Software Engineer - Traffic, Frameworks (ASE)

Software Engineer - Traffic, Frameworks (ASE)

Seattle, Washington, United States Software and Services Summary Posted:

Jan 12, 2026

Role Number:

200641231-3337 Apple services need world class libraries in order to operate in a distributed, performant, and reliable fashion. We are responsible for delivering the libraries that meet the needs of Apple services. Examples of these libraries are Netty (https://netty.io/) and ServiceTalk (https://servicetalk.io/). Our team is passionate about enabling our partners, whether that's delivering library changes, configuration changes, or guiding our peers on how to tune their applications. If you are interested in digging into networking protocols all the way up to exposing these capabilities in a user friendly fashion then we'd love to hear from you! Description As a software engineer you will contribute to and build libraries that enable services at Apple's scale. This is an opportunity to develop and demonstrate your leadership skills, influencing and improving the networking stack for Apple services. You will have the opportunity to work with a team which is focused on impact across Apple. Engineers will learn how to excel at making informed technology choices within complex architectures. You will develop deep understanding of the organization's business, products, customers, and strategy will empower us to pinpoint opportunities aligning with our team's mission.

Navigating ambiguity is our strength - you will gain skills on how to concentrate on the broader objectives, goals, and desired impact, taking deliberate steps forward. Our dedication extends to coaching and mentoring teammates, considering their unique skills, backgrounds, and working styles. You will actively seek and provide constructive feedback to foster growth within our team. Minimum Qualifications 2+YOE Understanding of concurrency and multi-threaded concepts General knowledge about memory management and its impacts on library/application development General knowledge of large scale distributed systems Experience in Traffic/Edge Engineering or Cloud Networking Bachelor's in CS or equivalent Preferred Qualifications Collaborative approach, working to make the team better A growth mindset Developed API design and evolution through the lifetime of a library Passionate about improving the team and partners you work with Professional expertise in Traffic/Edge Engineering or Cloud Networking Experience with async RPC libraries such as Netty, ServiceTalk, Finagle, VertX, Spring Reactor, gRPC, etc. Proficient with networking and inter-process communication. Systems programming experience Understanding of popular networking protocols such as (but not limited to) HTTP/1.x, HTTP/2, and HTTP/3 is desirable. Deep knowledge of memory models and runtime performance characteristics Understanding of how to do runtime performance analysis and make corresponding improvements Professional experience partnering with application and library developers to write developer-friendly, high-performance library code Passionate about enabling internal partner teams Pay & Benefits At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $139,500 and $258,100, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.

Note:

Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. At Apple, we believe accessibility is a fundamental human right. You'll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong. Apple accepts applications to this posting on an ongoing basis.