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AI Researcher - Post-Training

SonarLondonData & Agentic
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Salary
Not listed
Job type
Employee / Full-Time
Posted
5 Aug 2026
Status
Open · checked 7d ago

About this role

Role Overview

Sonar is seeking an ambitious senior researcher to join the Data and Agentic team in London on a full-time employee basis. This role focuses on innovating and developing next-generation solutions to build enterprise-grade coding agents and models by combining static analysis with large language model post-training techniques.

Key Responsibilities

Design and develop next-generation solutions for enterprise-grade coding agents and models.
Combine static analysis experience with leading techniques in large language model post-training.
Engage in hands-on research using state-of-the-art methodologies.
Build practical solutions that deliver high impact for enterprise customers.
Collaborate closely with an innovative, cross-disciplinary team of researchers and engineers.

Requirements

Professional background as a senior researcher with expertise in large language model post-training.
Experience working with static analysis or a strong interest in combining it with LLM techniques.
Eagerness to be hands-on with state-of-the-art research and build practical, customer-focused solutions.
Ability to work effectively within a fast-paced, collaborative team environment.

Skills and Tools

Large language model post-training techniques
Static analysis methods
Agent-centric software development concepts

About the Company

Sonar leads the future of agent-centric software development, offering AI code verification and governance solutions that ensure software generated by AI or autonomous agents remains reliable, secure, and maintainable. The organization integrates with popular tools like Claude Code, Codex, Cursor, GitHub Copilot, Gemini, and Devin, serving over 75 percent of the Fortune 100. Prominent global enterprises such as Nvidia, ServiceNow, Booking.com, Goldman Sachs, AstraZeneca, and Ford Motor Company rely on flagship products including SonarQube, SonarQube Foundation Agent, SonarSweep, and Sonar Context Augmentation. Operating globally with hubs in Austin, Bochum, Dubai, Geneva, London, Singapore, Tokyo, and Washington D.C., Sonar generates over $400 million in revenue with profitable, fast-paced growth under its core CODE mindset: Committed to customers and community, Obsessed with quality, Deliberate in decisions, and Effective as one team.

How to Apply

Interested candidates should visit the official Sonar company careers page to submit their application for this position.

Questions candidates ask

What is the location of the AI Researcher - Post-Training role?

The position is based in London, UK, as an on-site or office-aligned role within Sonar's London hub.

What employment type is this job?

This is a full-time employee position within the Data and Agentic department.

What primary expertise is required for this role?

Candidates need experience in large language model post-training and an understanding of, or background in, static analysis.

What does Sonar specialize in?

Sonar specializes in AI code verification and governance, helping organizations ensure that AI-generated software is reliable, secure, and maintainable.

How should I apply for this position?

You can apply by visiting the official Sonar company careers website.

Ready to apply?

The application is on the official Sonar careers page.

Apply on company site