Demo

Software Engineer - Full Stack

Kastle Systems
Kastle Systems Salary
Falls, VA Full Time
POSTED ON 7/9/2026
AVAILABLE BEFORE 8/8/2026
Overview

Kastle Systems is seeking a Software Engineer II - Full Stack to design, develop, test, and maintain software applications supporting the company's Security-as-a-Service platform. The position requires applying software engineering principles to develop scalable applications, APIs, and integrations that support customer-facing and internal business systems.

The Software Engineer II works independently on moderately complex software development projects and collaborates with product, quality assurance, operations, and engineering teams to deliver secure, reliable, and maintainable solutions.

\

Responsibilities

Application Development
  • Design, develop, test, and maintain full-stack software applications.
  • Develop software solutions using technologies including C#, .NET, JavaScript, TypeScript, SQL Server, and related frameworks.
  • Build and maintain web applications supporting internal and customer-facing business functions.
  • Develop and maintain RESTful APIs and system integrations.
  • Create reusable software components and services.

Database and Integration Development
  • Design and maintain database objects, queries, stored procedures, and data models.
  • Develop integrations between enterprise systems and cloud-based applications.
  • Troubleshoot application, integration, and database issues.

Software Quality and Reliability
  • Perform unit testing and participate in integration and system testing activities.
  • Participate in peer code reviews.
  • Analyze and resolve software defects.
  • Support software deployments and post-production issue resolution.

Cloud and Platform Support
  • Develop applications deployed within cloud environments including AWS and Azure.
  • Support containerized application deployments and CI/CD processes.
  • Participate in troubleshooting application performance and scalability issues.

Collaboration
  • Participate in Agile software development activities including sprint planning, estimation, retrospectives, and backlog refinement.
  • Collaborate with product managers, architects, quality engineers, and business stakeholders.
  • Translate business requirements into technical solutions.

Company Overview

The property technology space is growing rapidly, and Kastle is leading the way. Kastle is the leader in managed security, with a track record of introducing innovative technologies to serve over 460M square feet of real estate globally. Clients span the commercial and multifamily real estate, education, and construction industries and the customers they serve. Delivering a world class customer experience drives everything we do, and Kastle's mission is to be our customers' best service provider and to ensure that their security the most effective, efficient and convenient. Kastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants.

Equal Opportunity Statement

At Kastle, we believe that diversity makes us stronger - at work and in the world. Kastle Systems International, LLC is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, marital status, pregnancy or any other basis protected by applicable federal or state laws.

Salary.com Estimation for Software Engineer - Full Stack in Falls, VA
$97,428 to $121,854
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Software Engineer - Full Stack?

Sign up to receive alerts about other jobs on the Software Engineer - Full Stack career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$97,257 - $120,701
Income Estimation: 
$123,167 - $152,295
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Kastle Systems

  • Kastle Systems San Francisco, CA
  • Overview Who We Are: At Kastle we are a leader in providing Premier Property Technology Solutions. We protect commercial real estate, multi-family resident... more
  • 4 Days Ago

  • Kastle Systems New Carlisle, IN
  • Overview Together, We Enhance Innovation and Growth i2G specializes in advanced physical electronic security and life safety solutions. I2G has proven expe... more
  • 4 Days Ago

  • Kastle Systems Springs, GA
  • Overview Together, We Enhance Innovation and Growth i2G specializes in advanced physical electronic security and life safety solutions. I2G has proven expe... more
  • 4 Days Ago

  • Kastle Systems Austin, TX
  • Overview Together, We Enhance Innovation and Growth i2G specializes in advanced physical electronic security and life safety solutions. I2G has proven expe... more
  • 4 Days Ago


Not the job you're looking for? Here are some other Software Engineer - Full Stack jobs in the Falls, VA area that may be a better fit.

  • Software Guidance & Assistance Rockville, MD
  • Software Guidance & Assistance, Inc., (SGA), is searching for a Full Stack Software Engineer for a CONTRACT assignment with one of our premier Regulatory c... more
  • 2 Days Ago

  • TALENT Software Services Reston, VA
  • About The Role In this role, you'll develop the next generation of assessments using leading technologies. You'll work with innovative agile teams using th... more
  • 13 Days Ago

AI Assistant is available now!

Feel free to start your new journey!