# Full Stack Engineer \(Warsaw\) - Company: [Salespatriot]() - Location: Warsaw Office - Team: Core Team - Employment type: Full Time - Salary: $85K – $120K - Posted: September 26, 2025 ## 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** * YC W25 company. Top 5% growth in batch * Raised $10M+ on a hyper-growth trajectory. * Backed by Paul Graham, SV Angel, Pear VC, and CRV * Team of 17 Co-live in our Warsaw & SF Hacker Houses * 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. * Backend-leaning fullstack role using Svelt/Typescript/Postgres. * Design, develop, and maintain full-stack application functionality, including: + Frontend UI + Backend services and APIs + AI workflows and validation systems + Database schemas and data models * Organize, keep track of, and deliver multiple projects in parallel # **What We’re Looking For** * Absolute grinder. Interested in co-living (though not required). * Comfortable with ambiguity and rapid change. * Track record of shipping fast. * Experience architecting systems independently * Motivated by taking an unknown problem, sinking your teeth in, and coming up with a plan of attack. * Experience in shipping projects and products. **Be ready to show us at least one full-stack** project (GitHub repo / web app / Loom demo video). * Proficiency in TypeScript, JavaScript, and at least one frontend library (React, Svelte, Next etc). * Knowledge of SQL databases, preferably **Postgres.** * Proficiency in writing, optimizing, and troubleshooting complex SQL queries for data extraction, transformation, and integration. * Strong understanding of software engineering best practices, including version control, testing, and documentation * Ability to work effectively in fast-paced, high-accountability environments * Low ego, curiosity, and intellectual honesty - focused on outcomes, not “being right" # ## Apply [Apply on Salespatriot]() Canonical job page: