Spacemind

Overview of job

As a Senior Front-End Developer, you will lead the design and implementation of challenging user interface solutions, from modernizing legacy platforms to crafting seamless ReactJS applications. You'll engage with exciting projects that offer both diversity and the chance to leverage your expansive skill set, tools, and knowledge. 
We value flexibility as you deliver innovative frontend features in a high-performance environment. This role is tailor-made for someone who thrives in a fast-paced setting, knows how to get the most out of their development tools, and remains creative and agile when facing complex UI/UX obstacles.

Key Responsibilities:

• Architect and develop modern ReactJS 18+ applications using TypeScript for administrative and B2B interfaces
• Lead implementation of components library and establish scalable UX architecture patterns
• Optimize build processes using Vite and Webpack for optimal development and production performance
• Lead frontend architecture decisions spanning React, Vue.js, and PHP ecosystems
• Establish code quality standards and mentor development teams on modern frontend practices

• Competitive salary Full health & social insurance (retirement, sick leave, maternity) 
• Paid annual leave + guaranteed Tet bonus Gym membership, sports activities, team events 
• If you’re driven, proactive and curious about smart, AI-enabled ways to scale e-commerce, join us. 
• Global exposure, real responsibility, tangible results.

• Minimum 6 years of professional front-end development experience
• Expert-level proficiency in ReactJS (3+ years) with modern hooks and context APIs
• Advanced JavaScript/TypeScript skills and ES6+ proficiency
• Familiarity with PHP/Symfony framework 
• Extensive knowledge of modern build tools (Webpack, Vite, Rollup)
• Expert-level CSS/SCSS skills with responsive design and cross-browser compatibility
• Excellent problem-solving and debugging capabilities
• Ability to work independently and lead technical initiatives
• Experience mentoring junior developers and conducting code reviews
• Advanced proficiency with state management libraries (Redux, Vuex, Zustand)
• Knowledge of PHP templating engines (Twig) and Symfony framework
• Familiarity with e-commerce platforms and complex product catalog systems
• Experience with modern testing frameworks (Jest, Cypress, Testing Library)
• Experience with Docker containerization and CI/CD pipelines
• Experience with headless CMS integration and content management
• Experience with performance monitoring tools and optimization techniques
• Understanding of RESTful APIs and GraphQL integration
• Understanding of SEO optimization and technical SEO implementation
• Must be fluent in English