Senior Frontend Engineer (AI Applications)

About Gramian Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs. About The Role Our client is a Big4 Consultancy group that works with leading financial institutions on AI-driven transformation, automation, advanced analytics, and financial crime prevention. Their work spans intelligent fraud detection, AML/KYC modernization, autonomous workflows, enterprise AI platforms, and the secure industrialization of AI in highly regulated environments. We are looking for a Senior Frontend Engineer to build responsive, high-performance web applications for AI-driven solutions. The role focuses on modern frontend frameworks, real-time API integration, state management, accessibility, reusable component architecture, and seamless user experiences across complex enterprise applications. CONTRACT: Contractor assignment, expected October 2026 - July 2027, with potential extension COMMITMENT: Full-time LOCATIONS: Europe-based, preferably CEE; remote, with potential future hybrid work in Prague PROCESS: Initial qualification followed by technical and client interviews NOTES: Fluent English is required. Responsibilities Develop interactive, responsive, and cross-browser compatible web applicationsBuild frontend solutions using modern frameworks such as React, Vue, or AngularTranslate UI/UX wireframes and prototypes into maintainable production codeIntegrate frontend applications with REST APIs, WebSockets, and real-time streaming responsesOptimize loading performance, responsiveness, and client-side state managementBuild reusable UI components and contribute to shared frontend librariesApply WCAG accessibility standards across user-facing interfacesWrite clean, modular code and component-level unit testsEstablish frontend development guidelines and reusable engineering patternsCollaborate closely with UX, backend, platform, and AI engineering teams Requirements 5-10 years of professional frontend engineering experienceStrong hands-on experience with React, Vue, Angular, or a comparable modern frontend frameworkExperience building responsive, production-grade web applicationsHands-on experience integrating frontend applications with APIs and cloud-hosted servicesExperience with client-side state management and complex user sessionsStrong knowledge of modern frontend performance and browser compatibility practicesExperience writing component-level tests and maintaining reusable UI componentsFluent professional English