Senior Flutter Architect — Agentic Super App Platform

The Greater Change; Dubai; Hybrid; AED 360,000 - 720,000; Full time

Job summary

The Greater Change is seeking a Senior Mobile Systems Engineer to architect the primary entry point for agentic intelligence. You will build a high-performance Super App integrating Fintech, Identity, and ambient AI, with Flutter-based UI and deep backend support.

This hybrid role demands expert Flutter coding, TTS/STT, secure multi-provider payments, and scalable microservice APIs, plus a focus on security and offline-first capabilities.

Qualifications

• Expertise in Flutter-based mobile UI with architecture for multi-mini-app ecosystems.
• Strong backend integration experience (Python/Node.js) and REST/GraphQL APIs.
• Experience with AI-infused interfaces (TTS/STT, GenUI) and security-first design.

Responsibilities

• Architect and maintain a scalable Flutter codebase hosting multiple mini-apps (Fintech, Lifestyle, Identity).
• Implement complex user lifecycles: SSO, MFA, tiered KYC, and multi-provider payments.
• Design Agentic Interfaces with low-latency TTS/STT and AI-driven UI adaptation.
• Develop high-concurrency backends and secure data sync with offline-first support.
• Ensure 60fps+ performance and robust security for financial/identity data.

Skills

Architectural thinking

Mobile systems design

Lead large-scale projects

Security by design

Tools

Flutter

Dart

Platform Channels (Swift/Kotlin)

Whisper

ElevenLabs

Google Cloud Speech

OpenAI/Claude SDKs

SSO (OAuth2, OpenID Connect)

KYC (Sumsub, Jumio)

Payments (Stripe, Adyen)

Python (FastAPI/Django)

Node.js

REST/GraphQL

WebSockets

Riverpod, Bloc, Signals

GitHub Actions, Fastlane

JWT, OAuth2, Biometric Auth

ProGuard/R8, SSL Pinning

Job description

The Greater Change is seeking a Senior Mobile Systems Engineer to architect the primary entry point for agentic intelligence. You will build a high-performance Super App integrating Fintech, Identity, and ambient AI, with Flutter-based UI and deep backend support.

This hybrid role demands expert Flutter coding, TTS/STT, secure multi-provider payments, and scalable microservice APIs, plus a focus on security and offline-first capabilities.