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    KR

    Krea

    Artificial Intelligence

    Engineer, Supercomputing & Distributed Systems

    San Francisco, United StatesOn-SiteFull-timePosted 1mo ago
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    Job description

    About Krea

    At Krea, we are building next-generation AI creative tools.

    We're dedicated to making AI intuitive and controllable for creatives - our mission is to build tools that empower human creativity, not replace it. We believe AI is a new medium that allows us to express ourselves through various formats - text, images, video, sound, and even 3D. We're building better, smarter, and more controllable tools to harness this medium. We recently took this a step forward with the launch of Krea 2, our first foundation model, built completely from scratch for aesthetic diversity and stylistic control.

    We've raised over $83M and are backed by world-class investors such as a16z, Bain Capital, and Abstract. We work full-time and in-person at our waterfront office in San Francisco. We care about creativity: our team includes musicians, designers, visual artists, and engineers.

    Supercomputing / AI Infra at Krea

    We build and operate the infrastructure for Krea's research and inference. Distributed training, 1000+ K8s GPU clusters, petabyte scale data pipelines, etc. We build a lot of this from scratch — custom distributed datastores, job orchestration systems, and streaming pipelines that replace tools like Kafka and Ray for modern AI workloads at scale.

    Example projects:

    Distributed data systems

    • Design multi-stage pipelines that turn petabytes of raw data into clean, annotated datasets

    • Run classification models on billions of images

    • Deploy and combine LLMs to caption massive multimedia data

    GPU infrastructure

    • Manage distributed training and inference on 1000+ GPU Kubernetes clusters

    • Solve orchestration and scaling for large-scale GPU job processing

    • Scale workloads and research between clusters in multiple datacenters

    Distributed training

    • Profile and optimize dataloaders streaming thousands of images per second

    • Profile and debug InfiniBand networking on huge training runs

    • Build fault tolerance systems for large-scale pretraining

    • Collaborate with researchers on evolving RL infrastructure

    Applied ML pipelines

    • Find clean scenes in millions of videos using distributed shot-boundary detection

    • Customize and train models to filter billions of images for questions like "is this a screenshot?"

    • Build the systems that bridge raw cluster capacity and research output

    Who we're looking for

    Systems people. If you've read a blog post about InfiniBand debugging or building a custom distributed database and thought "I want to do that" — this is that team.

    You'll spend your time working heavily with Python, Kubernetes, Torch, and data tools like DuckDB, Arrow, etc. It's OK if you don't have K8s or ML experience — the main thing we hire for is an intuition for distributed systems, and a great mental model of how systems interact and function under different conditions.

    Strong candidates may have experience with…

    • Python, PyArrow, DuckDB, SQL, massive relational databases, PyTorch, Pandas, NumPy…

    • Kubernetes

    • Designing and implementing large-scale ETL systems

    • Fundamental knowledge of containerization, operating systems, file-systems, and networking

    • Distributed systems design

    • Distributed training systems (NCCL, InfiniBand, RDMA)

    • Streaming and event processing systems (Kafka, Pulsar, or similar)

    • PyTorch internals, custom dataloaders, and training infrastructure

    What we offer

    • Team: Work alongside a world-class team building the future of AI creative tooling

    • Impact: Significant scope and company-wide impact

    • Competitive compensation: generous salary & equity packages

    • Health & wellness: 100% health & 99% dental/vision insurance premiums covered for employees, health FSA accounts, & long-term disability coverage

    • Time off: Flexible PTO policy

    • Financial planning: 401k with a 4% company-sponsored match

    • Meals in the office: breakfast, lunch, dinner - you name it, we'll cover it

    • Transit: Ubers covered to & from the office

    • Sponsorship: We're open to sponsoring international visas where we can (e.g., STEM OPT, OPT, H-1B, O-1, E-3).

    • And more!

    Please note the above benefits & perks are for full-time employees

    Job details are sourced from the employer's original posting.

    Open job posting
    KR

    About the company

    Krea

    Krea is building next-generation AI creative tools designed to make AI intuitive and controllable for creatives. Their mission is to empower human creativity with AI as a new medium for expression across various formats.

    View all Krea jobs
    Industry
    Artificial Intelligence
    Open roles
    12

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