Senior Software Engineer

ESA - Electronic Security Association

Senior Software Engineer developing and integrating cloud infrastructures for IoT solutions at Resideo. Collaborating on designing scalable, secure, and highly available software systems.

Posted 4/25/2026full-timeMelville • New York, Texas • 🇺🇸 United StatesSenior💰 $101,820 - $173,380 per yearWebsite

Tech Stack

Tools & technologies

AWSAzureCloudCyber SecurityDockerDynamoDBKubernetesMicroservicesMongoDB.NETPostgresSQL

About the role

Key responsibilities & impact

Design and develop highly available, low-latency backend cloud services that power innovative, customer-facing applications for Resideo connected products and services
Design and deliver production-grade applications across both Azure and AWS, gaining hands-on experience with the industry’s most widely adopted cloud platforms
Develop and operate containerized, Docker-based workloads running on Kubernetes in Azure - working with microservices, orchestration, and azure-native infrastructure and patterns that power modern platforms
Architect and build Lambda-based, fully serverless applications in AWS, focusing on scalability, event-driven design, and cost-efficient cloud solutions
Take ownership of software components’ design, driving development with best-in-class engineering practices including unit testing, static code analysis, and cybersecurity compliance
Be involved from design and architecture through implementation, deployment, and production support, with real influence over technical decisions
Work with cutting-edge technologies including containers, Kubernetes, CDKTF, GitHub Actions, OpenTelemetry, Aspire, LocalStack, etc.
Identify 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 and solve meaningful challenges that help protect customers and even save lives
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

Requirements

What you’ll need

5+ years of hands-on experience in software development, including designing, building, and maintaining production-grade cloud services (Azure, AWS, or similar platforms)
Proven expertise in C#/.NET and .NET Core development, with a strong understanding of object-oriented design principles, .NET internals, and both relational (PostgreSQL, SQL Server) and non-relational (MongoDB, Cosmos, DynamoDB) database technologies
Proven experience implementing REST APIs, microservices, and event-driven architectures
Willingness and proven ability to provide L3 support in a production environment, ensuring reliability and quick resolution of issues
The ability to work in-office three days/week (Tu/Weds/Thurs) in adherence with our required hybrid work environment.

Benefits

Comp & perks

Resideo provides comprehensive benefits, including life and health insurance, life assistance program, accidental death and dismemberment insurance, disability insurance, 401k Plan, vacation & holidays.

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Hard Skills & Tools

C#.NET.NET CoreREST APIsmicroservicesevent-driven architecturePostgreSQLSQL ServerMongoDBDynamoDB

Soft Skills

collaborationproblem-solvingcommunicationownershipagile methodologycustomer supportinnovationtechnical guidancecross-functional teamworkadaptability