Principal IoT & Cloud Architect

Xapply; Tysons (VA); On-site; USD 200,000 - 250,000; Full time

Benefits offered by this job

Collaborate with outstanding people

Immediate impact

Gain well rounded experience

Community and Camaraderie

In-person office 4 days a week

Job summary

Alarm.com is seeking a Principal Software Engineer for the emPower team to lead architecture and engineering for IoT, smart home automation, energy management, HVAC, water, and device control experiences. This IC role sits at the intersection of cloud services, physical devices, mobile and web apps, automation logic, data processing, and customer‑facing product experiences.

You will provide hands-on technical leadership, define architecture, mentor engineers, and guide major design decisions to

Qualifications

• Bachelor’s degree or equivalent professional experience.
• 15+ years of professional software development experience.
• Proven experience designing, building, and delivering complex software systems.
• Strong object‑oriented programming skills; experience with C#/.NET required.
• Significant database design, performance, and development experience.
• Experience leading technical direction across teams and influencing architecture beyond a single project.
• Experience mentoring engineers and helping develop people, practices, and reusable technical solutions.
• Ability to select appropriate frameworks, architecture patterns, and educate teams.
• Strong analytical skills and practical problem‑solving mindset.
• Ability to lead and influence across teams without relying solely on reporting authority.
• Ability to reason across the full product stack, including backend services and APIs.
• Strong understanding of OO design, SDLC, and maintainability.
• Excellent communication skills to explain tradeoffs to stakeholders.

Responsibilities

• Provide hands‑on technical leadership for systems spanning IoT device control and smart home experiences.
• Lead architecture and design for major software components, services, APIs, data flows, and integration patterns.
• Evolve monolithic systems into modular, scalable, reliable architectures.
• Partner with product, firmware, platform, operations, and application teams to clarify technical direction.
• Mentor engineers and raise the technical bar through reviews and guidance.
• Drive cross‑team collaboration across multiple technical domains.
• Evaluate new technologies and methodologies to improve product capabilities.
• Reason across the full product stack including backend, data stores, APIs, and device integrations.

Skills

C#/.NET

OO design

Architecture leadership

Mentoring

Cross-team collaboration

Technical judgment

Education

Bachelor’s degree in Computer Science, Computer Engineering, or related field

Tools

C#/.NET

Job description

Alarm.com is seeking a Principal Software Engineer for the emPower team to lead architecture and engineering for IoT, smart home automation, energy management, HVAC, water, and device control experiences. This IC role sits at the intersection of cloud services, physical devices, mobile and web apps, automation logic, data processing, and customer‑facing product experiences.

You will provide hands-on technical leadership, define architecture, mentor engineers, and guide major design decisions to