Senior Front-End Developer
Organization: Seeking Alpha
Location: Kyiv, Ukraine
Join a Company That Invests in YouSeeking Alpha is the world’s leading community of engaged investors. We’re the go-to destination for investors looking for actionable stock market opinions, real-time market analysis, and unique financial insights. At the same time, we’re also dedicated to creating a workplace where our team thrives. We’re passionate about fostering a flexible, balanced environment with remote work options and an array of perks that make a real difference.Here, your growth matters. We prioritize your development through ongoing learning and career advancement opportunities, helping you reach new milestones. Join Seeking Alpha to be part of a company that values your unique journey, supports your success, and champions both your personal well-being and professional goals.What We’re Looking ForWe are looking for a Senior Front-End Developer with a focus on mobile experience. You'll use React and TypeScript to build features for our iOS and Android apps, working closely with the native mobile team. This is a React role where your focus will be on crafting mobile-optimized UI, performance, and delivering a seamless experience for our paid users as they access exclusive content and advanced investment tools.This is a fully remote role, offering the flexibility to work from home. What You'll Do Develop mobile-focused features for our React application that runs inside iOS/Android appsBuild and maintain JavaScript-to-native bridge communicationEnsure backward compatibility across released mobile app versionsCollaborate with the native mobile development team to design and implement new bridge APIs and navigation patternsParticipate in product design and planning discussions, contributing architecture ideas for mobile-specific user experiencesOptimize application performance, meeting Web Vitals requirementsWrite highly scalable, reusable code with TypeScript and Tailwind CSS Requirements 4+ years of hands-on React experience5+ years of front-end development experience building complex, high-load applicationsStrong TypeScript proficiencyExperience with Tailwind CSS and TanStack Query (React Query)Deep understanding of mobile-first responsive design and cross-browser compatibilityKnowledge of browser internals: JavaScript engines, DOM APIs, event handling, and performance optimization techniquesComfortable with Git and familiar with Agile principlesAbility to break down complex requirements into actionable tasksStrong sense of ownership and a "get things done" mindsetImpact-driven approach with focus on user and business outcomesUpper-Intermediate English is a mustNice to haveExperience with React applications running in WebView contexts (iOS WKWebView, Android WebView)Experience with React NativeExperience with browser extensionsUnderstanding of JavaScript-to-native bridge patterns and mobile app integrationExperience debugging WebViews using Safari Web Inspector or Chrome DevToolsExperience with refactoring large-scale features while maintaining backward compatibilityExperience working in a UNIX environmentApply: https://www.comeet.com/jobs/seekingalpha/46.006/senior-front-end-developer/33.360