Staff Software Engineer (Windows App)

Your Experience at a Glance We’re hiring a Staff Software Engineer – Windows App for SAMMY, a cutting-edge AI company redefining global communication through real-time speech technology. You’ll take the lead in developing SAMMY’s flagship Windows desktop app, working at the intersection of C++, Flutter, and RESTful APIs, and contributing to a product trusted by global Fortune 100 companies. This is a unique opportunity to work in a high-growth team and shape the future of human communication through technology.

About SAMMY (Client Code Name): SAMMY is the world’s first real-time speech transformation platform, enabling accent modulation, background noise removal, and clarity enhancement in real-time. Backed by over $100 million in funding from leading investors such as Google Ventures, Insight Partners, and General Catalyst, SAMMY’s technology is already deployed across some of the world’s largest enterprises and contact centres. Founded in 2020, SAMMY is a 200-person team pushing the boundaries of Sonic AI innovation.

Role Overview – Staff Software Engineer (Windows App)

As a Staff Engineer, you’ll own core components across the Windows desktop app, C++ SDK, and Flutter-based frontend, collaborating across teams to build scalable, high-performance solutions. You’ll help drive system design, product delivery, and mentoring as part of a fast-growing product organisation.

Key Responsibilities

• Architect and implement C++ SDK modules and Flutter-based desktop interfaces
• Integrate frontend and SDK with backend systems using RESTful APIs
• Optimise performance and resource usage for Windows environments
• Contribute to installer logic, UAC handling, and Windows-native packaging
• Debug complex issues across the stack (frontend, backend, OS level)
• Write robust unit/integration tests and ensure CI/CD readiness
• Collaborate in sprint planning, reviews, and team design sessions
• Mentor junior engineers and guide best practices for modular, testable code
• Document systems and processes for knowledge continuity

Required Skills & Experience

• 8–12 years of professional software development experience
• Strong proficiency in C++, including Windows SDK or similar SDK development
• Production experience with Flutter for desktop UI
• Experience integrating with REST APIs and working with PostgreSQL, Clickhouse, or other data systems
• Familiarity with Windows dev tools like Visual Studio, MSBuild
• Hands-on experience with Windows Installer technologies (MSI, Inno Setup)
• Understanding of User Account Control (UAC) and Windows privilege models
• Git-based workflows and agile collaboration. Preferred Qualifications
• Familiarity with Win32/COM APIs or Windows-native integration points
• Experience with performance profiling and optimisation
• Contributions to open-source projects (C++ or Flutter preferred)
• Prior work in voice/speech applications or real-time systems
• Knowledge of CI/CD for desktop builds and deployments

Why Join SAMMY?

Work at the cutting edge of AI and speech transformation. Join a high-velocity team solving real-world communication problems. Build products used by some of the largest companies in the world.d Be part of a visionary company with top-tier funding and rapid global adoption.n Enjoy a culture of engineering excellence, learning, and impact

About the Employment Model – Direct Employment: You will be hired as a full-time employee of SAMMY, working as part of their internal product and engineering organisation. Straatix is supporting the hiring process, but all performance, compensation, and career growth will be managed directly by SAMMY.