Full Stack Engineer for API and LLM

Posted 4 days ago

Only freelancers located in the U.S. may apply.U.S. located freelancers only

Summary

We need a full stack engineer to build a system that ingests call detail logs through an API, stores the data in a reliable database, and makes it available for querying. The solution should support efficient data retrieval and be integrated with a language model for downstream use. You will help design the architecture, implement the data pipeline, and ensure the system is scalable and maintainable. Experience with API integrations, database design, and working with AI systems is important for this role.

Less than 30 hrs/week
Hourly
6+ months
Duration
Intermediate
Experience Level
$15.00
-
$40.00
Hourly
Remote Job
Ongoing project
Project Type
Contract-to-hire
This job has the potential to turn into a full time role

Skills and Expertise

Mandatory skills

JavaScript

PHP

Nice-to-have skills

Node.js

PostgreSQL Programming

Activity on this job

Proposals:50+
Interviewing:
5
Invites sent:
9
Unanswered invites:
3

About the client

Member since Aug 21, 2025

USA
Irvine2:11 PM
$1.9K total spent
4 hires, 1 active
17 hours

Explore similar jobs on Upwork

DevOps & Full-Stack Developer for Homelab AutomationFixed-price‐ Posted 2 months ago

JavaScript

Node.js

PHP

Web Application

AI App Development

DevOps

API

Git

MySQL

Cs2 Gambling SiteFixed-price‐ Posted 4 weeks ago

Gambling

Unity

Counter Strike

AR & VR

Online Gambling Website

Card Game

Board Game

Unreal Engine

MetaMask

Mystery Box

iGaming

WebGL

Game Development

Gaming

Multiplayer

Game UI/UX Design

UI/UX Prototyping

Steam API

AI Development

PixiJS

How it works

Create your free profile
Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
Work the way you want
Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
Get paid securely
From contract to payment, we help you work safely and get paid securely.