Full Stack Engineer (Warsaw)
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At a glance
Job overview
SalesPatriot is hiring a Full Stack Engineer (Warsaw). SalesPatriot is building an AI‑native platform to modernize defense, aerospace and industrial supply‑chain operations, replacing legacy email and Excel processes with autonomous quoting, procurement and real‑time intelligence. The team of 17 lives in co‑living hacker houses in Warsaw and San Francisco, driving rapid growth and high‑impact solutions for critical national components.
Key focus areas include Design, develop, and maintain full‑stack application functionality, Organize, keep track of, and deliver multiple projects in parallel, and Integrate complex legacy environments with high‑value supply‑chain systems.
Successful candidates bring Track Record Of Shipping Fast, Experience Shipping Projects And Products, and Full-Stack Project Portfolio. Important skills include Svelt, TypeScript, PostgreSQL, Frontend UI Development, Backend Services Development, and API Development.
Skills & qualifications
Skills
Qualifications
Full job description
THE MISSION
America's industrial base runs on systems built in the 1980s.
Billions of dollars in critical components (F-35 parts, industrial assemblies, electronics, bolts, and hoses) still move through email threads, excel sheets, and disconnected ERPs.
We're replacing that with an AI-native platform that makes defense, aerospace, and industrial supply-chain operations nearly autonomous. Faster quoting. Faster procurement. Full visibility. Real operational intelligence for the companies our nation depends on.
QUICK FACTS
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YC W25 company. Top 5% growth in batch
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Raised $10M+ on a hyper-growth trajectory.
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Backed by Paul Graham, SV Angel, Pear VC, and CRV
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Team of 17 Co-live in our Warsaw & SF Hacker Houses
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7 figure ARR transacting ~50M a week through our system
THE JOB
The Senior Software Engineer will work closely with other engineers on the platform team and customer-facing forward deployed teams to design, build, and maintain robust full systems that integrate with complex legacy environments and support high-value, high-impact supply chain systems.
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Backend-leaning fullstack role using Svelt/Typescript/Postgres.
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Design, develop, and maintain full-stack application functionality, including:
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Frontend UI
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Backend services and APIs
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AI workflows and validation systems
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Database schemas and data models
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Organize, keep track of, and deliver multiple projects in parallel
WHAT WE’RE LOOKING FOR
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Absolute grinder. Interested in co-living (though not required).
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Comfortable with ambiguity and rapid change.
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Track record of shipping fast.
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Experience architecting systems independently
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Motivated by taking an unknown problem, sinking your teeth in, and coming up with a plan of attack.
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Experience in shipping projects and products. Be ready to show us at least one full-stack project (GitHub repo / web app / Loom demo video).
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Proficiency in TypeScript, JavaScript, and at least one frontend library (React, Svelte, Next etc).
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Knowledge of SQL databases, preferably Postgres.
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Proficiency in writing, optimizing, and troubleshooting complex SQL queries for data extraction, transformation, and integration.
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Strong understanding of software engineering best practices, including version control, testing, and documentation
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Ability to work effectively in fast-paced, high-accountability environments
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Low ego, curiosity, and intellectual honesty - focused on outcomes, not “being right"
You've read the whole posting — now see how you match it.