Founding Engineer
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Before you apply
Salary$180k – $220k
LocationSan Francisco, United States
Typefull-time
SenioritySenior
DepartmentEngineering
EquityIncluded
Company size1–10 people
PostedOct 15, 2025 · 1y ago
Verified live2d ago
May no longer be actively hiring
Posted by the company on Oct 15, 2025
At a glanceSummarised by Seekless from the posting.
Building and maintaining backend systems for AI-driven tax prep platform
Experience with model pipelines, data extraction logic, and integrations
Working closely with engineering, product, and tax operations
Building vision-language pipelines for structured data extraction from documents
Testing and improving extraction accuracy on complex tax forms
Distributed cloud infrastructure for concurrent processing
Integrations with major tax software systems, file portals, and document management tools
Improving client-facing surface area (intake, output artifacts, review process)
Skills
Python
About the role
Magnetic is hiring a Founding Software Engineer to join our small team. You’ll be responsible for building and maintaining the backend systems that power our AI-driven tax prep platform, including model pipelines, data extraction logic, and integrations with tax software, as well as improving our client-facing touchpoints. You’ll work closely with engineering, product, and tax operations to ship features that directly improve speed, accuracy, and reliability for our customers.
What You’ll Build
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Vision-Language pipelines that process and extract structured data from unstructured client tax documents, relying on AI models, deterministic rules, and human-in-the-loop corrections.
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Systems to test and improve extraction accuracy on complex tax forms, handwritten notes, brokerage statements, and K-1s.
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Distributed cloud infrastructure to process thousands of client files concurrently across multiple firms and tax seasons.
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Integrations with major tax software systems, file portals, and document management tools.
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Features to improve our own client-facing surface area (intake, output artifacts, review process)
Benefits
In line with our goal of creating a small, talent-dense team that genuinely enjoys working together, we believe in paying well and doing so transparently. When possible, we benchmark all of our roles using Pave (pave.com) and tie our compensation to be in line with milestones we aspire to, not where we currently are. This means that although we are a seed-stage company, we benchmark against data from companies that are Series A+ ($10M - $20M raised) located in the SF Bay area, so as to set compensation to:
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Salary - 60th percentile of Series A cos
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Equity - 75th percentile of Series A cos (as measured by value, not %age)
The base pay range for this role is $180,000 – $220,000 per year.