Sr Software Engineer- Full Stack Web/Mobile

Be part of a team that designs, develops and integrates highly complex software functions within Resideo [SBU]. You will use your experience and judgment to plan and accomplish goals. You will also generate innovative solutions in work situations; trying different and novel ways to deal with problems and opportunities. Identify and propose technical improvements using your software engineering knowledge and principals. Accelerate innovation and growth, teaming with the world's most talented engineers. We invite you to discover for yourself why a career with Resideo is the opportunity you've been looking for.

• Build and maintain scalable, reliable Mobile and Web applications to support connected HVAC and smart home devices.
• Collaborate with cloud, product, and AI/ML teams to deliver software capabilities that support new features and customer experiences.
• Contribute to platform improvements and help establish engineering patterns, templates, and documentation.

• 5+ years of experience in software engineering with a focus on UX or mobile app development.
• Strong understanding of .NET, C# and networking.
• Strong skills in at least one framework (e.g. Xamarin/MAUI or Flutter, etc…) developing for both iOS and Android.
• Familiarity with ReactJS
• Familiarity with Python
• Understanding of database design and utilization.
• Hands-on experience with product launch and go to market strategies.

• Exposure to connected devices or IoT-related systems.
• Ability to traverse the entire software stack.
• Knowledge of HVAC, smart home, or industrial systems a plus.
• Experience working with Infrastructure-as-Code (e.g., Terraform), CI/CD and GitHub actions.
• A pragmatic mindset—balancing engineering excellence with speed and business impact.
• A strong sense of ownership and pride in shipping high-quality, maintainable systems.

WHAT'S IN IT FOR YOU:

• High Impact: Own and deliver critical platform initiatives that power millions of connected devices worldwide
• Technical Leadership: Lead real projects and shape architecture, not just contribute code
• End-to-End Ownership: See your work through from concept to production and long-term operation
• Growth Path: Clear runway toward Staff/Principal engineering or platform leadership roles
• Modern Stack: Azure cloud, event-driven systems, large-scale telemetry, Kubernetes, and modern DevOps practices
• Work in a Hybrid setting (3 days in office, 2 days remote)
• Competitive Compensation & Benefits: Including health coverage, retirement plans, paid time off, and flexible work arrangements

This position is not eligible for US sponsorship.

Resideo is a global leader in smart home and building solutions, with trusted brands including Honeywell Home, First Alert, and Resideo helping people feel more comfortable, secure, connected, and in control every day. Our products and technologies are found in more than 150 million homes and businesses worldwide. From intelligent climate solutions to security, sensing, water, and connected home technologies, Resideo develops and manufactures products designed to simplify everyday life and help protect what matters most. Our global teams span engineering, manufacturing, software, product management, supply chain, customer experience, and more — all working together to shape the future of connected living through innovation, quality, and meaningful real-world impact. At Resideo, our teams help create products and experiences that make everyday life more comfortable, secure, and connected for millions around the world. Learn more at

You can find out more about how the talent community works here: Resideo Talent Community Terms. Our recruitment privacy notice Resideo -Recruitment Privacy Notice - Dec 16 2022 describes in more detail how we process your personal data and how you can exercise your personal data rights.

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