About this opportunity
Essoflo lists this Senior Full-Stack Engineer opportunity in northern, Kentucky. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Features from the schema to the screen — a Postgres migration, the row-level security on top of it, the service layer, and the React that renders it.
The editor: a ReactFlow canvas, a table view, a document view and a presenter mode that all read and write the same procedure and have to stay in sync.
The AI features: drafting a procedure from a description or an uploaded document, answering questions about one, and being clear in the UI about what the model actually did.
Performance and correctness in a multi-tenant app, where a leak between organizations is the worst bug we could ship.
What we look for
Several years writing production TypeScript and React, including the messy parts: state that outlives a component, data that arrives out of order, complicated forms.
Real Postgres experience. You can read a query plan, and you know why an access rule belongs in the database rather than in a handler.
You write things down: a design note before you build, and comments that explain why rather than restating the code.
Comfort owning a feature all the way out, including when it is live and something is wrong.
Nice to have
Next.js App Router and React Server Components in production.
Supabase, or another stack where auth, storage and the database come together.
Having built with LLMs somewhere real: streaming, structured output, and knowing when a model is the wrong tool.
Optional. Not having these would not rule anyone out.
The first ninety days
By ninety days you would have shipped a feature touching the database, the API and the editor, and be the person the team asks about that part of the system.
How we hire
1 A thirty-minute conversation about the role and what you are looking for.
2 A longer conversation about work you have done.
3 A short exercise or working session, scoped and agreed in advance.
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Who can apply
Review the original listing for work authorization, qualifications and employer requirements.