Senior Backend Engineer, Shopping Agents

Job not on LinkedIn

🕒 October 19

🇵🇱 Poland – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 15%

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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Fusion AI Labs

WebsiteLinkedInAll Job Openings

11 - 50 employees

💼 Consulting

🏥 Healthcare

📦 Logistics

Consulting • Healthcare • Logistics

Fusion AI Labs is a technology company specializing in web and mobile app development, brand building, and artificial intelligence solutions. Their services encompass AI agent development, workflow automation, and chatbot creation, designed to enhance customer interactions and streamline business processes. With a commitment to innovation and excellence, Fusion AI Labs offers tailored solutions in areas such as enterprise resource planning, financial management, and customer relationship management.

📋 Description

• Own architecture, code, deploys, monitoring, and on-call for systems that transact around the clock • Build and operate checkout agents using frontier-model computer-use agents driving live checkouts at scale • Make checkout-agent failures rare and recovery automatic across changing retailer systems • Scale product ingestion from hundreds of sources to thousands • Build infrastructure that generates, validates, and monitors product ingestion • Develop search and ranking systems using embedding-based retrieval, LLM query understanding, reranking, and caching • Work directly with the CTO

🎯 Requirements

• 5+ years building backend and infrastructure systems • Strong Python skills • Experience owning production systems end to end, including deploys, databases, observability, and on-call • Ability to address systemic causes rather than isolated incidents • Ability to work on adversarial systems • Strong focus on correctness for systems handling customer payments • Ability to work without a finished specification in a changing roadmap • Nice to have: experience building AI-first products or LLM-based agents in production • Nice to have: working knowledge of classic machine learning and deep learning • Nice to have: background in e-commerce, payments, or fraud and risk infrastructure

🏖️ Benefits

• Remote work arrangement • Full-time employment