Senior React Developer

Job Reference:
2025-3824
Location:
Toronto
Category:
Technology
Solution:
Other

Your Team Responsibilities

The Business Technology team at MSCI is playing a vital role in a fast-paced transformation of our digital marketing practice.

We are seeking a highly skilled and experienced Senior Front-End Developer with deep expertise in React to join our growing engineering team. In this role, you will lead the development of high-performance, scalable, and user-friendly web applications. You will collaborate with product managers, UX/UI designers, and backend engineers to deliver compelling and intuitive user experiences. The ideal candidate is passionate about clean code, modern front-end technologies, and performance optimization.

Your Key Responsibilities

  • Develop and maintain complex, large-scale web applications using React and Next.js 14/15.
  • Collaborate with product managers and designers to translate business requirements and UI/UX designs into responsive, interactive web applications.
  • Lead architectural decisions for front-end projects and help define front-end best practices and coding standards.
  • Architect and implement advanced state management solutions, optimize data fetching, caching, and state synchronization
  • Build stunning and responsive UIs using Tailwind.
  • Write clean, well-documented, and human-readable code that is easy to maintain and understand.
  • Ensure high code quality and performance, with a strong focus on rigorous testing and optimization.
  • Work closely with backend engineers to integrate APIs and ensure seamless data flow between the client and server.
  • Play a key role in the release process, from code review to deployment.
  • Contribute to a monorepo environment, ensuring consistency and best practices across multiple projects.
  • Actively communicate with business stakeholders and team members across various time zones in Europe and Asia.
  • Mentor and guide junior developers, fostering a culture of knowledge sharing and continuous improvement.
  • Stay up to date with the latest industry trends, technologies, and best practices in front-end development.

Your skills and experience that will help you excel

  • 7+ years of professional front-end development experience
  • Proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3, and modern styling techniques.
  • In-depth knowledge of JavaScript bundlers, including the ability to troubleshoot and optimize build configurations.
  • Advanced proficiency in React with deep knowledge of hooks, context, and the component lifecycle.
  • Strong understanding of APIs (REST, GraphQL), asynchronous programming, and state management patterns. Experience with TanStack Query or similar libraries for efficient and performant data handling.
  • Mastery of Tailwind CSS for rapid and consistent UI development.
  • Demonstrable experience with Next.js 14 or 15 or a similar server-side rendering framework.
  • Extensive experience working with large codebases, ideally in a monorepo setup.
  • A strong commitment to code quality, readability, and performance. Familiarity with testing frameworks (such as Jest, React Testing Library, or Cypress), knowledge of performance optimization techniques and tools (e.g., Lighthouse, Chrome DevTools)
  • Advanced level Git expertise, including complex branching strategies, rebasing, and resolving merge conflicts in a large team setting.
  • Excellent communication skills, with a proven ability to collaborate effectively with a diverse, remote team.
  • Bachelor’s degree in Computer Science, Engineering, or a related field.

About MSCI

What we offer you

  • Transparent compensation schemes and comprehensive employee benefits, tailored to your location, ensuring your financial security, health, and overall wellbeing.
  • Flexible working arrangements, advanced technology, and collaborative workspaces.
  • A culture of high performance and innovation where we experiment with new ideas and take responsibility for achieving results.
  • A global network of talented colleagues, who inspire, support, and share their expertise to innovate and deliver for our clients.
  • Global Orientation program to kickstart your journey, followed by access to our Learning@MSCI platform, LinkedIn Learning Pro and tailored learning opportunities for ongoing skills development.
  • Multi-directional career paths that offer professional growth and development through new challenges, internal mobility and expanded roles.
  • We actively nurture an environment that builds a sense of inclusion belonging and connection, including eight Employee Resource Groups. All Abilities, Asian Support Network, Black Leadership Network, Climate Action Network, Hola! MSCI, Pride & Allies, Women in Tech, and Women’s Leadership Forum.

At MSCI we are passionate about what we do, and we are inspired by our purpose – to power better investment decisions. You’ll be part of an industry-leading network of creative, curious, and entrepreneurial pioneers. This is a space where you can challenge yourself, set new standards and perform beyond expectations for yourself, our clients, and our industry.

MSCI is a leading provider of critical decision support tools and services for the global investment community. With over 50 years of expertise in research, data, and technology, we power better investment decisions by enabling clients to understand and analyze key drivers of risk and return and confidently build more effective portfolios. We create industry-leading research-enhanced solutions that clients use to gain insight into and improve transparency across the investment process.

MSCI Inc. is an equal opportunity employer. It is the policy of the firm to ensure equal employment opportunity without discrimination or harassment on the basis of race, color, religion, creed, age, sex, gender, gender identity, sexual orientation, national origin, citizenship, disability, marital and civil partnership/union status, pregnancy (including unlawful discrimination on the basis of a legally protected parental leave), veteran status, or any other characteristic protected by law. MSCI is also committed to working with and providing reasonable accommodations to individuals with disabilities. If you are an individual with a disability and would like to request a reasonable accommodation for any part of the application process, please email Disability.Assistance@msci.com and indicate the specifics of the assistance needed. Please note, this e-mail is intended only for individuals who are requesting a reasonable workplace accommodation; it is not intended for other inquiries.

To all recruitment agencies

MSCI does not accept unsolicited CVs/Resumes. Please do not forward CVs/Resumes to any MSCI employee, location, or website. MSCI is not responsible for any fees related to unsolicited CVs/Resumes.

Note on recruitment scams

We are aware of recruitment scams where fraudsters impersonating MSCI personnel may try and elicit personal information from job seekers. Read our full note on careers.msci.com

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I came for the software engineering challenge, but I stayed for the chance to make a difference to our climate.

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“Our Women in Tech community is a huge network, which means you can connect with people you don’t traditionally get to connect with.

And that’s so important, because visibility and community are essential for helping women in technology figure out their path to success.

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Benefits

At MSCI, we provide competitive benefits programs in every region in which we do business. 

Wherever you are with us, you will find benefits that can help ensure your health, wellbeing and financial security, so you can be at your best both in work and in your personal life. Our Here For You Employee Assistance Program provides financial and legal advice, confidential emotional support and free access to online information, resources and tools. 

Development opportunities

Guided by your manager, our learning and development opportunities empower you to perform at your best, make an impact and shape your career. 

Career paths are multidirectional and we believe new and challenging experiences drive personal growth and innovation. With access to LinkedIn Learning Pro and our bespoke Learning@MSCI platform, you can easily customize and tailor your learning journey to accelerate your career.

Toronto

1 First Canadian Place
100 King Street West  Suite 4540
M5B 1B1
Toronto
Canada

Recruitment process

  1. Apply online

    First, click Apply and upload a CV that shows us the skills and passion you could bring to this role, as well as your contact details so we can reach out to you. 

  2. Talk to our recruiter

    If you look like a good match, our recruiters will arrange a chat where we’ll ask about your motivations, experience, and background, and where you can ask us anything you want to know about working at MSCI.

  3. Interview with our team

    If you like what you hear, and we think you have what we need, then it’s time to interview with your future team, either virtually or in the office. These interviews will give you a clear insight into the team and the day-to-day responsibilities of the role. Read our interview top tips.

  4. Make your decision

    If you’re successful, we’ll make you an offer and give you any further information you need to help you make your decision. If the answer is yes, it’s time for some background checks, and then we’ll welcome you on board. Learn more about our onboarding experience.

Senior React Developer

Job Reference:
2025-3824
Location:
Toronto
Category:
Technology
Solution:
Other
Job Level:
Vice President
Job Type:
Full-Time
Apply now

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