Generative AI EngineerThetaZero Private Limited • Chennai, Tamil Nadu, India

Generative AI Engineer

ThetaZero Private Limited • Chennai, Tamil Nadu, India

9 hours ago

Job description

GenAI Engineer (Python + GenAI + FastAPI)

Location : Chennai

Experience : 1–3 years

Company : ThetaZero — Boutique tech company building trustworthy, human-centered solutions in AI, Cloud, Cybersecurity & Digitalization.

About the Role

ThetaZero is building a next-generation AI-powered platform that combines multimodal input processing and advanced GenAI workflows.

We are looking for a passionate AI Backend Engineer who can own the complete backend and AI engine — including LLM pipelines, multimodal ingestion, contextual memory, embeddings, retrieval, and future agent-based automation.

This is a builder’s role , perfect for someone who wants to see their work shape a global-scale product.

Key Responsibilities

Backend Engineering

Design and develop scalable backend services using Python + FastAPI
Build REST APIs consumed by mobile and web clients
Implement secure user / session management
Write modular, testable, production-ready backend code
Ensure production-grade quality, testing, and version control

GenAI Engineering

Build chat flows, RAG pipelines, and contextual memory systems

Design embeddings-based retrieval (text, voice, image)

Implement structured reasoning and chain-of-thought workflows

Craft and refine prompts; manage LLM efficiencies & cost

AI Agents

Implement agent-based workflows using : CrewAI, Autogen, Swarm, LangGraph

Build multi-agent collaboration flows to automate complex tasks

Multimodal Processing

Voice → STT → embeddings pipeline

PDF / Doc / Image ingestion with OCR & text extraction

Metadata storage + indexing into vector DB

Intelligent summarization, structuring, and tagging

Infrastructure & DevOps

Containerize services using Docker

Collaborate with the DevOps team for Container Registry + Container Apps on Azure or AWS

Contribute to the environment setup and optimization

Monitoring, logging, performance tuning

Basic understanding of Terraform (optional but good)

Collaboration

Work closely with the Flutter, React, and UI / UX teams

Participate in architecture decisions and product brainstorming

Own the backend roadmap and deliver features reliably

Required Skills

Strong hands-on experience with Python

FastAPI / Flask (FastAPI preferred)

Experience with OpenAI APIs, LLMs, and embeddings

Knowledge of vector databases (Qdrant, Pinecone, MongoDB Vector Search, Chroma)

Experience with LangChain / LlamaIndex

Docker + Git fundamentals

Strong problem-solving and debugging skills

Good-to-Have Skills

CrewAI, LangGraph, Autogen, Swarm (any one)

Azure AI Services (Speech, Document Intelligence)

Experience with Agents / tool-calling / function-calling

Redis, Pub / Sub, message queues

Azure Container Apps / ACR

MLOps basics

Who Will Be a Great Fit

You enjoy building real products end-to-end

You love Python, AI, and experimentation

You prefer high-quality engineering over shortcuts

You thrive in a startup environment with ownership and autonomy

You want to work closely with a cross-functional team

You want to grow quickly in a startup, building a global product

You prefer a high-trust, high-quality engineering culture

Why Join ThetaZero

Build a nuanced AI platform from the ground up

Exposure to Cloud, Security, AI Agents, and high-scale product architecture

Be part of a high-trust team that values craftsmanship

Growth opportunities across AI, DevOps, Cloud, and product engineering

Direct mentorship from the founder

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Generative Ai Engineer • Chennai, Tamil Nadu, India

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