Backend Engineer ( Lead / SDE-2 / SDE-3 )

Job description

Backend Lead – Real-Time Messaging & VoIP

Location : Bangalore

/ Hyderabad

Type : Full-Time | Immediate Joining Preferred

CTC : Competitive

About YAL

YAL is building a decentralized, AI-powered communication platform from the ground up — combining secure real-time messaging, voice / video calling, and intelligent fraud detection. Our mission is to deliver global communication infrastructure that prioritizes privacy, security, and performance without relying on centralized servers.

We’re looking for a

Backend Lead – Real-Time Messaging & VoIP

to join our core engineering team and help architect and scale the backend systems that power our real-time communication stack.

Responsibilities

Design, implement, and maintain backend services for messaging, group chat, voice / video calling, and user authentication.

Build and optimize real-time communication infrastructure using

WebSockets ,

WebRTC ,

TURN / STUN , and related protocols.

Lead backend system architecture focused on scalability, low latency, and high availability.

Deploy and manage services on

AWS

or

GCP

using

Docker ,

Kubernetes , and CI / CD pipelines.

Collaborate with mobile, AI, and frontend teams to ensure seamless feature integration and cross-platform consistency.

Ensure best practices in secure messaging, encryption, and session management.

Drive technical decisions, mentor engineers, and uphold engineering excellence across the team.

Requirements

Strong backend engineering experience with

Go ,

Python ,

C / C++ , or

Node.js .

Proven experience building and scaling real-time systems, ideally for messaging or VoIP platforms.

Deep knowledge of

WebRTC ,

TURN / STUN ,

SRTP , and media transport protocols.

Experience deploying cloud-native services on

AWS

or

GCP .

Familiarity with authentication methods including

OTP ,

JWT , and token-based auth flows.

Solid understanding of

end-to-end encryption , secure communication pipelines, and user privacy principles.

Preferred Qualifications

Experience with decentralized / federated protocols such as

Matrix ,

XMPP , or similar.

Familiarity with media servers like

Jitsi ,

Janus , or

mediasoup .

Understanding of fraud detection and AI-assisted moderation systems.

Prior experience with messaging platforms like WhatsApp, Telegram, Signal, or similar real-time communication apps.

Why Join YAL?

Help shape the architecture of a next-generation messaging and calling platform.

Work on technically challenging problems with a deep focus on privacy and performance.

Build secure systems that scale globally.

Be part of a high-impact team solving meaningful real-time infrastructure challenges.

How to Apply

Easy apply on Linkedin or DM us here on LinkedIn or send your CV + work samples (GitHub, papers, demos) to hire.backend@yal.chat with subject line

Subject : [ Backend Lead - Real-Time Messaging & VOIP | Your Name]