Software Engineer II New Tysons, Virginia

Alarm; Tysons (VA); On-site; USD 88,000 - 123,000; Full time

Benefits offered by this job

Office 4 days/week

Competitive salary

Healthcare & 401(k)

Work-life balance

Job summary

Alarm.com is seeking a Software Engineer II to help design and deliver scalable software across the Video domain, powering millions of homes and businesses. You’ll write high-quality C#/.NET back-end code and contribute to customer-facing UIs built on top of it.

You will own features end-to-end, collaborating in design reviews and across teams, and you’ll validate AI-assisted code to maintain security and reliability.

Qualifications

• Requires a Bachelor's degree in CS/CE or equivalent experience.
• 2+ years of professional software development experience.
• Strong object-oriented programming skills; professional C#/.NET experience preferred.
• Familiarity with a modern front-end framework such as Ember, Angular, Vue, or React.
• Experience with SQL databases, including DML operations, stored procedures, and writing performant queries through indexing and batching.
• Experience with creating and maintaining unit tests.
• Demonstrated ability to take ownership of work end-to-end, from design through delivery.

Responsibilities

• Write and maintain high-quality C#/.NET back-end code across the Video domain, including device lifecycle management and customer-facing UIs built on top of it.
• Own features end-to-end from ambiguous requirements through design, implementation, testing, release, and production support.
• Exercise good judgment on when to move quickly and when to build robust solutions.
• Participate in design discussions and code reviews, giving and receiving constructive feedback.
• Debug and troubleshoot issues across environments, identifying root causes and delivering durable fixes.
• Perform other duties as assigned.
• Use AI-assisted development tools as a consistent part of the engineering workflow.
• Review AI-generated code for correctness, edge cases, security, and maintainability.

Skills

C#/.NET

Frontend framework

SQL queries

Unit tests

Ownership

Education

Bachelor's degree or equivalent

Tools

Ember/Angular/React

SQL

Job description

Do you enjoy working across diverse products and building cool, impactful features? As a Software Engineer II, you'll have the opportunity to do exactly that. Alarm.com is a leading IoT company, and as part of the Video Team, you'll help drive features that power millions of commercial and residential properties worldwide.

Alarm.com's product ecosystem spans video, automation, access control, energy management, and more. In this role, your work will be centered on the Video domain, designing and delivering robust, scalable software solutions that make homes smarter, safer, and more efficient through intelligent video monitoring. You will have the opportunity to shape how millions of users experience video, enhancing existing capabilities while pushing the boundaries of what intelligent monitoring can do.

RESPONSIBILITIES

• Write and maintain high-quality C#/.NET back-end code across the Video domain—including device lifecycle management and device-based features—along with the customer-facing web UIs built on top of it.
• Own features end-to-end, taking them from ambiguous requirements through design, implementation, testing, release, and production support, and seeking out information and context as needed to deliver good outcomes.
• Exercise good judgment. Know when to work quickly, and when to build a robust solution.
• Participate actively in design discussions and code reviews, both receiving feedback and providing thoughtful, constructive review on peers' work.
• Debug and troubleshoot issues across environments, applying reasoning to identify root causes and deliver durable fixes.
• Other duties as assigned.
• Use AI-assisted development tools as a consistent part of your engineering workflow.
• Validate AI-generated code rigorously before it reaches production: review for correctness, edge cases, security implications, and long-term maintainability.

REQUIREMENTS

• Bachelor's in Computer Science, Computer Engineering, a related field, or equivalent work experience
• 2+ years of professional software development experience
• Strong object-oriented programming skills; professional C#/.NET experience preferred
• Familiarity with a modern front-end framework such as Ember, Angular, Vue, or React
• Experience with SQL databases, including DML operations, stored procedures, and writing performant queries through indexing and batching
• Experience with creating and maintaining unit tests
• Demonstrated ability to take ownership of work end-to-end, from design through delivery

NICE TO HAVES

• Familiarity with microservices architecture
• Familiarity with distributed systems, event-driven architecture, or messaging technologies
• Experience working with IoT and hardware
• Experience with observability, logging, error handling, and monitoring in production systems
• Experience integrating AI-assisted development tools into a professional engineering workflow

BENEFITS

• Collaborate with outstanding people: We hire only the best. Our standards are high and our employees enjoy working alongside other high achievers.
• Make an immediate impact: New employees can expect to be given real responsibility for bringing new technologies to the marketplace. You are empowered to perform as soon as you join the Alarm.com team!
• Gain well rounded experience: Alarm.com offers a diverse and dynamic environment where you will get the chance to work directly with executives and develop expertise across multiple areas of the business.
• Community and Camaraderie: One of our core values is to 'Keep It Fun,' which to us means fostering a strong sense of community. Our culture is built on collaboration and connection, where we celebrate our successes and believe that a positive, engaging environment is key to doing our best work.
• Alarm.com values working together and collaborating in person. Our employees work from the office 4 days a week.

COMPANY INFO

Alarm.com is the leading platform for intelligently connected properties. Millions of homeowners and businesses rely on Alarm.com 's technology to secure, monitor, and manage their environments from anywhere. Our comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. Alarm.com 's common stock is traded on Nasdaq under the ticker symbol ALRM. Alarm.com delivers serious security for serious people.

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.

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.

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.

We also provide company-paid disability and life insurance.

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.

The base salary range of this opportunity is listed below and is determined within a range based on factors including qualifications, location and experience. This allows opportunity for growth and development within the role. The base salary offered is part of a total compensation package.

BASE SALARY RANGE

$88,300 - $122,500 USD