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Senior Frontend Product Software Engineer (React)

PRT - Porto💼 Full-time🗓 2026-04-13 → 2026-07-30

Core

Senior Frontend Product Software Engineer building scalable, high-performance user interfaces for Kyte, a SaaS invoicing tool for freelancers and small businesses.

Role type

Senior IC frontend product engineer

Builds

SaaS-based invoicing application (Kyte) for freelancers and small businesses

Domain

Finance/Tax/Accounting SaaS

Deliverable

product features

Required skills

React, TypeScript, JavaScript (ES6+), Modern state management (Redux), TanStack Query, Component design systems, Unit and integration testing (RTL, Cypress), Build tools (Vite), CI/CD pipelines, API integration (REST, GraphQL)

Preferred skills

Tailwind, Experience with invoicing

Responsibilities

Contribute to frontend architecture and feature development, Collaborate with product managers, designers, and backend engineers, Refactor codebase and reduce technical debt, Establish frontend best practices, Mentor other engineers, Develop comprehensive testing routines

Seniority

Senior, hands-on IC

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