--- title: 'Staff Software Engineer, Speech at Rad AI' canonical: 'https://feeny.ai/job/staff-software-engineer-speech-rad-ai-united-states-52zd3fkmz4ry' type: 'job' last_seen: '2026-10-16' --- # Staff Software Engineer, Speech at Rad AI - **Company:** Rad AI - **Location:** United States - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-10-14 - **Last confirmed live:** 2026-10-16 - **Apply:** https://jobs.ashbyhq.com/radai/1379cf08-88cb-45b2-b940-e54a5523e7e7 ## Job description ## About Rad AI At Rad AI, we’re on a mission to transform healthcare with artificial intelligence. Founded by a radiologist, our AI-driven solutions are revolutionizing radiology—saving time, reducing burnout, and improving patient care. With one of the largest proprietary radiology report datasets in the world, our AI has helped uncover hundreds of new cancer diagnoses and reduced error rates in tens of millions of radiology reports by nearly 50%. Rad AI has secured over $140M in funding, including a recently oversubscribed Series C ($68M round) led by Transformation Capital, bringing our valuation to $528M. Our investors include Khosla Ventures, World Innovation Lab, Gradient Ventures, Cone Health Ventures, and others—all backing our mission to empower physicians with cutting-edge AI. Our latest advancements in generative AI are used by thousands of radiologists daily, supporting more than one-third of radiology groups and healthcare systems and nearly 50% of all medical imaging in the U.S. at partners including Cone Health, Jefferson Einstein Health, Geisinger, Guthrie Healthcare System, and Henry Ford Health. Recognized as one of the most promising healthcare AI companies by CB Insights and [AuntMinnie](https://www.radai.com/news/auntminnie-recognizes-rad-ai-omni-reporting-as-2023s-best-new-radiology-software), and ranked by [Deloitte](https://www2.deloitte.com/us/en/pages/technology-media-and-telecommunications/articles/fast500-winners.html) as the 19th fastest-growing company in North America, we are building AI-powered solutions that make a real impact. Most recently, Rad AI was named to [CNBC’s Disruptor 50](https://www.cnbc.com/2025/06/10/2025-cnbc-disruptor-50-see-the-full-list-of-companies.html) list, highlighting the innovation and momentum behind our mission. If you’re ready to shape the future of healthcare, we’d love to have you on our team! Why Join Us: We’re seeking a Staff Software Engineer with audio or multimedia experience to serve as technical lead for Speech at Rad AI. You’ll set technical direction, mentor engineers, and partner with Research Scientists, Infrastructure, and Product to build a responsive, high-performance Speech Platform for radiologists. What You’ll Be Doing: - Act as technical lead for the Speech function: set direction, drive architecture decisions, and mentor engineers - Partner with Research Scientists to take speech models from evaluation to production - Build and evolve real-time audio capture and streaming in our React/TypeScript web application - Design and operate the distributed Python backend services that power our speech platform - Contribute to the infrastructure behind our speech systems - Debug and improve production reliability and performance using modern observability tools - Work with Product, UX, and Customer Success to ship features in a high-scale, HIPAA-compliant environment Who We’re Looking For: - 7+ years of industry experience developing audio or multimedia software - Strong full-stack skills: in-depth TypeScript/React and Python - Experience with browser audio APIs (Web Audio, AudioWorklet) and real-time audio streaming - Strong experience with WebSockets and real-time client–server communication - Experience building and operating distributed systems - Comfortable debugging production issues with observability tools (e.g. Sentry, Grafana) - Proven technical leadership: mentoring engineers and driving technical direction across a team - Strong testing practices (unit and integration) and experience on distributed teams Nice to Haves: - Experience with FastAPI, SQLAlchemy, and PostgreSQL - Experience with Infrastructure as code, particularly Terraform - Experience with ASR/STT, or ML-driven products such as speech recognition or NLP, from model evaluation (e.g. word error rate) through rollout and production monitoring - Experience with spec-driven development and AI-assisted engineering tools (e.g. Claude Code) - Experience in HIPAA-compliant environments, especially FHIR and HL7 - Experience working at startups - Experience with 3rd-party integrations such as Auth0 - Experience with relational and document based databases, as well as other large scale data storage paradigms Join our world-class team as we build and deploy AI solutions that empower physicians and transform patient care—making a meaningful impact on millions of lives. Driven by our mission,  we prioritize transparency, inclusion, and close collaboration, bringing together exceptional people to revolutionize healthcare. If you're passionate about driving innovation and delivering impactful healthcare solutions, we'd love to hear from you! To learn more about what it's like to work at Rad AI, visit https://www.radai.com/life-at-rad-ai and be sure to follow us on [LinkedIn](https://www.linkedin.com/company/radai/?utm_campaign=Recruiting_2026&utm_content=recruiting-job-posting-website&utm_source=recru%5B%E2%80%A6%5Db-posting-website) to stay up to date! Location Details: For roles listed as San Francisco - Onsite: - This role will be based in our San Francisco office and we expect employees to work onsite four days per week. The remaining time may be worked remotely or onsite, depending on team and business needs. For roles listed as United States - Remote: - This role is open to candidates located anywhere in the United States. For roles listed as San Francisco - Onsite + United States - Remote: - We will prioritize candidates who can work onsite four days per week in San Francisco, while also considering remote candidates located anywhere in the United States. For US-Based Full-Time Roles, Rad AI offers a variety of benefits, including: - Comprehensive Medical, Dental, Vision & Life insurance - HSA (with employer match), FSA, & DCFSA - 401(k) - 11 Paid Company Holidays - Flexible PTO policy - Annual company-wide offsite - Periodic team offsites - Annual equipment stipend - For roles based outside the US, your recruiter can share more details At Rad AI, we value diversity and provide equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance. Please be vigilant regarding job scams. We advise all candidates to apply directly through our official careers page. Our recruiters will use email addresses with the domain @[radai.com](http://radai.com) or no-reply@ashbyhq.com. ## About Rad AI ## Company Overview - **One-liner**: Rad AI develops generative AI workflow automation software for radiologists to save time, reduce burnout, and improve patient care. - **Entity Type**: Private (Series C) - **Headquarters**: San Francisco, California, United States - **Founded**: 2018 - **Founders**: Dr. Jeff Chang and Doktor Gurson ## Core Business - **Primary industry/industries**: Healthcare AI, Radiology Workflow Automation, Generative AI. - **Target customers**: B2B; radiology groups, health systems, and hospital networks. - **Mission or purpose statement**: "Our mission is to empower physicians with AI - saving physicians time, reducing burnout, and improving the quality of patient care." [radai.com](https://www.radai.com/about) ## Products & Services - **Rad AI Impressions**: A generative AI solution that automatically drafts radiology report impressions, customized to each radiologist's language. It uses zero-click automation, saving radiologists 60+ minutes per shift and reducing up to 35% of words dictated. [radai.com](https://www.radai.com/) - **Rad AI Reporting**: An AI-powered reporting platform designed to boost radiologist productivity and minimize fatigue. [radai.com](https://www.radai.com/) - **Rad AI Continuity**: An automated patient follow-up management system that closes the loop on significant incidental findings, improving patient outcomes and reducing health system liability. [radai.com](https://www.radai.com/) ## Market Standing - **Valuation/Market Cap**: Not publicly available. Total funding raised is $151.25M. [cbinsights.com](https://www.cbinsights.com/company/rad-ai) - **Key Metric**: Total Funding: $151.25M across Series A, B, and C rounds. - **Notable Investors/Partners**: Khosla Ventures (led Series B), Transformation Capital (led Series C), ARTIS Ventures (led Series A), Gradient Ventures (Google's AI Fund, seed). [radai.com](https://www.radai.com/about) - **Growth Signals**: Fastest-growing company in generative AI for healthcare. Works with over 40% of all US health systems and 9 of the 10 largest US radiology practices. Rad AI Impressions surpassed 1 million reports per month. Ranked #19 on the Deloitte Technology Fast 500. Rad AI Reporting named "Best New Radiology Software" by AuntMinnie. [radai.com](https://www.radai.com/about) ## Competitive Advantages - **Proprietary AI Models**: Uses its own generative AI models trained specifically for radiology and healthcare, backed by one of the largest proprietary radiology report datasets in the world. [radai.com](https://www.radai.com/about) - **Deep Clinical Expertise**: Founded by a practicing radiologist (Dr. Jeff Chang, the youngest US radiologist in history), ensuring the product is built by radiologists for radiologists. [radai.com](https://www.radai.com/about) - **Zero-Click Integration**: The Impressions product requires no change to existing radiologist workflows, drastically lowering adoption friction. [radai.com](https://www.radai.com/) - **Trust and Security**: SOC 2 Type II and HIPAA+ certified with a state-of-the-art monitoring system and industry-leading de-identification pipeline. [radai.com](https://www.radai.com/) ## Strategic Focus - **Scaling AI Adoption**: Expanding the footprint of its Impressions and Reporting products within existing health system partnerships (over 40% penetration already). [radai.com](https://www.radai.com/) - **Expanding Product Suite**: Continuing to develop Rad AI Continuity (automated follow-ups) to create a comprehensive, end-to-end workflow platform. [radai.com](https://www.radai.com/) - **International Expansion**: Established its first international partnership in 2023. [radai.com](https://www.radai.com/about) - **Talent Acquisition**: Growing the team ("Radineers") to build the future of radiology AI, with a focus on engineering, product, and clinical roles. [radai.com](https://www.radai.com/careers) ## Why Work Here - **Mission-Driven Work**: Tackles one of healthcare's biggest challenges—rising patient volumes, a shrinking workforce, and increasing provider burnout—using cutting-edge generative AI. [radai.com](https://www.radai.com/life-at-rad-ai) - **Remote-First Culture**: Rad AI is a remote-first company, with Radineers distributed across the US, Canada, and Brazil. They emphasize that "work should fit your life." [radai.com](https://www.radai.com/life-at-rad-ai) - **Strong Benefits Package**: Includes comprehensive medical, dental, vision, and life insurance; flexible PTO; 11 paid company holidays; retirement plans (Pre-Tax or Roth); HSA/FSA/DCFSA (with employer match for HSA); and an annual equipment stipend. [radai.com](https://www.radai.com/life-at-rad-ai) - **Team Connection**: Despite being remote, the company fosters connection through annual company offsites, Culture Clubs, and a #gratitude channel for peer recognition. [radai.com](https://www.radai.com/life-at-rad-ai) - **High Growth Environment**: As the fastest-growing company in generative AI for healthcare, employees have the opportunity to work on impactful problems at scale with a top-tier team. [radai.com](https://www.radai.com/about) ## Sources 1. [radai.com](https://www.radai.com/) 2. [radai.com](https://www.radai.com/about) 3. [radai.com](https://www.radai.com/life-at-rad-ai) 4. [radai.com](https://www.radai.com/careers) 5. [cbinsights.com](https://www.cbinsights.com/company/rad-ai) ## Other roles at Rad AI - [Senior Data Engineer](https://feeny.ai/job/senior-data-engineer-rad-ai-san-francisco-cb20y0etq45j) — San Francisco, CA - [Staff Software Engineer, Continuity](https://feeny.ai/job/staff-software-engineer-continuity-rad-ai-san-francisco-xhg9syt6y673) — San Francisco, CA - [Regional Vice President of Sales - West](https://feeny.ai/job/regional-vice-president-of-sales-west-rad-ai-united-states-827mvcct8fav) — United States - [Senior Software Engineer - Continuity](https://feeny.ai/job/senior-software-engineer-continuity-rad-ai-united-states-mjy3k1sj8mex) — United States - [Principal Software Engineer, Full Stack - Reporting](https://feeny.ai/job/principal-software-engineer-full-stack-reporting-rad-ai-san-francisco-dqrmt8zbvj93) — San Francisco, CA - [Regional Vice President of Sales - East](https://feeny.ai/job/regional-vice-president-of-sales-east-rad-ai-united-states-nnx9e2q0g9x1) — United States - [Patient Navigation Program Advisor, Continuity](https://feeny.ai/job/patient-navigation-program-advisor-continuity-rad-ai-united-states-s77esx2k8w6q) — United States - [Senior Accountant](https://feeny.ai/job/senior-accountant-rad-ai-san-francisco-ys4v28xf8dnx) — San Francisco, CA - [Customer Success Manager](https://feeny.ai/job/customer-success-manager-rad-ai-san-francisco-mnm4mcqf58t8) — San Francisco, CA - [Senior ML Research Scientist](https://feeny.ai/job/senior-ml-research-scientist-rad-ai-san-francisco-qya265223g5c) — San Francisco, CA