Senior Frontend Developer (Web React)

Location: Bangkok (Hybrid 2×/week)Type: Full-timeSalary: MAX 100K THBAbout UsAt Aksorn Charoen Tat, we’re more than Thailand’s leading educational publisher—we’re on a mission to revolutionize how students learn. Backed by over 80 years of excellence, we blend deep domain expertise with cutting-edge technology to deliver transformative Ed-Tech solutions.Why Join Us• Build and scale microservices that handle over million concurrent users• Work in agile squads alongside educators, data scientists, and product leaders• Drive real-world impact with AI-powered adaptive-learning engines• Level up through hackathons, workshops, mentorship, and a generous learning budgetWhat You’ll OwnArchitect and build React applications focused on interactivity, responsiveness, and performanceDesign and implement offline-first features using local storage and advanced caching strategiesEvaluate, select, and integrate best-in-class component libraries to optimize UX and load timesMentor and manage frontend team members, drive code reviews, and establish best practicesPartner with backend teams to define APIs and fine-tune end-to-end performanceConduct performance profiling, identify UI bottlenecks, and implement optimizationsKey Responsibilities:Architect and build React applications with focus on interactive, responsive, and high‑performance UIDesign and implement offline‑first features, leveraging local storage and intelligent client‑side caching strategiesEvaluate, select, and integrate best‑in‑class component libraries to optimize performance and user experienceMentor and manage frontend team members, drive code reviews, and champion frontend best practicesCollaborate closely with backend teams to define APIs and tune performanceConduct performance profiling, identify bottlenecks, and implement optimizations across the UICore Requirements:5+ years of hands‑on React experience building interactive web interfacesExpertise in high‑performance web UI patterns, offline‑first architectures, and caching mechanismsProven ability to evaluate and integrate optimized component librariesStrong leadership skills with experience managing and mentoring frontend teamsDeep understanding of web performance profiling tools and optimization techniquesProficiency in TypeScript, Redux or React Query, and CI/CD pipelinesPragmatic Innovator: you know real innovation lives in production—you favor practical, iterative solutions over “perfect” designsComfortable with ambiguity: you can take rough/high-level requirements, analyze them, and deliver working prototypes without waiting for a fully detailed specIterative Mindset: you continuously refine and enhance features in production, spotting improvement opportunities and evolving the design as you go