Powered by Passion. United by Purpose. Build for Impact. At Maple Leaf Sports & Entertainment Partnership (MLSE), we exist to deliver the ultimate fan experience by lifting trophies, spirits, and communities – united as one. We're more than a workplace. We are a team of passionate people, boldly building the future of sport and entertainment, together. We believe in the power of play, the strength of collaboration, and the energy that comes from showing up with purpose. From the ice to the pitch, the hardwood to the digital arena, we’re proud to be the driving force behind the Toronto Maple Leafs (NHL), the Toronto Raptors (NBA), Toronto FC (MLS), Toronto Argonauts (CFL) and development teams with the Toronto Marlies (AHL), Raptors 905 (NBA G League), Toronto FC II (MLS NEXT Pro League) and Raptors Uprising Gaming Club, the Toronto Raptors Esports franchise in the NBA 2K League.  We bring these teams – and world-class entertainment – to life at our iconic venues, including Scotiabank Arena, BMO Field, Coca-Cola Coliseum, Ford Performance Centre, BMO Training Ground, and OVO Athletic Centre. Off the field, we serve up elevated dining at e11even, Real Sports, and our signature club spaces like Hot Stove Club, ScotiaClub, and Platinum Club. Through MLSE Foundation and MLSE LaunchPad, we use the power of sport to help youth facing barriers reach their full potential. Since 2009, we’ve invested more than $45 million into Ontario communities -- and we’re just getting started.  This is what it means to be One MLSE: a culture where everyone plays a role, everyone belongs, and everyone contributes to something bigger than themselves. So, if you're ready to play with purpose, grow with passion, and win as one, we’d love to have you on our team. ** We know that great candidates come from a variety of backgrounds and experiences. Even if you do not meet every qualification listed, we encourage you to apply. Your unique perspective, transferable skills, and lived experience may be exactly what we’re looking for. ** Job Description MLSE Sport Performance Lab is seeking a Full Stack Developer to join our team. This individual will play a key role in developing and maintaining team coaching applications across multiple projects. They will focus on frontend development (React), backend/API development (Python/AWS), and provide development support for mobile applications using React Native. This role reports to the Director, Software Engineering. Sport Performance Lab is a research & development team focused on delivering wins for our professional teams. We are looking for individuals who are eager to learn and able to collaborative within a diverse team. Position Type: 12-month independent contract Responsibilities: Develop and maintain web application features using React, adhering to modern DevOps practices and security standards. Design, implement, and support APIs to integrate frontend and backend systems, leveraging Python and AWS services. Provide development support for iOS apps using React Native. Use AI-assisted development tools to accelerate delivery while maintaining code quality, security, and correctness standards. Assist with backend development tasks using Python, ensuring stability and performance. Collaborate with other teams, such as infrastructure and application engineering, to define metadata layers, technical strategies, and efficient integration across the existing landscape. Develop and implement testing solutions, including automation, to ensure application quality and reliability. Provide high-level sizing estimates and contribute to planning and scoping discussions to ensure alignment on technical solutions, project goals, and prioritization. Contribute to and maintain documentation of engineering best practices, tools, and frameworks. Qualifications: Minimum 3-5 years of experience in full stack development. Hands-on experience with React for frontend development. Proficiency in Python for backend and API development. Familiarity with AWS services and their integration into backend systems. Familiarity with AI-assisted development tooling (e.g., Claude Code, GitHub Copilot, Cursor) and sound judgment about when to use it, including review of AI-generated code. Knowledge of React Native or a strong interest in learning mobile development is a plus. Advocate of security best practices and micro-service architecture. Proven ability to take a project from scoping requirements through to product launch. Strong understanding of software development lifecycle (SDLC) practices, including version control, code reviews, testing, and operations. Experience collaborating with backend developers to design and integrate APIs and web services into applications. Excellent problem-solving and analytical skills. Ability to work collaboratively in a team and effectively manage multiple priorities. Nice-to-haves: Experience building Swift apps. Familiarity with tools like Figma, Invision, or Adobe XD for design handoffs. Experience with sports data or knowledge of the sports industry. Interest in or experience with data visualization techniques or libraries for presenting complex statistics. Basic understanding of DevOps practices and CI/CD pipelines. Previous experience working with confidential data or information. Job Posting Compensation Range/Rate: Freelance Rate We’re glad you’re here. Once you apply, we’ll follow up by email, and you can track everything in your Candidate Portal. Want instant updates? Opt-in for SMS notifications to stay in the loop. At MLSE, we are committed to building an equitable, diverse and inclusive organization. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. MLSE will provide reasonable accommodation for qualified individuals with disabilities in the job application process. If you have difficulty using our online application system and you need an accommodation due to a disability, please email [email protected]. This email is only for accommodation requests. Resumes sent to this email address will not be considered. Our Growth is Creating Great Opportunities! Our team is expanding, and we want to hire the most talented people we can.   Continued success depends on it!  Once you've had a chance to explore our current open positions, apply to the ones you feel suit you best and keep track of both your progress in the selection process, and new posts that might interest you! Thanks for your interest in working on our team!

[C] Full Stack Developer.

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