Education Requirements:

• Master's Degree

Experience Requirements:

• > 1 year

Other Requirements:

• Serious Rust background

• Experience with at least one of: Ocaml/Haskell/Scala/C++/C

• Be into open source

• Be interested in cryptography

• Have good communication skills

Responsibilities:

• Implement cryptographic algorithms

• Make the library fast, reliable, and polished

• Design efficient and user-friendly APIs

• Improve the performance of the library with hardware or software optimizations

• Benchmark and test the various cryptographic operations

Education Requirements:

• Bachelor's degree in computer science, software engineering, or related field

Experience Requirements:

• > 5 years

Other Requirements:

• Willingness to learn about FHE, ZK, and MPC

Responsibilities:

• Work with cryptographers and engineers to design, implement, and maintain our TKMS

• Help maintain a high level of security, including conducting code reviews

• Stay up-to-date with the latest developments in secure coding practices

• Work with DevOps to deploy our solution to production

• Create and maintain documentation

Education Requirements:

• Bachelor's degree in computer science, software engineering, or related field

Experience Requirements:

• > 3 years

Other Requirements:

• Experience in optimization and automation for customer support systems

• Experience working with blockchains

• Experience with threshold protocols (MPC)

• Experience writing code in Rust

• Experience using AWS

Responsibilities:

• Follow up on technical support queries and provide prompt feedback

• Track and prioritize customer queries and issues, and escalate to the team as needed

• Contribute to bug fixes and features in the code base

• Establish solid troubleshooting processes

• Work with team leaders to incorporate user feedback into roadmaps

Benefits:

• Competitive base salary

• Equity

• Benefits

Education Requirements:

• Bachelor's degree in Computer Science or related field

Experience Requirements:

• 3+ years of experience with deep learning models in production

• 2+ years of experience in a customer-facing role

Other Requirements:

• Designed novel and innovative solutions for technical platforms in a developing business area

• Strong technical aptitude to partner with engineers and proficiency in software engineering

• Ability to navigate and execute amidst ambiguity, and to flex into different domains based on the business problem at hand, finding simple, easy-to-understand solutions

• Excitement for engaging in cross-organizational collaboration, working through trade-offs, and balancing competing priorities

• A love of teaching, mentoring, and helping others succeed

• Excellent communication and interpersonal skills, able to convey complicated topics in easily understandable terms to a diverse set of external and internal stakeholders

Responsibilities:

• Act as the primary technical advisor for prospective customers evaluating LLM and finetuning projects on Lamini platform

• Partner closely with account executives to understand customer requirements

• Drive technical decision making by advising on optimal setup, architecture, and integration of Claude into the customer's existing infrastructure

• Support customer onboarding by working cross-functionally to ensure successful ramp and adoption

• Travel occasionally to customer sites for workshops, implementation support, and building relationships

Benefits:

• Competitive base salary

• Equity

• Benefits

Education Requirements:

• Bachelor’s degree in Computer Science, IT, Electrical Engineering, or a related field, or equivalent hands-on experience

Experience Requirements:

• 2+ years of experience in a data center environment

Responsibilities:

• Oversee day-to-day operations of our GPU cluster

• Assist with the deployment, configuration, and calibration of GPU servers

• Implement and support hardware upgrades

• Continuously monitor system performance

• Quickly diagnose and resolve hardware and network issues, coordinating with team members to minimize disruptions

Benefits:

• Competitive base salary

• Equity

• Benefits

Education Requirements:

• Bachelor’s degree in Computer Science, or a related field

Responsibilities:

• Design and implement robust software deployment processes for delivering high-quality platforms to enterprise customers

• Maintain and enhance internal ML infrastructure

• Diagnose and resolve issues related to deploying Lamini Platform in customer on-prem environments

• Collaborate with data center vendors to manage GPU servers

• Partner with cross-functional teams to ensure reliability and scalability are embedded in the design of new features and services

Benefits:

• Competitive base salary

• Equity

• Benefits

Education Requirements:

• Bachelor’s degree in Computer Science or comparable fields

Experience Requirements:

• 4+ years of professional software engineering experience

Responsibilities:

• Design and implement core LLMs tuning and inference on Kubernetes

• Deep understanding of complex distributed systems

• Build complex system features to solve customer problems

• Collaborate with ML & app engineers and product managers on platform features

Benefits:

• Competitive base salary

• Equity

• Benefits

Education Requirements:

• BSc in Computer Science, Mathematics or similar field; Master’s or Ph.D. degree is a plus

Experience Requirements:

• 5+ years of professional experience designing, training, and deploying machine learning models

Responsibilities:

• Design and train new production-ready machine learning models

• Collect, process and analyze data

• Analyze and improve existing models

Benefits:

• Equity

Education Requirements:

• Bachelor's degree from a leading academic institution

Experience Requirements:

• 3+ years of experience in building scalable ML infrastructure from the ground up

Other Requirements:

• Familiar with Kubernetes and Python

• Familiar with Apache Kafka and Spark

Responsibilities:

• Building scalable ML infrastructure

• Managing and growing engineering team

Benefits:

• Equity

Education Requirements:

• Bachelor's degree

Experience Requirements:

• Experienced in flutter

• Adheres strictly to test-driven-development principles

Other Requirements:

• Familiar with Flutter and Python

Responsibilities:

• Implementing CHAI Web App

• Developing features for retention and monetization

Benefits:

• Equity

Education Requirements:

• Bachelor's degree from a leading academic institution

Experience Requirements:

• 6+ years of experience in backend engineering

Other Requirements:

• Familiar with Kubernetes and Python

Responsibilities:

• Building scalable infrastructure

• Managing and growing engineering team

Benefits:

• Equity

Experience Requirements:

• Track record of making money

Other Requirements:

• Goal-oriented

• Comfortable learning on the job

Responsibilities:

• Running, optimizing, and improving revenue generation strategy

Benefits:

• Equity

Experience Requirements:

• Established track-record of delivering results

• Deep understanding of the ML development cycle

Other Requirements:

• Proficient in Python, Tensorflow or PyTorch

• Goal-oriented

Responsibilities:

• Running, optimizing, and improving AI platform

• Improving platform-wide retention

Benefits:

• Equity

Experience Requirements:

• Experienced in scaling small teams

Other Requirements:

• Highly goal-oriented

• Comfortable working in a fast-paced environment

• Self-reflective

Responsibilities:

• Reporting to CEO

• Solving operational problems

• Running hiring processes

Benefits:

• Equity

Experience Requirements:

• Experienced in hiring great engineers

Other Requirements:

• Highly goal-oriented

• Comfortable working in a fast-paced environment

• Self-reflective

Responsibilities:

• Sourcing candidates

• Running hiring processes

Benefits:

• Equity

• Comprehensive health insurance

• Meal vouchers

• Sport subscription

• Unlimited access to books and online courses

Education Requirements:

• Bac +5 / Master

Experience Requirements:

• > 3 years

Responsibilities:

• Core Backend Development

• Infrastructure and Orchestration

• Event-Driven Architecture

• Cloud Operations

• Monitoring and Observability

Benefits:

• Plan d’actionnariat salarié

• Tickets restaurant

• Budget sport

• Mutuelle santé prise en charge à 100%

• Séminaires & formations professionnelles

Experience Requirements:

• > 3 years

Responsibilities:

• Core Backend Development

• Infrastructure and Orchestration

• Event-Driven Architecture

• Cloud Operations

• Monitoring and Observability

Benefits:

• Equity Options

• Prime Office Location (Station F)

• Work Flexibility

• Medical Insurance

• Career Growth Opportunities (training, workshops, courses)

Education Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience

Experience Requirements:

• Proven expertise in Full-Stack Development

• Proficiency in Front-End and Back-End Web Development

• Foundation in Data Science and AI Solutions

• Familiarity with Amazon Web Services (AWS) and Serverless Computing paradigms

Other Requirements:

• Exceptional problem-solving skills

• Attention to detail

• Autonomy

Responsibilities:

• Design, develop, and deploy full-stack solutions

• Collaborate on ideation, prototyping, and implementation of new functionalities

• Continuously learn and apply emerging technologies in AI, machine learning, and cloud services

• Maintain and improve code quality, organization, and automatization

Benefits:

• Top-notch health coverage

• 401(K) contribution

• Paid leave (up to 20 weeks)

• 4 weeks PTO

• Daily in-office catering & monthly Doordash stipend

Education Requirements:

• Bachelor's degree in Finance, Accounting, or related Business field; MBA a plus

Experience Requirements:

• 10+ years of relevant FP&A experience, with at least 5 years directly managing people and teams, and ideally at a consumer software company

Other Requirements:

• Adept at operating at all levels with the ability to be hands-on while also keeping an eye on the strategic big picture

Responsibilities:

• Day to day financial planning

• Managing budgeting/spend

• Forecasting

• Reporting

• Driving Character.AI’s fundraising and compute strategy

Benefits:

• Top-notch health coverage

• 401(K) contribution

• Paid leave (up to 20 weeks)

• 4 weeks PTO

• Daily in-office catering & monthly Doordash stipend

Experience Requirements:

• 5+ years of experience at leading chat, social media, or UGC product companies

Other Requirements:

• Strong intuition for choosing the right questions to ask and quickly driving to key insights

• Excel at turning findings into actionable next steps and working with engineering to execute

• Enjoy leaning into high velocity experimentation

• Capable of standing up Character.AI's data science efforts, including the tools and systems that you will need to work effectively as we scale