Senior Full Stack AI Engineer

Scale Army Careers

. Own and develop the existing internal CRM across the Node.js/Express backend and React frontend .

Posted 9/22/2026contractRemote • Egypt, Argentina, Ethiopia, South Africa, NigeriaSenior💰 $3,400 - $4,800 per monthWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in full-stack software engineering with a focus on Node.js, Express, React, and MongoDB. Capable of managing production deployments, ensuring data security, and integrating AI functionalities into applications.

Highest-signal resume keywords

Node.js DevelopmentReact Frontend DevelopmentMongoDB ManagementOpenAI IntegrationCI/CD Deployment

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Full-Stack Software EngineeringCodebase AuditingMulti-Tenant Application DevelopmentDebugging Live ApplicationsData Privacy and SecurityRedisSocket.IOTechnical Decision-MakingLead Management DevelopmentAI Functionality Maintenance

Soft Skills

Independent WorkBusiness Requirement Translation

Tools & Technologies

GitHubCloudflareAWS S3RenderTwilio VoiceGitHub ActionsAnthropic APIs

Industry Keywords

CRM DevelopmentTechnical Debt ManagementProduction Deployment ProcessesAgent WorkflowsReal-Time Functionality

Tech Stack

Tools & technologies

AWSJavaScriptMongoDBNode.jsReactRedis

About the role

Key responsibilities & impact

Own and develop the existing internal CRM across the Node.js/Express backend and React frontend
Audit the codebase for gaps, bugs, technical debt, security risks, and incomplete functionality
Create a plan to complete and stabilize the CRM
Develop, test, and maintain lead management, communications, agent workflows, reporting, and administrative features
Debug and resolve issues affecting live applications
Maintain and improve AI functionality using OpenAI and Anthropic APIs
Work within the agentic tool gateway, including tool permissions, policy controls, and safety restrictions
Maintain real-time functionality using Redis, Socket.IO, and Twilio Voice
Protect customer and agent data through authentication, authorization, validation, logging, and tenant isolation
Manage deployments and infrastructure across Render, Cloudflare, AWS S3, MongoDB Atlas, GitHub, and GitHub Actions
Maintain CI/CD and production deployment processes
Work with the founder and operations manager to translate business requirements into technical solutions
Build licensing and onboarding systems to replace the current GoHighLevel process
Support additional internal systems, operational technology, and AI implementation projects
Become the primary technical owner of the CRM and establish a stable release process and development roadmap

Requirements

What you’ll need

Senior-level full-stack software engineering experience
Strong hands-on experience with Node.js, Express, React, and MongoDB
Experience taking over, auditing, and improving an existing production codebase
Experience building and maintaining secure, multi-tenant applications
Hands-on experience integrating OpenAI, Anthropic, or comparable LLM APIs into production products
Experience with GitHub, CI/CD, production deployments, and debugging live applications
Strong understanding of authentication, authorization, data privacy, validation, and testing
Experience with Redis and Socket.IO
Experience managing production deployments and infrastructure
Ability to independently audit an existing codebase and determine stabilization and completion work
Ability to make technical decisions without day-to-day engineering oversight
Ability to own technical work from start to finish
Ability to translate business requirements into technical solutions
Required availability during U.S. business hours, 9:00 AM–5:00 PM EST
English resume in PDF format
Required application form and video submission using the same email address