Similarweb

AI Engineer

Similarweb
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12 hours ago
Prague, CzechiaSenior

Responsibilities

  • Design and build the agent runtime, orchestration, state and memory management, and shared agent SDK.
  • Build and operate the tool and connector layer, including MCP servers for internal data, systems, and third-party services.
  • Develop LLM-based agents for internal workflows and convert reusable components into platform capabilities.
  • Implement integrations that enable agents to take automated actions on behalf of users.
  • Build model gateway and governance capabilities.
  • Establish secure-by-default permissioning, data-access boundaries, PII handling, prompt-injection defenses, and audit logging.
  • Evaluate and improve AI model and agent performance, quality, and observability.

Requirements

  • At least 5 years of software engineering experience.
  • Strong proficiency in Python.
  • Hands-on experience with LangGraph, LangChain, or similar AI-agent frameworks.
  • Strong understanding of LLMs, prompt engineering, and AI-agent architectures.
  • Production engineering experience with REST APIs, asynchronous services, external data integrations, containers, and CI/CD.
  • Strong collaboration and communication skills with engineering and non-engineering stakeholders.
  • Preferred: familiarity with LLM providers, vector stores, MCPs, LLM evaluation and observability tooling, LLMOps, RAG systems, AI security and safety, AWS, Kubernetes, and infrastructure-as-code.

Benefits

  • Hybrid work model with 3 days in the office and 2 days working from home.
  • Prague office with snacks, drinks, fruit, and Tuesday lunches.
  • Five weeks of vacation, a birthday day off, three sick days, or Multisport.
  • MacBook Pro M3, dual monitors, and standing desks.
  • Team-building activities, monthly birthday celebrations, baking Thursdays, and happy hours.
  • Equity participation and career growth through leadership paths, team changes, coaching, and learning programs.
Similarweb

About Similarweb

1,001-5,000 employees

Similarweb builds a digital intelligence platform that measures web and app traffic to inform marketing, e-commerce, sales, and investor decisions. It sells subscription-based analytics, research, and APIs spanning market share, audience behavior, benchmarking, and competitive insights for enterprises and agencies. Founded in 2009 and headquartered in New York, Similarweb is a public company on the NYSE (SMWB) and serves customers such as Google, eBay, and Adidas.

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