Software Engineer, Infrastructure

Job Description

Meta is seeking talented engineers to join our teams in building cutting-edge products that connect billions of people around the world. As a member of our team, you will have the opportunity to work on complex technical problems, build new features, and improve existing products across various platforms, including mobile devices and web applications. Our teams are constantly pushing the boundaries of user experience, and we're looking for passionate individuals who can help us advance the way people connect globally. If you're interested in joining a world-class team of industry veterans and working on exciting projects that have a significant impact, we encourage you to apply.

Software Engineer, Infrastructure Responsibilities

Collaborate with cross-functional teams (product, design, operations, infrastructure) to build innovative application experiences

Implement custom user interfaces using latest programming techniques and technologies

Develop reusable software components for interfacing with back-end platforms

Analyze and optimize code for quality, efficiency, and performance

Lead complex technical or product efforts and provide technical guidance to peers

Architect efficient and scalable systems that drive complex applications

Identify and resolve performance and scalability issues

Work on a variety of coding languages and technologies

Establish ownership of components, features, or systems with expert end-to-end understanding

Minimum Qualifications

Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience

6+ years of programming experience in a relevant language or 3+ years of experience + PhD

Track record of setting technical direction for a team, driving consensus and successful cross-functional partnerships

Experience building maintainable and testable code bases, including API design and unit testing techniques

Preferred Qualifications

6+ years relevant experience building large-scale infrastructure applications or similar experience

Experience with scripting languages such as Python, Javascript or Hack

Experience designing, analyzing and improving efficiency, scalability, and stability of various system resources

Experience owning a component, feature or system

Experience building and shipping high quality work and achieving high reliability

Experience improving quality through thoughtful code reviews, appropriate testing, proper rollout, monitoring, and proactive changes

Exposure to architectural patterns of large scale software applications

Experience in programming languages such as C, C++, Java

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.

70,67 $/hour to 208 000 $/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.

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.

Meta is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures.

🎯 Who is this job for?

This position is ideal for a Senior Infrastructure Software Engineer with 6+ years of experience in building large-scale, high-performance systems. It suits someone skilled in backend and systems programming (C/C++, Java, Python, JavaScript, Hack) with a strong grasp of API design, scalability, and system architecture. The role requires leading technical direction, optimizing infrastructure performance, and driving cross-functional projects, making it a great fit for engineers experienced in ownership of complex systems and large-scale application platforms.

💬 Potential Interview Questions

1. Can you describe your experience designing and maintaining large-scale infrastructure systems?
I have built and optimized distributed systems handling millions of requests per day, focusing on scalability, latency reduction, and fault tolerance. I use monitoring tools and performance profiling to continuously improve system stability and throughput.

2. How do you approach optimizing code for efficiency and scalability?
I profile performance bottlenecks, refactor code with efficient algorithms and data structures, use caching where appropriate, and design asynchronous workflows to reduce blocking. I also ensure proper load balancing and horizontal scaling.

3. What programming languages are you most proficient in, and how have you applied them in infrastructure projects?
I am most proficient in C++, Python, and Java. C++ for high-performance, low-level components, Python for automation, tooling, and scripting, and Java for backend services in large distributed systems.

4. How do you ensure maintainability and testability in your codebase?
I follow clean architecture principles, modularize code, enforce strong typing where possible, and write unit and integration tests. I also use CI/CD pipelines to automate testing and deployment.

5. Can you describe a time when you identified and resolved a major performance issue?
On one project, I noticed high database latency due to inefficient queries. I redesigned the schema, added proper indexing, and introduced caching. This reduced response times by over 60% and significantly improved user experience.

6. What experience do you have with API design?
I design REST and gRPC APIs with clear versioning, well-defined contracts, and comprehensive documentation. I focus on ensuring backward compatibility and ease of integration for client teams.

7. How do you handle system monitoring and reliability?
I set up metrics collection with Prometheus/Datadog, establish alerting thresholds, and use distributed tracing for debugging. I also implement automated rollback strategies and chaos testing to ensure resilience.

8. Can you explain your experience with scripting languages like Python or JavaScript in infrastructure work?
I use Python extensively for deployment automation, CI/CD pipelines, and data processing. JavaScript has been used mainly for internal dashboards and monitoring tools.

9. How do you collaborate across teams to drive infrastructure improvements?
I run technical design reviews, document architectural decisions, and align priorities with product and operations teams. I encourage open communication and consensus-driven decision-making.

10. What’s your approach to leading complex technical initiatives?
I start with requirement gathering, propose architectural solutions, validate them with prototypes, and break them into milestones. I ensure alignment across stakeholders and guide the team through execution with regular checkpoints.

📋 Job Summary

Meta is hiring a Software Engineer, Infrastructure to help build scalable systems powering products used by billions. Based in Sunnyvale, CA (and 11 other locations), this full-time role offers the chance to lead complex infrastructure efforts, design scalable architecture, and optimize code for performance across platforms. Ideal candidates have 6+ years of experience, a strong background in languages like C++, Java, or Python, and a history of driving technical direction and system ownership. Compensation ranges from $70.67/hour to $208,000/year plus bonus, equity, and benefits.