Senior Frontend Engineer (ReactJS)

At buymie we believe it’s all about being personal and attentive. Our mission is to help and improve our customers life by offering convenience and freedom. Buymie is an Armenian/Irish co-founded tech company that provides grocery delivery services across Ireland. We are looking for an experienced Senior Frontend Engineer (ReactJS) to join our Buymie team. The ideal candidate will be responsible for developing and maintaining web applications using Angular framework. You will work closely with our development team to design, implement, and test front-end solutions that meet our clients' needs and enhance user experience. Your profile Job Responsibilities Design, develop, and maintain scalable, high-performance frontend applications using React.js, JavaScript/ES6+, and TypeScript.Build reusable, maintainable UI components and frontend architectures following modern React best practices.Manage complex application state using Redux, Context API, and other appropriate state management solutions.Implement advanced React patterns, including Hooks, functional components, code splitting, and lazy loading.Integrate and work with RESTful APIs, GraphQL, and WebSocket-based services.Optimize frontend applications for performance, scalability, responsiveness, and cross-browser compatibility.Ensure frontend solutions follow security, accessibility (a11y), and responsive design best practices.Collaborate closely with Product, Design, Backend, QA, and other engineering teams to deliver high-quality features.Participate in technical planning, architecture discussions, code reviews, and engineering decision-making.Identify and resolve complex technical issues, performance bottlenecks, and frontend defects.Write clean, well-structured, testable, and maintainable code following established coding standards.Use Git and modern development workflows within an Agile/Scrum environment.Contribute to improving frontend development standards, processes, documentation, and best practices.Lead or support complex technical initiatives and mentor less experienced frontend developers when needed. Why us? Requirements Deep understanding of JavaScript, ES6+, and the React.js ecosystemStrong experience with state management solutions such as Redux and Context APIProficiency in TypeScript and modern frontend build tools such as Vite, Webpack, or equivalentStrong experience with React Hooks, functional components, code splitting, lazy loading, and frontend performance optimizationExperience integrating RESTful APIs, GraphQL, and WebSocket-based servicesSolid understanding of frontend security principles, accessibility (a11y), responsive design, and cross-browser compatibilityStrong experience with Git and working in Agile/Scrum development teamsStrong problem-solving and analytical skills, with the ability to design scalable solutions and lead complex technical initiativesExperience with VTEX / VTEX IO Development is a strong plus About Us Buymie is an online marketplace that connects Customers with personal shoppers in their area, who shop for and deliver items from local stores. We are a technology company that prides itself on using data-driven knowledge to perfect the online shopping experience for Customers, as well as adapt our Operations and technology to the ever-changing world.