Frontend Engineer

Primer

Frontend Engineer building composable payment experiences at Primer, the unified payment infrastructure platform for global merchants.

Posted 4/15/2026full-timeRemote • 🇭🇺 HungaryMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

TypeScript

About the role

Key responsibilities & impact

Own frontend projects end-to-end — from scoping through to production — across Acceptance's payment surfaces, checkout components, and merchant-facing tooling.
Lead architectural decisions on the frontend systems you work on, contributing to design sessions and producing RFCs and ADRs with minimal reliance on more senior engineers.
Build UI that is composable, performant, and adaptable — payment experiences that merchants can configure and extend to fit their own products.
Monitor the impact of your work in production, use metrics and dashboards to catch issues proactively, and take full ownership when things need to be fixed.
Hold a high quality bar for your own code and raise concerns when you see things in the codebase that don't meet it.
Contribute to incident response when it matters — taking the lead, driving to resolution, and keeping stakeholders informed throughout.
Share knowledge actively and help raise the quality and confidence of the engineers around you.

Requirements

What you’ll need

Solid frontend engineering experience, with a track record of independently delivering production-grade work across the full lifecycle.
Extensive experience with Typescript and ideally web components.
Comfortable taking on a project, scoping it, planning the architecture, and seeing it through without needing to be directed at each stage.
Strong understanding of how to build accessible, performant, maintainable UI at scale — ideally in a context where quality directly affects end users or downstream integrations.
Able to contribute meaningfully to architecture discussions and articulate trade-offs clearly.
Writes clean, well-tested code that peers would consider high quality — and holds yourself to that standard consistently.
Understands the user and business context behind the work, not just the technical brief.
Communicates clearly and directly, especially in async-first environments.
Nice to have: Experience building SDKs, embeddable components, or developer-facing tooling.
Familiarity with payments, checkout flows, or high-availability frontend systems.

Benefits

Comp & perks

Unfortunately we are unable to offer sponsorships or relocation packages at this time.

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Hard Skills & Tools

frontend engineeringTypescriptweb componentsaccessible UIperformant UImaintainable UIclean codewell-tested codeSDKsembeddable components

Soft Skills

project ownershiparchitecture discussionscommunicationknowledge sharingincident responsestakeholder managementindependent deliveryquality assuranceproblem-solvingadaptability