IT Senior Developer

Brinks Home™ is a leader in smart home and residential security, protecting more than 1 million people across the continental United States, Canada and Puerto Rico. Our teams work together to deliver a best-in-class experience for our customers and one another.

Brinks Home is seeking an IT Application Senior Developer to help lead the design, development and support of business applications that support our customer order, installation and monitoring journey. This role provides technical and architectural leadership while building and maintaining .NET applications, APIs and integrations.

AI-assisted development is a core part of how this team works. The Senior Developer will direct AI coding agents to prepare technical plans, generate code and tests, and open pull requests. The role requires sound engineering judgment to evaluate AI-generated work, ensure quality and security, and remain accountable for changes released to production. The successful candidate will also help establish effective practices and mentor teammates.

• Lead the application development lifecycle, including requirements analysis, solution design, development, testing, code review and ongoing support.
• Design, build and maintain .NET web applications, APIs and integrations in accordance with company standards and REST principles.
• Develop solutions across cloud-based and service-oriented architectures, integrating core business systems such as CRM, ERP, inventory and monitoring platforms.
• Investigate and resolve production issues using application logs, telemetry, databases and AI-assisted analysis; document fixes and maintain runbooks.
• Maintain coding standards, improve application performance, address technical debt and support continuous integration.

• Translate Jira stories into clear, testable acceptance criteria, including edge cases and failure scenarios.
• Direct AI coding agents, such as Claude Code, to develop file-level technical plans and implement code, tests and pull requests.
• Critically review AI-generated plans, code and tests for accuracy, security, scope, quality and potential regressions.
• Maintain traceability from requirements and technical plans through testing and deployment, including documentation for change approval requests.
• Evaluate test results in system integration and staging environments and determine when changes are ready for production.
• Improve shared agent prompts, skills and rules, and coach developers on effective AI use and appropriate human review.

• Help establish technical and architectural direction for applications and systems.
• Partner with product owners and business stakeholders to explore solutions and deliver business value.
• Lead peer reviews and quality assurance activities, participate in Agile/Scrum ceremonies and recommend process improvements.
• Mentor developers and share technical knowledge with engineering, support and cross-functional teams.
• Research new tools and frameworks and assess their impact on business processes, application health and performance.

• Bachelor’s degree in Computer Science, Engineering or a related technical field, or equivalent practical experience.
• At least 8 years of experience designing, building and maintaining production web or business applications, including 3 or more years with C#/.NET.
• At least 8 years of experience working in Agile/Scrum environments.
• Daily, hands-on experience using AI coding agents or assistants such as Claude Code, Git Hub Copilot or Cursor on real development work.
• Strong expertise in C#, .NET Core/ASP.NET MVC and Entity Framework, with solid SQL Server skills, including query…