Lead Software Engineer (Full-Stack JavaScript)

About Morningstar

About Morningstar unites problem solvers with a clear goal: helping investors achieve their financial objectives. As a leading investment research and data company, we stand out by how we apply our insights to serve a broad range of users. Our independent investment research, powered by cutting-edge technology and design, provides tailored solutions that meet users' needs. With a strong foundation in data and innovation, we deliver comprehensive services to investors worldwide—empowering better decisions for individuals and those managing money for millions.

The Role

We are seeking a Lead Software Engineer with Full-Stack JavaScript experience to join the Central Technology Web Development team in support of Morningstar’s Corporate Marketing. This position will be part of an engineering team focused on updating Morningstar’s web-based product suites. The position includes the development of new systems, maintenance, and improvement of existing applications. Candidates should have solid software engineering experience in building commercial-grade Web-based applications using both modern SPA and server-side rendering technology.

Morningstar's hybrid work environment gives you the opportunity to collaborate in-person each week as we've found that we're at our best when we're purposely together on a regular basis. In most of our locations, our hybrid work model is four days in-office each week. A range of other benefits are also available to enhance flexibility as needs change. No matter where you are, you'll have tools and resources to engage meaningfully with your global colleagues.

Location: Toronto, ON (We follow a hybrid policy with 4 days onsite)

Job Responsibilities

• Lead development of full-stack web applications using Vue.js, Nuxt 3, TypeScript, Node.js, and AWS.
• Build and maintain server-side rendered and universal web applications, with strong understanding of routing, hydration, caching, rendering strategies, browser behavior, and performance.
• Help design and productionize AI-enabled and agentic marketing systems, including workflows that assist with content creation, content migration, schema mapping, personalization, experimentation, and operational automation.
• Design scalable front-end architectures, component libraries, and design-system patterns that support reusable, consistent web experiences.
• Design, implement, and maintain Node.js-based APIs, middleware, and service integrations, including integrations with headless CMS, analytics, personalization, and third-party platforms.
• Own production-quality delivery across the stack, including deployment, observability, debugging, reliability, accessibility, SEO, security, privacy, and Core Web Vitals.
• Diagnose complex issues across browser behavior, SSR output, network requests, API responses, cloud infrastructure, CMS configuration, and build pipelines.
• Lead technical discussions, mentor engineers, review code, and make pragmatic architecture decisions that balance maintainability, performance, delivery speed, and business needs.
   

Qualifications

• 5+ years of professional software development experience, with a strong focus on full-stack JavaScript or TypeScript.
• Strong experience with modern front-end frameworks such as Vue, Nuxt, React, Next.js, Angular, or similar.
• Proficiency building server-side rendered, statically generated, or universal JavaScript applications.
• Deep understanding of browser fundamentals, including rendering, hydration, JavaScript execution, caching, networking, accessibility, and performance.
• Strong TypeScript and JavaScript skills, including asynchronous programming, modular architecture, package management, and modern build tooling such as Vite, Webpack, Rollup, or similar.
• Experience designing, building, and consuming RESTful APIs, Node.js services, middleware, and integrations with external platforms.
• Experience deploying, debugging, and monitoring production applications in AWS or a similar cloud environment, including cloud-native concepts such as serverless functions, CDN behavior, logs, observability, and environment-based configuration.
• Ability to lead technical discussions, break down ambiguous problems, mentor engineers, and communicate technical tradeoffs clearly with both technical and non-technical partners.

Nice to have

• Experience with headless Content Management Systems.

Base Salary Compensation Range

Incentive Target Percentage

Morningstar's hybrid work environment gives you the opportunity to collaborate in-person each week as we've found that we're at our best when we're purposely together on a regular basis. In most of our locations, our hybrid work model is four days in-office each week. A range of other benefits are also available to enhance flexibility as needs change. No matter where you are, you'll have tools and resources to engage meaningfully with your global colleagues.