Sales Engineer (EMEA)

About Us Constructor.io powers product search and discovery for some of the largest retailers in the world. We serve billions of requests every week, and you've probably seen our results somewhere and used our product without knowing it. We differentiate ourselves by focusing on metrics over features, and reinventing search and discovery from the ground up as a machine learning challenge with the specific goal of improving metrics like revenue. We're approximately doubling year over year despite the market slow down and have customers in every eCommerce vertical. We're a passionate team of technologists 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 think is best can lead to great things.   Role Overview As a Sales Engineer, you will lead the technical components of the sales process. You will partner closely with Account Executives and prospective customers to design integration approaches, evaluate technical fit, and demonstrate how Constructor’s platform drives measurable business impact. This role combines technical architecture design, consultative discovery, and cross-functional collaboration. You will act as a bridge between customer engineering teams and Constructor’s Product and Engineering teams. This is not a demo-heavy role. Account Executives perform the majority of demonstrations at Constructor. This role requires architectural thinking, integration planning, and consultative problem-solving.     Key Responsibilities Technical Sales & Solution Design • Lead technical discovery and solution design for prospective customers • Design and document integration architectures (APIs, ecommerce platforms, PIM, CMS, data pipelines) • Develop and support tailored Proof Schedules (lightweight POCs) • Deliver technical presentations to both business and technical stakeholders • Serve as primary technical advisor during evaluation cycles • Troubleshoot and triage APIs, SDKs, and integration patterns • Willingness to tinker and build demo prototypes and tooling • Build and present compelling custom technical demonstrations and integration blueprints tailored to each sales opportunity • Support RFP and RFI responses Cross-Functional Collaboration • Partner with Product and Engineering to surface prospective customer feedback to influence product roadmap and integration strategy • Contribute insights to the roadmap and the go-to-market strategy • Support enablement and training for sales teams • Help refine documentation, processes, and best practices within the SE function Market & Industry Engagement • Stay current on ecommerce trends, AI/ML advancements, and the competitive landscape • Represent Constructor in prospect meetings, partner engagements, field events, and other industry engagements • Build strong relationships with prospective customer technical stakeholders (architects, engineers, delivery teams)     Required Qualifications & Skills • 3+ years of experience in technical Solutions Engineering, Sales Engineering, Pre-Sales Architect, or Technical Pre-Sales roles • Deep hands-on experience with API-first platforms: comfortable working directly with REST APIs, JSON data structures, webhooks, and SDK integration patterns, and able to troubleshoot them with Postman or similar tools • Working knowledge of JavaScript, TypeScript, Python, or similar languages, enough to read integration code, debug client-side implementations, and build lightweight prototypes or demo tooling • Experience designing and running custom demos or pilots with clear, business-aligned success criteria • Hands-on experienc