{"id":423,"url":"https://alion.io/job/constructor-full-stack-engineer-retail-media","title":"Full Stack Engineer: Retail Media","company":{"id":716274,"name":"Constructor","domain":"constructor.com","url":"https://alion.io/company/constructor-3","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":94,"open_postings":39,"ghost_share":0,"stale_share":0,"repost_share":0.077,"time_to_fill_p50_days":72,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["GB","DE","FR","AE","AT","BE","BA","BG","HR","CY","CZ","DK","EG","FI","HU","IE","IL","IT","KE","NL","NG","NO","PL","RO","SA","RS","ZA","ES","SE","CH","TR","UA","AL","DZ","AD","AO","BH","BJ","BW","BF"],"hiring_countries_total":115,"salary":{"min":80000,"max":120000,"currency":"USD","period":"year","gross":null,"usd_annual":120000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"ClickHouse","optional":false},{"name":"Django","optional":false},{"name":"FastAPI","optional":false},{"name":"Flask","optional":false},{"name":"GCP","optional":false},{"name":"JavaScript","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"A/B Testing","optional":true}],"status":"live","first_seen_at":"2026-07-14T14:27:12Z","employer_posted_date":"2026-07-14","last_verified_at":"2026-10-16T16:40:22Z","board_verified":true,"closed_at":null,"days_open":94,"trust":{"level":"ok","repost_count":2,"flags":["repost","company_stale"],"days_open":93},"description":"About Us\nConstructor 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.\nOut 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.\nWe’re a passionate team who love solving problems and want to make our customers’ and coworkers’ lives better. We value empathy, openness, curiosity, continuous improvement, and are excited by metrics that matter. We believe that empowering everyone in a company to do what they do best can lead to great things.\nConstructor is a U.S. based company that has been in the market since 2019. It was founded by Eli Finkelshteyn and Dan McCormick who still lead the company today.\nAbout the Team\nThe Retail Media team is building a platform for connecting ecommerce 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.\nThe Retail Media 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.\nAbout the Job\nThe primary focus of this job is to design, deliver & maintain a web application in close collaboration with other engineers.\nWork collaboratively with Product and Design teams to build Retail Media functionality.\n\nCollaborate with technical and non-technical business partners to develop / update functionalities.\n\nCommunicate with stakeholders within and outside the team.\n\nDeliver Customer dashboard features using Typescript and React, collaborating with backend services (Python and FastAPI).\n\nRequirements\nStrong foundation with client-side JavaScript, computer science background & familiarity with networking principles.\n\nSolid experience with Typescript and frontend frameworks like React.\n\nExperience building, maintaining, and debugging full-stack web applications.\n\nExperience with Python and one of the backend frameworks like FastAPI, Flask, or Django, or willingness to learn and work with this stack.\n\nGood understanding of API design principles.\n\nFamiliarity with Service-Oriented Architecture.\n\nExperience with relational databases, distributed systems, and caching solutions (MySQL/PostgreSQL).\n\nAnalytical skills and experience with SQL to gather insights into dashboard reports and solutions (ClickHouse, Athena).\n\nExperience with any of the major public cloud service providers: AWS, Azure, GCP.\n\nExperience collaborating in cross-functional teams.\n\nExcellent English communication skills.\n\nIdeal candidate has previous experience building ad tech solutions.\n\nBenefits\nUnlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per year\n\nFully remote team - choose where you live\n\nWork from home stipend! We want you to have the resources you need to set up your home office\n\nApple laptops provided for new employees\n\nTraining and development budget for every employee, refreshed each year\n\nMaternity & Paternity leave for qualified employees\n\nWork with smart people who will help you grow and make a meaningful impact\n\nBase salary: $80k-$120k USD, depending on knowledge, skills, experience, and interview results\n\nStock options - offered in addition to the base salary\n\nRegular team offsites to connect and collaborate\n\nDiversity, Equity, and Inclusion at Constructor\nAt 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.\nStudies 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.\nHow we handle your data. By submitting this application, you acknowledge that Constructor will collect and process the personal data you provide for the purpose of evaluating your candidacy for this role. If you are not selected, we will retain your data for a limited period as described in our Recruitment Privacy Notice. 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