Senior Software Engineer

Noonlight; Austin (TX); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health insurance

HSA contribution

401(k) with match

Paid vacation

Maternity leave

Disability insurance

Job summary

Noonlight, an Alarm.com company, is seeking a Sr. Software Engineer to build features for lifesaving APIs and web apps. You will own projects from ideation to delivery and collaborate with product managers to remove barriers, using AI tools to enhance development quality and efficiency.

You will develop REST APIs with Node.js, Express/Fastify, MongoDB in a microservice setup and craft high-quality React.js web experiences for 24/7 dispatchers, driving safety-focused outcomes across the platform.

Qualifications

• Bachelor’s in Computer Science, Computer Engineering, or related field or equivalent experience.
• 7+ years of professional software development experience.
• Experience mentoring other engineers.
• Strong front-end and back-end development skills.
• Experience leveraging AI/code tools for faster, higher-quality software development.
• Experience with database design and development.

Responsibilities

• Lead large-scale projects across the full software development lifecycle.
• Develop and maintain REST APIs using Node.js and MongoDB in a microservice architecture.
• Build and maintain web applications used by 24/7 dispatchers in React.js.

Skills

Full-stack development

Mentoring

AI tooling usage

Database design

Node.js/Express/Fastify

Education

Bachelor’s in CS/CE or related field

Tools

MongoDB

Node.js

Express/Fastify

Job description

At Noonlight, an Alarm.com company, our mission is to protect and comfort people so they can live freely. What began as an app focused on helping people walk safely from point A to point B, is now a suite of emergency response APIs backing some of the smartest home, health, lifestyle, and commercial security products in the market.

We are looking for an experienced full-stack engineer to leverage their expertise to enrich our B2B product experiences. As a Sr. Software Engineer, you will be responsible for building new features, identifying areas for improvement in our lifesaving APIs and web applications, and improving developer experience.

What Excites You

• Taking ownership of products and features, from ideation to delivery
• Coming up with new ways to leverage technology to keep people safe
• Disrupting the expensive and outdated professional monitoring industry
• Saving people, pets, and property in real life emergencies

What Excites Us

• Willingness to test, learn, and improve in quick cycles
• Strong sense of ownership, work ethic, and self-motivation
• Exceptional problem solving/analytical skills
• Experience leading projects from start to finish, including working with product managers to proactively identify and resolve potential barriers

What can you do for Noonlight?

• Independently lead implementation of large-scale projects at all levels of the software development lifecycle
• Develop and maintain high-quality, secure, and stable REST APIs using Node.js, Express/Fastify, MongoDB, and API gateways in a microservice architecture
• Develop and maintain high-quality web applications used by 24/7 dispatchers to respond to emergencies in React.js
• Use AI-powered coding tools (e.g. GitHub Copilot, Claude Code, etc.) to improve development experience, efficiency, and code quality
• Practice technical leadership by building and maintaining best-practices, up-to-date architecture, and developer-experience standards for the rest of the team; stay current on new technologies to evaluate and make recommendations as necessary
• Be a collaborator across the whole company; work with product, customer success, and leadership to ensure good decisions are being made
• Engage in the research, evaluation, and application of new technologies and methodologies in the safety-related space to solve challenging product goals
• Propose, build, and maintain internal tools and infrastructure that drive and support business goals and business teams
• Bring your ideas! We want our engineers to collaborate on product development, not blindly build to a spec

Requirements

• Bachelor’s in Computer Science, Computer Engineering, a related field, or equivalent work experience
• 7+ years of professional software development experience
• Experience mentoring other engineers
• Strong programming skills in front-end and back-end development
• Experience leveraging AI and agentic coding tools for faster, higher-quality software development
• Experience with database design and development

Nice-to-haves

• Experience working with high-availability, high-throughput services
• Experience with external-facing APIs and/or third-party platform integrations
• Experience leading engineering teams
• Experience in IoT, smart home, security monitoring, or safety-related industries

Please note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time.

COMPANY INFORMATION

Noonlight combines advanced technology with real humans to protect and comfort people so they can live freely. Launched in 2013 as a mobile application, Noonlight has since grown into a connected safety platform—partnering with products and services to enable modern and affordable 24/7 professional sensor monitoring, video monitoring, false alarm filtering, and data-rich emergency response via an API. Noonlight's technology works everywhere in the United States and Canada, allowing end users to quickly get help in any situation, without requiring a 911 call or the ability to talk or text. Noonlight was recently acquired by Alarm.com , furthering its vision of automatic safety. It continues to operate as an independent business, with the elite knowledge, benefits, and backing of Alarm.com .

COMPANY BENEFITS

Our total rewards package is designed to support you holistically—in your health, your finances, and your life outside of work. The package includes medical plans with company subsidies, a Health Savings Account (HSA) with a company contribution, and a 401(k) with an employer match. We encourage a healthy work-life balance with paid vacation that increases with tenure, paid holidays, wellness time, and paid maternity and bonding leave. To complete the package, we also provide company‑paid disability and life insurance, all within a collaborative and casual work environment.

Notice To Third Party Agencies

Alarm.com understands the value of professional recruiting services. However, we are not accepting resumes from recruiters or employment agencies for this position. In the event we receive a resume or candidate referral for this position from a third-party recruiter or agency without a previously signed agreement, we reserve the right to pursue and hire those candidate(s) without any financial obligation to you. If you are interested in working with Alarm.com , please email your company information and standard agreement to [e-mail].