Senior Software Engineer

Marble; San Francisco (CA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive compensation

Equity in the company

Benefits package

Job summary

Marble is looking for a Senior Software Engineer in San Francisco, California. This role involves building the core product experience of an AI-powered tax platform. As an early hire, you will contribute to shaping the architecture and features of the platform. Ideal candidates will have experience in user-facing web apps, web frameworks, and a focus on customer problem-solving. Competitive compensation and equity are offered as part of a collaborative team environment.

Qualifications

• Candidates should have experience in building and scaling user-facing web applications.
• Knowledge of various web frameworks is required.
• Candidates need to display a strong intuition for product development.

Responsibilities

• Build the AI-first tax preparation platform.
• Develop core user experiences.
• Collaborate with the founding team on the product roadmap.

Skills

Experience building and scaling user-facing web apps

Experience with a variety of web frameworks

Strong product intuition

Attention to detail

Focus on solving customer problems

Tools

React

Node.js

Typescript

Postgres

AWS

Kubernetes

Terraform

Airflow

Job description

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