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Meta

Integrity Science Engineer

Meta · Facebook, Security, Software Engineering, Technical Program Management, Artificial Intelligence, Client Solutions, Engineering, IT, Privacy, Technical Security

London

Mid-level

SoftwareJavaPHPPythonSQL

Last seen just now

Posted
1mo ago

Posted on 24 September 2026

Workplace
Not specified

Work model not stated

Salary
Not disclosed

Salary range not shared by the company

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Listing history No signals observed

First seen 24 Sept 2026. Last checked 12 Nov, 03:17 UTC. We read each employer's own career page on a cycle and record what changes; this is what we observed, not a verdict on the role.

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Dive into the world of big data and trend analysis to solve complex problems and improve Meta community experiences! Learn how to scale and automate abuse detection processes.

We are looking for engineers with extensive experience investigating and analyzing online abuse, and actively implementing countermeasures. Our focus on data analysis and machine learning as well as our knowledge of the robust infrastructure of our back-end systems allows us to collaborate seamlessly with engineering, data science, and operations teams to build tools and techniques necessary to enforce content quality at scale. Integrity Scientists have the opportunity to work on many of the most challenging, complicated, and high-visibility integrity risks the company faces. Our work impacts the billions of people who use Meta products. The potential for impact with this work is substantial, as outcomes could affect the billions of people who use our products.

Successful candidates for this team have a track record of identifying issues and proactively implementing solutions and experience identifying patterns in large, unstructured datasets, making quick decisions, and are comfortable iterating based on new data and adjusting approaches when initial hypotheses are disproven.Responsibilities

Identify and investigate online bad actors with the interest and capability to target Meta and its users

Work closely with others to identify sources of abusive behavior and take countermeasures to stop abuse

Lead technical investigations from start-to-finish and effectively communicate actionable results to different audience types

Manage multiple projects at once while prioritizing time based on team priorities

Minimum Qualifications

BA/BS in Computer Science, Math/Finance, Physics, Applied Economics, Statistics or other technical field

Experience investigating and acting on high-impact threats and online threat actors

Experience with relational databases and SQL

Experience thinking critically and qualifying assessments with solid communications skills

Experience coding in at least one of the following: PHP, Python, or Java

Preferred Qualifications

Familiarity with cross-platform integrity threats

Proven track record of managing and executing on short term and long term projects

Experience prioritizing and executing with minimal direction or oversight

Advanced degrees in Computer Science, Math/Finance, Physics, Applied Economics, Statistics or other technical field

Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)

Experience in adversarial space like fraud and spam

Experience working across the broader integrity/security/Trust & Safety community

Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies

Demonstrated understanding of security and integrity risks, and how they apply to Meta and its users

Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)

About Meta

Meta concentrates its European engineering in Dublin, London and Paris, working on infrastructure, AI and core product. Headcount has been volatile since 2022, so treat the size of the board as a snapshot rather than a trend.

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