Senior Backend Engineer, Mobile

Flock Safety is the leading safety technology platform, helping communities thrive by taking a proactive approach to crime prevention and security. Our hardware and software suite connects cities, law enforcement, businesses, schools, and neighborhoods in a nationwide public-private safety network. Trusted by over 5,000 communities, 4,500 law enforcement agencies, and 1,000 businesses, Flock delivers real-time intelligence while prioritizing privacy and responsible innovation.

We’re a high-performance, low-ego team driven by urgency, collaboration, and bold thinking. Working at Flock means tackling big challenges, moving fast, and continuously improving. It’s intense but deeply rewarding for those who want to make an impact.

With nearly $700M in venture funding and a $7.5B valuation, we’re scaling intentionally and seeking top talent to help build the impossible. If you value teamwork, ownership, and solving tough problems, Flock could be the place for you.

As a Senior Backend 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.

• 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.

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 monitoring of logs and dashboards

90 Days & Beyond

• Acceleration in ramp up time when working on a new ticket

• Ability to perform role with little guidance with transparency;

• Be comfortable picking up engineering tasks of larger size and more ambiguity;

• Communicating across multiple teams to solve problems efficiently;

• Contribute ideas in Design Reviews and Refinements, for how we build better software

• Starting to lead in PR reviews

• Participate in software engineering demo day by presenting a topic that you worked on in the last few months.

We want our interview process to be a true reflection of our culture: transparent and collaborative. Throughout the interview process, your recruiter will guide you through the next steps and ensure you feel prepared every step of the way.

1. Our First Chat: During this first conversation, you’ll meet with a recruiter to chat through your background, what you could bring to Flock, what you are looking for in your next role, and who we are.

2. The Hiring Manager Interview: You will meet with your potential future boss to really dive into the role, the team, expectations, and what success means at Flock. This is your chance to really nerd out with someone in your field.

3. The Technical Assessment: Our technical assessments seek to test the hard skills required to do the job. Engineers may find themselves in coding interviews or architecture discussions, sales roles may present mock discovery calls, and leadership roles may craft 90 day plans. Your recruiter will inform you of which assessment you will be assigned and ensure you are fully prepared for your big day.

4. The Panel: Learn more about the team, responsibilities, and workflows. You should be prepared to speak about past projects, how you collaborate and communicate with others, and how you live our values. Depending on the team and role you are interviewing for, you may meet with several teammates as well as cross-functional partners.

5. The Executive Review: A chance to meet an executive and view Flock from a different lens. Be prepared to ask well-thought-out questions about the company, culture, and more.

In this role, you’ll receive a starting salary between $170,000-$190,000 as well as Flock Safety 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.

🌴Flexible PTO: We seriously mean it, plus 11 company holidays.

⚕️Fully-paid health benefits plan for employees: including Medical, Dental, and Vision and an HSA match.

👪Family Leave: All employees receive 12 weeks of 100% paid parental leave. Birthing parents are eligible for an additional 6-8 weeks of physical recovery time.

🍼Fertility & Family Benefits: We have partnered with Maven, a complete digital health benefit for starting and raising a family. In 2025, Flock will provide a $ 50,000-lifetime maximum benefit related to eligible adoption, surrogacy, or fertility expenses.

💖Caregiver Support: We have partnered with Cariloop to provide our employees with caregiver support

💸Carta Tax Advisor: Employees receive 1:1 sessions with Equity Tax Advisors who can address individual grants, model tax scenarios, and answer general questions.

💚ERGs: We want all employees to thrive and feel like they belong at Flock. We offer four ERGs today - Women of Flock, Flock Proud, LEOs and Melanin Motion. If you are interested in talking to a representative from one of these, please let your recruiter know.

💻WFH Stipend: $150 per month to cover the costs of working from home.

📚Productivity Stipend: $300 per year to use on Audible, Calm, Masterclass, Duolingo, Grammarly and so much more.

🏠Home Office Stipend: A one-time $750 to help you create your dream office.

🐾Pet Insurance: We’ve partnered with Pumpkin to provide insurance for our employee’s fur babies.

If an offer is extended and accepted, this position requires the ability to obtain and maintain Criminal Justice Information Services (CJIS) certification as a condition of employment. Applicants must meet all FBI CJIS Security Policy requirements, including a fingerprint-based background check.

Flock is an equal opportunity employer. We celebrate diverse backgrounds and thoughts and welcome everyone to apply for employment with us. We are committed to fostering an environment that is inclusive, transparent, and collaborative. Mutual respect is central to how Flock operates, and we believe the best solutions come from diverse perspectives, experiences, and skills. We embrace our differences and know that we are stronger working together.

If you need assistance or an accommodation due to a disability, please email us at [email protected]. This information will be treated as confidential and used only to determine an appropriate accommodation for the interview process.

At Flock Safety, we compensate our employees fairly for their work. Base salary is determined by job-related experience, education/training, as well as market indicators. The range above is representative of base salary only and does not include equity, sales bonus plans (when applicable) and benefits. This range may be modified in the future. This job posting may span more than one career level.