Senior Full Stack Engineer

Job not on LinkedIn

🕒 July 28

🇪🇸 Spain – Remote

💵 $80k - $110k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 3%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Constructor

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2015

☁️ SaaS

🤖 Artificial Intelligence

🛍️ eCommerce

💰 $25M Series B - Constructor on 2024-06

SaaS • Artificial Intelligence • eCommerce

Constructor is an AI-native, API-first platform that provides product search and discovery solutions optimized for e-commerce. The company offers a commerce reasoning engine and a suite of features — search, autosuggest, personalized recommendations, AI shopping agents, attribute enrichment, retail media, and cross-channel discovery — to help retailers and enterprises deliver personalized discovery experiences across onsite and offsite touchpoints. Constructor positions itself as a specialist in product discovery for both B2C and B2B retail, integrating with existing tech stacks and emphasizing transparent, explainable AI for merchandising and conversion optimization.

📋 Description

• Develop customer dashboard features using TypeScript and React. These features will interact with our backend services, which are built with Python and FastAPI. • Participate in brainstorming sessions to develop new features and tools that will shape the future of Offsite Discovery. • Work with both technical and non-technical business partners to develop and update application functionalities. • Keep stakeholders, both inside and outside the team, informed about project progress and developments.

🎯 Requirements

• Strong foundation with client-side JavaScript, computer science background & familiarity with networking principles. • Solid experience with TypeScript and frontend frameworks like React. • Experience building, maintaining, and debugging full-stack web applications. • Experience with Python and one of the backend frameworks like FastAPI, Flask or Django, or willingness to learn and work with this stack. • Good understanding of API design principles. • Familiarity with Service-Oriented Architecture (SOA). • Experience 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, GCP. • Experience collaborating in cross-functional teams. • Excellent English communication skills.

🏖️ Benefits

• 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 • Regular team offsites to connect and collaborate