How to Apply to character.ai

10 min read Last updated March 7, 2026 3 open positions
Blake Crosley
Blake Crosley Researched using publicly available information, hiring data, and ATS analysis.

Key Takeaways

  • Use Character.AI's product extensively before applying — create characters, push the boundaries of conversation, and form genuine opinions about what works and what could improve. Interviewers will notice immediately whether you're a real user or a surface-level applicant.
  • Tailor your resume to emphasize scale (millions of users, high-throughput systems) and AI-specific impact (model performance, inference optimization, safety systems) using exact terminology from Character.AI's job listings to optimize for Ashby's search and parsing.
  • If applying for any Trust & Safety-adjacent role, prepare a thoughtful perspective on the ethical challenges of deploying conversational AI at scale — Character.AI has clearly made this a strategic priority given the density of T&S roles across engineering, product, and program management.
  • Format your resume as a single-column PDF with standard section headers and no graphics, tables, or text boxes to ensure Ashby parses it accurately and completely.
  • Prepare for technically demanding interviews that mirror real Character.AI challenges — practice designing large-scale serving systems, reasoning through product trade-offs for AI features, and articulating safety frameworks with concrete examples.
  • Demonstrate startup DNA in every interaction: be direct, show that you ship quickly, take ownership broadly, and communicate clearly. Character.AI is a small team with massive reach — they need builders, not committee members.

About character.ai

Character.AI is a leading generative AI startup that enables users to create and interact with AI-powered characters capable of remarkably human-like conversation. Founded in 2021 by Noam Shazeer and Daniel De Freitas — both former Google Brain researchers who were instrumental in developing Transformer architecture and LaMDA — the company has rapidly emerged as one of the most prominent consumer-facing AI platforms in the world. Character.AI's product lets users engage in open-ended dialogue with AI personas ranging from educational tutors to fictional characters, attracting tens of millions of users globally. What sets Character.AI apart is its proprietary large language model technology, built in-house rather than relying on third-party APIs. This deep technical foundation creates a culture that blends cutting-edge AI research with consumer product obsession. The team, while lean relative to its massive user base, operates with the intensity and velocity characteristic of elite AI startups. Based in the San Francisco Bay Area, the company has secured significant venture capital backing, positioning it among the most well-funded AI startups in the current landscape. The company's hiring patterns reveal a clear dual focus: pushing the boundaries of conversational AI capabilities while simultaneously investing heavily in Trust & Safety infrastructure — a reflection of the responsibility that comes with deploying AI at consumer scale. For engineers, researchers, data scientists, and product builders who want to work on AI that millions of people actually use every day, Character.AI represents a rare opportunity to shape how humanity interacts with artificial intelligence at its earliest and most formative stage.

Application Process

  1. 1
    Explore Open Roles on Character.AI's Careers Page

    Visit character.ai/careers to browse current openings, which are organized by function. With roughly 3+ open roles at any given time, the team is intentionally small — each position carries outsized impact. Read job descriptions carefully, as Character.AI tends to write detailed, specific requirements that signal exactly what they need rather than aspirational wishlists.

  2. 2
    Submit Your Application Through Ashby

    Character.AI uses Ashby as its applicant tracking system. When you click 'Apply,' you'll be directed to an Ashby-hosted application form that typically requests your resume, LinkedIn profile, and sometimes brief written responses. Complete every field — Ashby allows recruiters to filter by completeness, and partial applications at a competitive startup like Character.AI are unlikely to advance.

  3. 3
    Initial Recruiter Screen

    If your profile matches, a recruiter or recruiting coordinator will typically reach out to schedule a 20-30 minute introductory call. At a startup of Character.AI's caliber, expect this screen to probe your genuine interest in conversational AI, your understanding of the product, and your motivation for joining a fast-moving startup versus a larger company. This is also where basic qualifications and logistics (location, visa status, availability) are confirmed.

  4. 4
    Technical or Functional Assessment

    Depending on the role, you may receive a take-home coding challenge, a systems design prompt, a portfolio review (for designers), or a case study (for product managers). For engineering roles, Character.AI commonly focuses on problems that reflect real challenges they face — large-scale inference, model optimization, or safety systems. Trust & Safety roles may involve scenario-based assessments related to content policy and risk analysis.

  5. 5
    On-Site or Virtual Interview Loop

    The core interview loop at AI startups of Character.AI's size typically involves 4-5 sessions across a half-day or full day. Expect a mix of technical deep-dives, system design discussions, and behavioral interviews. You'll likely meet with potential teammates, a hiring manager, and at least one cross-functional collaborator. Given the company's research-driven DNA, be prepared for conversations that test first-principles thinking rather than rote pattern matching.

  6. 6
    Founder or Leadership Conversation

    Many applicants at high-growth AI startups report a final conversation with a senior leader or co-founder. At Character.AI, this stage typically evaluates cultural alignment, intellectual curiosity, and your long-term vision for AI. This isn't a formality — it's a genuine assessment of whether you share the company's ambition and can thrive in a high-autonomy, high-accountability environment.

  7. 7
    Offer and Negotiation

    Character.AI, as a well-funded startup, typically extends offers that include competitive base salary, equity (likely in the form of stock options or RSUs), and benefits. Given the company's prominent position in the AI startup ecosystem, offers tend to reflect the competitiveness of the market for top AI talent. Expect the process from application to offer to move relatively quickly — elite AI startups know they're competing against other top-tier companies for the same candidates.

Resume Tips for character.ai

critical

Lead with AI and ML Impact Metrics

Character.AI is building one of the most ambitious consumer AI products in the world. Your resume must immediately signal that you've worked at the intersection of AI/ML and real-world impact. Quantify everything: model latency improvements, inference cost reductions, user engagement lifts from ML-powered features, or safety system accuracy rates. A line like 'Reduced LLM inference latency by 40% while maintaining output quality at 99th percentile' speaks directly to Character.AI's technical challenges.

critical

Highlight Consumer-Scale Systems Experience

Character.AI serves tens of millions of users. If you've built, maintained, or optimized systems at consumer scale, make this unmistakable on your resume. Mention specific throughput numbers, concurrent user counts, or database sizes. Even if your exact domain wasn't AI, demonstrating that you've operated at scale — and understand the engineering trade-offs that come with it — is highly relevant to almost every technical role on their team.

critical

Demonstrate Trust & Safety Expertise Explicitly

A striking number of Character.AI's open roles — from engineering to product management to program management — center on Trust & Safety. If you have experience with content moderation systems, AI safety frameworks, policy development, adversarial testing, or responsible AI deployment, create a dedicated section or prominently feature this work. Use the specific terminology from their job listings: 'content policy,' 'risk analysis,' 'safety classifiers,' 'user protection mechanisms.'

recommended

Use Clean, Ashby-Compatible Formatting

Ashby's parser handles standard resume formats well but can struggle with heavily designed layouts, multi-column formats, or embedded graphics. Use a single-column layout with clearly labeled section headers (Experience, Education, Skills, Projects). Stick to standard fonts, avoid text boxes, and save as PDF. Ashby renders parsed content for recruiters alongside your original document, so ensuring clean parsing means your information appears correctly in both views.

recommended

Mirror Character.AI's Technical Stack and Domain Language

Scan their job postings for specific technologies, frameworks, and terminology, then reflect these naturally in your resume. Common terms across Character.AI listings include: Python, distributed systems, large language models, Transformer architecture, GPU optimization, Kubernetes, real-time inference, A/B testing, and growth experimentation. If you have experience with these, use the exact phrasing from their listings — Ashby's search functionality and recruiter keyword searches will surface your profile more readily.

recommended

Showcase Startup Velocity and Ownership

Character.AI operates with a lean team relative to its impact. Your resume should demonstrate that you're someone who owns outcomes end-to-end, ships quickly, and doesn't wait for direction. Use active language: 'Built,' 'Shipped,' 'Led,' 'Owned.' Highlight situations where you wore multiple hats, launched under tight timelines, or made architectural decisions with limited data. This signals you'll thrive in their high-autonomy environment.

nice_to_have

Include Relevant Research or Side Projects in AI

Given Character.AI's research origins, candidates who demonstrate genuine intellectual passion for AI stand out. If you've published papers, contributed to open-source ML projects, built AI-powered side projects, or participated in Kaggle competitions, include a brief section for this. A personal project building a conversational agent or fine-tuning an LLM may carry more weight here than at a traditional tech company.

nice_to_have

Keep It Concise — Two Pages Maximum

Startup hiring teams, especially at Character.AI's size, review applications with an efficiency-first mindset. Aim for one page if you have under 8 years of experience, two pages maximum for senior and staff-level roles. Every line should either demonstrate technical depth, scale experience, or cultural fit. Remove generic filler like 'proficient in Microsoft Office' — it dilutes the signal of your AI and systems expertise.

ATS System: Ashby

Ashby is a modern, all-in-one recruiting platform favored by high-growth startups like Character.AI for its powerful analytics, structured hiring workflows, and clean candidate experience. It parses resumes to extract structured data — work history, skills, education — and presents this alongside your original document to recruiters. Ashby also enables recruiters to search candidate pools using keyword queries and filters, making ATS optimization genuinely important for getting surfaced.

  • Use a single-column PDF format — Ashby's parser handles this most reliably, avoiding the misalignment issues that multi-column or designed resumes cause
  • Include exact keywords from Character.AI's job descriptions in your experience bullets (e.g., 'large language models,' 'real-time inference,' 'trust and safety') since Ashby's search indexes these terms
  • Fill out every field in the Ashby application form completely — recruiters can filter by application completeness, and a startup receiving hundreds of applications will use every filter available
  • Use standard section headers like 'Experience,' 'Education,' 'Skills,' and 'Projects' — Ashby maps these to structured fields, and non-standard headers may cause parsing errors
  • Avoid headers, footers, text boxes, tables, and images within your resume file — Ashby's parser processes linear text and can skip or misread content in these containers
  • If the application includes custom questions or short-answer fields, invest real effort in these — Ashby makes them highly visible to reviewers and they're often used as screening criteria at startups

Complete Ashby Resume Guide →

Interview Culture

Interviewing at Character.AI reflects the company's identity: technically rigorous, intellectually ambitious, and refreshingly direct.

Founded by researchers who helped create some of the foundational technologies behind modern AI, the company attracts candidates who think deeply about hard problems — and the interview process is designed to find exactly those people. For engineering roles (which comprise the majority of open positions), expect a process that emphasizes systems design and real-world problem-solving over LeetCode-style algorithmic puzzles. You'll likely face questions about designing large-scale inference systems, optimizing model serving pipelines, or building safety mechanisms that operate at millions of requests per second. The problems are grounded in Character.AI's actual challenges — interviewers want to see how you reason through trade-offs when latency, cost, safety, and user experience are all in tension. Product and design interviews at AI-native companies like Character.AI tend to be deeply technical even for non-engineering roles. Product managers should be prepared to discuss AI product strategy, metrics frameworks for conversational AI engagement, and the ethical dimensions of deploying AI characters at scale. Designers can expect to walk through their portfolio with a focus on interaction design for novel AI interfaces. Trust & Safety roles — which are prominently featured across Character.AI's listings — will likely involve scenario-based discussions: How would you handle a specific content policy edge case? How do you balance user expression with safety at scale? What frameworks do you use for risk assessment? Culturally, interviewers at Character.AI are reportedly looking for signals of intellectual curiosity, low ego, and high agency. This is a team of approximately 100-200 people building a product used by tens of millions — there's no room for bureaucracy or hand-holding. Demonstrate that you're someone who runs toward ambiguity, ships with urgency, and genuinely cares about the responsible development of AI. Prepare to discuss not just what you've built, but why you made the decisions you did and what you'd do differently. Authenticity and depth of thinking matter more than polished presentations.

What character.ai Looks For

  • Deep technical expertise in AI/ML systems — particularly in areas like LLM inference, model optimization, distributed systems, or NLP, depending on the role
  • Consumer product sensibility — understanding of what makes millions of users engage, return, and trust an AI product, with data-driven instincts for growth and activation
  • Trust & Safety commitment — genuine passion for building safe AI systems and thoughtful approaches to content policy, harm prevention, and responsible AI deployment
  • Startup-grade ownership and velocity — a track record of shipping fast, making decisions with incomplete information, and owning outcomes end-to-end without requiring extensive management
  • Intellectual curiosity about AI's future — demonstrated through research interests, side projects, publications, or simply the ability to articulate a compelling vision for where conversational AI is heading
  • Collaborative, low-ego communication style — the ability to work effectively across functions (engineering, research, product, policy) in a flat organizational structure where ideas win on merit
  • Comfort with ambiguity and rapid iteration — willingness to build in uncharted territory where there's no established playbook for AI-first product development at consumer scale

Frequently Asked Questions

How long does the Character.AI hiring process typically take from application to offer?
Based on patterns common at AI startups of Character.AI's size and funding stage, the typical timeline from application to offer is approximately 2-4 weeks for candidates who move through the process continuously. The initial recruiter screen usually happens within 1-2 weeks of applying if your profile is a strong match. However, given the competitive nature of AI talent, Character.AI may move faster for exceptional candidates — some applicants at similar companies report receiving offers within 10-14 days. The pace also depends on the urgency of the role and your availability for interviews.
Does Character.AI require a cover letter with applications?
Character.AI's Ashby application forms don't always include a dedicated cover letter field, but when they do, you should absolutely complete it. Even when optional, a brief, specific cover letter can differentiate you — especially if you articulate why conversational AI matters to you personally and what specifically draws you to Character.AI over other AI companies. Avoid generic cover letters. Instead, reference specific product observations ('I noticed that Character.AI's characters handle context switching in a way that feels remarkably natural — I'd love to work on making that even better at scale') or technical challenges you're excited to tackle.
What experience level does Character.AI typically look for?
Character.AI's active listings span a range from mid-level Software Engineer roles to Staff-level positions, suggesting they hire across experience levels but skew toward experienced professionals. Roles with 'Staff' in the title typically require 8+ years of relevant experience and deep domain expertise. Standard engineering and product roles likely target candidates with 3-7 years of experience. That said, Character.AI — like many elite AI startups — values demonstrated ability over years on a resume. If you've built impressive AI systems, contributed to significant open-source projects, or published relevant research, your candidacy will be evaluated on impact rather than tenure alone.
Does Character.AI offer remote work options?
Based on their job listings and industry patterns, Character.AI appears to be primarily based in the San Francisco Bay Area, and many roles likely require on-site or hybrid presence. Some AI startups of this caliber have specific remote-friendly roles, particularly in areas like Trust & Safety or program management, but core engineering positions at companies building proprietary AI systems typically involve significant in-person collaboration. Check each specific listing on their careers page for location requirements, and be prepared to discuss your flexibility during the recruiter screen. If relocation is required, it's worth noting that competitive AI startups commonly offer relocation assistance.
How should I prepare for a technical interview at Character.AI?
Preparation should focus on the intersection of systems engineering and AI — not pure algorithmic puzzles. Study large-scale distributed systems design with an AI lens: How would you serve a language model to millions of concurrent users? How would you design a safety classification pipeline that operates at real-time latency? Review key concepts in model serving, GPU optimization, caching strategies for conversational context, and the fundamentals of Transformer architecture. For ML-specific roles, be ready to discuss training pipelines, evaluation methodologies, and the trade-offs between model size, quality, and inference cost. Most importantly, use Character.AI's product extensively and come prepared to discuss technical hypotheses about how their system works.
What makes a strong candidate for Character.AI's Trust & Safety roles?
Character.AI is investing heavily in Trust & Safety across multiple functions — engineering, product management, program management, and data science. Strong candidates combine technical understanding of how AI systems work with deep expertise in content policy, risk frameworks, and user safety at scale. Experience building automated moderation systems, defining content policies for AI-generated content, conducting adversarial testing of LLMs, or managing cross-functional safety initiatives is highly relevant. Beyond technical skills, these roles require sound judgment in ambiguous situations and the ability to balance user freedom with safety obligations — prepare concrete examples of how you've navigated these tensions in previous roles.
How can I make my application stand out in Character.AI's Ashby system?
Three specific strategies will help: First, mirror the exact language from the job description in your resume — Ashby's keyword search will surface your profile when recruiters look for 'large language models,' 'real-time inference,' or 'growth experimentation.' Second, complete every field in the application thoroughly, including optional questions — Ashby lets recruiters filter by completeness, and thorough responses signal genuine interest. Third, if there's a section for links or additional materials, include a link to relevant work: a GitHub repository with an ML project, a published paper, a case study, or even a well-crafted personal website. Ashby makes these links easily accessible to reviewers, and at a startup where every hire matters enormously, going the extra mile gets noticed.
Should I apply to multiple roles at Character.AI simultaneously?
Apply to the one role that most closely matches your skills and experience. Ashby tracks applications per candidate, and applying to multiple roles simultaneously can signal to recruiters that you're unsure of your fit or are applying broadly rather than strategically. If you genuinely qualify for two closely related roles (for example, 'Software Engineer, Backend' and 'Software Engineer, Safety'), choose the one where your experience is strongest and mention your interest in the adjacent role during your recruiter screen. Character.AI's team is small enough that internal mobility and cross-functional movement likely happen naturally once you're on the team.
What is Character.AI's company culture like day-to-day?
Character.AI's culture reflects its founding DNA: a research-driven, technically elite team operating with startup speed and ambition. Reports from employees and public information suggest a high-autonomy environment where individual contributors are expected to drive significant impact with minimal oversight. The company's small team size relative to its massive user base means that every person's work is visible and consequential. Expect fast iteration cycles, a bias toward shipping, and deep technical conversations as a norm rather than an exception. The strong emphasis on Trust & Safety hiring also suggests a culture that takes responsible AI development seriously — not as a compliance checkbox, but as a core product value.

Sample Open Positions

Check Your Resume Before Applying → View 3 open positions at character.ai

Related Resources

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Sources

  1. Character.AI Careers Page — Character.AI
  2. Character.AI Company Overview and Product Information — Character.AI
  3. Ashby ATS Platform — How It Works for Candidates — Ashby
  4. Character.AI Glassdoor Reviews and Interview Insights — Glassdoor