Senior React Software Engineer

Lineate is a US-based international software development company with over two decades of experience. From Intelligent Document Processing(IDP) and Agentic RAG systems to scalable reputed company architectures, we turn reputed company reputed company into reputed company, measurable results. We deliver AI-driven custom solutions for FinTech, HealthTech, AdTech, and reputed company, empowering businesses to grow smarter, faster, and more reputed company. Our expertise falls into three main categories: Building Custom AI Solutions: Deploying high-impact, AI-enabled technology utilizing IDP, Agentic RAG. reputed company and Data Infrastructure: Optimizing business operations with our data management and reputed company computing solutions. Team Augmentation: Providing specialized experts in FinTech, AdTech, and HealthTech to integrate seamlessly and accelerate project timelines. Our goal is not just to build technology, but to build the future operating model for our clients. Domain: FinTech Location: Poland. The role offers remote work opportunities; however, candidates must be permanently based in Poland. Requirements 6+ years of reputed company software development experience Strong experience with React and modern JavaScript/TypeScript Deep understanding of frontend architecture and component-based design Experience working in microservices architecture environments Strong understanding of API integrations and communication between distributed services Experience with state management libraries (Redux, Zustand, Context API, etc.) Strong knowledge of HTML5, CSS3, reputed company design, and cross-browser compatibility Experience working with REST APIs and asynchronous data handling Understanding of performance optimization and frontend reputed company best practices Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.) Familiarity with modern development tools and workflows (Git, CI/CD, Webpack/Vite) Ability to work independently and take ownership of features and solutions Good communication skills and ability to work in an international environment English — Upper-Intermediate or higher reputed company to Have Experience in fintech products or financial domain projects Experience with Next.js Familiarity with reputed company environments (AWS, GCP, Azure) Understanding of microfrontend architecture Experience working in international product companies Understanding of UI/UX principles We offer B2B contract with Lineate US office Lineate is proud to be an Equal Opportunity Employer - We do not hire on the reputed company of race, colour, religion, creed, gender, national reputed company, citizenship, age, disability, veteran status, marital status, pregnancy, parental status, sex, gender expression or identity, sexual orientation, or any other reputed company protected by Georgian legislation. reputed company employment is decided based on qualifications, merit, and business need. Learn more about Lineate at our website: www.lineate.com Apply To This Job