# Senior AI Engineer - Freelance

> Netguru · Poland (Remote) · Contract · Posted 2026-06-18

**Salary:** EUR 5,200–7,770

**Workplace:** remote

**Department:** NTG Freelancer

## Description

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

**How freelancing works at Netguru?**

As a , you can choose what works well for you. You decide when, where, and how you work on projects and tasks.

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

We are looking for 2 **Senior AI Engineers** for 2 different roles**.**

**Location:** European Union

**Engagement:** around 6 months; full-time

**Contract type:** B2B only

**Salary rate:** 60–65 USD/hour

## Requirements

**Common for both roles:**

-   **English working proficiency**.

-   Experience **designing** **production AI systems end-to-end**, from requirements to deployment.
-   Ability to independently propose architectures, evaluate tradeoffs, refine requirements with PMs, and drive implementation with limited supervision.
-   Real orchestration-framework experience **(LangGraph/ LangChain)**.
-   **Strong evaluation experience:** previous experience in building and maintaining production evaluation frameworks, including creation of golden datasets, offline evaluations, online quality monitoring, and LLM-as-a-judge approaches.
-   Ability to define evaluation strategies, measure regressions, and make engineering decisions based on evaluation results.
-   **Production observability for AI**: tracing, prompt/output logging, eval pipelines, guardrail and latency metrics **(Arize/ Braintrust/ LangSmith)**.
-   MCP/ OpenAI/ A2A/ Amazon Bedrock/ AgentCore.
-   Domains: agentic workflows, MCP servers, Skills, retrieval, conversational agents.

**Specific for Role 1:**

-   **Deep experience building and running multi-agent systems in production**: multi-agent orchestration, agent-to-agent communication, tool and MCP integration, and human-in-the-loop patterns under real latency and cost constraints.
-   **Comfortable designing orchestration and evaluation approaches, not just implementing within them.**

**Specific for Role 2:**

-   **Solid knowledge of conversational LLM systems** (prompt design, structured outputs, completion logic) **and of instrumenting them in production**: tracing and span attributes, latency and token monitoring, online evals (deterministic plus LLM-as-judge).
-   **Strength in structured-output reliability and observability under real latency constraints.**
-   Plus: experience with voice or real-time agents (STT/TTS, turn detection) and vision-language tasks

## Benefits

### In return, we offer:

-   **Flexibility:** 100% remote work.
-   **Professionality:** dev-friendly processes, like Continuous Integration and Code Review, work in line with Agile methodology.
-   **Diversity:** projects from various industries like fintech, healthcare, insurance, or education.
-   **Growth:** work with a team of experts and continuous development of your hard and soft skills.
-   **Knowledge:** knowledge sharing sessions, internal knowledge base.

Curious to learn more about working as a Netguru freelancer? All the information you need is here: [Netguru Talent Marketplace](https://www.netguru.com/join-talent-marketplace).

In case of questions, drop us a line at [jobs@netguru.com](https://jobs@netguru.com)!

If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.

## Apply

[Apply at Netguru](https://apply.workable.com/netguru/j/944CF62F67/apply)

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