Principal Machine Learning Engineer I

Posted 2 Days Ago
Be an Early Applicant
Hiring Remotely in México
Remote
Expert/Leader
Information Technology • Legal Tech • Professional Services • Analytics • Business Intelligence
The Role
Design, build, and maintain production-grade ML systems for large-scale legal NLP datasets. Develop and orchestrate ML/AI agents, prototype solutions, collaborate with cross-functional teams, and work with legal data annotators to improve data quality and drive product-focused outcomes.
Summary Generated by Built In

Would you like to shape how advanced AI and machine learning are applied to real‑world legal and business challenges?
Are you excited to work hands‑on with large‑scale data and modern AI systems in a collaborative, product‑focused environment?

 

About our Team
LexisNexis Legal & Professional, which serves customers in more than 150 countries with 11,800 employees worldwide, is part of RELX (http://www.relx.com), a global provider of information‑based analytics and decision tools for professional and business customers. Our company has been a long‑time leader in deploying AI and advanced technologies to the legal market to improve productivity and transform the overall business and practice of law, deploying ethical and powerful generative AI solutions with a flexible, multi‑model approach that prioritizes using the best model from today’s top model creators for each individual legal use case. The company employs over 2,000 technologists, data scientists, and experts to develop, test, and validate solutions in line with RELX Responsible AI Principles.
 

About the Role
As a Principal ML Engineer, you will contribute to new product development by designing and delivering production‑ready machine learning solutions. You will work closely with cross‑functional partners to turn complex data and customer problems into scalable, high‑impact products. This role combines hands‑on engineering with collaboration in a fast‑moving, product‑driven environment.
 

Responsibilities
 

  • Design, build, and maintain production‑grade machine learning systems
  • Develop and orchestrate advanced agents in run‑time and build‑time environments
  • Explore, extract, and model knowledge from large‑scale natural language datasets
  • Build data‑driven solutions addressing high‑value customer problems
  • Prototype and evaluate new ideas and approaches quickly
  • Collaborate with data scientists, product designers, data engineers, and front‑end developers
  • Work with expert legal data annotators to improve data quality and outcomes

Requirements

  • Strong experience building and deploying machine learning solutions in production
  • Hands‑on expertise working with large‑scale natural language data
  • Ability to design and orchestrate modern ML or AI agents
  • Experience translating complex problems into data‑driven solutions
  • Strong collaboration skills across technical and non‑technical teams
  • Comfort working in an agile, start‑up‑style environment within a larger organization

Work in a Way That Works for You
We promote a healthy work/life balance across the organisation. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long‑term goals.

Working Pattern
Working flexible hours – flexing the times when you work in the day to help you fit everything in and work when you are the most productive.

Working for You
We know that your well‑being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:

  • Private Medical/Dental Plan
  • Savings Fund
  • Life Insurance
  • Meal/Grocery Voucher

About the Business
LexisNexis Legal & Professional® provides legal, regulatory, and business information and analytics that help customers increase their productivity, improve decision‑making, achieve better outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis® and Nexis® services.

We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location.

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

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Please read our Candidate Privacy Policy.

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.

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EEO Know Your Rights.

Skills Required

  • Strong experience building and deploying machine learning solutions in production
  • Hands-on expertise working with large-scale natural language data
  • Ability to design and orchestrate modern ML or AI agents
  • Experience translating complex problems into data-driven solutions
  • Strong collaboration skills across technical and non-technical teams
  • Comfort working in an agile, start-up-style environment within a larger organization

LexisNexis Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about LexisNexis and has not been reviewed or approved by LexisNexis.

  • Healthcare Strength Healthcare options are often described as comprehensive, spanning medical, dental, and vision coverage alongside life and disability protection. Wellbeing programming such as wellness initiatives and fitness support is also positioned as part of the overall package.
  • Retirement Support Retirement benefits are repeatedly framed as a meaningful component of total rewards through 401(k) matching and access to stock purchase opportunities. Performance bonuses and charitable matching are also included as financial-support features within the broader rewards mix.
  • Leave & Time Off Breadth Time-off offerings are portrayed as broad, including PTO, paid holidays, sick leave, and paid volunteer time. Flexible work arrangements, including remote options and flexible hours, further strengthen the overall rewards experience.

LexisNexis Insights

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The Company
HQ: New York City, NY
10,001 Employees
Year Founded: 1970

What We Do

LexisNexis Legal & Professional is a leading global provider of legal, regulatory and business information and analytics that help customers increase productivity, improve decision-making and outcomes, and advance the rule of law around the world. We help lawyers win cases, manage their work more efficiently, serve their clients better and grow their practices. We assist corporations in better understanding their markets, monitoring their brands and competition, and in mitigating business risk. We collaborate with universities to educate students, and we support nation-building with governments and courts by making laws accessible and strengthening legal infrastructures. We partner with leading global associations and customers to collect evidence against war criminals and provide tools to combat human trafficking. LexisNexis Legal & Professional, which serves customers in more than 130 countries with 10,000 employees worldwide, is part of RELX Group, a global provider of information and analytics for professional and business customers across industries.

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