Senior Fullstack Engineer

TL;DR

Senior Fullstack Engineer: Architecting and developing high-performance, reusable React components for the Unified hirify.global Design System (URDS) while building dynamic, conversational UI components for our Agentic UI Platform. Focus on visual regression testing, interaction testing, and accessibility compliance.

Location: Lisbon, Portugal

Company

hirify.global’s AI-powered data unification and management capabilities transform siloed data from disparate sources into unified, trusted, and interoperable data.

What you will do

• Architect and develop reusable React components for the Unified hirify.global Design System (URDS), ensuring they serve as the single source of truth for the UI Guild.
• Collaborate with UX designers to implement a spec-driven development workflow, ensuring parity between Figma designs and code.
• Develop and maintain shared NodeJS libraries and microservices that support UI infrastructure, CLI tools for the UI Guild, and backend-for-frontend (BFF) layers.
• Contribute to the AI-Driven & New Product Mode stream by building dynamic, conversational UI components and the supporting backend logic for our Agentic UI Platform.
• Implement robust Visual Regression Testing (VRT) pipelines using Chromatic to detect unintended visual changes and manage UI baselines.
• Act as a key resource for the UI Guild, providing code reviews, architectural guidance, and promoting best practices.

Requirements

• Expert proficiency in React, TypeScript, and modern CSS/Sass architectures.
• Deep experience with Storybook for component isolation, documentation, and testing.
• Strong proficiency in NodeJS for building CLI tools, scripts, and backend services.
• Hands-on experience with Chromatic for visual regression and Playwright (or Cypress) for functional testing.
• Experience configuring pipelines (GitHub Actions, CircleCI) to automate linting, testing, and deployment.
• Solid understanding of WCAG principles and experience using automated tools (like Axe) to ensure compliance with standards like the European Accessibility Act (EAA).

Nice to have

• Experience building UI for AI agents, chat interfaces, or using AI coding tools (e.g., Cursor AI) to accelerate development.
• Familiarity with Figma APIs or plugins to streamline the handoff between design and code.
• Experience managing codebases with tools like Nx, Turborepo, or Lerna.
• Knowledge of bundle size analysis and rendering optimization for large-scale component libraries.

Culture & Benefits

• hirify.global offers flexible work arrangements to help our people manage their personal and professional lives.
• Committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.