Position Overview
We are seeking an experienced Senior .NET Backend Developer to design, build, and maintain scalable backend systems that power enterprise-grade applications.
This role is focused on backend architecture, API development, database design, distributed systems, and production reliability. The ideal candidate has deep experience building high-performance .NET applications, designing scalable data models, and supporting production systems operating at scale.
Experience working within larger engineering organizations supporting customer-facing applications is highly valued. Experience with event-driven architectures, message processing systems, and backend platform engineering is a strong plus.
This is an on-site role supporting our Chandler, AZ office.
Key Responsibilities
Design, develop, and maintain backend services using C# and ASP.NET Core
Build and support scalable REST APIs and internal service platforms
Design, optimize, and troubleshoot relational database systems
Develop high-throughput background services and asynchronous processing workflows
Implement and support event-driven and message-based architectures
Improve application performance, reliability, observability, and scalability
Collaborate with frontend, platform, cloud, and DevOps teams
Participate in architectural planning, design reviews, and technical decision-making
Write clean, maintainable, testable production code
Troubleshoot issues across application, service, and database layers
Support production deployments and ongoing operational improvements
Contribute to long-term platform stability and engineering best practices
Required Qualifications
5+ years of professional backend software development experience
Strong proficiency with C# and modern .NET development
Extensive experience building APIs and backend services using ASP.NET Core
Strong SQL development and database optimization skills
Experience designing and maintaining relational database systems
Experience with PostgreSQL and/or SQL Server
Strong understanding of API design, data modeling, and application scalability
Experience with asynchronous programming, concurrency, and multithreaded systems
Familiarity with distributed systems and service-oriented architectures
Experience with logging, monitoring, and production troubleshooting
Experience working within Git-based development workflows
Strong communication and collaboration skills
Strong Plus Qualifications
Experience with RabbitMQ, Kafka, Azure Service Bus, or similar messaging platforms
Experience building large-scale event processing or message ingestion systems
DBA-level experience including:
Query optimization
Execution plan analysis
Indexing strategies
Performance tuning
Experience supporting frontend applications serving large user bases
Experience with Redis or distributed caching solutions
Experience with Docker and containerized application deployments
Experience deploying applications within Azure environments
Experience with observability platforms such as:
Datadog
Grafana
Elastic / ELK Stack
Experience with Blazor development
Technical Environment
C#
.NET 8 / .NET 9
ASP.NET Core
REST APIs
SQL Server
PostgreSQL
Background Services / Workers
RabbitMQ / Kafka / Service Bus
Azure
Docker
Git
What Success Looks Like
Within the first several months, this person will become a key contributor to our backend platform, helping improve system scalability, reliability, and performance while supporting the development of new backend services and enterprise applications.
Successful candidates will demonstrate strong ownership, sound engineering judgment, and the ability to build maintainable systems that operate reliably in production environments.
Job Type: Full-time
Pay: $110,000.00 - $125,000.00 per year
Benefits:
Dental insurance
Health insurance
Paid time off
Vision insurance
Application Question(s):
Will you now or in the future require sponsorship for employment?
This position supports U.S. government programs and involves export-controlled technologies. U.S. Citizenship is required. Are you a U.S. Citizen?
Describe your experience designing, optimizing, and troubleshooting SQL Server and/or PostgreSQL databases. Include examples of performance tuning, indexing, or query optimization work you have performed.
How many years of professional experience do you have developing backend applications using C# and .NET?
Describe the largest backend application, API platform, or distributed system you have worked on. What was your role and what technologies were used?
What experience do you have with message queues, event-driven architectures, or distributed systems? Please include technologies such as RabbitMQ, Kafka, Azure Service Bus, or similar platforms.
Describe a significant production issue or outage you helped resolve. What was the root cause, and what actions did you take to restore service and prevent recurrence?
What experience do you have building and supporting backend applications in Azure, Docker, or cloud-hosted production environments?
Ability to Commute:
Chandler, AZ 85226 (Required)
Work Location: In person