Core Engineer
About The RoleBuild the AI-native operating system replacing 1980s supply chain infrastructure for defense, aerospace, and industrial distributors. SF, on-site, YC W25.The missionAmerica's industrial base runs on systems built in the 1980s. Billions of dollars in critical components — F-35 parts, industrial assemblies, electronics, bolts, 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 FactsYC W25 company — top 5% growth in batchRaised $10M+ from Paul Graham, SV Angel, Pear VC, and CRVTeam of 20 co-living in SF & Warsaw Hacker Houses7-figure ARR transacting ~$50M a week through our systemThe roleOur Core Engineers work closely with the platform team and customer-facing forward deployed teams to design, build, and maintain robust full-stack systems that integrate with complex legacy environments and support high-value, high-impact supply chain operations.Full-time, in-person in San Francisco — this is not a remote roleBackend-leaning full-stack using Svelte / TypeScript / PostgresDesign, develop, and maintain full-stack application functionality end-to-endOrganise, track, and deliver multiple projects in parallelWhat we're looking forAbsolute grinder — motivated by hard problems, not comfortable processesComfortable with ambiguity and rapid changeTrack record of shipping fastExperience architecting systems independentlyMotivated by taking an unknown problem, sinking your teeth in, and coming up with a plan of attackReady to show at least one full-stack project (GitHub repo, web app, or Loom demo)Proficiency in TypeScript, JavaScript, and at least one frontend library (React, Svelte, Next.js, etc.)Strong knowledge of SQL databases — preferably Postgres; proficient at writing, optimising, and troubleshooting complex queriesStrong understanding of software engineering best practices: version control, testing, documentationAbility to work effectively in fast-paced, high-accountability environmentsLow ego, curious, and intellectually honest — focused on outcomes, not "being right"Any experience level welcome — new grads considered.The processInitial call with engineer → Technical screening → Quick call with founder → Fly out to SF HQ for onsite (on us) → OfferCompensation$150K–$220K base salary0.15%–0.20% equityUS citizens / visa holders onlyRequired SkillsTypeScriptSveltePostgreSQLFull-stackPythonReactNext.jsSalary: SalaryCurrency.USD 150K - 220K