AI-First Backend Develope

AI-First Backend Developer

Company

Vakta AI

Experience

2+ Years

Employment Type

Full-Time

Location

Remote / Hybrid – India

Compensation

Industry Standard

About the Role

Vakta AI is building a

real-time conversational AI tutor

powered by voice AI, LLMs, RAG, document intelligence, and personalized learning.

Our

MVP is already ready

, and we are now looking for an

AI-First Backend Developer

who can help take the product from

MVP → Production → Scale

.

You will work on the core backend and AI infrastructure, improve the existing system, make it production-ready, and help scale it as user traffic grows.

Key Responsibilities

• Build and maintain backend services using

Python / FastAPI

.

• Improve and productionize the existing MVP architecture.
• Build REST APIs, WebSockets, async services, and background jobs.
• Work on real-time AI pipelines involving

STT, LLM, RAG, TTS, and streaming

.

• Integrate LLMs, embeddings, vector databases, rerankers, and AI APIs.
• Optimize MongoDB/PostgreSQL, Redis, caching, and database queries.
• Improve system latency, reliability, security, and performance.
• Set up monitoring, logging, error tracking, testing, and CI/CD.
• Deploy and manage services on cloud infrastructure.
• Identify bottlenecks and scale backend services as usage grows.
• Optimize AI infrastructure for

performance, scalability, and cost

.

• Debug production issues and take ownership of backend systems.

Required Skills

• 2+ years of backend development experience.
• Strong knowledge of

Python

.

• Hands-on experience with

FastAPI, Django, Flask, or similar frameworks

.

• Experience with REST APIs, WebSockets, and async programming.
• Experience with MongoDB/PostgreSQL/MySQL.
• Experience with Redis.
• Familiarity with Docker and cloud platforms such as AWS/GCP/Azure.
• Strong debugging and problem-solving skills.
• Understanding of backend architecture, security, and scalability.

AI-First Skills

Experience with some of the following is preferred

• LLM APIs
• RAG
• Embeddings
• Vector databases
• Semantic / hybrid search
• Reranking
• STT / TTS
• Voice AI
• Streaming LLM responses
• Open-source AI models
• AI agents / tool calling

Experience with tools such as

Milvus, Qdrant, LiveKit, WebRTC, Hugging Face, Ollama, vLLM, LangChain, Prometheus, Grafana, or Sentry

is a plus.

What You’ll Own A major part of this role is

Understand the existing MVP → Make it production-ready → Launch → Monitor → Optimize → Scale

We are looking for someone who can work with an existing codebase, improve what is already built, solve real production issues, and help scale Vakta AI as the number of users and concurrent AI sessions increase.

Why Join Vakta AI?

• Work on a real AI product already moving toward production.
• Build real-time conversational and voice AI infrastructure.
• Work with LLMs, RAG, STT/TTS, and scalable backend systems.
• High ownership and direct impact on product architecture.
• Work closely with the founding and engineering team.
• Fast learning and growth in an AI-first startup.

Apply with

Resume + GitHub/Portfolio + relevant backend/AI projects.