Software Engineer III, Speech Systems

Who we are Our mission at Capacity is to help teams do their best work through our AI-powered support automation platform. Capacity provides everything you need to automate support and business processes in one powerful omni-channel platform. We believe that each individual voice, perspective and background brings inherent value to enhance our product, serve our customers and generate more ideas to solve complex problems. By continuing to hire talented, driven and humble teammates, we have the opportunity to see Capacity become a premier brand enterprise SaaS platform. Capacity has raised over $100 millio n dollars from over 150 investors, giving us the opportunity to make ambitious investments in our team and big bets on our future. Our total addressable market is enormous. Any company that wants to grow revenue, reduce costs, and improve customer and employee satisfaction is an opportunity for Capacity to shine. Why this job is exciting The role: We have an exciting opportunity for a Software Engineer performing advanced software development in the fields of automatic speech recognition, speech synthesis, Natural Language Processing and biometrics, working primarily in C++ and Golang. This complex, multithreaded, cloud-native software requires a strong development background in Linux, an eye for detail and the ability to work autonomously. Responsibilities: Secure Linux and Docker container development. Lead development efforts and work effectively with a small team of developers to create, improve and maintain applications that support state-of-the-art speech technology. Full life cycle ownership including requirements gathering, system design, implementation, and deployment. Ensure documentation standards are maintained for change control processes. Work with mixed C/C++ and Golang tasks, at times migrating from C++ to Golang. Design, implement and optimize real-time audio processing pipelines, including integration with ASR engines and TTS systems. Troubleshoot issues related to networking, including RTP/SIP-level audio transport in production environments. Independently interface with customer support and QA teams to drive feature identification and bug resolution. Maintain and improve the performance, stability, and efficiency of the multithreaded and multiple process software suite. Design and architect new components, features, and services, ensuring scalability, performance, and reliability. Contribute to the long-term technical roadmap and strategic planning for the platform. Provide technical leadership and mentorship to junior and mid-level engineers, fostering a culture of technical excellence. Requirements: 8+ years of relevant industry experience, with at least 2 years working directly on speech or real-time audio systems in production. Deep proficiency in C/C++ and Golang programming in professional, production environments — not primarily academic or side projects. Hands-on experience with ASR engines or TTS pipelines in production context. Highly-optimized multithreaded multicore coding skills. Understanding of DevOps, build automation and different types of testing Familiarity with Git version control, branching, pull requests and merging Demonstrated experience in at least one of the major cloud environments (i.e. AWS) Knowledge of, and ability to work with, advanced software algorithms Able to troubleshoot complex issues involving multiple interrelated systems Comfortable working across different programming languages and technologies Proven experience with developing to Secure Software Development Lifecycle practices. Proven ability to translate complex business requirements into detailed system designs and implementation plans. Preferred Qualifications: CContainer experience with prior work using Kubernetes. Direct experience with Networking, RTP, SIP/VOIP protocol implementation or debugging in production audio pipelines. Familiarity with DSP concepts: sample rates, codecs, voice activity detection, no