Software Engineer ( FIDO2-US) - 2025 Start (BS/MS)

Company Introduction Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content. Why Join Us Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. Join us. About Security FIDO2 Team at ByteDance FIDO stands for Fast Identity Online. It is the state-of-the-art authentication that is arguably the most secure of all currently available authentication methods. Our team's mission is to protect both internal and external users across all company applications with secure and user-friendly FIDO2 authentication. We have a variety of tech stacks, including WebAuthN server, mobile and web SDK, tools, and other components that implement FIDO2 and support its use. There are two major initiatives in our team, mainly separated by the different types of customers we serve: - Internal ToE(nterprise): Empower every employee as a phishing-resistant user. - External ToC(onsumer) and ToB(usiness): Deliver a seamless and secure FIDO2 authentication experience across all company products. Responsibilities - Serve as a technical expert for requirements, design and implementation of FIDO2 services and product across ByteDance's suite of products. - Design, develop, onboard, and support the FIDO2 service with all the company services, including but not limited to compute, storage, DB systems. - Partner with Product, Operation team, Security/Legal/Compliance and other engineering teams to identify and address authentication related security issues. - Play a critical role in influencing cross functional partners and roadmaps to continuously tighten the security posture of overall ByteDance's Infrastructure. - Technology: - Cloud-based microservice architecture in Golang - Highly distributed system with data centers in multiple countries - Data pipelines and query engines - More specifically include - Golang, Python and other common object-oriented programming language - MySQL, Redis, Elastic Search, Kafka - Grafana, Hive - Thrift RPC, Service Mesh, Consul, TLS, mTLS - React, Vue, Angular, NodeJS or other common web framework - Native Android and iOS client

Minimal Qualifications: - Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or other relevant majors. - Strong experience as a developer with Android SDK and different versions of Android(Kotlin and/or Java). Preferred Qualifications: - 3~5+ years of industry experience in Computer Science, Computer Engineering, Electrical Engineering, or other relevant majors. - Experience with iOS development (Swift and/or Objective-C) is a plus. - Experienced in the design and implementation of large scale distributed system - Creative problem-solving skills and excellent troubleshooting and debugging skills - Strong written/verbal communication and excellent teamwork skills ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too. ByteDance Inc. is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://shorturl.at/cdpT2