Senior Frontend Developer

Our company description:Mission is a platform for hiring, vetting and managing software development talents. It enables our clients to connect with the world’s best talent to build mission-critical software products.About the client:This global technology firm provides an AI-native platform designed for the insurance industry. The platform automates and optimizes decision-making across the policy lifecycle, focusing on risk assessment, fraud management, and compliance. By leveraging specialized data science expertise, the company delivers explainable AI solutions that help major insurers and associations worldwide improve operational efficiency and payment integrity.About the RoleAs a Senior Front-End Developer, you will lead a project acceleration focused on enhancing complex data visualization tools. You will take ownership of developing highly interactive components that facilitate critical decision-making within the platform. This role demands a high level of technical autonomy and the ability to integrate sophisticated JavaScript libraries into a modern React environment. Your work will directly impact how users interact with and interpret large-scale risk and fraud data, contributing to the platform's overall scalability and performance.Anticipated duration of the need 4-6 months (this is a project acceleration, but could extend as new work is launched)Key DetailsLocation: European Union (must be currently based in the EU)Rate: €65–€68 per hourContract Type: ContractorContract Duration: 4–6 months (with potential extension)Language: Professional English requiredWhat You'll DoDevelop and maintain high-performance web applications using React and TypeScript.Architect and implement complex data visualization features.Integrate specialized JavaScript libraries into the React ecosystem to enhance UI interactivity.Collaborate with cross-functional teams to accelerate product roadmaps and meet project milestones.Optimize front-end performance for data-intensive workflows.Ensure code quality through rigorous testing and peer reviews.What You Bring5+ years of experience in professional software development.Expert-level proficiency in TypeScript and JavaScript.Strong professional experience with React.Professional fluency in English.Must reside in the European Union.Nice to HavesDeep hands-on experience with Cytoscape.js or similar graph theory libraries.Full-stack development capabilities.Experience integrating complex vanilla JavaScript components into React.