Advanced AI Engineer

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Machine Learning EngineerData

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Overview

Posting Type Hybrid/Remote Poland Job OverviewWHO WE ARE Relativity is a leading legal data intelligence company building technology that helps users organize data, discover the truth,

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Machine Learning EngineerData

Posting Type

Hybrid/Remote Poland

Job Overview

WHO WE ARE
Relativity is a leading legal data intelligence company building technology that helps users organize data, discover the truth, and act on it with confidence. Our AI-powered, cloud platform, RelativityOne, transforms massive volumes of complex information into actionable insights for litigation, investigations, regulatory inquiries, and other high-stakes legal work where accuracy and trust are crucial.
The world’s largest law firms, corporations, and government agencies rely on Relativity’s legal AI software to securely surface and manage the most relevant information in their matters.

WHAT WE DO
At Relativity, engineers do more than write code — they build systems that let users uncover insights from complex data at scale using cloud-native architecture, AI, and modern tools.
The AI Platform group builds the agentic foundation that powers Relativity’s AI products, including aiR Assist and ClaiR. The Agent Harness team owns the runtime that runs our agents: agent orchestration, tool and skill execution, memory, and the protocols that let agents interact with each other and with external systems.

ABOUT THE ROLE
As an Advanced AI Engineer on the Agent Harness team, you will build and extend Relativity’s agent runtime — working hands-on with industry frameworks like LangGraph, LangChain, and Deep Agents and fitting them to Relativity’s needs so every Relativity agent has a solid runtime to build on.
You will help mature the harness with industry-standard capabilities like long-session handling or broader protocol support, so it is ready before ClaiR and aiR Assist multiply agentic traffic, rather than after.
You will contribute to design discussions and turn agreed designs into well-tested, production-ready capabilities that application teams adopt.
You will work in a fast-moving space where agent architecture changes quickly, and grow your depth in agent engineering as you go.

Job Description and Requirements

Responsibilities

~1 min read

Impactful Mission

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Build systems that help customers organize data, discover the truth, and act on it in high-stakes legal matters.

Engineering at Scale

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Work on distributed, cloud-native systems that process large volumes of data.

Cutting-Edge Technology

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Build with AI, cloud platforms, and scalable architectures shaping legal tech.

Growth and Ownership

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Gain experience owning systems end-to-end across cloud and distributed environments.

Collaborative Culture

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Work in a team focused on knowledge sharing and continuous improvement.

Inclusive Environment

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Diverse perspectives create stronger teams and better outcomes.

Compensation and Benefits

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Competitive salary, benefits, DTO, parental leave, and equity program.

What We Offer

~1 min read

This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives.

The expected salary range for this role is between following values:

188 000 and 282 000PLN

The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position.

Algorithms, Artificial Neural Networks (ANNS), Big Data, Computer Vision, Data Science, Deep Learning, Machine Learning (ML), Natural Language, Natural Language Processing (NLP), Software Engineering