Senior .NET Backend Developer

Company Description CoreKinect is an innovative startup focused on building customized hardware solutions for a broad range of IoT products. The company manages the entire lifecycle, from initial design and prototyping through to manufacturing and assembly. By tightly integrating hardware, software, and cloud capabilities, CoreKinect aims to redefine the IoT space with highly scalable and efficient solutions. The organization emphasizes market-disrupting price points while maintaining product quality and reliability. Team members join a fast-moving environment where they can directly influence next-generation IoT platforms.Position OverviewWe 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 ResponsibilitiesDesign, develop, and maintain backend services using C# and ASP.NET CoreBuild and support scalable REST APIs and internal service platformsDesign, optimize, and troubleshoot relational database systemsDevelop high-throughput background services and asynchronous processing workflowsImplement and support event-driven and message-based architecturesImprove application performance, reliability, observability, and scalabilityCollaborate with frontend, platform, cloud, and DevOps teamsParticipate in architectural planning, design reviews, and technical decision-makingWrite clean, maintainable, testable production codeTroubleshoot issues across application, service, and database layersSupport production deployments and ongoing operational improvementsContribute to long-term platform stability and engineering best practicesRequired Qualifications5+ years of professional backend software development experienceStrong proficiency with C# and modern .NET developmentExtensive experience building APIs and backend services using ASP.NET CoreStrong SQL development and database optimization skillsExperience designing and maintaining relational database systemsExperience with PostgreSQL and/or SQL ServerStrong understanding of API design, data modeling, and application scalabilityExperience with asynchronous programming, concurrency, and multithreaded systemsFamiliarity with distributed systems and service-oriented architecturesExperience with logging, monitoring, and production troubleshootingExperience working within Git-based development workflowsStrong communication and collaboration skillsMust be a U.S. Citizen and eligible to support U.S. government, defense, and public sector customer programs.Strong Plus QualificationsExperience with RabbitMQ, Kafka, Azure Service Bus, or similar messaging platformsExperience building large-scale event processing or message ingestion systemsDBA-level experience including:Query optimizationExecution plan analysisIndexing strategiesPerformance tuningExperience supporting frontend applications serving large user basesExperience with Redis or distributed caching solutionsExperience with Docker and containerized application deploymentsExperience deploying applications within Azure environmentsExperience with observability platforms such as:DatadogGrafanaElastic / ELK StackExperience with Blazor developmentTechnical EnvironmentC#.NET 8 / .NET 9ASP.NET CoreREST APIsSQL ServerPostgreSQLBackground Services / WorkersRabbitMQ / Kafka / Service BusAzureDockerGitWhat Success Looks LikeWithin 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-timeBenefits:Dental insuranceHealth insurancePaid time offVision insurance