LMArena

Senior Data Scientist

Technical Recruiter

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As a Senior Data Scientist at LMArena, you will explore and analyze large, complex datasets from millions of AI evaluations to uncover patterns, biases, and causal relationships in model behavior. You will formulate hypotheses, design experiments, and build statistical frameworks using Python, Pandas, NumPy, and Spark. Collaborating with ML researchers and engineers, you will improve the reliability and interpretability of AI evaluation systems, contributing to the advancement of AI.

Enterprise Engineer

<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About LMArena</h3><p class="my-4 text-gray-700 leading-relaxed">LMArena is the open platform for evaluating how AI models perform in the real world. Created by researchers from UC Berkeley’s SkyLab, our mission is to measure and advance the frontier of AI.</p><p class="my-4 text-gray-700 leading-relaxed">Millions of people use LMArena each month to explore how frontier systems perform — and we use our community’s feedback to build transparent, rigorous, and human-centered model evaluations. Leading enterprises and AI labs rely on our evaluations to understand real-world reliability, alignment, and impact. Our leaderboards are the gold standard for AI performance — trusted by leaders across the AI community and shaping the global conversation on model reliability and progress.</p><p class="my-4 text-gray-700 leading-relaxed">We’re a team of researchers, engineers, academics, and builders from places like UC Berkeley, Google, Stanford, DeepMind, and Discord. We seek truth, move fast, and value craftsmanship, curiosity, and impact over hierarchy. We’re building a company where thoughtful, curious people from all backgrounds can do their best work. Everyone on our team is a deep expert in their field — our office radiates excellence, energy, and focus.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About the Role</h3><p class="my-4 text-gray-700 leading-relaxed">As a Senior Data Scientist you’ll explore and reason about the data that powers millions of AI evaluations each week. You’ll generate and test hypotheses, identify causal relationships, and uncover insights that help us understand how frontier models behave in the real world.</p><p class="my-4 text-gray-700 leading-relaxed">You’ll collaborate with ML researchers and engineers to design experiments, analyze large-scale datasets, and build statistical frameworks that improve the reliability and interpretability of our AI evaluation systems.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">You’ll</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Explore and analyze large, complex datasets to uncover patterns, biases, and causal relationships in model behavior and system performance.</li><li class="leading-relaxed">Formulate hypotheses about data quality, evaluation outcomes, and model performance — then design experiments to validate or refute them.</li><li class="leading-relaxed">Build reproducible analysis pipelines using Python, Pandas, NumPy, and Spark to process and interrogate large-scale data.</li><li class="leading-relaxed">Partner with ML researchers and engineers to design metrics and analyses that evaluate how models perform across domains, prompts, and tasks.</li><li class="leading-relaxed">Develop causal reasoning frameworks and statistical methods that help explain why models behave as they do — not just how well they perform.</li><li class="leading-relaxed">Communicate insights clearly to technical and non-technical partners, informing both research direction and infrastructure improvements.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">You’ll have</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">6+ years of experience in data science, ML analytics, or applied research, preferably in AI, ML, or large-scale data environments.</li><li class="leading-relaxed">Strong proficiency in Python, with deep experience in Pandas, NumPy, and distributed frameworks like Spark.</li><li class="leading-relaxed">Expertise in statistical modeling, causal inference, and experimental design.</li><li class="leading-relaxed">Experience reasoning about data distributions, sample quality, and the effects of data distribution shifts.</li><li class="leading-relaxed">Strong communication skills and the ability to collaborate closely with ML researchers and engineers.</li><li class="leading-relaxed">(Bonus) Background in AI model evaluation.</li><li class="leading-relaxed">(Bonus) Experience working with LLM outputs, embeddings, or other large-scale model artifacts.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What we offer</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">The cash compensation for this position has not yet been finalized. Actual compensation will depend on job-related knowledge, skills, experience, and candidate location.</li><li class="leading-relaxed">Competitive salary and meaningful equity</li><li class="leading-relaxed">Comprehensive healthcare coverage (medical, dental, vision)</li><li class="leading-relaxed">The opportunity to work on cutting-edge AI with a small, mission-driven team</li><li class="leading-relaxed">A culture that values transparency, trust, and community impact</li></ul><p class="my-4 text-gray-700 leading-relaxed">Come help build the space where anyone can explore and help shape the future of AI.</p>

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Asobo Studio

Mid/Senior Narrative Designer (Unannounced Project)

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Asobo Studio is seeking a Mid/Senior Narrative Designer for an unannounced narrative project. This role offers the opportunity to join an experienced and ambitious team, contributing to creating exceptional and memorable interactive experiences. The designer will be responsible for staging narration within game levels, proposing, integrating, and adjusting narrative elements like dialogues, animations, and NPC interactions. This involves close collaboration with Writers, Level Designers, Level Artists, and Level Builders, ensuring the narrative experience is coherent and impactful from integration to final polish.

UI Art Designer (Flight Sim)

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Senior Game Designer (Plague Team)

<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What is Asobo Studio?</h3><p class="my-4 text-gray-700 leading-relaxed">The answer in video from David Dedeine, co-founder and Creative Director of the studio: <a href="https://fra01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DXFjvF29zUZM&data=05%7C01%7Cdmayotroger%40asobostudio.com%7Cb35a80ead0f7471cc56308db764397ad%7C4dcf0733b5c047bbb12de8c22f9d4e9f%7C0%7C0%7C638233804902304787%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=uDdkxpaS2z6eub3VooRt6PrvCPLNZYyoS7slMh16CII%3D&reserved=0" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">https://www.youtube.com/watch?v=XFjvF29zUZM</a></p><p class="my-4 text-gray-700 leading-relaxed">In short: Innovation x Immersion x Emotion</p><p class="my-4 text-gray-700 leading-relaxed">For over 20 years, we have been behind 25 games for PC and consoles, including famous licenses, original games, and innovative creations.</p><p class="my-4 text-gray-700 leading-relaxed">Today, we work with over 300 employees on Microsoft Flight Simulator, the A Plague Tale franchise, and HoloForge, the studio's XR department.</p><p class="my-4 text-gray-700 leading-relaxed">Our goal as a studio is to create exceptional, memorable interactive experiences for our players.</p><p class="my-4 text-gray-700 leading-relaxed">Pursuing this goal is our source of daily inspiration and satisfaction. It pushes us to always do better, to progress, and to surpass ourselves: this is what guides us and gives meaning to everything we do here.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Why joining us for this position is a great opportunity?</h3><p class="my-4 text-gray-700 leading-relaxed">Because it's the prospect of joining an experienced and very ambitious team where you will be encouraged to give your best and ultimately continue to develop your expertise. Our goal is to create strong emotions for our players, and you will concretely participate by ensuring the narrative experience across several levels on the studio's new narrative project.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">The team and missions</h3><p class="my-4 text-gray-700 leading-relaxed">Under the supervision of Clémentine, Lead Narrative Designer, you will evolve within a team composed of a Level Designer, a Level Artist, and a Level Builder.</p><p class="my-4 text-gray-700 leading-relaxed">Based on the Creative Direction's brief, you will be responsible for staging the narration within the levels.</p><p class="my-4 text-gray-700 leading-relaxed">You will propose, integrate, and adjust the elements composing the narrative events in the levels: dialogues, animations, NPC interaction systems... You will ensure the follow-up of the creation of these elements with the different departments (narration, design, art, animation, code...) and remain involved until debugging and final polish.</p><p class="my-4 text-gray-700 leading-relaxed">Day-to-day, this translates into constant collaboration with:</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">the Writers, to iterate on dialogues and staging in light of your integration (line length, density, content, etc.)</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">the Level Designer of your team, to pace and stage the gameplay in the different levels</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">the Level Artist and Level Builder of your team, to set up a coherent environmental narration</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">The fundamentals for succeeding in this role</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">You have a minimum of 4 years of experience in AA/AAA video game development, PC/consoles</li><li class="leading-relaxed">You master a scripting language</li><li class="leading-relaxed">You master integration in a real-time 3D game engine (proprietary, Unreal Engine, Unity...)</li><li class="leading-relaxed">You have a first experience on a narrative game</li><li class="leading-relaxed">You have a solid cinematographic and video game culture</li><li class="leading-relaxed">You are comfortable in a team and collaborating effectively with different departments</li><li class="leading-relaxed">You have excellent communication: easy contact, clarity of purpose, ability to synthesize, both written and oral (knowing when to get up from your chair to speak live rather than sending an email)</li><li class="leading-relaxed">You have good analytical skills: identify everything that makes a sequence work or not</li><li class="leading-relaxed">You are rigorous, conscientious, with a keen sense of detail</li><li class="leading-relaxed">You are a creative person and demonstrate originality in the ideas proposed while being able to question yourself/receive criticism</li><li class="leading-relaxed">You have a taste for iteration and the constant search for the best version of a sequence</li><li class="leading-relaxed">You are operationally proficient in French and English (read, written, spoken)</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Your application</h3><p class="my-4 text-gray-700 leading-relaxed">If this opportunity seems like an exciting new step for your career, we would be delighted to meet you.</p><p class="my-4 text-gray-700 leading-relaxed">We know that some people hesitate to apply when they are not convinced they meet all the requirements for a position. If you are not sure you meet all the criteria, go for it!</p><p class="my-4 text-gray-700 leading-relaxed">Share with us what you can bring to the project; we look forward to discovering your unique talents, whether for this position or for a future opportunity.</p><p class="my-4 text-gray-700 leading-relaxed">Send your CV, cover letter, and achievements (professional and personal projects) via the form below.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Next steps?</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Review of your application</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Technical test (if applicable)</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Interview with a member of the HR team (remote)</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Technical interview with the project Leads (in person, when possible, and we reimburse your round trip to Bordeaux)</li></ul><p class="my-4 text-gray-700 leading-relaxed">If you want to know us better, check out our <a href="https://fr.linkedin.com/company/asobo-studio" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">LinkedIn</a>, there's plenty to discover about life at Asobo!</p><p class="my-4 text-gray-700 leading-relaxed">See you soon!</p><p class="my-4 text-gray-700 leading-relaxed"><strong>The Asobo team</strong></p><p class="my-4 text-gray-700 leading-relaxed">Asobo Studio is an employer that subscribes to the principles of affirmative action and equal employment opportunity. All qualified individuals will be considered for employment without regard to race, color, religion, sex, sexual orientation, age, national origin, disability, gender identity, or any other non-professional factor.</p><p class="my-4 text-gray-700 leading-relaxed">We are also committed to providing reasonable accommodations for individuals with disabilities. If you need a specific accommodation for a position, please do not hesitate to mention it during your interview with the recruitment team.</p><p class="my-4 text-gray-700 leading-relaxed">We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.</p>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.