Principal Software Engineer, Infrastructure and Integrity

Meta — United Kingdom · Posted ~3 hours ago

Lead Full-time

Skills

Software engineering Distributed systems Infrastructure engineering System design Artificial intelligence Technical leadership Security engineering Problem solving Machine learning Security systems

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Summary ✨ AI‑Generated

A globally recognized technology organization is seeking a principal-level infrastructure engineer to develop scalable systems that identify and mitigate complex safety risks. The role combines advanced AI capabilities, robust software engineering, and technical leadership to address emerging threats affecting large online communities. Candidates should bring exceptional engineering fundamentals, strong architectural judgment, and a passion for building impactful solutions.

Highlights

Work on globally impactful safety systems at massive scale, combining advanced AI with challenging infrastructure engineering. Contribute to high-priority initiatives protecting users, tackle emerging threats, and help shape technical strategy within a mission-driven engineering organization.

Description

Meta is seeking talented principal engineers to join our Central Integrity team, which exists to keep billions of people safe on Meta's platforms. We design and deploy systems that detect and disrupt harm at an unprecedented global scale, making this one of the largest deployments of AI for positive real-world impact anywhere in the industry. Our work safeguards critical areas, including child and youth safety, fraud and scams, identity and authenticity, and more, while actively building defenses against novel frontier threats, such as autonomous AI agents and automated risk vectors. This represents some of the most technically demanding and high-stakes engineering and product at Meta, driven by a deeply mission-focused team. You'll combine strong engineering fundamentals with cutting-edge AI to build effective, adaptable solutions that stay ahead of evolving integrity and safety risks. If you are driven by hard technical challenges and want your work to deliver immediate, real-world impact, this is the right role for you. Software Engineer, Infrastructure (Technical Leadership) Responsibilities: Drive the team's goals and technical direction to pursue opportunities that make your larger organization more efficient.Effectively communicate complex features and systems in detail.Understand industry and company-wide trends to help assess and develop new technologies.Partner and collaborate with organization leaders to help improve the level of performance of the team and organization.Identify new opportunities for the larger organization and influence the appropriate people for staffing and prioritizing these new ideas.Lead long-term technical vision and roadmap for large cross-company efforts.Suggest, collect and synthesize requirements and create an effective feature roadmap.Identify and resolve performance and scalability issues, and drive large efforts to reduce technical debt. Minimum Qualifications: Experience mentoring/influencing executive stakeholders across organizationsExperience utilizing data and analysis to explain technical problems and provide detailed feedback and solutionsExperience driving large cross-functional, industry-wide engineering effortsExperience communicating and working across functions to drive solutionsProven track record of planning multi-year roadmaps in which short-term projects ladder to the long-term mission Preferred Qualifications: Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies8+ years relevant experience building large-scale infrastructure applications or similar experienceExperience improving quality through thoughtful code reviews, appropriate testing, proper rollout, monitoring, and proactive changesExperience in programming languages such as C, C++, or Java, and scripting languages such as Python, JavaScript, or Hack About Meta: Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today—beyond the constraints of screens, the limits of distance, and even the rules of physics. Individual compensation is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base hourly rate, monthly rate, or annual salary only, and do not include bonus, equity or sales incentives, if applicable. In addition to base compensation, Meta offers benefits. Learn more about benefits at Meta.