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Perk

Senior Frontend Engineer – Billing

Perk

Senior Frontend Engineer developing customer-facing frontend experiences within billing at Perk. Collaborating cross-functionally to enhance the product ownership and technical quality.

Posted 7/7/2026full-timeBarcelona • 🇪🇸 SpainSeniorWebsite

About the role

Key responsibilities & impact
  • Own the entire lifecycle of a feature, from understanding customer pain points to deployment.
  • Collaborate closely with product designer and PM to enhance the billing experience.
  • Establish frontend practices and standards as the team's footprint grows.
  • Influence architecture and cross-squad initiatives through communication and collaboration across multiple teams.
  • Mentor and provide feedback to less experienced colleagues.
  • Support Engineering Managers in identifying areas for technical growth.

Requirements

What you’ll need
  • Senior engineers are expected to go beyond the technical solution and focus on the problem itself.
  • Understand customer pains with our product team.
  • Comfortable taking a set of customer-facing pages from design handoff through to shipped, polished product.
  • Comfortable leading design documents that lay the foundation for big changes in platform architecture.
  • Define and uphold engineering excellence, including CI/CD optimizations, testing strategies, and coding standards across the frontend stack.
  • Lead observability and frontend performance monitoring.
  • Comfortable translating complex business goals into technical roadmaps.

Benefits

Comp & perks
  • IRL-first approach to teamwork
  • Opportunities for relocation
  • Equal opportunity employer

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
Frontend StackTesting StrategiesCoding StandardsDesign DocumentationObservability
Soft Skills
CollaborationCommunicationProblem-Solving