AI Engineer

2 weeks ago

Prague, Czech Republic OnHires Full time

Client: Instantly.ai — a fast-growing SaaS startup in AI-powered outbound automation (35,000+ B2B users worldwide). Location: Remote (preferably Europe) Engagement: Full-time Language: English (working proficiency required)About the productInstantly SuperSearch is an AI-driven engine for lead discovery and enrichment. The team is now looking for a hands-on AI Engineer to own and evolve the AI infrastructure behind the product — from multi-agent architectures to LLM-based workflows using LangGraph and LangChain.This is a strategic role with real ownership, ideal for someone who enjoys building fast, experimenting with cutting-edge tools, and working at the core of a modern AI product.Key Requirements: Experience building AI-powered features in real-world applications (MVPs or production); Strong expertise in prompt engineering and working with LLMs in production; Fluency in Python and JavaScript (Node.js + React.js); Hands-on experience with OpenAI, Claude, or other LLM APIs; Proficiency in LangChain and/or LangGraph: agents, chains, memory, tools, workflows; Startup mindset — autonomous, fast-moving, and impact-driven; Product thinking — understands business implications of tech decisions. Nice to have: Experience or strong interest in outbound/email automation, sales tech, or lead generation; Understanding of semantic search, embeddings, agent orchestration, and RAG pipelines. Responsibilities: Build and optimize AI-powered features inside the core platform; Design and refine LangGraph workflows and multi-agent architectures; Experiment with the latest tools, models, and agent frameworks; Collaborate with backend and frontend engineers to deliver seamless integrations; Contribute to product ideation, iteration, and roadmap development; Take ownership of performance, scalability, and maintainability of AI components. What the company offers: Opportunity to work with a high-impact AI product used by 35K+ B2B companies; Full ownership of mission-critical AI workflows and architecture; Rapid iteration cycles, minimal bureaucracy, and freedom to experiment; Competitive compensation (base + potential equity); Remote-first team, async-friendly culture, flexible hours; Growth opportunities within a global SaaS company. Hiring process: 30-minute screening call with our technical recruiter (agency); Short take-home challenge (~1 hour); Interview with Instantly’s AI & Automation Team Lead; Live coding and technical deep-dive; Final cultural/values interview with the leadership team.

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