Remote Senior Full-Stack Engineer - Multi-Tenant SaaS AI

Confidential; Plano (TX); Hybrid; USD 69,000 - 110,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

PTO

401k

Remote flexibility

Job summary

Confidential is seeking a senior full-stack developer to design multi-tenant data models and build features using Laravel/PHP and React/TypeScript. You will enforce tenant isolation, evolve PostgreSQL schemas, and implement AI-powered capabilities such as semantic search and LLM tooling.

The role requires strong testing discipline, CI/CD, and experience with Docker, OAuth2, and micro-frontend architecture in a fast-paced SaaS environment.

Qualifications

• 5+ years of professional full-stack web development experience.

Responsibilities

• Design multi-tenant data models and enforce tenant isolation across every data path.
• Build full-stack features across Laravel/PHP services and React/TypeScript frontends.
• Design and evolve PostgreSQL schemas and create migrations that are safe for live data.
• Build and consume REST APIs, queued jobs, and scheduled tasks.
• Design, develop, and refine AI-powered features such as semantic search, reranking, and LLM tooling.
• Integrate third-party systems including CRM platforms, marketing automation tools, email service providers, and Microsoft 365 services.
• Maintain cross-service authentication using OAuth2 token-based access and role-based permission controls.
• Work within a micro-frontend architecture that combines independent apps into a unified dashboard, while maintaining shared contracts and consistency.
• Own end-to-end quality through unit, feature, and end-to-end tests using PHPUnit, Vitest, and Playwright.
• Maintain CI/CD pipelines, Docker-based environments, and post-deployment verification.

Skills

Laravel PHP

Eloquent

Migrations

Queues

Testing

TypeScript

React

Vite

Tailwind CSS

PostgreSQL

REST APIs

CI/CD

Docker

Git

OAuth2

RBAC

AI/ML

LLMs

pgvector

Nginx

Redis

Playwright

Tools

Laravel Passport

Sanctum

Playwright

Vitest

Jest

AWS

S3

EC2

Lambda

pgvector

Job description

Confidential is seeking a senior full-stack developer to design multi-tenant data models and build features using Laravel/PHP and React/TypeScript. You will enforce tenant isolation, evolve PostgreSQL schemas, and implement AI-powered capabilities such as semantic search and LLM tooling.

The role requires strong testing discipline, CI/CD, and experience with Docker, OAuth2, and micro-frontend architecture in a fast-paced SaaS environment.