Back End Developer

COMPANY PROFILE

Company Name: Synexa global Pvt Ltd. Product (NxtagentAI)

About Us

NxtagentAI is an agentic AI-powered platform designed to support students across their entire

growth journey from learning fundamentals and building real-world skills to becoming career-ready

with confidence.

We go beyond traditional education by bringing together learning, skill development, and career

preparedness into one connected experience. Through a network of intelligent AI agents, NxtAgent

helps students understand where they stand, what they need to improve, and how to move forward

with clarity and purpose.Our agents personalize learning paths, strengthen core and applied skills, and

provide continuous feedback aligned with academic goals and industry expectations. By reducing

confusion, uncertainty, and trial-and-error, we help learners progress faster and with greater

confidence.

In an ever-changing job market, NxtAgent equips students not just with knowledge, but with the

ability to adapt, communicate, and grow sustainably. Built with a learner-first mindset, our platform

delivers structured, supportive, and outcome-driven experiences that prepare students for both today's

challenges and tomorrow's opportunities.

Job Title : Senior Backend Developer

Employment Type : Full-Time

Experience : 4-8 Years

Location : Hyderabad

Job Summary

We are seeking an experienced Backend Developer with strong expertise in Python and

FastAPI to build scalable, AI-powered, real-time backend systems.

The ideal candidate will have experience designing high-performance APIs, integrating AI

services, implementing event-driven architectures, handling streaming applications, and

optimizing cloud infrastructure.

You will contribute to enterprise-grade products including Virtual Interview Platforms,

Conversational AI Systems, Speech Analytics Platforms, and AI-powered Workforce

Solutions.

Key Responsibilities

Backend Development

● Design and develop scalable backend applications using Python and FastAPI

● Build secure REST APIs and microservices

● Implement authentication, authorization, and RBAC systems

● Design maintainable backend architectures

Real-Time Systems

● Develop WebSocket-based applications

● Build live audio and video streaming systems

● Optimize low-latency communication pipelines

● Support real-time AI-powered platforms

AI Service Integration

● Integrate ASR solutions

● Integrate TTS solutions

● Integrate Avatar AI platforms

● Build conversational AI workflows

● Work with LLM APIs and inference services

Distributed Systems

● Design event-driven architectures

● Implement Kafka and RabbitMQ pipelines

● Build asynchronous processing systems

● Develop background job processing mechanisms

Database & Storage

● Design scalable database solutions

● Optimize indexing and query performance

● Manage large media files and storage pipelines

● Build high-performance data architectures

Cloud & Infrastructure

● Work with AWS services

● Optimize infrastructure costs

● Collaborate with DevOps teams

● Support scalable deployments

Required Skills

Backend Technologies

● Python

● FastAPI

● Async Programming

● REST APIs

● WebSockets

Messaging & Distributed Systems

● Apache Kafka

● RabbitMQ

● Event-Driven Architecture

● Producer-Consumer Patterns

Databases

● MongoDB

● PostgreSQL

● MySQL

● Database Design

● Query Optimization

Caching

● Redis

● Distributed Caching

● Rate Limiting

AI Technologies

● OpenAI

● Azure AI

● Deepgram

● AssemblyAI

● Whisper

● ElevenLabs

● Conversational AI

Cloud Technologies

● AWS

● EC2

● Lambda

● S3

● Auto Scaling

● Docker

● Kubernetes

Preferred Qualifications

● Bachelor's or Master's Degree in Computer Science or related field

● Experience building AI-powered products

● Experience in speech processing systems

● Experience with large-scale distributed systems

● Strong system design knowledge

Good to Have

● ELK Stack

● Grafana

● Prometheus

● CloudWatch

● Kubernetes

● Real-Time Analytics Platforms

● AI Agent Frameworks

● Media Streaming Platforms

Why Join Us

● Build next-generation AI products

● Work directly with Generative AI technologies

● Exposure to large-scale enterprise systems

● Fast-paced product environment

● Opportunity to influence architecture and technical decisions