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Frontend Engineer: Sponsored Listings at Constructor. About us. Constructor is the only search and product discovery platform tailor-made for enterprise e-commerce where conversions matter. Constructor's AI-first solutions make it easier for shoppers to discover products they want to buy and for e-commerce teams to deliver highly personalized experiences that drive impressive results.. Optimizing specifically for e-commerce metrics like revenue, conversion rate and profit, Constructor generates consistent $10M+ lifts for some of the biggest brands in e-commerce, such as Sephora, Petco, home24, Maxeda Brands, Birkenstock and The Very Group. Constructor is a U.S. based company that was founded in 2015 by Eli Finkelshteyn and Dan McCormick.. The Sponsored Listings team is building a platform for connecting e-commerce retailers and brands. In a nutshell, sponsored listings is the product that allows a brand to buy a placement within our customer’s search, browse, recommendations, collections, or quizzes results. A comprehensive sponsored listings platform integrates seamlessly with online retailers, offering advanced targeting, bidding, and analytics capabilities. This platform aims to enhance ad visibility, optimize ad placement, and provide robust performance analytics. We're a passionate team of cross-functional engineers who love challenges and want to make people’s lives better. We value openness, curiosity, continuous improvement, and great code. We believe that empowering everyone in a company to do what they think is best can lead to great things.. The Sponsored Listings team is looking for Senior Frontend Engineers who will help us build a great user experience for both retailers and brands to support them.. Responsibilities. The primary focus of this job is to design, deliver & maintain our dashboards in close collaboration with other engineers.. . Collaborate with technical and non-technical business partners to develop / update functionalities.. . Communicate with stakeholders within and outside the team.. . Deliver customer dashboard features using TypeScript and React, collaborating with backend engineers (Python and FastAPI).. . . Strong foundation with client-side JavaScript, computer science background & familiarity with networking principles.. . Experience working with server-side JavaScript through Node.js and its build processes.. . Experience with CSS and an eye for user experience.. . Solid experience with TypeScript and frontend frameworks like React.. . Good understanding of API design principles.. . Experience with any of the major public cloud service providers: AWS, Azure, GCP.. . Experience collaborating in cross-functional teams.. . Excellent English communication skills.. . Company Location: Portugal.