Senior AI Fullstack Engineer — Remote, Flexible Hours

Lumenalta; United States; Remote; USD 96,000 - 120,000; Full time

Benefits offered by this job

Health insurance (medical and dental)

401K Contribution

15 days PTO annually

Professional development fund

Job summary

Lumenalta is seeking a Senior AI Fullstack Software Engineer to own front-to-back development with JavaScript, TypeScript, and Python. You will build secure, scalable APIs and contribute to AI harnesses and prompt engineering from a fully remote setting in the U.S. market.

You will collaborate with enterprise clients, design modular architectures, and ship AI-powered solutions across the stack. Strong communication and leadership in a remote team are essential.

Qualifications

• 7+ years in JavaScript/TypeScript/Node.js ecosystem.
• Strong Python expertise and async services.
• Experience building with AI tools, prompt debugging, and AI harnesses.

Responsibilities

• Collaborate with visionary enterprise clients.
• Write clean, secure, and testable TypeScript code across the stack.
• Design, build, and maintain RESTful, GraphQL, and WebSocket APIs.
• Extend AI workflows and harnesses; manage infrastructure, prompt engineering, debugging, and evaluations.

Skills

JavaScript

TypeScript

Node.js

Express

MongoDB

SQL

AWS

Python

AI harnesses

Tools

Express

MongoDB

SQL

Job description

Lumenalta is seeking a Senior AI Fullstack Software Engineer to own front-to-back development with JavaScript, TypeScript, and Python. You will build secure, scalable APIs and contribute to AI harnesses and prompt engineering from a fully remote setting in the U.S. market.

You will collaborate with enterprise clients, design modular architectures, and ship AI-powered solutions across the stack. Strong communication and leadership in a remote team are essential.