Senior Frontend Engineer, React/Next.js

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🕒 April 30

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HumanIT Digital Consulting

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

🤝 B2B

🎯 Recruiter

B2B • Recruitment

HumanIT Digital Consulting is a human-centered digital consulting and talent services firm that helps organizations find, onboard and grow people while delivering digital transformation and IT-related consulting. The company emphasizes people-first values and offers services to both jobseekers and hiring companies across offices in Portugal and Switzerland. HumanIT positions itself as a partner for businesses seeking human talent and for professionals seeking career opportunities in digital and IT roles.

📋 Description

• Join a world-class technology consultancy • Design and build high-performance, secure, and scalable front-end solutions • Own the lifecycle of front-end applications • Ensure applications are secure, high-performing, and built with scalability in mind • Work closely with cross-functional teams in Agile environments (Scrum/Kanban) • Champion best practices in SEO, accessibility, and performance optimization • Build applications using React.js and Next.js with server-side rendering concepts • Manage state with Redux or similar solutions • Integrate with both GraphQL and REST APIs • Strong emphasis on testing using frameworks like Jest and React Testing Library • Performance monitoring with tools like New Relic, Grafana, or Core Web Vitals metrics • Ensure products reach everyone through accessibility standards and optimization

🎯 Requirements

• React.js and Next.js expertise : Strong hands-on experience building production applications (must-have) • State management : Proficiency with Redux or similar state management libraries • API integration : Familiarity with both GraphQL and REST APIs for data fetching and management • HTML5 and CSS3 : Solid skills including CSS pre/post-processors like SASS, LESS, or PostCSS • Testing frameworks : Experience with Jest, React Testing Library, or Enzyme for comprehensive testing • Performance optimization : Knowledge of optimization techniques and tools like New Relic, Grafana, or Core Web Vitals • Server-side rendering : Understanding of SSR concepts and building isomorphic applications • SEO and accessibility : Champion of best practices ensuring products are discoverable and accessible • Agile methodology : Comfortable working in Scrum/Kanban environments with high degree of autonomy • Self-driven mindset : Passionate about craft and comfortable navigating complex projects independently • Communication clarity : Approachable with ability to express ideas and collaborate efficiently • Team fit focus : Contribution to positive atmosphere, believing collaboration is a core technical skill • Language requirement : Fluent English (mandatory)

🏖️ Benefits

• Flexible work arrangements • Professional development opportunities