Senior Software Engineer

About the role

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 hiring a Senior Software Engineer to help build the core product experience of our AI-first tax platform. As an early hire, you'll play a pivotal role in shaping the core architecture and features of our innovative AI-powered tax platform from its inception. This is a unique opportunity to contribute significantly to a fast-paced, AI-first startup, working across our applications to build a robust, intelligent, and intuitive user experience that will redefine tax preparation.

If you thrive in dynamic environments 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

Focus on building out our core user experiences

Work closely with the founding team to build out our product roadmap

Apply our AI-driven tax data throughout our platform

Be comfortable operating across our entire stack and product lifecycle end-to-end

What We’re Looking For

You have experience building and scaling user-facing web apps

You’ve worked with a variety of web frameworks (frontend and backend)

You have strong product intuition and attention to detail

You love being focused on solving customer problems and delivering the most value to them

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

Build from 0 -> 1 alongside a team that values autonomy, pragmatism, and rewards self-initiative

Highly competitive compensation, equity, and benefits