
Inworld AI provides a real-time AI runtime that enables developers to embed conversational, voice-enabled characters and agents into high-traffic consumer applications. The platform uses a C++-based…

Inworld AI provides a real-time AI runtime that enables developers to embed conversational, voice-enabled characters and agents into high-traffic consumer applications. The platform uses a C++-based…
Founded: 2021
Core product: Realtime voice and character AI platform (TTS, STT, speech-to-speech, model routing, Realtime API)
Key verticals: Consumer apps, enterprise support & sales, interactive media/games
Notable partners/customers: Xbox, Ubisoft, NVIDIA, NetEase Games, Niantic, LG, Logitech Streamlabs
Total disclosed funding: >$100M (reports of $117M–$125M)
Lightspeed Venture Partners
Realtime conversational and voice AI for interactive characters, companion apps, games, and enterprise support
2021
Software Development
>50000000
August 2023 tranche reported as >$50M and brought total disclosed funding to over $100M; post-money valuation reported at about $500M
“Backed by a syndicate including Lightspeed Venture Partners, Section 32, Kleiner Perkins, Founders Fund, Microsoft M12, Intel Capital, Bitkraft, Stanford and others”
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Why Join Inworld
Inworld is a product-oriented research lab of top AI researchers and engineers, developing best-in-class realtime multimodal models and the only realtime orchestration platform optimized for thousands of queries per second.
We’ve raised more than $125M from Lightspeed, Section 32, Kleiner Perkins, Microsoft’s M12 venture fund, Founders Fund, Meta and Stanford, among others. Our technology has powered experiences from companies such as NVIDIA, Microsoft Xbox, Niantic, Logitech Streamlabs, Wishroll, Little Umbrella and Bible Chat. We’ve also been recognized by CB Insights as one of the 100 most promising AI companies globally and have been named one of LinkedIn’s Top 10 Startups in the USA.
About the role:
Inworld recently launched a few exciting new products ( Inworld TTS , Inworld STT , Speech-to-Speech / Realtime API and Inworld Router ) for consumer AI applications, and we're looking for an ambitious and capable Staff/Principal Backend Engineer to join us and help take the Inworld AI platform even farther. Here is what you are going to work on:
As a Staff/Principal Software Engineer, you would be a significant part of one or more of these areas. The key challenges are:
Finally, almost everything here is a collaboration with our sibling ML teams, since ML and AI are critical to providing the learning and adaptability central to this vision.
Please note: This is an IC-focused role. We are looking for someone who loves direct technical contribution alongside very capable peers.
What you’ll do:
Expected experience:
Must Haves
Bonus Qualifications
The base salary range for this full-time position is C$180,000-$C260,000. In addition to base pay, total compensation includes equity and benefits. Within the range, individual pay is determined by work location, level, and additional factors, including competencies, experience, and business needs. The base pay range is subject to change and may be modified in the future.
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