Senior Software Engineer – Mobile Connectivity

Job not on LinkedIn

🔥 15 hours ago

🏰 Missouri – Remote

🏰 Missouri – Remote

💵 $97.4k - $99.4k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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DOOR

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2014

🔧 Hardware

☁️ SaaS

🤝 B2B

Hardware • SaaS • B2B

DOOR is a proptech company (formerly Latch) that provides integrated IoT hardware and cloud software to modernize access control and building automation for multifamily properties and large residential portfolios. Its product suite includes smart locks, readers, intercoms, cameras, thermostats, leak and motion sensors, and a centralized management platform (DOOR OS and DOOR App) that integrates with property management systems and exposes APIs. DOOR focuses on simplifying operations, improving resident experience, reducing costs, and enabling phased rollouts or retrofits across new and existing buildings.

📋 Description

• Develop and optimize Android applications for smart locks • Implement features for unlocking doors, data sync, and firmware upgrades over BLE and NFC • Architect efficient communication protocols and data transfer mechanisms • Contribute to multiple products including the flagship Latch/Door Android app and companion iOS app • Work closely with firmware engineers and backend developers • Analyze and resolve complex issues in the field • Work hands-on with firmware and hardware tools • Profile and enhance the performance of Bluetooth and NFC interactions • Ensure the mobile connectivity stack is robust against interruptions • Mentor and advise other engineers on best practices for wireless connectivity • Stay up-to-date with the latest Android SDK features and IoT industry trends • Prototype and incorporate new technologies to maintain competitive edge.

🎯 Requirements

• Master of Science Degree in Computer Science, Computer Engineering, or closely related field • Two (2) years of professional experience in Software Engineering with a focus on mobile connectivity and Internet of Things (IoT) products • Experience in Android SDK development using Kotlin and Java • Experience designing and implementing BLE GATT communications • Experience with Near Field Communication (NFC) integration • Knowledge of Android architecture patterns such as MVVM, MVI, and Clean Architecture • Proficiency in asynchronous programming using Coroutines and RxJava • Experience collaborating with hardware/firmware teams • Experience troubleshooting device communication using BLE sniffers, logic analyzers, and firmware logs • Knowledge of dependency injection (Hilt) • Experience in unit testing, integration testing, CI/CD pipelines • Proof of legal authority to work in the United States.

🏖️ Benefits

• Telecommuting is permitted.