Mobile App Developer for ZKTeco Biometric Device Management (Push SDK)

📌 Project Summary We are looking for a developer or development team with proven experience integrating ZKTeco biometric devices to build a mobile application (Android/iOS) that manages devices such as SpeedFace, ProFace, and fingerprint readers, using the ZKTeco Push SDK. The app must enable user management, attendance record retrieval, and access control from anywhere via the internet (WAN), leveraging real-time communication. 🎯 Core Features of the App (MVP) Connection and authentication with ZKTeco devices via ADMS (Push protocol). Device listing and status monitoring (online/offline). User management: add, delete, and update employees. Attendance log download and real-time synchronization. Basic access control: remote door opening and locking/unlocking. Push notifications for critical events (e.g., connection failure). Basic web admin panel (optional, but valued). Mandatory Technical Requirements Proven experience integrating the ZKTeco Push SDK (TA and/or AC). It is mandatory to provide case studies or previous projects where this SDK was used. Advanced knowledge of Flutter (for cross-platform development) or, alternatively, native Android and iOS development. Experience with Firebase (Authentication, Firestore, Cloud Messaging) or similar backends. Ability to work with the SDK specification document and translate it into functional code. Availability for weekly meetings and milestone-based deliveries. Location and Work Mode 100% remote project. We are targeting talent in India (due to their strong expertise in this field), but we are open to other locations if the profile is exceptional. Language: Fluent English (or Spanish). Budget and Timeline Budget: Open to proposals (we seek a good cost-quality balance). Estimated timeline: 3 to 4 months for a functional MVP. Payment structure: Milestone-based (e.g., 20% start, 30% first delivery, 30% second delivery, 20% final). How to Apply To be considered, please email us with: Portfolio or case studies showcasing ZKTeco integrations (include links or demo videos). Brief explanation of how you have handled the Push SDK in previous projects (challenges faced and how you solved them). Proposed timeline and cost breakdown by phases. Availability to start (estimated start date). Confidentiality We will sign a Non-Disclosure Agreement (NDA) before sharing any additional project details. We look forward to your proposal to build a scalable, high-value technology solution together!