Senior React Developer

About UsAt UpScale, we combine experienced professionals and modern technology to create real business value. We develop AI-powered products and solutions that solve complex business challenges.We are looking for a Senior React Developer to join our AI-focused product development team. You will work on production-level AI applications, contribute to frontend architecture and technical decisions, and help shape our React development standards.If you enjoy taking ownership, solving complex technical challenges, and working with modern technologies, we’d be happy to welcome you to our team!As a Senior React Developer, you will:Develop and maintain React + TypeScript applicationsMigrate existing Flutter-based AI applications to ReactDevelop new features for AI-powered productsContribute to frontend architecture and technical decisionsDesign scalable state management solutions using Redux Toolkit or modern alternativesIntegrate REST APIs and WebSocket communicationWork with AI, audio, and multimedia technologiesImprove application performance and frontend qualityDevelop and maintain automated frontend testsContribute to CI/CD, code quality and development standardsTake ownership of technical solutions and continuous improvementSupport and mentor less experienced developersCollaborate with Backend, QA, Product, Data Science, and Architecture teamsYou have:5+ years of professional software development experienceStrong hands-on React experience in production environmentsStrong TypeScript knowledgeExperience with Redux / Redux Toolkit or similar solutionsSolid frontend architecture and REST API experienceExperience with automated frontend testingFamiliarity with CI/CD, Git and modern development workflowsExperience with React performance optimizationExperience with WebSocket or other real-time technologiesStrong problem-solving, communication, and collaboration skillsAn ownership mindset and interest in technical leadershipIt is a plus if you have:Experience with AI-powered applicationsAI, voice, audio, or multimedia integration experienceVAD (Voice Activity Detection) experienceFlutter → React migration experienceEnterprise-scale application experienceAWS, Azure, or GCP experienceTech Lead experienceWhy join us?Real technical ownership and influence on frontend architectureWork on modern AI-driven productsModern technologies including React, TypeScript, AI and cloudProfessional growth and continuous learningSupportive, collaborative, knowledge-sharing team cultureStable, growing company with an innovative mindsetOpportunities to work on both internal products and customer-facing solutionsWe are looking for a candidate who shares our values and is excited about the opportunity to make a difference in the financial industry. If this sounds like you, we would love to hear from you!By applying for this position, you automatically agree to the privacy policy: Legal document