Full Stack Engineer

Constructor is the next-generation platform for search and discovery in e-commerce, 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 e-commerce companies in the world like Sephora, Under Armour, and Petco.

We'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.

Constructor 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.

As a Full Stack Engineer in the Attribute Enrichment team, you will play a pivotal role in shaping the core customers experience in our dashboards to understand and manage enriched product metadata. Your focus will be on supporting the Attributes Dashboard, building intuitive front-end experiences, evolving our UI architecture, and contributing to the systems powering attribute visibility across Search, Browse, and downstream merchant tooling. 

Your work will directly influence how customers explore, validate, and interact with enriched attributes — making complex ML outputs clear, trustworthy, and actionable. You will collaborate with ML and backend engineers, design partners, and product teams to bring clarity and polish to the Attribute Enrichment Dashboard, while developing resilient full-stack solutions behind it.

As a member of the Attribute Enrichment team, your engineering expertise and collaborative efforts will directly enhance the quality and functionality of our solutions, driving customer satisfaction and engagement. This role is essential to delivering a robust service that meets the highest standards and enables data-driven features across our platform.

• Build and evolve the Attribute Enrichment Dashboard, including UI components, interactions, and data visualization
• Develop new features that make enrichment insights transparent, navigable, and valuable for customers
• Integrate responsive UI from Figma into production-ready React components
• Maintain backend APIs and data flows supporting the dashboard experience
• Set up monitoring, alerting, and observability for the dashboard and supporting services
• Collaborate with technical and non-technical business partners to develop / update service functionalities
• Communicate with stakeholders within and outside the team

• Strong front-end development experience with React + TypeScript
• Experience with the back-end technologies using Python/FastAPI and SQL
• Ability to run and maintain automatic tests
• Experience integrating designs (e.g. Figma) into web applications and ensuring responsive, pixel-perfect design implementation
• Experience collaborating in cross-functional English speaking teams
• A proactive and results-oriented mindset

• Experience with Ruby on Rails
• Experience with AWS infrastructure-as-code (CloudFormation)
• Experience working in remote environments
• Exposure to high-availability or distributed systems

• Unlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per year
• Fully remote team - choose where you live 
• Work from home stipend We want you to have the resources you need to set up your home office 
• Apple laptops provided for new employees
• Training and development budget for every employee, refreshed each year
• Maternity & Paternity leave for qualified employees
• Work with smart people who will help you grow and make a meaningful impact
• This 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 results.
• Regular team offsites to connect and collaborate

At 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.