Senior Frontend Developer (React)

O projekcie: We are hiring a Senior Frontend Engineer to join a product-focused team working on modern web applications for our client. In this role, you’ll take the lead in building user-facing features that are reliable, scalable, and easy to maintain. You’ll work at the intersection of engineering, product, and design — turning ideas into real, high-quality solutions used by end users. This is a position for someone who is comfortable making decisions, taking responsibility for their work, and actively shaping the frontend layer of the product. Wymagania: - Solid commercial experience in frontend development with React - Confidence in delivering complex features without close supervision - Experience collaborating with non-engineering stakeholders (e.g. product, design) - Strong focus on code quality, readability, and long-term maintainability - Ownership mindset — you don’t just implement tasks, you drive solutions. Nice to have - Experience working on complex or large-scale web platforms - Exposure to shared frontend ecosystems or multi-team environments - Familiarity with component-driven development and design systems - Interest in growing your skills in TypeScript and modern frontend testing practices Codzienne zadania: - Develop and manage batch data processing pipelines using AWS-based solutions - Implement efficient data transformations with Apache Spark and SQL - Design robust data structures to support reporting and analytical use cases - Maintain high standards of data quality, availability, and system performance - Identify and resolve issues within data pipelines, ensuring stability and scalability - Gather and analyze business needs, translating them into effective technical solutions - Work in a self-organized manner while collaborating with cross-functional teams.