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Member of Technical Staff - Coding Agents, Post Training - RL, Evals

xAI

Member of Technical Staff - Coding Agents, Post Training - RL, Evals

full-timePosted: Dec 29, 2025

Job Description

About xAI

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

About the Team

The Grok Code Team at xAI focuses on pushing the boundaries of Software Engineering where AI is in the front and centre of the full developer loop.

About the Role

In this role you will:

  • You will build the best in class Coding Agents focussing on building the best in class Software Engineering stack which is AI first and AI native.
  • Work across the LLM stack (reasoning RL, product building, dataset generation, evals) to deliver the best product experience for users.
  • Work closely with the research team and help drive model development and feedback loops to optimise both the model behavior and user experience and satisfaction

Exceptional candidates may have:

  • Experience in developer tooling with AI first mindset for the changing world.
  • Exceptional engineering skills to iterate quickly on the data processing and product features
  • Strong understanding of large language model and how to best leverage them for AI assisted software development
  • Deep knowledge and “taste” in software developer tooling

Location

  • We hire engineers in Palo Alto. Our team usually works from the office 5 days a week but allow work-from-home days when required. Candidates are expected to be located near Palo Alto or open to relocation.

Interview Process

After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 15-minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the initial phone interview, you will enter the main process, which consists of four technical interviews:

  1. Coding assessment in a language of your choice.
  2. 2x post-training technical sessions: These sessions will be testing your ability to formulate, design and solve concrete problems in training data for post-training.
  3. Meet the Team: Present your past exceptional work and your vision with xAI to a small audience.

Our goal is to finish the main process within one week. All interviews will be conducted via Google Meet.

Annual Salary Range

$180,000 - $440,000 USD

xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

Locations

  • Palo Alto, CA,

Salary

180,000 - 440,000 USD / yearly

Skills Required

  • engineering excellenceintermediate
  • strong communication skillsintermediate
  • work ethicintermediate
  • strong prioritization skillsintermediate
  • hands-onintermediate
  • initiativeintermediate
  • Coding assessment in a language of your choiceintermediate
  • post-training technical sessionsintermediate
  • reasoning RLintermediate
  • product buildingintermediate
  • dataset generationintermediate
  • evalsintermediate

Preferred Qualifications

  • Experience in developer tooling with AI first mindset for the changing world. (experience)
  • Exceptional engineering skills to iterate quickly on the data processing and product features (experience)
  • Strong understanding of large language model and how to best leverage them for AI assisted software development (experience)
  • Deep knowledge and “taste” in software developer tooling (experience)

Responsibilities

  • You will build the best in class Coding Agents focussing on building the best in class Software Engineering stack which is AI first and AI native.
  • Work across the LLM stack (reasoning RL, product building, dataset generation, evals) to deliver the best product experience for users.
  • Work closely with the research team and help drive model development and feedback loops to optimise both the model behavior and user experience and satisfaction

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xAI logo

Member of Technical Staff - Coding Agents, Post Training - RL, Evals

xAI

Member of Technical Staff - Coding Agents, Post Training - RL, Evals

full-timePosted: Dec 29, 2025

Job Description

About xAI

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

About the Team

The Grok Code Team at xAI focuses on pushing the boundaries of Software Engineering where AI is in the front and centre of the full developer loop.

About the Role

In this role you will:

  • You will build the best in class Coding Agents focussing on building the best in class Software Engineering stack which is AI first and AI native.
  • Work across the LLM stack (reasoning RL, product building, dataset generation, evals) to deliver the best product experience for users.
  • Work closely with the research team and help drive model development and feedback loops to optimise both the model behavior and user experience and satisfaction

Exceptional candidates may have:

  • Experience in developer tooling with AI first mindset for the changing world.
  • Exceptional engineering skills to iterate quickly on the data processing and product features
  • Strong understanding of large language model and how to best leverage them for AI assisted software development
  • Deep knowledge and “taste” in software developer tooling

Location

  • We hire engineers in Palo Alto. Our team usually works from the office 5 days a week but allow work-from-home days when required. Candidates are expected to be located near Palo Alto or open to relocation.

Interview Process

After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 15-minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the initial phone interview, you will enter the main process, which consists of four technical interviews:

  1. Coding assessment in a language of your choice.
  2. 2x post-training technical sessions: These sessions will be testing your ability to formulate, design and solve concrete problems in training data for post-training.
  3. Meet the Team: Present your past exceptional work and your vision with xAI to a small audience.

Our goal is to finish the main process within one week. All interviews will be conducted via Google Meet.

Annual Salary Range

$180,000 - $440,000 USD

xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

Locations

  • Palo Alto, CA,

Salary

180,000 - 440,000 USD / yearly

Skills Required

  • engineering excellenceintermediate
  • strong communication skillsintermediate
  • work ethicintermediate
  • strong prioritization skillsintermediate
  • hands-onintermediate
  • initiativeintermediate
  • Coding assessment in a language of your choiceintermediate
  • post-training technical sessionsintermediate
  • reasoning RLintermediate
  • product buildingintermediate
  • dataset generationintermediate
  • evalsintermediate

Preferred Qualifications

  • Experience in developer tooling with AI first mindset for the changing world. (experience)
  • Exceptional engineering skills to iterate quickly on the data processing and product features (experience)
  • Strong understanding of large language model and how to best leverage them for AI assisted software development (experience)
  • Deep knowledge and “taste” in software developer tooling (experience)

Responsibilities

  • You will build the best in class Coding Agents focussing on building the best in class Software Engineering stack which is AI first and AI native.
  • Work across the LLM stack (reasoning RL, product building, dataset generation, evals) to deliver the best product experience for users.
  • Work closely with the research team and help drive model development and feedback loops to optimise both the model behavior and user experience and satisfaction

Target Your Resume for "Member of Technical Staff - Coding Agents, Post Training - RL, Evals" , xAI

Get personalized recommendations to optimize your resume specifically for Member of Technical Staff - Coding Agents, Post Training - RL, Evals. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Member of Technical Staff - Coding Agents, Post Training - RL, Evals" , xAI

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Foundation ModelFoundation Model
Quiz Challenge

Answer 10 quick questions to check your fit for Member of Technical Staff - Coding Agents, Post Training - RL, Evals @ xAI.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.