Senior Software Engineer: Access Control Platform Lead

Alarm; Tysons (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Hackathons

Team events

Company-wide celebrations

Career growth opportunities

Job summary

Alarm.com is seeking a Senior Software Engineer for its Access Control team to redefine security through a cloud-based platform. You will design, develop, and optimize robust access control solutions, mentor junior engineers, and lead cross-functional projects—from architecture to deployment—using the latest technologies.

You will collaborate with product managers and device engineers, shaping the future of security while delivering scalable, maintainable software across web and mobile

Qualifications

• 5+ years of professional software development experience.
• Strong object-oriented programming skills; experience with C#/.NET is a plus.
• Experience with database design and development (SQL Server preferred).
• Proficiency in developing backend services and APIs.
• Experience with unit testing, integration testing, and CI/CD pipelines.
• Knowledge of distributed systems, event-driven architecture, and messaging technologies (Kafka is a plus).
• Experience working with IoT, hardware, or embedded systems is a plus.

Responsibilities

• Design and develop full-stack software solutions across a variety of platforms and technologies.
• Lead technical projects, making architectural decisions and ensuring scalability, security, and performance.
• Research, evaluate, and apply new technologies to solve complex engineering challenges.
• Take part in the entire development lifecycle, from requirements gathering to deployment.
• Balance speed and robustness—know when to iterate quickly and when to build scalable, maintainable solutions.
• Collaborate with cross-functional teams, including product managers, device engineers, and other software teams.
• Mentor junior engineers, fostering technical growth and knowledge-sharing within the team.
• Contribute to a culture of innovation by bringing new ideas and technical improvements to the table.

Skills

Object-oriented programming

Education

Bachelor’s in CS/CE or related field

Tools

C#/.NET

SQL Server

Kafka

Ember.js

Job description

Alarm.com is seeking a Senior Software Engineer for its Access Control team to redefine security through a cloud-based platform. You will design, develop, and optimize robust access control solutions, mentor junior engineers, and lead cross-functional projects—from architecture to deployment—using the latest technologies.

You will collaborate with product managers and device engineers, shaping the future of security while delivering scalable, maintainable software across web and mobile