Senior Mulesoft Developer

Location: Mississauga, Ontario – Hybrid (4 days/week in office) *Moving to Etobicoke in 2026*

Employment Type: Full-Time

Reports to: Manager, Web Development & Integration

At Mattamy Asset Management (MAM), everyone has an important role to play in our shared success. Developing thoughtfully planned communities is complex work and our diverse teams come together to deliver on that mission in every aspect. We are thoughtful planners, precise project managers and practiced subject matter experts. And in each area of our evolving business, we are trusted to drive results. Here, your opinion will be invited, and your contributions will count. You’ll be surrounded by caring people who encourage you to be exactly who you are. You’ll grow in your area of expertise, learning alongside committed colleagues. With a relentless focus on industry leadership and a deep commitment to sustainability, we’ve got big plans for the future – and for you.

Learn more about what makes working at Mattamy special and our award-winning culture.

What we offer

In this role, you’ll have the opportunity to design and deliver scalable integration solutions that power a complex, enterprise-grade technology landscape. You’ll work hands‑on with the MuleSoft Anypoint Platform alongside experienced architects and cross‑functional partners, solving meaningful business problems and influencing how systems connect across the organization. This is an ideal opportunity for a MuleSoft professional who enjoys deep technical work, ownership of solutions, and the chance to grow their expertise in a collaborative, forward‑looking environment.

What you’ll do

• Contribute to the design, development, deployment, and support of enterprise MuleSoft integrations and APIs
• Collaborate closely with MuleSoft Architects and cross‑functional stakeholders to design and implement scalable, API‑led solutions
• Provide technical support and guidance to internal teams and integration partners
• Debug, troubleshoot, and resolve integration and application issues, including complex or escalated incidents
• Support performance tuning, monitoring, and optimization of integrations to ensure reliability and scalability
• Prepare and maintain technical documentation, including integration designs, API specifications, and support runbooks
• Work with Anypoint API Manager to implement and maintain security policies, access controls, and governance standards
• Apply AI‑assisted development tools (e.g., GitHub Copilot, MuleSoft's AI capabilities in Anypoint Code Builder) to accelerate integration development, and explore opportunities to embed AI‑driven automation into integration workflows, including intelligent routing, data enrichment, and predictive monitoring

What you bring

• 3+ years of hands‑on experience working with MuleSoft, including strong experience with the Anypoint Platform (Mule 4), or an equivalent combination of education and experience
• Experience developing integrations using Anypoint Studio and DataWeave
• Experience designing and building APIs using RAML or OpenAPI, with a solid understanding of API‑led connectivity, REST, SOAP, and common integration patterns (e.g., synchronous/asynchronous, batch, publish/subscriber)
• Experience building, managing, and monitoring APIs and integrations using Anypoint Platform and API Manager, including dashboards and operational monitoring
• Experience working with version control systems (e.g., Git) and Agile delivery tools (e.g., Azure DevOps)
• Experience with message queue and event‑based integration patterns, including Anypoint MQ or similar technologies
• Strong verbal and written communication skills, with the ability to explain technical concepts to non‑technical audiences

Bonus Points

• Familiarity with AI‑assisted coding tools (e.g., GitHub Copilot, Cursor, or similar) and a working understanding of how to use them responsibly to improve productivity and code quality

Compensation

The expected base salary range for this position is $70,000 - $110,000. Actual pay may vary depending on your job‑related knowledge, competencies, and skills. We recognize that exceptional situations may fall outside this range, and we encourage all interested candidates to apply.

You are also eligible to participate in Mattamy’s annual bonus program which gives you the opportunity to increase your total compensation if business and individual goals are achieved.

We encourage applicants who meet most of the role requirements to hit that submit button and apply! It’s okay if you don’t have 100% of the requirements. If you’re the right candidate, we’ll help you learn and grow.

Who we are

Mattamy Asset Management (MAM) is the parent company of Mattamy Homes Canada and Mattamy Homes U.S., which together make up the largest family‑held homebuilding platform in North America.

Be yourself. We want it that way.

At Mattamy, we're passionate a b out creating and promoting a diverse and inclusive environment where everyone can do their best work. Diversity and inclusion are important to the work we do to support our homebuyers, colleagues, and communities. From how we build our teams to cultivating our leaders, we're on a journey toward a welcoming, barrier‑free culture for everyone.

Mattamy Asset Management is committed to providing accommodation for people with disabilities. If you require accommodation through any aspects of the selection process, please notify us on your application and we will work with you to meet your needs.

Mattamy companies may use artificial intelligence (AI) tools to support our hiring process, including to help screen or assess candidates along the way. These tools work behind the scenes, while people remain at the heart of every hiring decision.

Qualified applicants for this existing vacancy will be contacted directly by the Talent Acquisition team.