Engineer II, Frontend - Protection

Primer
Hungary, Poland, South Africa, Portugal, Romania
Workplace: RemoteFull timeFunction: Communications, PR & CommunitySkills: ["Autonomy","Detail-oriented","Edge case handling","Testing","Performance mindset"]

Build the Protection team’s dispute dashboard and native rules engine UI for merchants, helping surface evidence, response tracking, and operationally sensitive risk signals. Ship frontend features end-to-end with performance-focused API design, write tests for edge cases and error handling, and deploy to production while monitoring impact. Work closely with Product and an EM on a small team where your output is highly visible.

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FursaFursa
Primer
Primer
9 hours ago

Engineer II, Frontend - Protection

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Source: Company careers pageValidated by: Fursa AI
Last checked: 9 hours agoStatus: Live

Job Summary

Build the Protection team’s dispute dashboard and native rules engine UI for merchants, helping surface evidence, response tracking, and operationally sensitive risk signals. Ship frontend features end-to-end with performance-focused API design, write tests for edge cases and error handling, and deploy to production while monitoring impact. Work closely with Product and an EM on a small team where your output is highly visible.
Location: Hungary, Poland, South Africa, Portugal, Romania
Workplace: Remote
Employment Type: Full time
Job Function: Communications, PR & Community
Seniority: Mid level

Key Responsibilities

  • •Build the dispute dashboard from scratch, including deadline visibility, evidence status, and response tracking.
  • •Ship frontend features end-to-end with input on scoping and architecture from more senior engineers.
  • •Transform fraud vendor comparisons (Riskified, Forter, Signifyd, Sift) into actionable merchant-facing experiences.
  • •Own well-defined pieces of the native rules engine UI (velocity rules, blocklists, fingerprinting signals) for non-technical teams.
  • •Deploy work to production and monitor impact with support from nearby experienced engineers.

Pay and Benefits

Perks:EquityHealth InsuranceLearning BudgetHome OfficeCo-working AccessEquipmentPaid Leave

Key Requirements

  • •Experience shipping production-ready frontend features with increasing autonomy.
  • •Strong grasp of API design fundamentals and building for performance as usage grows.
  • •Comfortable writing tests and thinking through edge cases and error handling.
  • •Genuine care about the details of what you ship.
  • •Nice-to-have: Exposure to fraud, risk, disputes, or another operationally sensitive domain.
Experience:PaymentsFraudRiskDisputesFraud preventionRisk management
Skills:AutonomyDetail-orientedEdge case handlingTestingPerformance mindset
Tech Stack:FrontendAPI designDashboardsUIRules enginePythonTestsEvidence statusResponse tracking

Company Brief

Primer
Provides a unified, no-code / low-code payments infrastructure and orchestration platform that lets merchants connect, automate and optimise payment flows across processors, methods and partners to improve conversion and reduce friction.
Industry: Fintech Infrastructure
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Valuation: USD 250M to 500M
Funding: Series B
Headquarters: London, United Kingdom
Founded: 2020
WebsiteLinkedInGlassdoor