Senior Flutter Engineer – FinTech, BaaS

🔥 18 hours ago

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Aqovia

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2008

🤖 Artificial Intelligence

🏢 Enterprise

⚡ Energy

Artificial Intelligence • Enterprise • Energy

Aqovia is an international Artificial Intelligence and digital solutions specialist that delivers bespoke, mission-critical, and transformational software and data-driven systems for public and private sector clients. Founded in 2008 as a joint venture with Cable & Wireless, the company has driven large-scale digital transformations and content/media platforms (notably for Pearson and BBC Worldwide), and later expanded into AI-powered solutions for the energy sector and sustainability via its NeuerEnergy subsidiary. Aqovia focuses on software-defined architectures, AI, predictive analytics, and long-term enterprise engagements, and operates as a distributed/remote-first team serving clients globally.

📋 Description

• Lead development of a modular, tenant-configurable mobile app with clean, testable code. • Architect and implement the Firebase Backend-for-Frontend using TypeScript/Node.js Cloud Functions. • Route authenticated user requests to Azure financial services via Cloud Functions. • Secure HTTP Cloud Functions to catch Azure webhooks and update Firestore state. • Design high-performance, denormalized Firestore schemas for real-time UI updates; manage Firebase Auth and enforce strict Firestore/Storage security rules. • Manage Firebase Cloud Storage for user document handling (KYC/statements) and Firebase Cloud Messaging (FCM) for push notifications. • Serve as the technical lead for mobile and BFF platforms, driving scalability, security, and maintainability. • Maintain JSON/asset theme engines for white-labeling and use Terraform (IaC) to automate isolated Firebase project deployment. • Build a plug-and-play feature architecture so tenants can easily enable or disable specific app capabilities. • Define coding standards, state management patterns (Riverpod/Bloc), and conduct code reviews to mentor mid/junior engineers. • Maintain automated CI/CD pipelines (GitHub Actions/Codemagic) and collaborate with Product/Azure teams on API contracts and technical roadmaps.

🎯 Requirements

• 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.

🏖️ Benefits

• Growth opportunities : We invest in our employees' development and offer a path for career advancement. • Cutting-Edge Tech Stack : No legacy code, help us build a modern BaaS platform from the ground up. • Collaborative culture : We value teamwork, open communication, and a supportive environment. • Competitive benefits package : TBC and can be discussed in the call with the talent team.