Fullstack Product Engineer – AI, RAG, LLMs

3 weeks ago

Rajkot, Gujarat, India Umbrella Micro Enterprises Full time

Fullstack Product Engineer – AI-Powered Products (Langchain/ RAG /LLM applications, Ruby, React)

We're looking for a high-ownership Fullstack Product Engineer to join our team in building and shipping cutting-edge AI-powered products at serious speed.

Must-Haves:

  • Product-driven mindset: You make tactical decisions fast and care deeply about product outcomes—not just the code.
    • LLM / Langchain Equivalent experience: You've built real features or products using Langchain and understand the LLM ecosystem. Have built a serious LLM integrated application and went live.
      • Agentic Flows: Have built agentic flows using LLMs and went live.
        • Fullstack excellence: You work seamlessly across Ruby (backend) and React (frontend). No handoffs. No silos.
          • Zero-API mentality: You don't rely on an elaborate API layer; you're comfortable making decisions across the stack with minimal abstractions.
            • Launched real AI apps: You've taken at least one AI-powered product to market, preferably LLM-based.
              • Ownership mindset: You're hands-on, bottom-line accountable, and thrive in unstructured environments.

What You'll Be Doing:

  • Own end-to-end product development using Ruby and React, working tightly with product and design.
    • Build and iterate fast—days not weeks.
      • Implement intelligent workflows using Langchain and other LLM frameworks.
        • Skip the bloated API layers and get things done through smart architecture and direct integration.
          • Ship high-utility features used by thousands of users.

Bonus:

  • Past experience building tools in CRM, SaaS, or automation.
    • Familiarity with agents, vector DBs, embeddings, and prompt engineering.

How to apply

First apply thru this job posting in

Then answer additional questions in this Google Form -

applications without Google Form submissions will be rejected.

Please don't apply thru any other means.

About the Company 

Umbrella Micro Enterprises is a unique platform that offers top marketing-brand(s) solutions to sell, high profit margins, sales & marketing training, sales & marketing tools, certification, presence, branding and ongoing support to its Members. We work with the leading MarTech and service providers in the industry to deliver the best solutions and experiences to our Members.

  • Umbrella provides entrepreneurs with a turnkey solution to start or grow an independent business in partnership with leading brands in the local business-services industry.
  • The platform includes a reseller module integrated with many vendors, a billing system, crm, booking system, LMS integration, agent (user) management, affiliate system, and more.
  • As a leading party in our development team you'll be working on key projects across the board, including PayPal and Stripe billing integration and reporting dashboards, deeper vendor integrations, leads distribution system, to name a few.

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