Senior Software Engineer
AI Summary
You will lead the design and implementation of the core product architecture for an AI-first tax platform. Additionally, you will build and scale user-facing experiences across the full stack while mentoring other engineers.
The ideal candidate has significant experience building and scaling production web applications with an ownership mindset. You should be comfortable working across the entire stack and enjoy collaborating in person with a small team.
Job Details
Benefits
Key Skills
About Us
Marble is building an AI-powered tax assistant and preparation platform that transforms how accounting firms and their clients handle tax season. We’re targeting the pain points of mid-to-large size accounting firms with intelligent tools designed to streamline complex tax workflows. We’re early stage, highly collaborative, and deeply focused on solving real, high-impact problems for our customers.
About the Role
We're searching for a talented and driven Senior Software Engineer to help define and build the foundation of our AI-first tax platform. This is a high-impact role for someone who wants ownership over architecture, technical direction, and core product decisions. You will be working across our user-facing apps and backend services to build a robust, intelligent, and intuitive user experience that will redefine tax preparation.
If you enjoy working through ambiguity with a small team and are passionate about leveraging AI tools to solve real-world problems, we want to hear from you.
What You’ll Do
Be at the cutting-edge of building the AI-first tax prep platform of the future
Lead design and implementation of core pieces of our product architecture
Build and scale user-facing experiences across the stack
Be comfortable operating across our entire stack and product lifecycle end-to-end
Mentor engineers and raise the bar on execution as you contribute to best practices
What We’re Looking For
You have significant experience building and scaling production web applications
You have an ownership mindset and strong convictions of what it means to build a great product
You love being focused on solving customer problems and delivering the most value to them
You enjoy collaborating in person, whether whiteboarding, pairing, or reviewing designs with teammates
Bonus Points
Working with AI products and tools
Working with ETL pipelines or managing data at scale
Working at fast-paced startups with product-led growth
Experience in the tax, accounting, or fintech space
Tech we use
Frontend: React, Remix (React-Router)
Backend: Typescript, Node.js (Fastify), Postgres, Weaviate
Infra: AWS, Kubernetes, Terraform, Airflow
Why Join Us?
Build the tax prep platform of the future by making sense of vast amounts of tax data
Work at the forefront of applying the latest AI strategies to solve real, high-value problems
Help shape an early-stage product alongside a pragmatic team that gives you ownership and supports you in taking on new challenges.
Highly competitive compensation, equity, and benefits
About Marble
Marble develops AI tools for accounting firms, enhancing efficiency through citation-backed tax research, memo drafting, and workflow automation in San Francisco, New York, and Toronto.