Software Engineer III, Device Connectivity

Flock Safety

$130K — $160K *
US-AnywhereRemote in United States
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in embedded systems or OS-level development
  • Strong knowledge of low-level Android OS architectures and AOSP internals
  • Hands-on experience with cellular networking stacks (LTE/5G)
  • Technical skills in SELinux policies and permissions management
  • Familiarity with networking protocols like TCP/IP and Wi-Fi
  • Bachelor's, master's, or Ph.D. in computer science, computer engineering, electrical engineering, or a related field
  • Experience with Qualcomm chipsets or cellular telemetry logs is a plus

Responsibilities

  • Advance Android-based system stack focusing on cellular connectivity and 5G upgrade
  • Engineer low-level AOSP system initialization routines and file systems
  • Optimize cellular stack integrations for LTE and 5G modems
  • Analyze device telemetry and network metrics for diagnosing anomalies
  • Collaborate with Hardware, Product, and Infrastructure teams to design power-aware connectivity states

Benefits

  • Flexible working environment with options for remote work
  • Opportunity to work cross-functionally with multiple teams
  • Engagement in hands-on hardware and software integration
  • In-person collaboration in hub locations like Atlanta and Boston
  • Participation in stock options as part of the compensation package
Full Job Description
The Problem

As Flock scales our edge device infrastructure across diverse outdoor environments, maintaining uninterrupted cellular connectivity and long-term fleet stability is vital to real-time operations. Transitioning our custom Android system stack through a 5G upgrade roadmap while managing strict battery power constraints requires specialized embedded systems expertise. You will engineer our OS connectivity stack, optimize cellular performance, and ensure our edge cameras maintain rock-solid network connections in challenging field environments.

What You'll Own
  • Advance our modern Android-based system stack with a direct focus on cellular connectivity, fleet stability, and the 5G upgrade roadmap.
  • Engineer low-level AOSP system initialization routines, image partitioning, file system structures, and SELinux access policies.
  • Optimize cellular stack integrations spanning LTE and 5G modems, Radio Interface Layer components, AT commands, and eSIM configurations.
  • Analyze device telemetry and network metrics to diagnose complex fleet anomalies across hardware boundaries, RF environments, and user space.
  • Partner cross-functionally with Hardware, Product, and Infrastructure teams to design power-aware connectivity states for extreme seasonal conditions.


What This Role is Not
  • This isn't an Android mobile application or UI development role, you will work entirely on low-level AOSP, cellular stacks, modems, and embedded Linux internals.
  • This is not a purely theoretical networking position, you will analyze physical device telemetry logs, debug real-world RF edge cases, and deploy code directly to physical camera fleets.
  • This isn't a siloed backend function, you will collaborate constantly across Hardware, Cloud, and Field Operations teams to streamline device connectivity workflows.


What You Bring
  • Practical experience in embedded systems or OS-level development, with deep knowledge of low-level Android OS architectures and AOSP internals.
  • Hands-on expertise with cellular networking stacks, including LTE/5G modems, Radio Interface Layer integrations, AT commands, and SIM/eSIM management.
  • Technical understanding of SELinux security policies, permissions management, and debugging system access restrictions.
  • Proficiency in networking protocols including TCP/IP, routing tables, Wi-Fi architectures, and data optimization techniques.
  • A bachelor's, master's, or Ph.D. degree in computer science, computer engineering, electrical engineering, or a related technical field is required.
  • Experience with Qualcomm chipsets, software tools, or cellular telemetry logs is a plus.

Compensation

In this role, you'll receive a starting salary between $130,000 and $160,000 as well as Flock Stock Options. Base salary is determined by job-related experience, education/training, as well as market indicators. Your recruiter will discuss this in depth with you during our first chat.

Some problems get solved faster in the same room, so we prioritize candidates in Atlanta and Boston. Hub-based roles mean real in-person time with your coworkers. Remote roles exist, and when a posting is open to remote work, it says so.

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