Senior Frontend Developer

🕒 May 13

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Joom

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2016

🛍️ eCommerce

🏪 Marketplace

🤝 B2B

eCommerce • Marketplace • B2B

Joom is an international group of e-commerce companies founded in June 2016 in Riga, Latvia. The company has expanded globally with headquarters in Lisbon, Portugal, and offices in China, Hong Kong, Brazil, the USA, and Germany. Joom operates various businesses including the Joom Marketplace, which helps consumers save money online and provides partners with multi-origin supply and global logistics solutions. Other ventures include Onfy, an online pharmaceutical marketplace in Germany, JoomPro, a B2B platform for importing goods from China, and Joom Pulse, a data platform offering analytics and recommendations for marketplace sellers. Joom aims to leverage technology to make global trade easy and efficient.

📋 Description

• Develop and evolve frontend architecture for user-facing product areas • Build reliable, scalable, and maintainable web interfaces • Design client-side integrations with backend services and APIs • Improve product flows across key user journeys • Participate in product discussions, feature design, and experiment launches • Work closely with product managers, designers, QA engineers, analysts, backend developers, and mobile developers • Maintain and improve code quality, performance, accessibility, and automated tests

🎯 Requirements

• Strong experience with frontend development using JavaScript and TypeScript • Solid experience with React and modern frontend architecture • Experience with Next.js, SSR, and SPA architecture • Experience working with REST APIs and client–server applications • Experience with state management and data-fetching tools such as Redux, Effector, or React Query • Ability to design maintainable architecture and make pragmatic technical decisions • Product-oriented engineering mindset: ability to understand user problems, think beyond implementation, and contribute to product decisions • Nice to have: Experience with iOS or android development • Interest in growing as a T-shaped engineer across web and mobile platforms • Professional use of AI coding tools such as Cursor, Claude Code, or similar • Ability to evaluate AI-assisted workflows: what worked, what did not, and why

🏖️ Benefits

• Fully remote or hybrid format (Berlin or Lisbon office) • Permanent employment contract (Germany or Portugal) or Contract-based collaboration (full-time) • Transparent growth framework: we define growth expectations together and set goals that align with them