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Primer

Staff Engineer, FE – Account Experience

Primer

Staff Engineer leading front-end technical direction across multiple teams at Primer. Focused on architecture and implementation for a complex, data-dense merchant payment platform.

Posted 6/15/2026full-timeRemote • 🇬🇧 United KingdomLeadWebsite

Tech Stack

Tools & technologies
ReactTypeScript

About the role

Key responsibilities & impact
  • Setting and driving front-end technical strategy across the Account Experience teams, from architecture and component-system decisions through to hands-on implementation where it counts
  • Owning the architecture of a complex, data-dense merchant platform — the patterns, state management, and performance characteristics that hold up as the surface area grows
  • Shaping how Primer AI Companion matures as a first-class merchant interface, including the front-end architecture that makes a conversational surface feel native to the platform
  • Holding the experience coherent across Account Setup, Monitors, Workflows, and Auditing — building the shared component and design-system foundations that stop the areas drifting apart
  • Leading engineers across teams without direct authority, through code, design reviews, and technical mentorship that raises the front-end bar around you
  • Owning the things that are easy to neglect: accessibility, performance budgets, and front-end observability as first-class concerns, not afterthoughts
  • Partnering with Product and Design, and with backend engineers across teams, to shape decisions where front-end constraints or opportunities are material

Requirements

What you’ll need
  • Demonstrable experience operating at staff or principal level: setting front-end technical direction across multiple teams, not just within one
  • Deep front-end engineering expertise with TypeScript and React, and a track record of architecting complex, long-lived web applications
  • Real fluency in the things that separate good front-end from great: state management at scale, performance, accessibility, and component-system design
  • The kind of judgment that earns trust fast — engineers follow your technical lead because you're right, not because of your title
  • Enough comfort across the stack to reason about the APIs and services your front-end depends on, and to partner with backend engineers as an equal
  • Strong written and verbal communication, including making complex technical decisions legible to Product, Design, and non-technical stakeholders
  • Comfort working in payments, fintech, or platform contexts is welcome, though depth of engineering matters more than the specific industry.

Benefits

Comp & perks
  • Competitive share options
  • Uncapped holiday, with 25 days minimum to be taken
  • Co-working space access
  • Workations & Company Retreat
  • The best equipment for your role
  • £500 towards your home office setup
  • Generous learning budget
  • Private Medical Insurance
  • A broad set of additional perks and benefits (*depending on location)

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
TypeScriptReactstate managementperformance optimizationaccessibilitycomponent-system designarchitecting web applicationsfront-end engineeringtechnical mentorshipfront-end observability
Soft Skills
leadershipcommunicationjudgmentcollaborationmentorshiptrust-buildingtechnical decision-makingcross-team collaborationproblem-solvingstakeholder engagement