Network Framework Software Engineer

Santa Clara Valley (Cupertino), California, United States
Software and Services


Weekly Hours: 40
Role Number:200300382
Apple is looking for a talented and energetic software engineer for the Network Framework team to participate in the architecture and development of the next generation of networking APIs. Network Framework's APIs are at the heart of Apple's range of products including all macOS, iOS, iPadOS, watchOS and tvOS products. The team is responsible for designing, implementing, and maintaining the Network APIs that connect developers to network protocols in an intuitive and easy to use way. Collecting telemetry is essential for understanding the networks our customers devices use. This information helps inform decisions on how to tune and improve our network stack and ultimately the user experience. We are looking for a software engineer with deep technical background in networking and telemetry. The ideal candidate should posses an excellent command of the C language and a background in analyzing data with experience identifying additional data to collect to answer key questions while preserving customer privacy. An understanding of networking technologies such as TCP, IPv4, and IPv6 will be helpful. System level software design experience is essential. The position will require the right candidate to determine the appropriate compromise between several competing factors such as performance, efficiency, ease of use, privacy, and security.

Key Qualifications

  • Experience developing commercial networking software and/or hardware products
  • Strong software design and development skills including; C, C++ programming language experience
  • Deep knowledge of data analysis
  • Experience developing commercial networking software and/or hardware products
  • Working knowledge of the TCP/IP suite of protocols (including IPv6) and APIs
  • Unix networking, including sockets API
  • Excellent communication and interpersonal skills
  • Enthusiasm and interest in keeping up with trends / research in networking transports and protocols (e.g. HTTP3, QUIC, etc.)


The candidate needs to be able to work in a fast-paced environment, operate gracefully under stress, handle multiple assignments in parallel, and be self-driven to be effective in an environment with little overhead. The candidate also needs to show initiative, be able to take ownership of a problem area, and demonstrate an ability to understand the role of the group's technology in the larger context of the product and network environment. The position has cross-functional aspects and the candidate will need to show excellent interpersonal and communication skills.

Education & Experience

BS in Computer Science or Electrical Engineering or 4 years of relevant industry experience

Additional Requirements

  • Preferred Experience:
  • macOS and iOS development experience
  • C, C++, Objective-C, or Swift language experience
  • Asynchronous programming using dispatch queues and blocks
  • Network debugging tools (e.g. packet sniffers, protocol analyzers)
  • Good understanding of HTTP and web networking technologies and IPv6