Onshore builds AI-native tax software for the people who build America. Farmers, manufacturers, and founders do the R&D that moves this country forward — and most never get the credit they've earned. We're fixing that: our agents do the analysis that used to take CPAs weeks, our experts review it, and our customers get their money back. We started with R&D tax credits and are expanding into agricultural incentives, corporate tax returns, and other tax incentives.
We're hiring a Software Engineer II to own product end-to-end across our stack.
**What you'll do**
* Own full-stack features from spec to production across our Vite + React frontend (shadcn, Tailwind) and TypeScript backend (Bun, Hono, SST v3 on AWS — Lambda, ECS/Fargate, SQS, Aurora Postgres with Drizzle).
* Build in one of four areas: the core R&D credit platform, agriculture incentives, corporate tax and compliance (our 1120-S product), or agentic infrastructure.
* Build AI-powered pipelines that ingest, extract, and verify client data at scale — agents, RAG (Pinecone), and durable execution workflows.
* Work directly with founders, tax experts, and customers; mentor SWE Is as the team grows.
**Our stack**
* TypeScript end-to-end — Bun + Hono services, Vite + React (shadcn, Tailwind) on the front.
* SST v3 on AWS: Lambda, ECS/Fargate, SQS, Step Functions.
* Aurora Postgres with Drizzle ORM, Pinecone for RAG, Clerk for auth.
* Frontier LLMs powering extraction, analysis, and agent workflows.
**You should have**
* 2+ years building production software, ideally full-stack.
* Strong TypeScript and React. Comfort in a serverless AWS environment is a plus.
* A bias toward shipping and an eye for craft.
**Compensation**
* $185k base
* Equity
* Full benefits
Visa sponsorship is not available for this role.
