Backend Engineer

5 days ago

Hyderabad, India YAL Full time

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
    .
  • 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 with subject line

Subject: ( Backend Lead - Real-Time Messaging & VOIP | Your Name)

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