Sr Software Engineer

Join a dynamic software engineering team at Resideo that designs, develops, and integrates highly complex IoT software solutions. As a Sr Software Engineer, you will work as part of a team of world-class engineers, driving the success of our software engineering initiatives. You will be responsible for designing, developing, and integrating sophisticated systems and software for the latest home security and automation of IoT/connected devices. You will use your experience, technical, and design skills to implement features targeted for the smart home ecosystem services. These cloud services enable millions of end users (homeowners) to command and control their home or business from anywhere, anytime on any mobile devices; Control and manage the security system and smart home devices likes garage doors, thermostats, lights, locks, video doorbell, cameras, and more.

We invite you to discover for yourself why a career with Resideo is the opportunity you've been looking for.

Job Duties

• Design and develop highly available, low-latency backend cloud services that that power Resideo’s connected products and customer facing applications

• Design, build and integrate RESTful APIs, backend services, and cloud native components

• Take ownership of software components’ design, driving development with best-in-class engineering practices including unit testing, static code analysis, and cybersecurity compliance

• Integrate the latest technology stacks into solutions within a fast-paced, evolving environment

• Lead technical innovation by identifying opportunities for improvement and applying deep software engineering principles to deliver scalable, high-performance solutions

• Collaborate cross-functionally with product owners, technical teams, and customer operations to deliver exceptional user experience

• Foster growth and innovation by collaborating with some of the industry’s brightest engineers and leveraging advanced AI tools to deliver impactful solutions

• Engage actively in agile ceremonies, sharing progress, asking insightful questions, and learning from peers, partners, and customers to continuously improve

• Provide technical support and guidance to resolve customer issues

You Must Have

• 7+ years of hands-on software development experience, including designing, building, and maintaining production-grade cloud services (Azure or equivalent)

• Expertise in C#/.NET and .NET Core, with strong object-oriented design principles and deep understanding of .NET internals

• Proven experience implementing REST APIs, microservices, messaging patterns and event-driven architectures

• Experience with cloud relational/non-relational databases (Ex: PostgreSQL, SQL Server, MongoDB, Cosmos, DynamoDB)

• Understanding of identity management (Ex: Auth0, OAuth2, Azure AD) and authorization frameworks

• Ability and willingness to provide L3 support in a production environment, ensuring reliability and quick resolution of issues

We Value

• Experience with active‑active multiregional architecture and development using Azure services ensuring zero‑downtime failover, global load distribution, and resilience

• Strong knowledge of Azure App Services, Functions, API Management, EventHub, API Gateway, Load Balancer, Traffic Manager, and development of IoT solutions.

• Experience designing and implementing authorization/permission management frameworks

• Experience with CI/CD pipelines, Kubernetes, Jenkins, GitHub, Crucible, SonarQube, or similar

• Experience with Scaled Agile/SCRUM development practices and a collaborative approach to software delivery.

• Strong analytical and problem-solving skills, with a track record of owning design and implementation with minimal supervision

• Demonstrated ability to communicate and collaborate effectively across globally distributed teams, make sound decisions in complex environments, and rapidly learn and apply new concepts, technologies, and information

What is in it for you:

• Innovation: Bring your creative ideas to the table and be part of a company that is shaping the future of the Smart Home

• The opportunity to be an engineering partner on products that individuals interact with on a daily basis that impacts their comfort, safety, and security.

• Be a part of a team that is growing and regularly investing in research and development to continue to strengthen the products we offer.

• Resideo provides employees with a comprehensive benefits package, including life and health insurance, life assistance program, accidental death and dismemberment insurance, disability insurance, retirement plans, vacation & holidays

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Resideo Technologies has announced its intention to spin off ADI Global Distribution and establish it as a separate, publicly traded company. Under this plan, ADI will continue its role as a leading global wholesale distributor serving commercial and residential markets, while Resideo will retain its manufacturing and product-solutions business. Upon separation, both companies will operate independently to better serve their respective markets and customers. The spin-off is currently targeted for completion in the second half of 2026, subject to customary conditions.

Resideo is a $6.76 billion global manufacturer, developer, and distributor of technology-driven sensing and control solutions that help homeowners and businesses stay connected and in control of their comfort, security, energy use, and smart living. We focus on the professional channel, serving over 100,000 contractors, installers, dealers, and integrators across the HVAC, security, fire, electrical, and home comfort markets. Our products are found in more than 150 million residential and commercial spaces worldwide, with tens of millions of new devices sold annually. Trusted brands like Honeywell Home, First Alert, and Resideo power connected living for over 12.8 million customers through our Products & Solutions segment. Our ADI | Snap One segment spans 200+ stocking locations in 17 countries, offering a catalog of over 500,000 products from more than 1,000 manufacturers. With a global team of more than 14,000 employees, we offer the opportunity to make a real impact in a fast-growing, purpose-driven industry. Learn more at

At Resideo, we bring together diverse individuals to build the future of homes. Resideo is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. For more information on applicable U.S. equal employment regulations, refer to the "EEO is the Law" poster, "EEO is the Law" Supplement Poster and the Pay Transparency Nondiscrimination Provision. Resideo complies with applicable equal employment laws in all countries where we do business. For more information on how we process your information in the job application process, please refer to Recruitment Privacy Notice. If you require a reasonable accommodation to apply for a job, please use Contact Us form for assistance.