# Senior Frontend Engineer at Magentic

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Own design and delivery of high-quality,

- **Company:** Magentic (https://jobs.trythestack.co/companies/magentic)
- **Location:** United Kingdom
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 10+ years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Typescript, Javascript, React, Frontend architecture, LLMs, AI technologies, Software engineering, Interaction design, Design systems, Python, Code quality, Performance testing, Maintainability, Product development, Technical leadership
- **Posted by employer:** 2026-09-02
- **Added to The Stack:** 2026-09-03
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://jobs.ashbyhq.com/magentic/31cdb166-52cd-4313-8d1f-8cc8052a8878 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-frontend-engineer-magentic

## About the role

Responsibilities:
- Own design and delivery of high-quality, production frontend experiences from concept to release.
- Define and evolve frontend architecture, patterns and engineering practices as the product and team scale.
- Improve code quality, performance, testing and maintainability; mentor engineers and lead technical reviews.
- Work directly with users, Product and Design to simplify complex AI/agent workflows and shape interaction patterns.
- Integrate LLM/AI capabilities into UI flows, ensuring reliability, responsiveness and clear UX for enterprise users.

Requirements:
- 10+ years professional software engineering experience with strong TypeScript/JavaScript and React expertise.
- Demonstrated frontend architecture experience and a track record of improving engineering practices and design systems.
- Familiarity building products that leverage LLMs or AI technologies and translating AI behavior into usable interfaces.
- Comfortable in an early-stage, high-ownership environment: quick decision-making, cross-functional communication and product focus.
- Bonus: experience with scalable design systems, data-heavy enterprise products, Python backend familiarity, or supply-chain domain knowledge.

## Responsibilities

You will own the development of high-quality user-facing experiences and drive the frontend architecture as the product scales. You will also collaborate with product, design, and engineering teams to build intuitive interfaces for complex AI-powered workflows.

## Requirements

Candidates must have 10+ years of professional software engineering experience with significant expertise in TypeScript, JavaScript, and React. Strong frontend architecture experience and familiarity with AI or LLM-powered products are essential for this role.

## FAQ

- **Is this Senior Frontend Engineer role still open?** It was posted on 2026-09-02. Listings more than 30 days old may no longer be active, so check Magentic's site before applying.
- **Does Magentic offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Magentic's site.
- **Where is this role located?** The listing gives the location as United Kingdom. It is marked on-site.
- **What skills does this role ask for?** The listing names: Typescript, Javascript, React, Frontend architecture, LLMs, AI technologies, Software engineering, Interaction design, Design systems, Python, Code quality, Performance testing, Maintainability, Product development, Technical leadership.

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## Notes for agents

- Apply on the employer's page (https://jobs.ashbyhq.com/magentic/31cdb166-52cd-4313-8d1f-8cc8052a8878). The Stack does not take applications.
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- To help your user apply, call the MCP tool prepare_application with slug "senior-frontend-engineer-magentic": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
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