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Software Engineer III, Speech Systems

Remote (United States)Posted 3 Aug 2026

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About this role

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.

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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, noise suppression. Some Python experience. Familiarity with RabbitMQ, Redis, Postgres, Confluence, Jira. You are motivated by: Hustle: You inspire others to work as hard as you.

You will find a way, no matter how hard the task is. Ownership: You have an owner/builder mentality. You care about what you deliver and own your mistakes. Proactivity: You don’t wait for someone to tell you what to do or what problems to solve. You are always looking for ways to learn and improve. Excellence: You set a high bar and surpass expectations. You hit your goals and ask for more. Humility: You are not above any task in the organization and are willing to drop what you’re doing to help a teammate.

What you can expect from us The team: Capacity team members enjoy the opportunity and benefits of working at an artificial intelligence startup, but with leaders who’ve worked at places like Apple, Ebay, Visa, Answers.com, Oracle, Boeing, and many more world-class companies. The culture at Capacity encourages innovation, independent problem solving, and collaboration as we continue to mature our product in the ever-changing world of AI.

We provide: Employer-paid health insurance (for you and your eligible dependents) Profit Interest Units/incentive compensation Unlimited vacation policy 401(k) with a company match Short term disability insurance Group life AD&D insurance A supportive, diverse workplace where we prioritize respect for each other and our clients A fun and collaborative team culture Salary range: The expected base salary for the Software Engineer III role is between $115,000 and $158,000; actual salary will be commensurate with a candidate's experience, skill and location.

Still unsure? At Capacity we value more than just hard skills. Our goal is to build a holistic and diverse team. If you aren’t sure if you qualify, just apply! We will carefully consider your application and are always grateful for any time and effort invested in Capacity. But wait, there’s more! At Capacity we believe in more than just building amazing products and helping our customers. Although we are a remote workforce, we remember the neighborhood where we started.

We still strive to elevate our community by furthering access to education and careers in the tech space. Our affiliated nonprofit, Create A Loop , brings rigorous computer science courses to underserved communities with little to no access to formal computer science education. There are many opportunities for our Capacity team members to serve and educate our Create A Loop students throughout the year. 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.

Source listing: rippling_capacity

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