Inworld AI · 1 day ago
Staff Backend Engineer, Speech AI
Mountain View, CA
Full-time
Onsite
Senior Level, Lead/Staff
$200K/yr - $300K/yr
5+ years expInworld AI is a company focused on extending the benefits of AI to everyday applications, particularly in conversational AI. They are seeking a Staff Backend Engineer to design and build the critical infrastructure that supports their voice production models, ensuring low-latency and reliable services for real-time interactive experiences.
Artificial Intelligence (AI)Developer APIsDeveloper ToolsGenerative AIMachine LearningMobile Apps
Hiring Manager
Kyla Salac
Responsibilities
Own features end-to-end, from collaborating on the initial concept with product managers to shipping and monitoring the final product
Translate product requirements and user needs into robust, scalable, and maintainable backend services and APIs
Design, build, and launch user-facing APIs and backend systems in Python, Java/Kotlin, and Go that deliver seamless voice experiences
Partner closely with Product Managers and ML engineers to define scope, identify technical trade-offs, and drive the product roadmap forward
Write high-quality, production-grade code that powers real-time audio processing, model inference, and complex data pipelines
Champion engineering and product excellence, with a focus on delivering tangible value to our users quickly and iteratively
Qualification
Required
A BA/BS degree in Computer Science or a related technical field, or equivalent practical experience
5+ years of professional experience in software development, with a proven track record of shipping high-quality, user-facing products
Strong product sense and an ability to think critically about user experience and business impact
Demonstrated experience in building and scaling production-grade backend APIs and distributed systems
Strong proficiency in Python and professional experience with one or more of the following: Java/Kotlin, or Go
Hands-on experience with containerization (Docker) and deploying services on orchestration platforms like Kubernetes
A solid foundation in data structures, algorithms, and system design
Preferred
A customer-first mindset and a passion for creating intuitive and powerful developer or end-user experiences
Experience building backend services for speech processing (TTS/STT) or other real-time ML applications
The ability to thrive in a fast-paced, collaborative environment and a bias for action and rapid iteration
Familiarity with major cloud platforms like GCP or AWS
Benefits
Relocation assistance
Bonus
Equity
Benefits
Company
Inworld AI
Inworld AI is an AI runtime powering massive consumer applications.
51-200 employees
H1B Sponsorship
Inworld AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2023 (2)
Funding
Current Stage
Growth StageTotal Funding
$123.2MKey Investors
Lightspeed Venture PartnersComcast NBCUniversal LIFT LabsDisney Accelerator
2023-08-02Series A· $56M
2023-06-27Non Equity Assistance
2022-08-23Series A· $50M
Leadership Team
Michael Ermolenko
Chief Technology Officer
Ilya Gelfenbeyn
Executive Chairman
Recent News
2025-12-18
Company data provided by crunchbase