Senior Software Engineer C++

WGI•Winter Springs, FL

9d•Onsite

About The Position

We have an opening for a Senior Software Engineer C++ with a m inimum of 8 years of software development experience. specializing in numerical algorithms and numerical modeling programming to work out of the Winter Spring, FL office. The successful candidate will be part of our Software Development Team and will assist in maintaining, enhancing, and creating new features for our cloud-based SaaS platform and desktop application, working closely with our Software Engineers and the Water Resources Engineering Team. The candidate's initial primary focus will be learning and supporting the architecture of the existing codebase. Ultimately, the candidate will be optimizing the existing system and adding new features. Streamline Technologies Inc. is a software development firm located in the Orlando area of Central Florida specializing in water resources engineering applications. Our philosophy and reputation are built on providing innovative software solutions such as the widely used hydrodynamic stormwater model, StormWise (formerly ICPR ®). Our stormwater and flood forecasting models include complex mathematical models that simulate the rainfall-runoff process, drainage systems, flooding and flood forecasting, groundwater flow, water quality impacts, and green stormwater infrastructure. Our applications center around a geospatial graphical interface that utilizes aerial imagery, thematic-based polygon map layers, and terrain surfaces. Streamline Technologies offers a complete Benefits package including Medical, Dental, Vision, LTD & STD, Life Insurance, 401k with match, PTO, Holidays, HSA with company contribution, Pet insurance, and an Employee assistance program. #LI-onsite

Requirements

A Bachelor’s or Master’s degree in Computer Science, Mathematics, Physics, a related field, or demonstrated experience in building numerical modeling software, preferably in the field of fluid dynamics as it applies to stormwater modeling.
Minimum 8 years of software development experience.
Strong proficiency in modern C++ (17+)
Proficiency in developing and maintaining Windows desktop applications (e.g., WinForms, MFC, Win32, Qt, or similar frameworks)
Solid foundation in numerical methods, algorithms, and scientific or engineering computing
Experience with Git, branching strategies, CI/CD pipelines, and modern software engineering best practices
Practical experience with unit testing frameworks (GoogleTest, Catch2, or similar) and writing testable code

Nice To Haves

Experience with .NET C#
Experience with parallel computing or GPU programming (CUDA, OpenCL, DirectX)
Background in hydrologic modeling and water resource engineering
Strong debugging skills using Visual Studio, VS Code, profilers, memory analyzers, and diagnostic tools
Experience writing internal technical documentation or contributing to architecture roadmaps

Responsibilities

Architect and optimize high-performance C++ simulations that model real-world hydrology
Help evolve our Windows desktop applications and cloud-based SaaS offering
Tackle hard problems: computational efficiency, numerical stability, large-scale data
Collaborate directly with water resource engineers to translate science into code
Participate in code reviews, technical documentation, unit testing, and continuous improvement of engineering practices
Mentor developers and shape the technical direction of our platform