Agent Platform Engineer

Similarweb LTD; United States; Hybrid; USD 140,000 - 190,000; Full time

Job summary

Similarweb is building AI Studio to give users instant answers to complex market research questions, generate reports, and power live dashboards. This role focuses on designing and developing LLM-based agents that integrate diverse tools and data sources.

You will collaborate with product, data, and UX teams, continuously improve model performance, and help scale AI solutions across a global customer base.

Qualifications

• 5+ years of software engineering experience with Python.
• Experience with LangGraph, LangChain, or similar AI frameworks.
• Strong understanding of LLMs, prompt engineering, and AI agent architectures.
• Familiarity with REST APIs and external data sources.

Responsibilities

• Design and develop LLM-based intelligent agents for market research queries.
• Use LangGraph and other frameworks to build AI agents.
• Implement integrations for automated user actions.
• Collaborate with product, data, and UX teams to align AI with goals.
• Continuously evaluate AI model performance for quality results.

Skills

Python

LangGraph

LangChain

LLMs

REST APIs

AWS

Tools

AWS

Job description

At Similarweb, we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online.

Our unique data and solutions empower thousands of customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies.

In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside Similarwebbers across the globe who are bright, curious, practical and good people.

Why is this role so important at Similarweb?

As an Agent Platform Engineer at SimilarWeb, you will be a key player in building our new AI platform, AI Studio. This platform aims to provide users with instant answers to complex market research questions, generate world-class reports, and create live, interactive, and powerful dashboards. Our goal is to reduce the complexity and time-to-insight for our users, helping them streamline their market tasks and achieve automation that drives real value.

So, what will you be doing all day?

• Design and develop LLM-based intelligent agents that can handle complex market research queries.
• Utilize LangGraphand 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.

This is the perfect job for someone who:

• 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.

Why you’ll love being a Similarwebber:

You’ll actually love the product you work with:

Our customers aren’t our only raving fans. When we asked our employees why they chose to come work at Similarweb, 99% of them said “the product.” Imagine how exciting your job is when you get to work with the most powerful digital intelligence platform in the world.

You’ll find a home for your big ideas:

We encourage an open dialogue and empower employees to bring their ideas to the table. You’ll find the resources you need to take initiative and create meaningful change within the organization.

We offer competitive perks & benefits:

We take your well‑being seriously, and offer competitive compensation packages to all employees. We also put a strong emphasis on community, with regular team outings and happy hours.

You can grow your career in any direction you choose:

Interested in becoming a VP or want to transition into a different department? Whether it’s Career Week, personalized coaching, or our ongoing learning solutions, you’ll find all the tools and opportunities you need to develop your career right here.

Diversity isn’t just a buzzword:

People want to work in a place where they can be themselves. We strive to create a workplace that is reflective of the communities we serve, where everyone is empowered to bring their full, authentic selves to work. We are committed to inclusivity across race, gender, ethnicity, culture, sexual orientation, age, religion, spirituality, identity and experience. Our culture of equality and mutual respect also helps us better understand and serve our customers in a world that is becoming more global, more diverse, and more digital every day.

We will handle your application and information related to your application in accordance with the Applicant Privacy Policy available here.