Senior ML Scientist, GenAI

2 weeks ago

London, Greater London, United Kingdom Picsart Full time £80,000 - £120,000 per year

At Picsart, we bring the wonder of creativity to the world and make it easy. As a Senior ML Scientist on our Generative Computer Vision team, you'll help invent and deploy breakthrough generative AI capabilities for millions of creators globally. Your work will shape the future of visual expression by building state-of-the-art tools at the intersection of research and real-world impact.

How You'll Make an Impact

Invent and publish advanced diffusion, transformer, and multimodal text-to-image/video models, including high-resolution generation (up to 16K).

Build innovative features for image/video retouching, effects, quality enhancement, and avatar generation.

Develop and optimize training and inference pipelines with use of data parallelism, quantization, distillation, TensorRT

Design, build, and maintain training and evaluation workflows using PyTorch 2.x, DataBricks, and SLURM.

Create human-in-the-loop evaluations including side-by-side visual comparisons and technical metrics calculation

Collaborate closely with product, design, and engineering teams to ship research-driven features at scale.

What You'll Bring

Ph.D. (or equivalent research experience) in Computer Science, Electrical Engineering, Mathematics, or a related field.

5+ years of experience delivering computer vision and generative AI models in production.

First-author publications or patents in top-tier venues such as CVPR, ICCV, ECCV, SIGGRAPH, NeurIPS, or ICLR.

Deep expertise in PyTorch and CUDA.

Hands-on experience with diffusion models, GANs, and vision-language architectures.

Strong foundations in linear algebra, probability, optimization, and large-scale model training techniques (e.g., mixed precision, gradient checkpointing).

Good To Have

Contributions to open-source ML/CV projects or toolkits.

What we seek and value most in our candidates 
Professionalism in both soft and hard skills; motivation to grow, learn and share, positive attitude, flexibility, transparency, ownership and the most important - passion and commitment.  
Picsart is proud to be an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. We are committed to providing reasonable accommodation to employees who have protected disabilities consistent with local law. 
Picsart, Inc. is an E-Verify Employer in the US. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

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ABOUT US 
Picsart is the world's largest digital creation platform and a top 20 most downloaded app. Every month, the Picsart community creates, remixes, and shares billions of visual stories using the company's powerful and easy-to-use editing tools. Picsart has amassed one of the largest open-source content collections in the world, including free-to-edit photos, stickers, backgrounds, templates, and more. Picsart is available in 30 languages for free and as a subscription on iOS, Android, Windows devices and on the Web. Headquartered in Miami, with offices around the world, Picsart is backed by SoftBank, Sequoia Capital, DCM Ventures, Insight Partners, and others. Download the app or visit  for more information.

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