OverviewFull-Stack Engineer: Sponsored Listings (Remote)Get AI-powered advice on this job and more exclusive features.About UsConstructor is the next-generation platform for search and discovery in ecommerce, built to explicitly optimize for metrics like revenue, conversion rate, and profit. Our search engine is entirely invented in-house utilizing transformers and generative LLMs, and we use its core and personalization capabilities to power everything from search itself to recommendations to shopping agents. Engineering is by far our largest department, and we 've built our proprietary engine to be the best on the market, having never lost an A/B test to a competitive technology. We 're passionate about maintaining this and work on the bleeding edge of AI to do so.Out of necessity, our engine is built for extreme scale and powers over 1 billion queries every day across 150 languages and roughly 100 countries. It is used by some of the biggest ecommerce companies in the world like Sephora, Under Armour, and Petco. We value empathy, openness, curiosity, continuous improvement, and metrics that matter. We believe that empowering everyone in a company to do what they do best can lead to great things. Constructor is a U.S. based company that has been in the market since 2019, founded by Eli Finkelshteyn and Dan McCormick who still lead the company today.About The TeamThe Sponsored Listings team is building a platform for connecting e-commerce retailers and brands. In a nutshell, retail media is the product that allows a brand to buy a placement within our customer 's search, browse, recommendations, collections, or quizzes results. A comprehensive retail media 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 new and looking for Senior Full-stack engineers who will help us build a great Customer Dashboard interface for both retailers and brands to support them.About The JobThe primary focus of this job is to design, deliver & maintain a web application in close collaboration with other engineers.ResponsibilitiesWork collaboratively with Product and Design teams to build Retail Media functionalityCollaborate with technical and non-technical business partners to develop / update functionalitiesCommunicate with stakeholders within and outside the teamDeliver Customer dashboard features using Typescript and React, collaborating with backend services (Python and FastAPI)RequirementsStrong foundation with client-side JavaScript, computer science background & familiarity with networking principlesSolid experience with Typescript and front-end frameworks like ReactExperience building, maintaining, and debugging full-stack web applicationsExperience with Python and one of the backend frameworks like FastAPI, Flask, or Django, or willingness to learn and work with this stackGood understanding of API design principlesFamiliarity with Service-Oriented ArchitectureExperience with relational databases, distributed systems,



and caching solutions (MySQL/PostgreSQL)Analytical skills and experience with SQL to gather insights into dashboard reports and solutions (ClickHouse, Athena)Experience with any of the major public cloud service providers: AWS, Azure, GCPExperience collaborating in cross-functional teamsExcellent English communication skillsIdeal candidate has previous experience building ad tech solutionsBenefits️ Unlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per yearFully remote team - choose where you live️ Work from home stipend! We want you to have the resources you need to set up your home officeApple laptops provided for new employeesTraining and development budget for every employee, refreshed each yearMaternity & Paternity leave for qualified employeesWork with smart people who will help you grow and make a meaningful impactThis position has a base salary range between $80k and $120k USD. The offer varies on many factors including job related knowledge, skills, experience, and interview resultsRegular team offsites to connect and collaborateDiversity, Equity, and Inclusion at ConstructorAt Constructor.Io we are committed to cultivating a work environment that is diverse, equitable, and inclusive. As an equal opportunity employer, we welcome individuals of all backgrounds and provide equal opportunities to all applicants regardless of their education, diversity of opinion, race, color, religion, gender, gender expression, sexual orientation, national origin, genetics, disability, age, veteran status or affiliation in any other protected group.Studies have shown that women and people of color may be less likely to apply for jobs unless they meet every one of the qualifications listed. Our primary interest is in finding the best candidate for the job. We encourage you to apply even if you don 't meet all of our listed qualifications.Seniority levelMid-Senior levelEmployment typeFull-timeJob functionIndustriesIT Services and IT Consulting#J-18808-Ljbffr

📌 Full-Stack Engineer: Retail Media (Remote) - $80,000 - $120,000 A Year - Remote (Madrid)
🏢 Constructor
📍 Madrid