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Xunit Developer Jobs

2 jobs found

1d ago

.NET Backend Developer

CoreKinect Chandler, AZ

Chandler, AZ

1d ago

$140k - $160k/yr Full time Backend Developer .NET .NET Core

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Job Description

CoreKinect is building high-throughput backend systems that handle binary IoT device traffic and power business-critical internal applications. If you enjoy backend engineering with real-world reliability requirements, this onsite role in Chandler, AZ combines distributed systems, secure protocol processing, and data storage and performance work. The position offers $140,000 - $160,000 per year and benefits including health insurance, vision insurance, and paid time off.

What you’ll build

IoT device communication systems and binary protocol ingestion services
Backend APIs and services used by internal business operations and workflows
Data processing pipelines for device traffic at scale, including scalable storage and caching systems
Security-focused communication infrastructure using encryption and signing workflows
Database design and performance optimization initiatives to support efficient storage and retrieval of large volumes of device data

Responsibilities

Design and develop backend systems using C# and ASP.NET 6+
Build high-throughput services for ingesting binary IoT device traffic
Develop ASP.NET applications and backend services that support internal business operations
Implement binary protocol parsing, buffer processing, checksumming, and packet validation
Create secure communication workflows using AES encryption and cryptographic signing
Design scalable systems for processing, storing, and retrieving large volumes of device data
Design database schemas that support scalability, maintainability, and efficient data access patterns
Write and optimize SQL queries, indexes, and database structures for high-performance application behavior
Analyze and troubleshoot database performance issues, query execution plans, and data access bottlenecks
Build and maintain PostgreSQL and Redis-backed services
Use Clean Architecture and Domain-Driven Design (DDD) to build maintainable architectures
Create automated tests using xUnit and related testing tools
Containerize applications and development environments using Docker
Collaborate with frontend and infrastructure teams to prepare backend data for web UI consumption
Troubleshoot performance bottlenecks, concurrency issues, and distributed system failures
Participate in architectural discussions and technical decision-making

Requirements

Strong professional experience with C# and ASP.NET 6 or newer
Experience building backend APIs and distributed systems
Strong understanding of relational database design and data modeling principles
Ability to design database schemas, indexes, and efficient query strategies
Competence analyzing query performance and understanding how database design impacts scalability
Strong understanding of SQL and experience with PostgreSQL
Experience with Redis or other caching technologies
Strong understanding of Clean Architecture and Domain-Driven Design (DDD)
Experience writing automated tests using xUnit
Experience with Docker and containerized development workflows
Familiarity with AES encryption, cryptographic signing, and checksumming techniques
Experience with binary protocols, byte buffers, streams, or low-level data processing
Strong understanding of asynchronous programming, concurrency, and performance optimization
Ability to write clean, maintainable, production-quality code

Preferred qualifications

Experience with IoT systems or telemetry platforms
Experience designing message ingestion pipelines
Familiarity with TCP/UDP socket programming
Experience with high-volume or real-time data processing systems
Experience with event-driven architectures and background processing systems
Familiarity with Linux-based deployment environments
Understanding of networking fundamentals and communication protocols
Experience troubleshooting database performance issues in production environments
Familiarity with database indexing strategies, query optimization, and large-scale data storage systems

Work location: In person. Application requirement: U.S. citizenship and ability to work full-time on-site in Chandler, Arizona.

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4mo ago

.NET Developer Technical Lead

Vaco by Highspring Orlando, FL

Orlando, FL

4mo ago Closed

$135k - $145k/yr Full time Senior .NET .NET

This position is no longer accepting applications (closed May 8, 2026).