Contact person: Expert App Developer for Voice Changer Enhancements

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Location: Jaipur, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"Job Description

We are looking for an experienced Mobile App Developer with expertise in audio processing, AI integration, and mobile UI/UX to help us revamp and expand our Voice Changer App. The goal is to add new creative and useful features that increase user acquisition, engagement, and retention across global markets.

You will work on developing and integrating features like real-time voice changer for gaming, AI voice cloning, video voice changer, sound effects, and social sharing tools.

Key Responsibilities

Develop & optimize real-time voice changer for calls and gaming (Discord, Free Fire, PUBG, WhatsApp, etc.)

Build video voice changer (apply voice effects to uploaded or recorded videos).

Integrate AI voice cloning (celebrity voices, custom voices, cartoon/anime style).

Implement auto-tune karaoke mode with professional-grade audio effects.

Add sound FX + background effects (horror, echo, stadium, alien spaceship, etc.).

Build custom ringtone & notification maker inside the app.

Develop voice-to-avatar lip sync for memes and animated characters.

Implement multi-language AI translation + voice changer.

Create a smart recommendation engine (suggest trending voices, weekly packs).

Ensure smooth social sharing (TikTok, Instagram Reels, YouTube Shorts).

Optimize app performance for iOS & Android (React Native/Flutter preferred).

Integrate analytics (Google Play Console, Firebase, Mixpanel) to track engagement.

Requirements

Strong experience in mobile app development (Flutter / React Native / Native iOS & Android).

Proven experience in audio signal processing (DSP), voice modulation, and sound effects integration.

Knowledge of AI/ML tools (TensorFlow, PyTorch, or third-party APIs for voice cloning).

Experience with real-time communication APIs (WebRTC, Agora, Twilio).

Familiarity with FFmpeg or similar libraries for video/audio editing.

Strong backend knowledge (Node.js / Firebase / AWS).

Experience integrating payment gateways & subscription models (Google Play Billing, Apple IAP).

Strong understanding of UI/UX for consumer apps.

Prior experience building entertainment, music, or voice apps is a big plus.

Nice-to-Have Skills

Experience with gaming integrations (Discord bots, overlays, in-game APIs).

Knowledge of AI voice marketplace integration (Resemble, ElevenLabs, OpenAI TTS).

Understanding of multilingual UI/UX for global markets (Spanish, Arabic, Turkish, Hindi, etc.).

Experience with viral growth mechanics (watermarks, social sharing hooks).

Deliverables

Updated Voice Changer App with new feature integrations.

Clean, scalable, and documented code.

Deployment on Google Play Store & Apple App Store.

Ongoing support for bug fixes & feature updates.

Budget & Contract

Freelance / Contract basis

Payment: Milestone-based (per feature delivered)

Open to both individual freelancers and small teams/agencies.

Why Join?

Work on a fun, viral product with huge global potential.

Creative freedom to suggest and develop cutting-edge audio & AI features.

Long-term collaboration possible (we aim to continuously add new voices & effects)." (client-provided description)