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Encord

Senior Full-Stack Engineer, Front-End Leaning

Reposted 3 Days Ago
Hybrid
London, Greater London, England, GBR
Mid level
Hybrid
London, Greater London, England, GBR
Mid level
As a Senior Full-Stack Engineer, you will develop complex UIs for dataset visualization and annotation, working with multi-modal data while ensuring high performance and reliability.
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About us
 
Encord is the universal data layer for AI that helps 300+ AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from development through production. Trusted by Woven by Toyota, AXA, UiPath, Zipline, and more.
 
We're an ambitious team of 100+ working at the frontier of AI and have raised $60M in Series C funding from Wellington Management, CRV, Next47 and Y Combinator.
 
The Role

We're looking for great engineers with experience building complex UIs to help build out our editor interface — the part of our product that lets users visualise and annotate their data. We handle a wide range of data modalities, including image, video, audio, text, PDFs, medical images, and data from LiDAR and other sensors in robots and autonomous vehicles.

For this role, we are particularly looking for engineers who are excited about technically challenging frontend work, such as rendering complex 3D/4D scenes with thousands of objects, combining data from several modalities, all while maintaining high performance in the browser.

You'll join us at a crucial stage of accelerated development, as part of a small, highly collaborative group where you'll be a key driver of progress on a core part of our product — operating with a high degree of autonomy and crafting performant, reliable, and maintainable solutions at speed.

What you'll do

  • Build and own complex UI and editor interfaces for visualising and annotating multi-modal data
  • Render high-performance 3D/4D scenes with thousands of objects in the browser
  • Work across the full stack when needed, from backend services to deployment and styling
  • Take end-to-end ownership of projects, from product and architectural decisions through to deployment, monitoring, and measuring user impact
  • Collaborate closely with a lean, high-trust team to tackle challenging problems together
  • Take initiative, be proactive in problem-solving, and continuously seek improvements

Who we're looking for

  • Experienced: you've seen a lot and built a lot — personally developed and maintained multiple systems from scratch, with a deep understanding of the trade-offs involved in building reliable, performant software at speed
  • Excited by hard frontend challenges: rendering complex scenes, working across data modalities, and squeezing performance out of the browser
  • Impact-driven: you want your work to have a tangible outcome for people and aren't satisfied by products that don't see the light of day
  • A builder: you enjoy all aspects of building a complete product, are comfortable moving across the stack, and love problem-solving from first principles
  • Comfortable with uncertainty: happy to tackle problems without a predefined solution, and excited to make decisions autonomously as you go
  • A team player: you contribute your best work and actively help others do the same — you enjoy levelling up those around you

Experience requirements

  • Strong frontend engineering experience, with production-grade work on complex, high-performance UIs
  • Proficiency in TypeScript and React
  • Experience with 3D rendering, WebGL, Canvas, or similar browser-based visualisation technologies is a strong plus
  • Familiarity with Python and backend development
  • Experience with Kubernetes and GCP is a plus

Tech stack

    We are technology agnostic at Encord and not looking for experience across all of these — as long as you're open to learning, please apply.

  • Backend: Python and Rust
  • Frontend: TypeScript and React
  • Deployment: Kubernetes
  • Infrastructure: GCP

Why Encord

  • Competitive salary, commission, and meaningful equity in a high-growth startup
  • Strong in-person culture — most of the team works from our London office 4+ days/week
  • 25 days annual leave + UK public holidays
  • Annual learning & development budget
  • Travel for customer visits, events, and conferences across the UK and Europe
  • Company lunches twice a week
  • Monthly socials & bi-annual team offsites

Top Skills

GCP
Kubernetes
Python
React
Rust
Typescript

Encord London, England Office

Eastcastle St, London, United Kingdom, W1W 8DE

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