Software Engineer II

ESA - Electronic Security Association

Software Engineer II developing C#/.NET backend services, APIs, and cloud integrations. Supporting Resideo’s connected-device, security, and smart-home platform.

Posted 9/5/2026full-timeAustin • Texas • 🇺🇸 United StatesMid-LevelSenior💰 $94,908 - $161,612 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining backend services and RESTful APIs using C#/.NET, with a strong focus on automated testing and code review practices. Proficient in troubleshooting software issues and collaborating with cross-functional teams to enhance system performance and reliability.

Highest-signal resume keywords

C#/.NET DevelopmentREST API DevelopmentAutomated TestingMicrosoft AzureSQL/NoSQL Database Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#.NETREST APIsAutomated TestingSQL ServerPostgreSQLMongoDBAzure App ServicesAzure FunctionsAzure Storage

Soft Skills

Problem-SolvingCollaborationWillingness to Learn

Tools & Technologies

GitDockerKubernetesApplication LogsObservability Tools

Industry Keywords

Cloud-Based SoftwareMicroservicesEvent-Driven ArchitectureIoT ApplicationsConnected Devices

Tech Stack

Tools & technologies

AzureCloudDistributed SystemsDockerIoTJavaKubernetesMicroservicesMongoDB.NETNoSQLPostgresSQL

About the role

Key responsibilities & impact

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
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

Requirements

What you’ll need

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
Experience developing applications using C#/.NET Core is valued
Exposure to Microsoft Azure or another major cloud platform is valued
Experience with Azure technologies such as App Services, Functions, Storage, Service Bus, Event Hubs, IoT Hub, or Cosmos DB is valued
Familiarity with microservices, asynchronous messaging, or event-driven architectures is valued
Experience with SQL and/or NoSQL databases such as SQL Server, PostgreSQL, MongoDB, or Cosmos DB is valued
Familiarity with containers and technologies such as Docker or Kubernetes is valued
Experience using application logs, metrics, dashboards, or observability tools to troubleshoot issues is valued
Experience with connected devices, IoT applications, or other distributed systems is a plus
This position is not eligible for US visa sponsorship

Benefits

Comp & perks

Healthcare insurance
Life insurance
Life assistance program
Accidental death and dismemberment insurance
Disability insurance
401k Plan
Vacation
Holidays
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