is critical in establishing a scalable frontend architecture that empowers teams to build tools independently while maintaining consistency, performance, and usability.

Lylli is an innovative app that brings thousands of children’s books to life by creating a captivating experience that promotes children’s cognitive development, establishes reading habits, and invites them into a life as readers.

You will help define our frontend stack (React), set standards for component libraries, and build a shared system that makes it easier for product, content, and operations to ship high-quality experiences faster.

This role is central to shaping how Lylli scales, from our reading app to our studio platform - and ensuring we can grow globally without adding complexity.

What You'll Be Doing As a Frontend Developer at Lylli, you’ll lead the work to design and build a scalable frontend foundation for our internal tools and enabling teams to create, launch, and operate content and AI-powered features with ease.

Develop and maintain our internal portal , creating a flexible and scalable framework for tools used across product, content, operations, and partnerships.

Lead the development of a shared component library , ensuring consistency across tools and standardizing UI patterns using modern frontend best practices.

Optimize performance and usability , creating internal tools that are fast, intuitive, and accessible for a wide range of users — from editors and illustrators to product managers and engineers.

Improve developer experience , helping set up build pipelines, testing strategies, and deployment practices for frontend applications.

Collaborate closely with backend developers, designers, and cross-functional teams , ensuring seamless integration with APIs, internal services, and content workflows.

Shape the future of our internal tooling ecosystem , enabling Lylli to scale efficiently as we expand into new markets, languages, and reading formats.

Qualifications and Skills Solid experience building and maintaining large-scale frontend applications, ideally with React and Node.js Experience collaborating in cross-functional teams, participating in code reviews, sharing knowledge, and solving complex product needs through strong frontend architecture.

A passion for building tools that make other people’s work easier — and for shaping structure in a fast-moving environment.

Experience building and deploying Java backend services.

Strong understanding of API integrations (especially JSON-based).

Interest in coaching junior developers and helping raise the overall technical bar.

The anticipated pay range for candidates who will work in Toronto is $75,000 to $90,000 Per Annum.

The offered pay to a successful candidate will be dependent on several factors that may include but are not limited to years of experience within the job, years of experience within the required industry, education, etc.

Spin Master Inc.

is a multi-state employer, and this salary range may not reflect positions that work only in other states.

This job posting is tied to an open vacancy.

• About the Process ● You’ll get an email response confirming we’ve received your application, and we’ll let you know within a few weeks if we’d like to schedule a follow-up.
• ● If you’re moving ahead, we’ll book a call to learn more about your experience.
• ● If that goes well, we’ll send you a short homework assignment to get a better feel for your skillset.
• ● If the assignment goes well, we’ll book an interview with you and the hiring team to dive deeper.
• ● To wrap up the process, you’ll meet with a couple more members of our team for a brief chat prior to a decision being made.

We welcome and encourage applications from people with disabilities.

Accommodations are available upon request for candidates taking part in all aspects of the selection process.

• - Based in Toronto, Sago Sago Toys is a subsidiary of Spin Master Limited a leading global children’s entertainment company that creates, designs and manufactures a diversified portfolio of innovative toys, games, products and entertainment properties.

We hire humble and collaborative people who care about doing great work.

Sago Mini is an equal opportunity employer.

We value diversity at our company.

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