Senior Applied AI Engineer

🕒 September 3

🇫🇷 France – Remote

⏰ Full Time

🟠 Senior

🤖 AI Engineer

👻 Ghost score 16%

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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lemlist

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2018

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

lemlist is a comprehensive cold outreach platform that provides tools designed to help businesses reach their target audiences effectively. It includes features for email outreach, personal branding on LinkedIn and Twitter, lead generation, and seamless meeting booking. With its innovative solutions like email warm-up services and personalized content creation, lemlist empowers companies to enhance their reach and engagement, driving customer acquisition and building strong personal brands.

📋 Description

• Build reliable production AI products from raw LLM capabilities • Work on agent orchestration, context engineering, memory management, retrieval, and evaluation • Collaborate with software engineers and product teams • Optimize quality, latency, and cost trade-offs • Own the evaluation and guardrails system for reliability and safety • Own the context engineering system • Identify and implement opportunities to continuously improve the AI product • Help develop lemlist’s AI-native agentic system for prospecting and pipeline generation

🎯 Requirements

• 10+ years of experience in software development or data science, engineering production systems using modern programming languages • Deep knowledge of LLM architecture, prompting, context engineering, and vector database workflows • Hands-on experience building agentic systems, using orchestration frameworks (e.g., LangGraph, Agno, Mastra, custom), and running evaluations • Entrepreneurial experience is a real plus • Entrepreneurial mindset; proactive, resilient, and accountable • User-centric approach and enthusiasm for real-world AI product impact • Deep curiosity for the AI space • Comfort working in a high-speed, high-ambiguity environment • Experience improving agentic coding tool setup (Claude Code, Codex, etc.)