C# Socket Programming Developer

Job Title: C# Socket Programming Developer Location: 5 days onsite, needing someone in houston Sub Vending is fine Job Summary: We are seeking a skilled C# Socket Developer to develop high-performance networking application to communicate with remote I/O devices. The ideal candidate will have expertise in TCP/IP, UDP, WebSockets, and multi-threaded programming in C#. The candidate will work on real-time communication systems, client-server applications, and network protocols. Required : Project Overview Connection to Hardware Device: The application needs to connect to a hardware device, which will be provided by an external vendor. Data Handling: TCP will be used to fetch data, get package information, and process the data for internal software. Key Responsibilities: Develop and maintain socket-based communication systems in C#. Implement TCP, UDP, and WebSockets for real-time data transmission. Design multi-threaded applications ensuring efficient data processing. Optimize network latency and performance for high-throughput applications. Debug and troubleshoot network issues, connection failures, and data loss. Implement asynchronous programming and event-driven architecture. Ensure secure communication using encryption (SSL/TLS) and authentication mechanisms. Write unit tests, integration tests, and performance benchmarks for networking code. Collaborate with backend, frontend, and DevOps teams to ensure seamless application integration. Required Skills & Qualifications: • 5+ years' experience using C++, C# and .NET Core/.NET Framework. • Experience with System.Net.Sockets for TCP/UDP communication. • Understanding of socket lifecycle (connect, send, receive, close). • Expertise in multi-threading, parallel programming, and async programming. • Knowledge of networking concepts (IP addressing, ports, protocols, firewalls). • Familiarity with WebSockets, RabbitMQ for real-time applications. • Experience working with Windows Services, Linux sockets, or embedded systems (preferred). • Knowledge of REST APIs and microservices architecture (plus). • Bachelor's degree in Computer Science, Engineering, or a related field. Required : Project Overview Connection to Hardware Device: The application needs to connect to a hardware device, which will be provided by an external vendor. Data Handling: TCP will be used to fetch data, get package information, and process the data for internal software. Candidate Onboarding Technical Requirements Programming Languages: 80% C# 20% C++ (legacy systems, medium-level knowledge required, not embedded development) Frameworks: .NET Core (future-ready development) Legacy .NET Framework (backend communication via RabbitMQ) Operating Systems: Mostly desktop Windows-based Databases: MongoDB (nice to have) Messaging Tools: RabbitMQ (required, no other messaging tools) Communication Protocols: WebSockets (to communicate with hardware) TCP, UDP Security: Must have experience with SSL/TLS Collaboration: Day-to-day basis for collaboration Git repository for integration Data Handling: Data level acquisitions ongoing Data needs to be transferred to other systems using multiple threads Programming Techniques: Medium-level knowledge of asynchronous programming System.Net.Sockets is required Additional Requirements: Containerizable and ready for microservices (nice to have) QA person available to assist with testing (developer does not need to do their own testing)

Created: 2026-03-04