Senior Backend Engineer

MLSE; Toronto; On-site; CAD 90,000 - 130,000; Full time

Job summary

A leading sports and entertainment organization in Toronto seeks a Senior Backend Engineer for a freelance 12-month contract. This role focuses on developing highly available applications and managing engineering standards within MLSE's Digital Labs team. Candidates should possess strong expertise in JavaScript/Typescript and cloud services, with a commitment to security and innovative technologies.

Qualifications

• Experience with micro-service architecture and security best practices is critical.
• Strong background in JavaScript/Typescript and NodeJS development within cloud environments (Azure, AWS).
• Experience with relational SQL databases, particularly PostgreSQL.

Responsibilities

• Develop and deploy applications with modern DevOps practices.
• Mentor junior engineers and collaborate with infrastructure teams.
• Design test automation solutions for application testing.

Skills

Security standards

Micro-service architecture

Agile methodologies

RESTful services

GraphQL

JavaScript/Typescript

NodeJS

Tools

GitHub

Azure

AWS

Azure DevOps

Jenkins

Spring Boot

Kubernetes

Job description

Company Description

At Maple Leaf Sports & Entertainment Partnership (MLSE), we are committed to creating an inclusive workplace that is representative of our community and where all employees feel they belong and can reach their full potential. We are Canada’s preeminent leader in delivering top quality sport and entertainment experiences and one of North America’s leading providers of exceptional fan experiences. We are the parent company of the National Hockey League’s Toronto Maple Leafs, the National Basketball Association’s Toronto Raptors, Major League Soccer’s Toronto FC, the Canadian Football League’s Toronto Argonauts and development teams with the Toronto Marlies (American Hockey League), 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.

MLSE owns and/or operates all the venues our teams play and train in, including Scotiabank Arena, BMO Field, Coca-Cola Coliseum, Ford Performance Centre, BMO Training Ground, and OVO Athletic Centre. We also provide fans in Toronto with incredible live music and entertainment events, as well as exceptional culinary experiences through our restaurants (e11even and RS) and clubs (Hot Stove Club, ScotiaClub and Platinum Club). Through MLSE Foundation, we have invested more than $45 million into Ontario communities since 2009 and with MLSE LaunchPad, we provide a place where youth facing barriers use sport to recognize and reach their potential.

We achieve all of this through our Common Purpose - to unite and empower our employees to create extraordinary moments for our fans and each other. Come be a part of the team.

Job Description

MLSE Digital Labs is seeking a highly motivated Senior Backend Engineer to join the Digital Labs team. This individual will be primarily working on the development and management of applications and will be reporting to the Engineering Manager for Applications.

Position Type: Freelance 12 Month Contract

• Develop and deploy application solutions using modern DevOps practices and security standards.
• Build performant and highly available multi-tenant applications that scale easily to millions of users.
• Establish standards and maintain a department-wide body of knowledge on engineering.
• Participates in planning, definition, and high-level design of the solution and exploration of solution alternatives.
• Mentor and lead junior-level engineers throughout the application delivery process.
• Collaborate with teams such as Infrastructure and Application Engineering to define metadata layers, align on technical strategy, and ensure seamless integration with existing systems.
• Provides high-level sizing estimates of new development work.
• Design and implement test automation solutions for application testing.

Qualifications

Note: Before reviewing the qualifications listed below, we want you to know that we understand you may not meet all the qualifications described and have other relevant expertise and experience. We invite you to please share this with us in the "Message to the Hiring Manager" section of our online application.

• Hardworking advocate of security standard methodologies and micro-service architecture.
• Astute on new and emerging technologies and technical approaches.
• Knowledge of software engineering practices for SDLC, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Understanding of Agile methodologies.
• Proven ability to take a project from scoping requirements through to actual launch of the project.
• Proven track record in designing and migrating existing single-tenant systems to a multi-tenant architecture with minimal downtime.
• Ability to prioritize, track, and handle work independently in a fast-paced environment.
• Experience using source control technology such as GitHub.
• Competent understanding of RESTful, GraphQL, WebSocket services.
• Experience with relational SQL databases, such as PostgreSQL, and associated migration systems, such as Flyway.
• Strong Software Engineering experience with proficiency in JavaScript/Typescript.
• Strong experience with NodeJS API frameworks, such as ExpressJS and Restify.
• Proficiency in crafting and implementing systems in Azure and AWS.
• CI/CD orchestration tools such as Azure DevOps, Jenkins, Bamboo, Chef, Maven, or similar.
• Nice to have experience with Spring Boot, and Kubernetes/OpenShift.

Additional Information

Apply by: July 8 2025

We thank all applicants for their interest, however, only those selected for an interview will be contacted.

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, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, record of offences, marital status, family status or disability. 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 [e-mail]. Please note this email is only for accommodation requests. Resumes sent to this email address will not be considered.

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