Software Engineer C++, Level 4
About The Position
Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together. The Company's three core products are Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world; Lens Studio, an augmented reality platform that powers AR across Snapchat and other services; and its AR glasses, Spectacles. Snap Engineering teams build fun and technically sophisticated products that reach hundreds of millions of Snapchatters around the world, every day. We're deeply committed to the well-being of everyone in our global community, which is why our values are at the root of everything we do. We move fast, with precision, and always execute with privacy at the forefront. We're looking for a C++ Software Engineer to join our Messaging team! The Messaging team builds and maintains the core infrastructure that powers chat, media sharing, presence, and real-time interactions across Snapchat. We own critical C++ client libraries that are deployed across all Snap owned surfaces - iOS & Android apps, Snapchat for web and Spectacles, enabling consistent behavior and rapid product development at scale. We work across the stack - from local data models to backend integration - to ensure a fast, reliable, and delightful messaging experience for hundreds of millions of users.
Requirements
- Deep expertise in modern C++ (C++11/14/17), with experience in large-scale production codebases
- Familiarity with one of the following programming languages: Swift, Objective-C, Kotlin, or TypeScript
- Experience with mobile development (Android/iOS) and cross-platform libraries
- Familiarity with messaging systems, networking protocols, or real-time systems is a plus
- Proficiency with performance optimization techniques
- Strong CS fundamentals (algorithms and data structures) and problem-solving skills
- Comfortable working in a fast-paced, iterative, and highly collaborative environment
- Knowledge of software design patterns and best practices
- BS in a technical field such as computer science or equivalent years of experience
- 2+ years of post-Bachelor's software development experience; or Master's degree in a technical field + 1+ year of post-grad software development experience; or PhD in a relevant technical field
- C++ development experience
Nice To Haves
- Experience developing for desktop, mobile, or web using C++ or TypeScript
- Experience with declarative UI frameworks (e.g. React Native)
- Experience building or scaling messaging, media, or real-time communication systems
- Familiarity with metrics instrumentation, observability, and debugging tools
Responsibilities
- Architect, design, implement, and maintain high-performance C++ infrastructure powering Snapchat's core messaging experiences
- Evolve our cross-platform C++ client libraries that underpin chat, media, and push systems
- Optimize for latency, reliability, and resource efficiency in constrained mobile environments
- Collaborate with iOS, Android, backend, and product teams to ship high-quality features
- Build robust abstractions, APIs, and tools that scale across multiple surfaces and use cases
- Contribute to architectural decisions and long-term technical direction of messaging systems
- Perform code reviews that guarantee code quality and raise the bar for development
Benefits
- paid parental leave
- comprehensive medical coverage
- emotional and mental health support programs
- compensation packages that let you share in Snap's long-term success!
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Industry
Publishing Industries
Number of Employees
1,001-5,000 employees
