Lead Frontend Engineer (React)

Hexa Consulting is looking for a React Frontend Lead to join our Client's team in a hybrid work model from Lisbon. Job Details: Lisbon, Portugal | Hybrid, with office presence 3 times per week in Coimbra, Lisbon, Porto or Viseu | Technology Mandatory Requirements: 5+ years of professional frontend development experience, including at least 2 years working extensively with React.Previous experience leading, mentoring or coordinating engineers, either formally or as a Tech Lead.Strong proficiency in JavaScript, TypeScript and modern React, including hooks, context and component patterns.Strong knowledge of CSS and modern styling frameworks.Solid understanding of frontend architecture, including state management, routing, performance optimization and testing.Experience with state management solutions such as Redux, Zustand or React Query.Experience integrating frontend applications with REST and/or GraphQL APIs and backend services.Familiarity with CI/CD pipelines, Git and Agile development practices.Proven experience delivering production-quality software in collaborative, cross-functional environments.Strong communication skills and the ability to balance hands-on development with technical and people leadership.English proficiency at C1 level. Nice to Have: Familiarity with Geographic Information Systems (GIS). Technology Stack: JavaScript | TypeScript | React | React Hooks | Context | CSS | Redux | Zustand | React Query | REST | GraphQL | CI/CD | Git Key Responsibilities: Lead and support a frontend engineering team through technical guidance, mentoring and hands-on development.Design, develop and maintain scalable, production-ready user interfaces using modern frontend engineering practices.Define and guide frontend architecture decisions related to component organization, state management, routing, performance and testing.Collaborate with backend, product and other cross-functional teams to integrate frontend applications with services and APIs.Promote high standards of code quality, maintainability and delivery efficiency.Support AI-focused software initiatives by applying strong frontend engineering practices to scalable digital solutions.Help the team analyze technical challenges, make sound engineering decisions and implement practical solutions.Balance technical delivery with team leadership, supporting the growth and effectiveness of frontend engineers. What We Offer: Work Model: Hybrid, with office presence 3 times per week in Coimbra, Lisbon, Porto or Viseu.A culture where each person is encouraged to act as a Builder, contributing with ownership, responsibility and impact.A collaborative environment built on Honesty, Mutual Support and Agility.Continuous learning and certification support throughout your journey.Private health insurance from day one, with optional family extension.Confidential mental health support through TEAM 24, including psychological support, content and live sessions.Childcare vouchers and practical family support measures.Opportunities to grow through exposure to quality management, information security, AI governance and cybersecurity best practices. Equal Opportunity Hexa is committed to equal opportunity, inclusion and fair access to professional growth. We value diverse backgrounds, perspectives and experiences, and we support the principles of the Portuguese Diversity Charter in the way we build teams and opportunities. Hexa Life Life at Hexa means being part of a community of Builders. We work with transparency, support each other across projects and geographies, and stay focused on learning, adapting and delivering work that creates real impact. If you meet the above criteria and are ready for an exciting opportunity in a dynamic environment, please send your CV!