Senior Backend Engineer – Search Features, APIs

🔥 0 minutes ago

🇺🇸 United States – Remote

💵 $80k - $120k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

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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

• Own the design and delivery of features and components in the team's services • Design and evolve public API endpoints with backward compatibility in mind • Contribute to architecture discussions • Improve performance and reliability by identifying latency and failure hotspots, adding observability, and fixing issues • Participate actively in design and code reviews • Mentor mid-level engineers • Work with product, solutions/support, and other engineering teams to understand customer needs and develop technical solutions • Participate in on-call for owned systems • Lead incident response and follow-through when systems fail

🎯 Requirements

• Solid experience building and operating backend services in production, ideally high-traffic or low-latency services • Extensive Python knowledge • Hands-on experience with observability, including metrics, logs, and traces • Experience debugging performance issues in live systems • Experience designing and evolving public APIs used by external customers • Experience designing and implementing scalable service-oriented architectures • Track record of delivering projects end to end, including leading small efforts with other engineers • Clear written communication for design docs, RFCs, and postmortems • Good judgment about trade-offs and scope • Comfort with ambiguity and loosely defined problems • Ownership extending to system behavior in production • Experience with AWS • Background in search, ranking, information retrieval, or e-commerce product discovery • Exposure to AI/LLM-facing infrastructure such as MCP or agent tooling

🏖️ Benefits

• Unlimited vacation time; employees strongly encouraged to take at least 3 weeks per year • Fully remote work; choose where you live • Work from home stipend • Apple laptops provided for new employees • Training and development budget for every employee, refreshed each year • Maternity and paternity leave for qualified employees • Stock options offered in addition to base salary • Regular team offsites • Opportunity to work with smart people and make a meaningful impact

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