Flawless

Technology

Senior/Staff/PrincipalMLSystemsEngineer

£110–165k ~AI est. London, England, United Kingdom FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior / Staff / Principal ML Systems Engineer at Flawless. Skills: ML Systems Engineering, Data Platforms, Training Infrastructure, Production Inference. Build and evolve data platforms. Curate and manage datasets”

Industry & Context.

Technology
Problems you'll solve

Problem-solving; Debugging

What They're Looking For.

Must Have

Python engineering skills, Experience building production services, Experience working with large-scale datasets, Experience with high-throughput data processing pipelines, Debugging skills, Problem-solving skills, Systems design skills, Experience collaborating effectively with cross-functional teams

Nice to Have

Experience building ML infrastructure, Experience building ML platforms, Experience building data platforms, Experience building large-scale backend systems, Experience with PyTorch, Experience building distributed systems, Familiarity with modern data storage technologies, Familiarity with analytics technologies, Familiarity with columnar data formats, Familiarity with data lake architectures, Experience working with video, Experience working with media, Experience working with multimodal ML pipelines, Familiarity with embeddings, Familiarity with vector search, Familiarity with retrieval systems, Experience operating production inference systems, Frontend experience (React or similar)

What You'll Do.

Build and evolve data platforms

Curate and manage datasets

Design systems to process videos

Optimize data storage patterns

Optimize data access patterns

Improve data ecosystem reliability

Improve data ecosystem scalability

Improve data ecosystem observability

Build and optimize training infrastructure

Improve training performance

Scale data loading workflows

Scale preprocessing workflows

Scale training workflows

Ensure training pipelines reproducible

Ensure training pipelines efficient

Ensure training pipelines easy to operate

Develop systems for model outputs

Build tooling for dataset exploration

Build tooling for experiment tracking

Build tooling for model comparison

Enable scientists to iterate rapidly

Maintain robust evaluation practices

Design infrastructure for model versioning

Maintain infrastructure for model validation

Maintain infrastructure for model deployment

Improve ML lifecycle reproducibility

Improve ML lifecycle governance

Support model promotion

Build inference infrastructure

Optimize inference infrastructure

Define model serving protocols

Improve model deployment patterns

Enhance inference system performance

Enhance inference system reliability

Enhance inference system scalability

Provide technical leadership

Drive architectural decisions

Mentor other engineers

Influence infrastructure strategy

How You'll Work.

Team & Collaboration

Cross-functional teams; Platform teams; Scientists; Machine learning engineers

Full Job Description

"The AI company that's revolutionizing Hollywood" Flawless is transforming Hollywood with assistive AI. Our tools empower filmmakers to edit, localize, and refine performances while preserving artistic intent. Designed to support, not replace, artists, our technology expands what is possible on screen and gives creators freedom to tell stories with greater impact and reach audiences in new ways. From enabling seamless multilingual releases to eliminating the need for costly reshoots, Flawless solves critical challenges that slow down productions and limit distribution. We are also setting the standard for ethical AI in entertainment. Our Artistic Rights Treasury (A.R.T.) is a rights management solution that protects artists and rights holders, ensuring that innovation moves forward with transparency and respect for creative ownership. WHAT WE'RE BUILDING Research Services builds the infrastructure that enables scientists to train, evaluate, and deploy models at scale - forming the foundation of Hollywood's AI transformation. Our team sits at the intersection of large-scale data systems, machine learning, and high-performance computing. We own the full stack, from data ingestion and curation through distributed training and production inference, enabling researchers to move quickly while maintaining reliability and scalability. This role focuses on building and optimizing systems for large-scale multimodal datasets, including video, embeddings, and metadata, ensuring they are fast, reliable, and production-ready. THE ROLE We're looking for experienced ML Systems Engineers to join our Research Services team and help build the infrastructure that powers machine learning across Flawless. This role is open across multiple levels, from Senior Engineer through Staff Engineer. The level and scope of responsibility will be determined based on your experience, technical depth, leadership impact, and track record of delivery. As an ML Systems Engineer, you'll work closely with

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