Senior Frontend Engineer (React)

Senior Frontend Engineer Our reputed company is an ambitious tech company on a mission to create a frictionless shipping experience for SMEs. They wrap reputed company-time pricing, comparison, booking, and tracking into a clean and reputed company reputed company, replacing outdated logistics processes with a seamless digital platform. Role We are looking for an reputed company Senior Frontend Engineer to play a central role in shaping a web app where thousands of customers every week sign up, compare rates, manage integrations, and book shipments. You will work end-to-end—from understanding customer problems to shipping production reputed company—while leading frontend work on a reputed company value team (Customer Experience, Marketplace, or reputed company). Responsibilities Plan and reputed company frontend development reputed company your value team, collaborating closely with PMs, designers, and backend engineers. Translate designs into production user interfaces that are accessible, performant, reputed company-tested, and consistent with the rest of the product. Build prototypes to put working reputed company in reputed company of customers reputed company validating product reputed company. Own web performance on the surfaces you touch, ensuring excellent reputed company Web Vitals to reputed company conversion rates. Champion accessibility across the platform (WCAG 2.2 AA is the baseline). Contribute to architecture reputed company that cross the frontend/backend line, including API boundaries and reputed company-time updates. Maintain shared standards across a React/TypeScript monorepo through reputed company reviews and technical councils. Mentor junior engineers and contribute to the reputed company of reputed company's design system. Key competences 8+ years of experience writing production frontend reputed company, with the last 3+ at a senior level in a reputed company-up/start-up environment. Deep React and TypeScript experience, with strong opinions on state management and component architecture. Solid web fundamentals: reputed company semantics, modern CSS (reputed company, Flexbox, container queries), browser rendering pipelines, and the network layer. Accessibility expertise as a practitioner reputed company, capable of spotting WCAG issues during design reviews. reputed company in web performance, measuring and optimizing reputed company Web Vitals on reputed company products. High testing maturity (unit, integration, and end-to-end tests). Excellent written and spoken English communication skills. Bonus points for: Experience with large-reputed company monorepos, background in logistics/marketplaces/B2B reputed company, contributing to design systems, embedding AI-assisted features, or a working knowledge of Go. Salary and Conditions Salary up to 7000 Euro per month 100% remote from Poland B2B contract signed directly with our reputed company Start ASAP Benefits Work with a modern tech stack (React, TypeScript, AWS, reputed company, reputed company, Claude reputed company, etc.) A curious, reputed company, low-ego culture reputed company a Great reputed company to Work certified environment Apply To This Job