Lead Flutter Developer

AqoviaLahore, Punjab, Pakistan

8 days ago

Job description

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Overview

Since 2008, Aqovia has been at the forefront of technology innovation, serving clients in telecommunications, media, and technology. We specialise in architecture, design, and software development for transformative projects. Join a team that values innovation, expertise, and commitment to excellence. Embark on a journey with Aqovia, where your client engagement and management expertise will be crucial in shaping the future of our technology solutions.

Job Description

We are seeking an expert Senior or Lead Developer to own the architecture, development, and strategy for our white-labeled mobile platform. You will be responsible for the entire Flutter client and Firebase (Backend-for-Frontend) stack. This role requires a blend of deep, hands-on technical expertise, architectural vision, and leadership to build a high-performance, composable, and rapidly deployable financial application. You will be the primary technical owner of the highly customisable Flutter frontend.

Core Technical Responsibilities

Hands-on Flutter Development : Lead the development of the core Flutter application, building clean, testable, and modular features (composability) that can be enabled or disabled per tenant.
Firebase BFF Architecture : Architect and implement the complete Firebase Backend-for-Frontend (BFF), including writing, testing, and deploying secure and efficient Cloud Functions (TypeScript / Node.js).
Build the "Seam" : Implement the critical integration layer connecting the app to the core financial engine :

Command Proxy (Outbound) : Develop Cloud Functions that act as a secure proxy, authenticating user requests (via Firebase ID Tokens) and forwarding them to the Azure financial service layer.

Webhook Receivers (Inbound) : Build and secure HTTP-triggered Cloud Functions to receive asynchronous updates from Azure (e.g., "Transaction Complete") and write that new state to Firestore.

Realtime Data Modeling : Design, manage, and optimize the Firestore database schema as a denormalized, high-performance read-cache, powering all realtime UI updates.

Security & Authentication

Implement and manage Firebase Authentication as the primary identity provider for all tenants.

Write and maintain robust Firestore and Cloud Storage Security Rules to ensure strict data isolation and user-scoped permissions.

File Management : Integrate Firebase Cloud Storage for secure, per-user file uploads and downloads (e.g., KYC documents, statements).

Notifications : Configure and manage Firebase Cloud Messaging (FCM) to deliver critical, out-of-app push notifications (e.g., "Payment Received," "Security Alert").

Architectural & Leadership Responsibilities

Technical Ownership : Act as the ultimate technical authority for the mobile and BFF platform, making key architectural decisions to ensure scalability, security, and maintainability.

White-Labeling & Provisioning

Design and refine the theme-driven configuration system (JSON files, asset bundles) that enables deep brand customization.

Own and manage the Infrastructure as Code (IaC) scripts (Terraform) responsible for automatically provisioning new, isolated Firebase projects for each client.

Composability Strategy : Architect the Flutter application's modular design, allowing clients to "compose" their app by selecting from a library of available features.

Standards & Mentorship : Define and enforce engineering best practices, coding standards, and state management patterns (e.g., Riverpod, Bloc) for the Flutter codebase. Mentor junior and mid-level developers through code reviews and technical guidance.

DevOps & CI / CD : Establish and maintain a robust CI / CD pipeline (e.g., GitHub Actions, Codemagic) for the automated testing, building, and deployment of both the Flutter app and Firebase services.

Strategic Roadmap : Collaborate with product managers and the Azure backend team to define the technical roadmap, API contracts, and integration points for the platform.

Required Skills & Experience

Expert-level proficiency in Flutter & Dart, with a portfolio of complex, high-performance apps shipped to both iOS and Android.

Deep, production-grade expertise across the Firebase suite : Firestore, Firebase Authentication, Cloud Functions (Node.js / TypeScript), Cloud Storage, and FCM.

Proven experience building a Backend-for-Frontend (BFF) architecture using Cloud Functions or similar serverless technology.

Strong understanding of Infrastructure as Code (IaC), with direct experience using Terraform being a major plus.

Demonstrable experience designing and managing complex Firestore data models (denormalization) and writing secure, efficient Security Rules.

Expertise in modern Flutter state management (e.g., Riverpod, Bloc), asynchronous programming (Streams), and dependency injection.

Strong familiarity with consuming RESTful APIs, handling webhooks, and working with JSON / ID Tokens.

A "lead" mindset : high sense of ownership, excellent problem-solving skills, and strong communication.

Nice-to-Haves

Experience in the FinTech, banking, or financial services industry.

Experience with the Azure ecosystem (even if just from an integration perspective).

Experience with automated testing frameworks for Flutter (e.g., Flutter Test, Patrol).

Knowledge of native mobile development (Kotlin / Swift) for potential custom integrations

Joining Aqovia

If you are a technically adept problem-solver who thrives in a fast-paced environment and share our commitment to positive impact, we encourage you to apply.

Equal Opportunity Employer

At Aqovia, we believe in the strength of diversity. We strive to reflect the varied markets we serve and foster an inclusive culture where everyone feels welcome, valued, and empowered to be their authentic selves. As an equal opportunity employer, we are committed to embracing all forms of diversity across our organisation.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

IT System Custom Software Development

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Flutter Developer • Lahore, Punjab, Pakistan

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