Senior Software Engineer – Ultra Messaging
Job in
Rockford, Winnebago County, Illinois, 61103, USA
Listed on 2026-07-20
Listing for:
Jobtailor
Full Time
position Listed on 2026-07-20
Job specializations:
-
Software Development
Backend Developer, Software Engineer, Software Testing, Senior Developer
Job Description & How to Apply Below
Responsibilities
- Analyze requirements for new features, enhancements, and bug fixes; produce clear requirements documents.
- Evaluate the existing codebase to determine optimal design approaches; produce design documents.
- Implement changes primarily in the core C layer, with occasional work in Java (via JNI) and .NET (C#) API wrappers for cross-platform support.
- Write and execute development-level tests to validate correctness and performance.
- Collaborate with and support QA and customer support engineers throughout the development lifecycle.
- Occasionally engage directly with customers on technically complex issues when escalation is warranted.
- 5+ years of experience writing production-quality C or C++ code
- Hands‑on experience with multi‑threaded programming, including concurrency patterns and thread synchronization primitives
- Understanding of performance optimization at the system level
- Strong debugging skills
- Strong written communication skills
Position Requirements
10+ Years
work experience
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