Senior Software Engineer, Systems

Meta Platforms, Inc. (Meta), formerly known as Facebook Inc., builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps and services 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. To apply, click “Apply to Job” online on this web page. Senior Software Engineer, Systems Responsibilities

Designing, developing, and maintaining defense infrastructure and applications to ensure the security, integrity, and availability of systems in large-scale.

Developing complex algorithms and data structures to support authentication, authorization, identity provisioning and access management workflows.

Collaborating with PM, cross-functional teams and security experts to identify and mitigate emerging threats and implementing countermeasures to protect against them.

Mentoring and guiding engineers to help them develop their skills and expertise.

Leading complex projects from concept to delivery, collecting and clarifying requirements, resolution of ambiguities, development of project plans, and driving execution.

Deep understanding of Identity and Access Management (IAM) principles and frameworks, authentication protocols (OAuth, OpenID), and authorization paradigms.

Must be well-versed in security disciplines, including threat modeling, vulnerability assessment (e.g., CVSS, NVD), and mitigation strategies (e.g., least privilege).

Proven experience designing, implementing, and maintaining secure systems that protect against unauthorized access, data breaches, and other threats, by leveraging token management, encryption, ACLs, group policies, and related technologies.

Strong analytical skills, with the ability to collect, analyze, and interpret complex data sets.

Bachelor’s degree (or foreign degree equivalent) in Computer Science, Computer Software, Computer Engineering, Applied Sciences, or related field and 10 years of post-baccalaureate work experience in the job offered or a related occupation

Requires 10 years of experience in the following:

C, C++, and PHP coding languages experience

Proficiency in database systems, including relational databases (MySQL), as well as NoSQL databases (ZippyDB, MemCache)

Strong understanding of optimizations, indexing, partitioning, MV, CTEs, and ETL processes

Demonstrating deep knowledge and implementation skills in identity and access management, authentication and authorization protocols, token management, threat modeling and network security

Full-stack development expertise, with the ability to design, build, and maintain both client-side interfaces and server-side architectures

Experience in collecting, analyzing, and interpreting complex data sets to extract insights, identify trends, and inform technical decisions

Demonstrated experience in leading and mentoring junior engineers, providing technical guidance, direction, and support to ensure successful project delivery

Proven experience in owning, designing ,developing and improving highly-available, large-scale, fault-tolerant distributed infrastructure applications in a corporate environment

Designing and completing large features independently without guidance

Strong OS background and knowledge, with demonstrated experience in Linux or UNIX-like operating systems, including file manipulation, process management, and job scheduling (e.g. Chronos)

Applying algorithms and core computer science concepts to real world systems as evidenced by recognizing and matching patterns from different areas of computer science in production systems

Demonstrating technical leadership, working with teams, owning projects, defining and setting technical direction for projects

Leading major initiatives successfully while owning a large-scale component or system and

Software development tools: Code editors (VIM or Emacs), and revision control systems (Subversion, GIT, or Perforce

Minimum Qualifications For those who live in or expect to work from California if hired for this position, please click here for additional information. 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.
US$229,252/year to US$240,240/year + bonus + equity + benefits

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.

Equal Employment Opportunity Meta is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. You may view our Equal Employment Opportunity notice here. Meta is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, fill out the Accommodations request form.