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Senior Backend Engineer, Mobile

Flock Safety
Remote - USA, United StatesRemotefull_timeVerifiedPosted 18 Jul 2025
💰 $190,000/yr($170,000/yr$190,000/yr)

About the role

Who is Flock?

Flock Safety is an all-in-one technology solution to eliminate crime and keep communities safe. Our intelligent platform combines the power of communities at scale - including cities, businesses, schools, and law enforcement agencies - to shape a safer future together. Our full-service, maintenance-free technology solution is trusted by communities across the country to help solve and deter crime in the pursuit of safer communities for everyone.

Our holistic public safety platform is comprehensive and intelligent, providing the actionable evidence needed to solve, deter and reduce crime across neighborhoods, schools, businesses and entire cities. Without compromising transparency or privacy, we are turning unbiased data into objective answers.

Flock strives to offer a career-defining experience where you can also make an impact on your community. While safety is a serious business, we are a supportive team that is optimizing the remote experience to create strong and fulfilling relationships even when we are physically apart. Our group of hard-working employees thrive in a positive and inclusive environment, where a bias towards action is rewarded. 

We have raised over $700M in venture capital from investors including Tiger Global, Andreessen Horowitz, Matrix Partners, Bedrock Capital, Meritech Capital Partners, and Initialized Capital. Now surpassing a $7.5B valuation, Flock is scaling intentionally and seeking the best and brightest to help us meet our goal of reducing crime in the United States by 25% in the next three years.

The Opportunity

As a Senior Engineer working on the Flock Safety Mobile App API, you will be tasked with supporting and improving our mobile experiences. By improving the performance, scalability, and security of our products, you will directly impact the core growth metrics of the company. Flock’s APIs span a wide variety of domains, allowing for a broad experience with various cloud technologies. This opportunity is perfect for a talented cloud developer who has consumer empathy and wants to work on a project that will directly impact Flock’s growth metrics and ultimate success.

The Skillset

  • Experience in back-end development with an emphasis on cloud development and distributed systems - we leverage AWS

  • Implemented and managed asynchronous messaging systems for event-driven architectures (SQS/SNS, EventBridge, etc)

  • Knowledgeable with SQL databases (PostgreSQL)

  • Able to improve scalability and performance as we continue to grow

  • Comfortable working with C-style languages and frameworks like TypeScript and NodeJS

  • Familiarity with integrating 3rd-party APIs

  • Prior work with native Mobile development or Golang a plus

Feeling uneasy that you haven’t ticked every box? That’s okay; we’ve felt that way too. Studies have shown women and minorities are less likely to apply unless they meet all qualifications. We encourage you to break the status quo and apply to roles that would make you excited to come to work every day.

90 Days at Flock

We are a results-oriented culture and believe job descriptions are a thing of the past. We prescribe to 90 day plans and believe that good days, lead to good weeks, which lead to good months. This serves as a preview of the 90 day plan you will receive if you were to be hired in this role at Flock Safety.

The First 30 Days

  • Day 1 Impact: You will be busy onboarding today but we always like to have each employee have a “first day push of code.” It doesn’t have to be perfect and it doesn’t have to be huge, just important to start and finish something quickly.

  • Walkthrough of Flock Safety app backend

  • Walkthrough of Flock Safety iOS app

  • Walkthrough of Flock Safety Android app

  • Complete six tickets in the first 30 days

  • Review PR practices

  • Begin working on CJIS certification

The First 60 Days

  • Ability to perform role with decreased need for guidance;

    • Take ownership of tasks

    • Come up with options of solutions instead of “what should I do?”

  • Able to complete medium sized tasks with little support;

    • Contribute work in small shippable chunks

  • High level understanding of the features we are working on

  • Write up at least one ticket

  • Understand the software design philosophies being used

  • Be comfortable navigating through the code base

  • Engaged during technical conversations to increase quality of input

  • Start mo

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Company

Flock Safety

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