# Senior Software Security Engineer

**Company:** [GitLab](https://hotfix.jobs/companies/gitlab)
**Location:** Remote
**Role:** Security Engineering
**Salary:** $139k – $196k/yr
**Experience:** 5+ years
**Skills:** Ruby, Ruby on Rails, GCP, AWS, AI, LLMs
**Posted:** 2026-07-21

> Senior engineer on Trust and Safety team building and maintaining abuse prevention systems, anomaly detection, and agentic AI tools for the GitLab SaaS platform. Requires strong Ruby/Rails software engineering background; security experience preferred but not required.

## Job Description

## What you’ll do

- Maintain core abuse prevention systems and build new abuse detection rules to identify and prevent evolving platform abuse such as spam, AI/token, SEO optimization/redirects and other financially motivated abuse campaigns.
- Become a core maintainer for our in-house abuse platform (Ruby on Rails monolith) and be comfortable supporting and building new features for the platform.
- Improve and expand agentic AI capabilities in our abuse mitigation tools, including improving multi agent reasoning decision patterns with a target to reduce HITL operational load.
- Lead collaboration with peer engineering teams to deliver safety improvements for the GitLab product.
- Resolve automation gaps and create efficient, automated processes.
- Create and maintain documentation such as runbooks and procedures.

## What you’ll bring

- Strong software development skills with experience in Ruby/Rails.
- Experience working on distributed applications with large codebases and deployed in cloud environments strongly preferred.
- Passion/desire to proactively develop security engineering skills.
- Comfortable working in an all remote environment where results and impact matter above hours worked.
- Strong experience with cloud native development (Google Cloud Platform (GCP) and/or AWS).
- Interest in “thinking like a hacker” and defending against attacks with an “automation first” mindset.
- Interest in handling trust and safety security incidents and collaborating with engineering to harden platform defenses to combat abuse campaigns.
- Experience working on an AI native development team maintaining teams of agents and acting as a code reviewer and experience abstracting your role away from writing code for most cases.

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**Apply:** https://hotfix.jobs/jobs/bd83bbb8-d7c1-42bd-811f-3cdd8a53d7ca
**Canonical:** https://hotfix.jobs/jobs/bd83bbb8-d7c1-42bd-811f-3cdd8a53d7ca