Full-Stack Software Engineer

Concentrate AI

Job Overview

Location

United States

Job Type

Full-time

Full Job Description

📋 Description

• As a Full-Stack Software Engineer at Concentrate AI, you will own features end-to-end—from database schema design through production deployment—directly impacting the reliability, scalability, and usability of an enterprise-grade AI model routing platform that helps teams save time and vendor lock-in.
• Day 0 avoid vendor lock-in and optimize token spend.
• You will design and implement full-stack features using TypeScript across React/Next.js frontends and Node.js backends, build and maintain RESTful APIs with authentication and validation, write comprehensive tests, containerize services with Docker, and deploy via CI/CD pipelines while collaborating closely with the founding team on architecture and product strategy.
• Concentrate AI is a VC-backed startup providing a secure, fully managed OpenAI-compatible API for accessing and routing AI models across providers, offering centralized billing, observability, and model fallbacks—positioned as an enterprise alternative to OpenRouter and LiteLLM with a focus on reliability and compliance.
• In this role, you will deepen your expertise in modern full-stack development, gain ownership over critical product features, influence technical direction in a fast-moving startup, and contribute to systems that handle real-world AI workloads at scale.

🎯 Requirements

• 2+ years of experience
• Strong proficiency with TypeScript and Node.js
• Experience building production-grade frontends with React; Next.js preferred
• Solid understanding of PostgreSQL, including schema design and query performance
• Experience implementing secure authentication flows, such as JWT or OAuth

🏖️ Benefits

• Competitive salary
• Early-stage equity
• Opportunity to influence product and culture
• Remote work with preference for SF-based candidates
• Ownership of end-to-end features in a VC-backed AI startup

Skills & Technologies

JavaScript

TypeScript

React

Next.js

Node.js

Full Stack

Remote

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Concentrate AI

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About Concentrate AI

Concentrate AI is a company focused on leveraging artificial intelligence to enhance business processes and decision-making. They specialize in developing and implementing AI-driven solutions tailored to specific industry needs, aiming to optimize operations, improve efficiency, and unlock new growth opportunities for their clients. Their services likely encompass areas such as data analytics, machine learning model development, and AI strategy consulting. By harnessing the power of AI, Concentrate AI helps businesses gain deeper insights from their data, automate complex tasks, and achieve a competitive edge in today's rapidly evolving market landscape. They strive to make AI accessible and impactful for a wide range of organizations.

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