Full Stack Developer (AI-Native)

New

JMAC Lending, Inc.Fintech, Mortgage

Remote, 8-5pm PTFull-TimeMiddle

Salary$90,000-130,000 annually and is also eligible for an annual discretionary bonus

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Job Details

3+ years building and shipping web applications, or equivalent demonstrable project experience.
Fluency with AI coding assistants (Claude Code, Cursor, Codex, or similar).
Strong fundamentals in HTML, CSS, and TypeScript/JavaScript, with hands-on React.
Back-end API experience in at least one of Node.js, C#, or Python.
Working SQL and relational schema design; Postgres ideal.
Ability to work independently once the problem is understood.
Experience with Git and pull-request workflows.
Comfort working where a feature’s intended behavior is defined by test cases and real-world feedback.
Ability to explain how something built works and why the choices were made.
Strong written and spoken communication across technical and business teams.

Build and maintain internal and partner-facing applications, including the broker portal, dashboards, and workflow tools.
Develop front end in React, Next.js, TypeScript, and Tailwind CSS, owning interaction and visual quality.
Develop back-end services and APIs on Azure Functions and Node.js/TypeScript, with Python or C#/.NET for specific services; work in Postgres through an ORM.
Build AI-powered features with real-time streaming responses and keep them correct as prompts, models, and knowledge bases change.
Design and maintain integrations between internal systems, the loan origination system, and third-party platforms.
Build workflow automations using Azure Logic Apps, Power Automate, and low-code tools.
Support the applications and automations owned by this position and the team: triage tickets, fix bugs, and monitor application health.
Update architecture notes, API references, and documentation as part of the development process.

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