Generative AI Engineer

GenAI Engineer (Python + GenAI + FastAPI)

Location:

Experience:

Company:

About the Role

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

AI Backend Engineer

builder’s role

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