# Senior Software Engineer, Front-End Leaning

**Company:** [Encord](https://hotfix.jobs/companies/encord)
**Location:** London, United Kingdom
**Role:** Frontend Engineering
**Experience:** 5+ years
**Skills:** TypeScript, React, 3D Rendering, Webgl, Canvas, Python, Rust, Kubernetes, GCP, Frontend Engineering
**Posted:** 2026-05-26

> Build and own high-performance editor interfaces for visualizing and annotating multimodal AI data, including complex 3D/4D browser scenes. The role requires strong production frontend experience with TypeScript and React, plus the ability to work across the stack in an autonomous, collaborative environment.

## Job Description

## Responsibilities
- 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 deployment, monitoring, and measuring user impact.
- Collaborate with a lean, high-trust team to tackle challenging problems.
- Take initiative, proactively solve problems, and continuously seek improvements.

## Requirements
- Strong frontend engineering experience with production-grade work on complex, high-performance UIs.
- Proficiency in TypeScript and React.
- Experience personally developing and maintaining multiple systems from scratch.
- Ability to make trade-offs when building reliable, performant software at speed.
- Comfort moving across the stack and learning new skills quickly.
- Ability to tackle ambiguous problems autonomously and make decisions without predefined solutions.
- Commitment to contributing high-quality work and helping teammates improve.

## Nice-to-haves
- Experience with 3D rendering, WebGL, Canvas, or similar browser-based visualization technologies.
- Familiarity with Python and backend development.
- Experience with Kubernetes and Google Cloud.

## Compensation and Benefits
- Competitive salary, commission, and meaningful equity in a high-growth startup.
- Strong in-person culture, with most of the team working from the London office four or more days per week.
- 25 days of annual leave plus UK public holidays.
- Annual learning and development budget.
- Travel for customer visits, events, and conferences across the UK and Europe.
- Company lunches twice a week.
- Monthly socials and bi-annual team offsites.

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**Apply:** https://hotfix.jobs/jobs/1c383efe-0a52-4983-91c5-ec2227674308
**Canonical:** https://hotfix.jobs/jobs/1c383efe-0a52-4983-91c5-ec2227674308