Software Engineer II

Designs, develops, tests, and supports software for cloud-based and connected-device solutions. Works as part of an engineering team to deliver reliable backend services, APIs, and cloud integrations under the guidance of more senior engineers.

The role is well suited for an engineer who has established software development fundamentals and is looking to grow their experience in cloud-native development, distributed systems, and connected products. The engineer will contribute to feature development, production support, automated testing, and continuous improvement of software quality, reliability, and maintainability.

JOB DUTIES:

• Develop and maintain backend services, RESTful APIs, and cloud-based software components supporting connected products and customer-facing applications.  
• Implement software features using C#/.NET and established engineering patterns, coding standards, automated testing, and code review practices. 
• Integrate services with databases, messaging systems, queues, storage, and other cloud platform components. 
• Write unit and integration tests and participate in code reviews to maintain software quality and reliability. 
• Troubleshoot software and production issues by analyzing application logs, metrics, code behavior, and system dependencies. 
• Participate in L3 support activities and work with senior engineers to identify root causes and implement corrective actions. 
• Collaborate with product, QA, operations, firmware, mobile, and other engineering teams to understand requirements and deliver assigned functionality. 
• Participate in technical design discussions and contribute implementation ideas and recommendations within established system architecture. 
• Identify opportunities to improve performance, reliability, maintainability, security, and developer productivity. 
• Participate in agile ceremonies, provide clear status updates, and document technical approaches and troubleshooting findings. 

YOU MUST HAVE:

• 3+ years of professional software engineering experience developing and supporting production software. 
• Hands-on programming experience with C#/.NET, Java, or a similar object-oriented language. 
• Experience developing or consuming REST APIs and working with backend services. 
• Working knowledge of databases and data access patterns. 
• Experience with source control, preferably Git, code reviews, and modern software development practices. 
• Experience writing automated tests and debugging software issues. 
• Ability to work collaboratively within a software engineering team. 
• Strong problem-solving skills and willingness to learn new technologies. 

WE VALUE:

• Experience developing applications using C#/.NET Core. 
• Exposure to Microsoft Azure or another major cloud platform. 
• Experience with Azure technologies such as App Services, Functions, Storage, Service Bus, Event Hubs, IoT Hub, or Cosmos DB. 
• Familiarity with microservices, asynchronous messaging, or event-driven architectures. 
• Experience with SQL and/or NoSQL databases such as SQL Server, PostgreSQL, MongoDB, or Cosmos DB. 
• Familiarity with containers and technologies such as Docker or Kubernetes. 
• Experience using application logs, metrics, dashboards, or observability tools to troubleshoot issues. 
• Experience with connected devices, IoT applications, or other distributed systems is a plus. 

WHAT'S IN IT FOR YOU:

• Opportunity to shape the technical direction of a global IoT platform
• Significant influence on architecture, tooling, and engineering standards
• Collaboration across a diverse, global organization
• Work on a full‑stack, cloud‑based security and smart‑home platform
• Competitive benefits including healthcare, retirement plans, paid time off, and holidays

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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 www.resideo.com.

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