Lineate
software development
SeniorReactSoftwareEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior React Software Engineer at Lineate. Skills: React, JavaScript, TypeScript, frontend architecture, microservices architecture, API integrations. Deploying high-impact, AI-enabled technology utilizing IDP, Agentic RAG. Optimizing business operations with our data management and cloud computing solutions”
What You'll Achieve.
turn complex ideas into real, measurable results; empowering businesses to grow smarter, faster, and more efficiently; accelerate project timelines
Industry & Context.
candidates must be permanently based in Poland
What They're Looking For.
Must Have
6+ years of commercial software development experience, experience with React and modern JavaScript/TypeScript, Deep understanding of frontend architecture and component-based design, Experience working in microservices architecture environments, understanding of API integrations and communication between distributed services, Experience with state management libraries (Redux, Zustand, Context API, etc. ), knowledge of HTML5, CSS3, responsive design, and cross-browser compatibility, Experience working with REST APIs and asynchronous data handling, Understanding of performance optimization and frontend security 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
Nice to Have
Experience in fintech products or financial domain projects, Experience with Next. js, Familiarity with cloud environments (AWS, GCP, Azure), Understanding of microfrontend architecture, Experience working in international product companies, Understanding of UI/UX principles
What You'll Do.
Deploying high-impact
AI-enabled technology utilizing IDP
Optimizing business operations with our data management and cloud computing solutions
Providing specialized experts in FinTech
and HealthTech to integrate seamlessly and accelerate project timelines
Building the future operating model for our clients
How You'll Work.
Team & Collaboration
Ability to work in an international environment
Communication Scope
Good communication skills; English — Upper-Intermediate or higher
Process & Methodology
take ownership of features and solutions
Full Job Description
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 cloud architectures, we turn complex ideas into real, measurable results. We deliver AI-driven custom solutions for FinTech, HealthTech, AdTech, and beyond, empowering businesses to grow smarter, faster, and more efficiently. Our expertise falls into three main categories: Building Custom AI Solutions: Deploying high-impact, AI-enabled technology utilizing IDP, Agentic RAG. Cloud and Data Infrastructure: Optimizing business operations with our data management and cloud 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 commercial 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, responsive design, and cross-browser compatibility Experience working with REST APIs and asynchronous data handling Understanding of performance optimization and frontend security 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 in
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