Senior Software Engineer C++

Salary: $120,000 - 150,000 per year Requirements: We are looking for a Senior Software Engineer C++ with 8+ years of software development experience. We prefer a bachelors or masters degree in Computer Science, Mathematics, Physics, or a related discipline, or equivalent experience building numerical modeling software. We need strong proficiency in modern C++ (17+). We need experience developing and maintaining Windows desktop applications using frameworks such as WinForms, MFC, Win32, Qt, or similar tools. We need a solid background in numerical methods, algorithms, and scientific or engineering computing. We need hands-on experience with Git, branching approaches, CI/CD pipelines, and modern software engineering practices. We need experience with unit testing frameworks such as GoogleTest, Catch2, or similar, along with a testable coding mindset. We need the ability to communicate complex technical ideas clearly to both technical and non-technical stakeholders. We need experience with .NET and C#. We require current authorization to work in the U.S. on a full-time basis, as we are unable to sponsor or transfer employment visas. We prefer familiarity with parallel computing or GPU programming such as CUDA, OpenCL, or DirectX. We prefer a background in hydrologic modeling and water resources engineering. We prefer strong debugging skills using Visual Studio, VS Code, profilers, memory analyzers, and related diagnostic tools. We prefer experience creating internal technical documentation or helping shape architecture roadmaps. Responsibilities: We will expect you to architect and improve high-performance C++ simulations that represent real-world hydrology. You will help develop and refine our Windows desktop applications and cloud-based SaaS platform. You will address complex technical challenges involving computational efficiency, numerical stability, and large-scale data. You will work closely with water resources engineers to turn scientific concepts into production code. You will participate in code reviews, technical documentation, unit testing, and ongoing process improvements. Technologies: Architect C# CI/CD Cloud CUDA Git Qt Visual Studio VS Code Windows ASP.NET C++ Flow GitHub More: We are Streamline Technologies Inc., a software development firm in the Orlando area of Central Florida focused on water resources engineering applications. We build innovative solutions for stormwater and flood forecasting, including our widely used hydrodynamic stormwater model, StormWise (formerly ICPR®). Our software combines complex mathematical modeling with a geospatial graphical interface using aerial imagery, thematic polygon map layers, and terrain surfaces. We offer a collaborative, respectful workplace with a strong emphasis on accountability, safety, integrity, quality service, business success, and our people. This is an in-person role based in our Winter Springs, FL office, with benefits that include a 401(k) 6% match, health, dental, vision, HSA, paid time off, professional development assistance, referral rewards, and tuition reimbursement. last updated 38 week of 2026