Senior Software Engineer, Full Stack

FreeWill

full-time

Posted on: 9/18/2025

Origin: • 🇺🇸 United States

✨ AI Apply

💰 $160,000 - $170,000 per year

Senior

AWSCloudJavaScriptNode.jsPostgresReactSQLTypeScript

About the role

Independently own the design and development of new features
Drive technical initiatives that improve quality, efficiency, and sustainability for the team
Work on a modern stack, including React, TypeScript, Node.js, PostgreSQL, and AWS
Interact closely with a diverse team across legal, growth, sales, design, and product
Contribute to the rapid iteration and experimentation required in a 0 to 1 product phase
Explore and integrate AI/ML capabilities into products where they can create meaningful value for users
Mentor junior and mid-level engineers and share knowledge through code reviews, pair programming, 1-1 conversations, and broader team trainings

5+ years building production systems for complex web applications
Experience leading projects on teams consisting of multiple engineers, a product manager, and designer
Business-to-Business and/or Business-to-Business-to-Consumer experience preferred
Experience with fintech and/or estate planning a plus
Early startup experience strongly preferred
Proficient in web architecture including React, API design, and developer tooling
Familiar with TypeScript, Express, SQL, observability, performance optimization, continuous integration, automated testing, and cloud infrastructure
Exposure to AI/ML APIs, frameworks, or tools and interest in applying them creatively in production environments
Comfortable operating in fast-moving, ambiguous environments and building scrappy, scalable solutions
Mentoring experience: mentor junior and mid-level engineers, code reviews, pair programming, trainings
Must have work authorization in the United States; employer cannot sponsor work visas
Able to work from anywhere in the US except Alabama, Colorado, or Louisiana