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Staff / Principal Research Scientist - Switzerland

Inworld AISwitzerlandScience
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Posted
17 Jan 2026
Status
Open · checked 9d ago

About this role

The Staff / Principal Research Scientist position at Inworld AI is a full-time remote opportunity based in Switzerland, well-suited for adaptive researchers and builders passionate about real-time artificial intelligence. This role involves tackling ambiguous challenges, leading full-stack research, and driving high-impact generative AI solutions from inception to production.

Role Overview

Inworld AI seeks a Staff / Principal Research Scientist to join the science department on a full-time permanent basis. Working remotely from Switzerland, the professional will collaborate closely with United States-based leadership and engineering teams. This position focuses on pushing the boundaries of real-time AI models, large language models, and agentic systems. The organization operates with a flat structure and fast iterations, empowering scientists to define questions, execute experiments, and ship production-ready results.

Key Responsibilities

Frame research questions, execute experiments, and see projects through from conception to deployment.
Investigate foundational model topics, including training, scaling, reinforcement learning, and reward modeling.
Build and refine evaluation loops, benchmarks, quality measurement frameworks, and LLM-as-judge systems.
Explore frontier topics such as multimodal models, agentic systems, tool use, test-time compute, and world models.
Collaborate daily with multidisciplinary teams across international locations using professional English fluency.
Maintain a bias for practical impact by ensuring research transitions into functional production environments.

Requirements

Professional fluency in written and spoken English for daily cross-border collaboration.
Candidates must already possess the legal right to work in Switzerland, as visa sponsorship is not available locally for this position.
Comfort operating in highly ambiguous environments without a fixed roadmap.
Demonstrated ability to question standard approaches and understand the fundamental logic behind core technical decisions.
Proven track record of building, shipping, or contributing significantly to advanced AI systems.

Skills and Tools

Large Language Models (LLM)
Natural Language Processing (NLP)
Reinforcement Learning (RL) and reward modeling
Foundation model training and scaling architectures
Evaluation loops, benchmarking, and failure analysis methodologies
Multimodal models, agents, tool use, and test-time compute frameworks

About the Company

Inworld AI functions as a research lab and inference provider specializing in real-time artificial intelligence for consumer-facing applications. The organization builds first-party speech models, serves large language models, and manages inference infrastructure for high-volume workloads supporting hundreds of millions of users daily. Backed by prominent investors such as Lightspeed Venture Partners, Section 32, Kleiner Perkins, Microsoft’s M12 venture fund, Founders Fund, Meta, and Stanford, Inworld technology powers interactive experiences for global brands including NVIDIA, Microsoft Xbox, Niantic, and Logitech Streamlabs. Recognized by CB Insights as a top global AI startup and featured on LinkedIn’s Top Startups list, Inworld champions an impact-driven culture with minimal process theater.

How to Apply

Interested candidates should visit the official Inworld AI careers page to submit an application and review privacy policies.

Skills and tech stack

Questions candidates ask

Where is the Staff / Principal Research Scientist position located?

The role is remote within Switzerland, with employment managed via an Employer of Record.

What language proficiency is required for this role?

Professional fluency in written and spoken English is required due to daily collaboration with United States-based teams.

Is visa sponsorship available for applicants in Switzerland?

No, visa sponsorship is not available for this role, and candidates must already possess the legal right to work in Switzerland.

What specific technical areas does the research involve?

Research topics cover foundation models, LLMs, NLP, reinforcement learning, evaluation loops, multimodal models, agents, and test-time compute.

Is future relocation to the United States possible?

For candidates interested in relocating to the San Francisco Bay Area later, full United States visa and relocation support may be available depending on business needs and legal work authorization requirements.

Ready to apply?

The application is on the official Inworld AI careers page.

Apply on company site