{"schemaVersion":"jobsearcher.job.v1","id":"d812883e03c40fe5fa876e33","url":"https://jobsearcher.com/jobs/d812883e03c40fe5fa876e33","canonicalUrl":"https://jobsearcher.com/jobs/d812883e03c40fe5fa876e33","title":"Senior Full Stack Developer","description":"About the product\r\nBrand licensing is a massive global industry that still runs on introductions and paperwork. At Negosh,\r\nwe're rebuilding it around AI. Brands and manufacturers find each other on our marketplace, an in-app\r\nassistant walks them through structuring and closing the deal, and we work with some of the biggest\r\nbrand owners in the world, helping them automate and improve their licensing programs. Very little\r\nsoftware has ever reached this market, so almost everything we ship is the first version of itself.A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.The role\r\nYou'll own features end-to-end across a TypeScript codebase on both sides of the wire: a Fastify +\r\nPrisma backend and a Next.js + React frontend. A typical feature runs from a Prisma schema change and migration, through Zod-validated Fastify routes, to React Query hooks and MUI views — and ships with route-level integration tests that run against real Postgres and Redis in containers. If that sounds like your kind of loop, read on.\r\nDesign and ship full-stack features across ~40 backend domain modules and a large component- driven frontend.\r\nBuild and extend LLM-powered features: structured-output prompting, evidence gating, embeddings and vector search (pgvector), token budgeting, and cost tracking.\r\nWork on high-stakes negotiation flows: deal memo revisions, renewals, e-signature (DocuSign), payments (Stripe, Plaid, Tipalti).\r\nExtend the multi-tenant white-label architecture — per-site theming, custom-domain SSO\r\n(OIDC), site-scoped data.\r\nMaintain quality through heavy automated testing: Mocha + Testcontainers integration suites on the backend, Vitest + React Testing Library on the frontend.Our stack\r\nBACKEND\r\nTypeScript · Node.js · Fastify · Prisma · PostgreSQL + pgvector · Redis · Elasticsearch · Zod · OpenAI SDK · Cloudflare R2 · DockerFRONTEND\r\nNext.js · React 18 · TypeScript · MUI + Emotion · TanStack Query · Zustand · react-hook-form · next- i18next · Stripe.jsTESTING & DELIVERY\r\nMocha + Testcontainers · Vitest + RTL · GitHub Actions · TeamCity · Sentry · SinonMust have\r\nAI - Augmented Development\r\nThis one really matters to us: you use AI tools to augment your development, and you're good at it.\r\nAgentic coding tools (Claude Code, Cursor, Copilot, or similar) are a daily part of your workflow — you\r\ndirect them well, review and validate what they produce, and know when not to trust them. We invest a lot in making our codebase legible to both humans and AI agents (convention docs, a linted project wiki, strong test guardrails), and you'll help us keep that going.5+ years of professional full-stack experience, with deep TypeScript on both the server and the client.\r\nProduction Node.js API experience — designing REST endpoints, request/response validation, auth (JWT/OIDC), background workers, and queues.\r\nProduction React experience — component architecture, server-state management (React Query or similar), forms, and responsive UI in a large codebase.\r\nStrong relational-database skills — schema design, migrations, and query performance in PostgreSQL (we run ~60 models and 400+ migrations).\r\nTesting discipline — you write integration and unit tests as part of shipping, not after.\r\nOwnership — you can take a loosely specified feature from a ticket to production, including the edge cases, the tests, and the docs. Since we're fully remote, this kind of self-direction is how we all work.Nice to have\r\nExperience building LLM product features: structured outputs, embeddings/RAG, agentic pipelines, prompt evaluation, cost control.\r\nFastify, Prisma, MUI, or Next.js specifically.\r\nMulti-tenant SaaS, payments infrastructure, or e-signature integrations.\r\nInternationalization, media processing pipelines (ffmpeg, sharp), or search (Elasticsearch, vector search).How we work\r\nWe're a small, senior, fully remote team — high trust, high autonomy, and no one looking over your\r\nshoulder. Every change ships behind CI gates (typecheck, lint, and full test suites on both repos), and\r\nbackend integration tests run against disposable Postgres and Redis containers, so tests exercise real\r\nbehavior rather than mocks. We document architecture decisions in a source-backed project wiki that\r\nboth engineers and AI agents rely on, and we treat that documentation as part of the definition of done. Work from wherever you do your best work. xsgimlnRemote working/work at home options are available for this role.","company":"Negosh","rawCompany":"negosh","city":"Myrtle Point","state":"OR","isRemote":false,"isActive":false,"createdAt":"2026-10-09T01:09:30.918Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Full Stack Developer","description":"About the product\r\nBrand licensing is a massive global industry that still runs on introductions and paperwork. At Negosh,\r\nwe're rebuilding it around AI. Brands and manufacturers find each other on our marketplace, an in-app\r\nassistant walks them through structuring and closing the deal, and we work with some of the biggest\r\nbrand owners in the world, helping them automate and improve their licensing programs. Very little\r\nsoftware has ever reached this market, so almost everything we ship is the first version of itself.A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.The role\r\nYou'll own features end-to-end across a TypeScript codebase on both sides of the wire: a Fastify +\r\nPrisma backend and a Next.js + React frontend. A typical feature runs from a Prisma schema change and migration, through Zod-validated Fastify routes, to React Query hooks and MUI views — and ships with route-level integration tests that run against real Postgres and Redis in containers. If that sounds like your kind of loop, read on.\r\nDesign and ship full-stack features across ~40 backend domain modules and a large component- driven frontend.\r\nBuild and extend LLM-powered features: structured-output prompting, evidence gating, embeddings and vector search (pgvector), token budgeting, and cost tracking.\r\nWork on high-stakes negotiation flows: deal memo revisions, renewals, e-signature (DocuSign), payments (Stripe, Plaid, Tipalti).\r\nExtend the multi-tenant white-label architecture — per-site theming, custom-domain SSO\r\n(OIDC), site-scoped data.\r\nMaintain quality through heavy automated testing: Mocha + Testcontainers integration suites on the backend, Vitest + React Testing Library on the frontend.Our stack\r\nBACKEND\r\nTypeScript · Node.js · Fastify · Prisma · PostgreSQL + pgvector · Redis · Elasticsearch · Zod · OpenAI SDK · Cloudflare R2 · DockerFRONTEND\r\nNext.js · React 18 · TypeScript · MUI + Emotion · TanStack Query · Zustand · react-hook-form · next- i18next · Stripe.jsTESTING & DELIVERY\r\nMocha + Testcontainers · Vitest + RTL · GitHub Actions · TeamCity · Sentry · SinonMust have\r\nAI - Augmented Development\r\nThis one really matters to us: you use AI tools to augment your development, and you're good at it.\r\nAgentic coding tools (Claude Code, Cursor, Copilot, or similar) are a daily part of your workflow — you\r\ndirect them well, review and validate what they produce, and know when not to trust them. We invest a lot in making our codebase legible to both humans and AI agents (convention docs, a linted project wiki, strong test guardrails), and you'll help us keep that going.5+ years of professional full-stack experience, with deep TypeScript on both the server and the client.\r\nProduction Node.js API experience — designing REST endpoints, request/response validation, auth (JWT/OIDC), background workers, and queues.\r\nProduction React experience — component architecture, server-state management (React Query or similar), forms, and responsive UI in a large codebase.\r\nStrong relational-database skills — schema design, migrations, and query performance in PostgreSQL (we run ~60 models and 400+ migrations).\r\nTesting discipline — you write integration and unit tests as part of shipping, not after.\r\nOwnership — you can take a loosely specified feature from a ticket to production, including the edge cases, the tests, and the docs. Since we're fully remote, this kind of self-direction is how we all work.Nice to have\r\nExperience building LLM product features: structured outputs, embeddings/RAG, agentic pipelines, prompt evaluation, cost control.\r\nFastify, Prisma, MUI, or Next.js specifically.\r\nMulti-tenant SaaS, payments infrastructure, or e-signature integrations.\r\nInternationalization, media processing pipelines (ffmpeg, sharp), or search (Elasticsearch, vector search).How we work\r\nWe're a small, senior, fully remote team — high trust, high autonomy, and no one looking over your\r\nshoulder. Every change ships behind CI gates (typecheck, lint, and full test suites on both repos), and\r\nbackend integration tests run against disposable Postgres and Redis containers, so tests exercise real\r\nbehavior rather than mocks. We document architecture decisions in a source-backed project wiki that\r\nboth engineers and AI agents rely on, and we treat that documentation as part of the definition of done. Work from wherever you do your best work. xsgimlnRemote working/work at home options are available for this role.","datePosted":"2026-10-09T01:09:30.918Z","dateModified":"2026-10-09T01:09:30.918Z","hiringOrganization":{"@type":"Organization","name":"Negosh","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Myrtle Point","addressRegion":"OR","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d812883e03c40fe5fa876e33"},"url":"https://jobsearcher.com/jobs/d812883e03c40fe5fa876e33"}}