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# Agent Platform Engineer

- **Company:** SimilarWeb LTD
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** LangGraph Framework, Artificial Intelligence, Amazon Web Services, Python (Programming Language), Machine Learning, Software Engineering, Systems Integration, Cloud Platform System, Large Language Models, Prompt Engineering, Agentic-AI, Virtual Agents, Restful APIs
- **Published:** October 8, 2026
- **Apply:** https://job-boards.greenhouse.io/similarweb/jobs/8264120

## About the Role

* 5+ years of experience in software engineering, with strong proficiency in Python.
 * Experience with LangGraph, LangChain, or similar frameworks for building AI agents.
 * Strong understanding of LLMs, prompt engineering, and AI agent architectures.
 * Familiarity with REST APIs and integrating external data sources.

Preferred Skills:

 * Familiarity with the AI Agents ecosystem, including different LLM providers, vector store solutions, MCPs, and more.
 * Experience with evaluating LLM performance and quality.
 * Familiarity with cloud environments, especially AWS.

**At Similarweb, collaborating with our colleagues in-office creates a more connected, unified culture. Our best work is a product of our face-to-face collaboration, with the ability to work partially from home.**

## Description

* Design and develop LLM-based intelligent agents that can handle complex market research queries.
 * Utilize LangGraph and other frameworks to create state of the art AI agents that integrate various tools and data sources.
 * Implement integrations that allow agents to take automated actions on behalf of users, streamlining workflows and reducing overhead.
 * Collaborate with product, data, and UX teams to ensure that AI solutions are aligned with user needs and business goals.
 * Continuously evaluate and improve the performance of AI models to ensure high-quality and data-driven results.