Freelance Mern Stack Developer Jobs in Ontario (NOW HIRING)

• Lead, mentor, and grow a team of full stack engineers, fostering a culture of technical excellence, collaboration, and continuous improvement.

• Conduct performance reviews, career development planning, and hiring for engineering talent.

• Champion engineering best practices, code quality standards, and knowledge-sharing across teams.

• Partner with product, design, and business stakeholders to align technical strategy with organizational goals.

• Define and evolve the overall application architecture for scalable, resilient, and secure distributed systems.

• Establish and govern design system standards, component libraries, and UI patterns to ensure consistency and reusability across products.

• Lead architectural reviews, technical design discussions, and proof-of-concept efforts for new capabilities.

• Make build-vs-buy decisions and evaluate emerging technologies for strategic adoption.

• Oversee the design, development, and maintenance of enterprise web applications using the MERN stack, Next.js, andNestJS.

• Drive containerization strategies using Docker and orchestrate production workloads with Kubernetes.

• Collaborate with DevOps and platform teams to design robust CI/CD pipelines, observability, and infrastructure-as-code practices.

• Ensure applications meet non-functional requirements including performance, scalability, security, and accessibility.

• Own technical debt management and drive continuous improvement initiatives.

• 10+ yearsof professional experience in software engineering, with at least3 years in a people management or technical leadership role.

• Deep proficiency inReact.js, Node.js, Express.js, and TypeScript.

• Strong hands-on experience withNext.js(server-side rendering, static generation, API routes) andNestJSfor building scalable server-side applications.

• Proven experience defining and maintainingdesign systemsand component libraries at scale (e.g., MUI, Storybook, custom design tokens).

• Extensive experience withDockercontainerization andKubernetesorchestration in production environments.

• Demonstrated ability to designdistributed system architectures, including microservices, event-driven patterns, and API gateway strategies.

• Strong knowledge ofRESTful APIs,GraphQL, and real-time communication patterns (WebSockets, message brokers).

• Experience withMongoDBand at least one relational database (e.g., SQL Server, PostgreSQL).

• Familiarity with cloud platforms (AWS, Azure, or GCP) and infrastructure-as-code tools (Helm, Terraform).

• Solid understanding ofCI/CD pipelines, automated testing strategies, and DevOps practices.

• Excellent communication, stakeholder management, and cross-functional collaboration skills.

• Experience withNxmonorepotooling and large-scale codebase management.

• Knowledge ofcaching strategies(Redis,KeyDB) and performance optimization techniques.

• Experience withreal-time streaming platforms(e.g., Solace, Kafka).

• Background inCapital Markets, FinTech, or regulated financial environments.

• Familiarity withaccessibility standards(WCAG) and internationalization.

• Experience drivingagile deliveryat scale (SAFe, Scrum of Scrums).

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Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.