Senior Software Engineer

This job is with MSCI, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.

MSCI, Inc. seeks a Senior Software Development Engineer in San Francisco, California to help design, develop, and modernize software systems that power MSCIs index building capabilities. This role focuses on building scalable, data-intensive services and contributing to the adoption of modern architectures, including AI-enabled and agentic solutions.

• Design, implement, and test software components and services supporting index construction and analytics workflows.

• Contribute to modernizing legacy systems by building scalable, maintainable, and cloud-ready solutions.

• Participate in technical design discussions, including data models and system interactions.

• Develop and maintain reliable, well-tested code following established engineering best practices.

• Implement and optimize database interactions for correctness, performance, and scalability.

• Assist in building and integrating AI-enabled or agentic components under guidance from senior engineers.

• Collaborate with cross-functional teams to deliver high-quality solutions aligned with business needs.

• Communicate progress, risks, and trade-offs clearly within the team.

• Solid experience in software development with proficiency in at least one major programming language (e.g., Java, C++, C#, Python).

• Strong database fundamentals, including data modeling, SQL, indexing, and query optimization.

• Experience building or maintaining production-grade, data-intensive systems.

• Familiarity with modern software design principles, data structures, and algorithms.

• Exposure to AI/ML concepts or agentic systems (e.g., workflow orchestration, decision logic, or automation using AI services).

• Familiarity with modern development practices such as CI/CD, code reviews, and automated testing.

• Strong problem-solving skills and ability to work effectively in a collaborative environment.

What we offer you

• Salary range: $189,000 - $260,000 / year plus eligible for annual bonus
• 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, AI Learning Center , 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 Womens Leadership Forum.

At MSCI we are passionate about what we do, and we are inspired by our vision - to power better decisions. Youll 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 strengthens global markets by connecting participants across the financial ecosystem with a common language. Our research-based data, analytics and indexes, supported by advanced technology, set standards for global investors and help our clients understand risks and opportunities so they can make better decisions and unlock innovation. We serve asset managers and owners, private-market sponsors and investors, hedge funds, wealth managers, banks, insurers and corporates.

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 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