• Development of web applications across the full stack. • Design and implementation of APIs (REST/GraphQL). • Participation in architectural decisions and technical design. • Work in agile teams (Scrum/Kanban) with close collaboration with Product Owners, Design and DevOps. • Integration of cloud services (AWS, Azure, GCP) and DevOps tooling.

Role Description We're building the next generation of e-commerce, creating entirely new ways for shoppers to discover products. As an engineer in the Agent Tools team, you will build the products that turn advanced AI models into real, usable e-commerce experiences. The team develops dashboards to configure and manage AI models, as well as reusable UI libraries that enable customers to easily integrate AI-powered discovery features into their storefronts. Working closely with core AI/ML teams, you’ll help deliver scalable, configurable solutions that enhance the shopper journey and redefine how products are discovered online. Qualifications - Strong proficiency with React and Typescript - Experience with automated testing frameworks, e.g., Playwright - Knowledge of API design and integration patterns - Backend experience using any popular framework (preferably Python ones) - Understanding of containerization (Docker) and cloud deployment workflows - Excellent communication and collaboration skills - Experience working in remote environments Requirements - Ability to launch and maintain multiple services that enable other teams to build features on top of them - Excellent communication and collaboration skills are essential, as you’ll work closely with multiple teams to coordinate efforts and ensure smooth cross-functional delivery - Experience with infrastructure is a plus, as we’ll be building new systems to support a growing portfolio of AI-related offerings Benefits - 🏝️ Unlimited vacation time - we strongly encourage all employees to 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 - refreshed each year for every employee - 👪 Maternity & Paternity leave for qualified employees - 🧠 Work with smart people who will help you grow and make a meaningful impact - 💵 Base salary: $80k–$120k USD, depending on knowledge, skills, experience, and interview results - 📈 Stock options - offered in addition to the base salary - 🎉 Regular team offsites to connect and collaborate Company Description Constructor 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. 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.

Role Description This role provides the opportunity to shape the user experience of a core product used by millions every day. You will design, develop, and deliver full-stack solutions that simplify content sharing, improve user engagement, and directly impact key business metrics. Working closely with product managers, designers, and analysts, you will translate user needs into scalable software solutions while balancing technical quality and business impact. The position offers a collaborative environment where innovation, mentorship, and continuous improvement are highly valued. You will also contribute to building internal tools, supporting your team, and participating in the on-call rotation to ensure reliable service. This is a high-impact role where your work will enhance both sender and receiver experiences across platforms. - Design, build, and maintain scalable full-stack applications that reach millions of daily users - Collaborate with product, design, and analytics teams to understand user needs and develop effective solutions - Plan and execute short- and long-term roadmaps, balancing business impact, user experience, and technical quality - Mentor fellow engineers, provide code reviews, and contribute to a culture of continuous learning and improvement - Develop and improve internal tools and processes to support engineering productivity - Participate in on-call rotation to ensure continuous service reliability and responsiveness Qualifications - 5+ years of professional experience in software engineering or equivalent technical experience - BS, MS, or PhD in Computer Science, related technical field, or equivalent hands-on coding experience - Proven experience developing and deploying large-scale web applications with a user-focused approach - Proficiency in building both user-facing software and backend systems, handling full-stack projects efficiently - Strong coding skills in relevant technologies and frameworks for web and desktop systems - Preferred: experience with MySQL, Python, Go, React, Typescript, or contributions to open-source projects Benefits - Competitive salary ranging from $163,200 to $248,400 USD depending on US region and experience - Opportunity to work on high-impact projects used by millions of users worldwide - Collaborative, inclusive, and mentorship-driven engineering environment - Professional development opportunities through involvement in innovative initiatives - Participation in a team culture emphasizing technical excellence, code quality, and continuous learning - Flexibility to contribute to internal tools and processes that improve overall engineering effectiveness

• Leading and rapidly building end-to-end features from scratch for Loopio’s web platform • Proactively build technology to prevent bugs as they come up, because you can’t stand crappy software • Interact with and gather detailed feedback from our customers because you understand that creating a user-centric experience comes first • Collaborate closely with our Product Managers and Product Designers in an agile environment to bring features to life and iterate on them based on our customers' feedback • Mentor and coach others, providing technical guidance and helping build an environment of knowledge-sharing and encouraged feedback • Contributing to Loopio’s AI roadmap by helping evaluate third-party models, optimising LLM integration patterns, and defining technical guidelines for AI-powered features. • Comfortable leading technical design discussions and facilitating technical decision making. Experience as a technical lead is a bonus!