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Character jobs

character.ai isn’t just another ai chat appβ€”it’s an infinite playground for your imagination, creativity, and exploration.

πŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native Β· AI application🌍 United States🚩 Founded 2021πŸ’° Funding: Series A

10 open roles at Character

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Character

Staff Data Scientist, Monetization

πŸ“… Apr 30
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Lead data science for consumer monetization across subscriptions, advertising, and virtual currencies, defining success metrics and experiments and translating behavioral and economic data into product decisions.

Data ScienceConsumer ProductsMonetizationSubscriptions
Character

Technical Program Manager, AI Infrastructure

πŸ“… Apr 20
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Lead end-to-end AI infrastructure programs across training, evaluation, and inference, aligning engineering, research, and product teams on roadmaps, execution, reliability, and scalable systems.

Technical Program ManagementAI InfrastructureTraining PipelinesData Systems
Character

Software Engineer, Backend/Applied ML (Safety & Integrity)

πŸ“… Jan 7
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Design and scale backend systems and applied machine learning solutions that detect, prevent, and mitigate integrity risks, strengthening safety across human-to-AI interactions.

Backend SystemsDistributed SystemsPythonGo
Character

Software Engineer, Applied ML (Discovery, Recommendation & Search)

πŸ“… Dec 18, 2025
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Build and optimize applied ML models, infrastructure, and backend systems for discovery, recommendation, ranking, and search, spanning data pipelines, model training, and production serving.

Applied Machine LearningRecommendation SystemsRankingSearch
Character

Software Engineer, Backend

πŸ“… Dec 8, 2025
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Build and maintain scalable backend services and secure APIs, improving performance, reliability, and availability while collaborating with product, data, and frontend teams.

Backend DevelopmentPythonJavaGo
Character

Software Engineer, Monetization

πŸ“… Oct 3, 2025
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Build and improve mobile and web monetization features spanning payments, subscriptions, virtual currency, and in-app purchases, creating trustworthy user experiences and driving measurable engagement and revenue outcomes.

TypeScriptReactReact NativeTailwind
Character

Software Engineer, Core Product

πŸ“… Oct 3, 2025
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Build polished, high-performance interfaces for consumer products, shaping user experiences and product features while establishing consistent design systems in close collaboration with design and engineering teams.

TypeScriptReactReact NativeTailwind
Character

Research Engineer, AI Safety & Alignment

πŸ“… Oct 3, 2025
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Develop and evaluate safety and alignment methods for large language models, uncover vulnerabilities through adversarial testing, and translate research into scalable product solutions.

AI SafetyAI AlignmentLarge Language ModelsMachine Learning
Character

Machine Learning Infrastructure Engineer

πŸ“… Apr 24, 2025
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Design and maintain machine learning training and serving infrastructure, helping research and product teams diagnose cluster issues, manage experiments, monitor deployments, and maximize GPU utilization.

Machine Learning InfrastructureML Training And ServingCluster DiagnosticsHardware Failure Diagnosis
Character

Research Engineer, Post-Training (All Industry Levels)

πŸ“… Jan 24, 2024
CharacterπŸ‘₯ 51 - 200 employees🏒 Computer Software🧠 AI-native

Develop post-training methods for language models, improving alignment, data efficiency, real-world quality, and serving performance to shape conversational experiences for millions of users.

Post-trainingLanguage ModelsAlignment AlgorithmsLoss Functions

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