Lead Fullstack Engineer / St Louis / Java / React / MongoDB

Job Description

We are seeking a Lead Fullstack Engineer with strong experience in Java, React, and MongoDB to join a Wealth and Investment Management Technology team modernizing a core financial advisor platform. This role is part of a major initiative to overhaul a 25+ year-old legacy system, replacing outdated infrastructure with a modern Spring Boot and microservices-based architecture. The project will streamline account maintenance for financial advisors, reducing legal documentation from 90+ pages to just eight, and significantly improving workflow efficiency.

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\nIf you’re excited about building scalable applications, working across both frontend and backend (50 / 50 split), and leading efforts to modernize mission-critical platforms, this is an opportunity to make a large-scale impact. You’ll join a highly collaborative engineering team working in agile ceremonies while spending the majority of time hands-on coding.\nRequired Skills & Experience

• 7+ years of professional software engineering experience
• Strong expertise with Java Spring Boot for backend development
• Proficiency with React for frontend development
• Experience working with MongoDB or other NoSQL databases
• Fullstack development background with a balance of frontend and backend work
• Ability to write clean, maintainable, well-tested code in a collaborative environment
• Experience working in agile teams (stand-ups, retrospectives, sprint planning)\n

Desired Skills & Experience

What You Will Be Doing

The Offer\nYou will receive the following benefits :

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\nApplicants must be authorized to work in the U.S. on a full-time basis now and in the future.

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\n#LI-OP