inworld
Open positions (16)
Product Lead - USA
inworld
Inworld is seeking a Product Lead to drive the development of real-time AI models and products for consumer-facing applications. This role is a blend of strategy and hands-on execution, requiring you to set direction, make critical prioritization decisions, and ensure the delivery of developer-loved products. You will collaborate closely with AI researchers and engineers to transform cutting-edge AI capabilities into reliable, scalable developer experiences, directly influencing the future of real-time AI deployment.
$230k - $400k
Founding AI Solutions Engineer - USA
inworld
Inworld is seeking a Founding AI Solutions Engineer to bridge the gap between sales, product, and engineering. This role is crucial for the revenue team, working directly with senior leadership and the Go-To-Market (GTM) team to guide enterprise and developer customers from initial interest to production deployment. You will be responsible for running Proofs of Concept (POCs), building prototypes, and translating complex technical concepts into clear explanations for diverse audiences. This position offers a unique opportunity to shape Inworld's scaling across various industries and define the Solutions Engineering function as an early hire.
$170k - $250k
Staff / Principal Machine Learning Engineer, Serving - Switzerland
inworld
Inworld is seeking a Staff/Principal Machine Learning Engineer to join their research lab focused on building top-ranked real-time voice models. These models power large consumer-facing AI applications across various sectors. The role involves optimizing real-time inference, developing best-in-class APIs and products, and contributing to the research and development of state-of-the-art models. The ideal candidate is a fast learner who thrives in ambiguity and can demonstrate a strong portfolio of built, broken, and understood systems. This position emphasizes impact, shipping stable code, and a deep understanding of the underlying logic behind engineering decisions.
Staff / Principal Machine Learning Engineer, Serving - UK
inworld
Inworld is seeking a Staff/Principal Machine Learning Engineer to join their research lab focused on building top-ranked real-time voice models. These models power large consumer-facing AI applications across various sectors, reaching hundreds of millions of end-users. The role involves optimizing real-time inference, developing state-of-the-art models, and creating best-in-class APIs and products. The ideal candidate thrives in ambiguity, learns quickly, and can demonstrate a strong track record of building, breaking, and understanding complex systems. This position emphasizes impact, shipping stable and reliable systems, and a deep understanding of the underlying logic behind engineering decisions.
£140k - £200k
Senior / Lead Machine Learning Engineer, Serving - Serbia
inworld
Inworld is a research lab building top-ranked real-time voice models used in large consumer-facing AI applications. We are seeking a Senior/Lead Machine Learning Engineer to optimize real-time inference and create best-in-class APIs and products. This role involves tackling complex, ambiguous problems and driving impact through shipped, stable systems. We value engineers who are comfortable with ambiguity, have a bias for action, and obsess over performance, latency, and reliability as core product features.
Senior / Lead Machine Learning Engineer, Serving - Germany
inworld
Inworld is seeking a Senior / Lead Machine Learning Engineer to join our team in Germany. We are a research lab building top-ranked real-time voice models used in large-scale AI applications across various sectors. Our work involves research, development, optimizing real-time inference, and creating best-in-class APIs and products. We are looking for fast learners with a strong ability to build, break, and understand systems, who thrive in ambiguity and can demonstrate their past work. This role emphasizes full-cycle ownership, taking models from research to production-ready serving.
Staff / Principal Machine Learning Engineer, Serving - USA
inworld
Inworld is seeking a Staff/Principal Machine Learning Engineer to join their team in Mountain View, USA. This role focuses on optimizing real-time inference for state-of-the-art AI models, which power large consumer-facing applications. The ideal candidate will have a strong background in systems programming and a proven ability to take models from research to production, ensuring reliability and performance. The company values engineers who can navigate ambiguity, drive impact, and deeply understand the underlying logic of their work, fostering a collaborative and fast-paced environment.
$270k - $500k
Staff / Principal Research Scientist - UK
inworld
Inworld is a research lab building top-ranked real-time voice models used in large consumer-facing AI applications across health, fitness, learning, therapy, companions, customer experience, and media. We are seeking a Staff/Principal Research Scientist to join our team. We are looking for individuals who learn fast, thrive in ambiguity, and can demonstrate their built, broken, and understood work, rather than a specific resume template. We value impact and shipping results, with a focus on first-principles engineering and mission ownership.
£140k - £200k
Senior / Lead Research Scientist - Serbia
inworld
Inworld is a research lab building top-ranked real-time voice models used in large consumer-facing AI applications. We focus on research and development of state-of-the-art models, optimizing real-time inference, and creating best-in-class APIs and products. We are looking for strong individuals who learn fast, thrive in ambiguity, and can demonstrate their past work, rather than specific resume templates. We value impact and shipping results, with a bias for action and first-principles thinking.
Senior / Lead Research Scientist - Germany
inworld
Inworld is a research lab building top-ranked real-time voice models used in large consumer-facing AI applications. We focus on research and development of state-of-the-art models, optimizing real-time inference, and creating best-in-class APIs and products. We are looking for strong individuals who learn fast, thrive in ambiguity, and can demonstrate their built projects, broken systems, and understanding. We value impact and shipping results, with a bias for action and first-principles thinking.
Staff / Principal Platform Engineer - USA
inworld
Inworld is seeking a Staff / Principal Platform Engineer to take end-to-end ownership of building, securing, and scaling our AI products. This role involves being the driving force behind our cloud infrastructure, partnering with engineers to deploy and evolve services across major cloud providers using tools like Terraform and ArgoCD. You will identify needs and drive initiatives forward, directly shaping how the company operates and innovates.
$280k - $350k
Staff / Principal Research Scientist - Switzerland
inworld
Inworld is a research lab building top-ranked real-time voice models used in large consumer-facing AI applications. Our work spans research and development of state-of-the-art models, optimizing real-time inference, and creating best-in-class APIs and products. We are looking for strong individuals from varied backgrounds who learn fast, thrive in ambiguity, and can demonstrate their built, broken, and understood work. We value researchers who can clarify ambiguous problems, design experiments to find answers, and treat evaluation as a critical research product. Impact is prioritized, though sharing work that advances the field is supported.
GTM Lead - USA
inworld
Inworld is seeking a pioneering North America GTM Lead to join our team and expand our sales presence. This role involves managing key prospects and customers, translating complex needs into scalable solutions, and shaping the initial customer experience. You will build trust and technical credibility by collaborating with product, engineering, and growth teams to drive deals from start to finish, ensuring seamless adoption and long-term customer impact. Your contributions will be foundational to our Go-To-Market strategy, uncovering new market opportunities and influencing how Inworld scales its solutions across various industries.
$150k - $200k
Staff / Principal Software Engineer - Canada
inworld
Inworld is seeking an ambitious and capable Staff/Principal Backend Engineer to join their team and contribute to the advancement of the Inworld AI platform. This role will involve working on exciting new products, including the Inworld Router, an intelligent routing layer for LLMs, and API-based model services for TTS/STT. You will tackle complex infrastructural projects, focusing on platformization, development tools, and system-wide billing. The position emphasizes rapid iteration, building novel platform capabilities, and optimizing for real-time performance in consumer AI applications. Collaboration with ML teams is integral to the role, as AI and ML are critical to the platform's vision.
Staff / Principal Software Engineer - USA
inworld
Inworld is seeking an ambitious and capable Staff/Principal Backend Engineer to join their research lab and contribute to the advancement of their AI platform. This role will focus on developing and scaling core systems for exciting new products, including an intelligent routing layer (Inworld Router) that supports over 200 LLMs, real-time API services, and API-based model services like TTS/STT with voice cloning. The position involves tackling complex infrastructural projects, platformization, and system-wide billing, with a strong emphasis on collaboration with ML teams to drive learning and adaptability. This is an individual contributor role focused on direct technical contribution.
$280k - $350k
Staff / Principal Research Scientist - USA
inworld
Inworld is a research lab building top-ranked real-time voice models used in large consumer-facing AI applications. Our work spans research and development of state-of-the-art models, optimizing real-time inference, and creating best-in-class APIs and products. We are looking for strong individuals from varied backgrounds who learn fast, thrive in ambiguity, and can demonstrate their built, broken, and understood work. We believe in the power of in-person collaboration to solve the hardest problems and foster a strong team culture.
$270k - $500k