What are the responsibilities and job description for the Fullstack Software Engineer, Authorization position at ByteDance?
Responsibilities
About the Team
Welcome to the Authorization Services Team! We are the backbone of the company's security infrastructure, responsible for providing cutting-edge authorization services that are integral to nearly every employee and microservice within our organization.
The Authorization (AuthZ) team builds and operates Kani, ByteDance’s largest authorization system, serving all product lines across ByteDance and TikTok. Our mission is to provide a unified permission management platform that empowers engineering teams with robust, easy-to-use, and secure access control capabilities.
We focus on delivering a comprehensive solution that includes a flexible approval flow engine, a powerful developer platform. Kani supports all the common Access Control models: Role-Based Access Control (RBAC) and Policy-Based Access Control(PBAC) and advanced Attribute-Based Access Control (ABAC) models. By continuously improving user experience (UX) and strengthening our compliance and governance features, we ensure that security is seamless and efficient on a global scale. Join us to tackle challenges in a large-scale, unified authorization environment.
As a Fullstack Engineer, you will contribute to the entire feature lifecycle, from conception to deployment. Your responsibilities will include:
- Developing and maintaining features for our Web Console, BFF (Backend for Frontend), and backend services.
- Building and optimizing approval flow features to meet diverse business needs.
- Enhancing the user experience of our Lark bot notifications for approvals and alerts.
- Supporting internal teams with permission model integration and data migration.
- Implementing features to detect and warn against compliance risks.
- Improving the performance, reliability, and scalability of our systems.
- Writing high-quality, well-tested code and participating in code reviews.
- Collaborating with product managers, designers, and other engineers to deliver impactful solutions.
- Contributing to technical documentation to support our developer community.
Qualifications
Minimum Qualifications
- Bachelor's degree in Computer Science or a related field.
- Solid understanding of at least one backend programming language (e.g., Go, Java, Python).
- Experience with at least one modern frontend framework (e.g., React, Vue) and TypeScript.
- Basic knowledge of web architecture, microservices, and database technologies (SQL or NoSQL).
- A strong sense of code quality, with an appreciation for writing clean, testable code.
Preferred Qualifications
- A foundational understanding of authorization concepts, such as RBAC or PBAC.
- Experience with BFF (Backend for Frontend) patterns.
- Contributions to open-source projects or a portfolio of personal projects.
About Us
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico 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 ByteDance
Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.
As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.
Diversity & Inclusion
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.
Reasonable Accommodation
ByteDance 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://tinyurl.com/RA-request
Job Information
【For Pay Transparency】Compensation Description (Annually)
The base salary range for this position in the selected city is $122574 - $316800 annually.
Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.
Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).
The Company reserves the right to modify or change these benefits programs at any time, with or without notice.
For Los Angeles County (unincorporated) Candidates:
Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:
1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
3. Exercising sound judgment.
About the Team
Welcome to the Authorization Services Team! We are the backbone of the company's security infrastructure, responsible for providing cutting-edge authorization services that are integral to nearly every employee and microservice within our organization.
The Authorization (AuthZ) team builds and operates Kani, ByteDance’s largest authorization system, serving all product lines across ByteDance and TikTok. Our mission is to provide a unified permission management platform that empowers engineering teams with robust, easy-to-use, and secure access control capabilities.
We focus on delivering a comprehensive solution that includes a flexible approval flow engine, a powerful developer platform. Kani supports all the common Access Control models: Role-Based Access Control (RBAC) and Policy-Based Access Control(PBAC) and advanced Attribute-Based Access Control (ABAC) models. By continuously improving user experience (UX) and strengthening our compliance and governance features, we ensure that security is seamless and efficient on a global scale. Join us to tackle challenges in a large-scale, unified authorization environment.
As a Fullstack Engineer, you will contribute to the entire feature lifecycle, from conception to deployment. Your responsibilities will include:
- Developing and maintaining features for our Web Console, BFF (Backend for Frontend), and backend services.
- Building and optimizing approval flow features to meet diverse business needs.
- Enhancing the user experience of our Lark bot notifications for approvals and alerts.
- Supporting internal teams with permission model integration and data migration.
- Implementing features to detect and warn against compliance risks.
- Improving the performance, reliability, and scalability of our systems.
- Writing high-quality, well-tested code and participating in code reviews.
- Collaborating with product managers, designers, and other engineers to deliver impactful solutions.
- Contributing to technical documentation to support our developer community.
Qualifications
Minimum Qualifications
- Bachelor's degree in Computer Science or a related field.
- Solid understanding of at least one backend programming language (e.g., Go, Java, Python).
- Experience with at least one modern frontend framework (e.g., React, Vue) and TypeScript.
- Basic knowledge of web architecture, microservices, and database technologies (SQL or NoSQL).
- A strong sense of code quality, with an appreciation for writing clean, testable code.
Preferred Qualifications
- A foundational understanding of authorization concepts, such as RBAC or PBAC.
- Experience with BFF (Backend for Frontend) patterns.
- Contributions to open-source projects or a portfolio of personal projects.
About Us
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico 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 ByteDance
Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.
As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.
Diversity & Inclusion
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.
Reasonable Accommodation
ByteDance 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://tinyurl.com/RA-request
Job Information
【For Pay Transparency】Compensation Description (Annually)
The base salary range for this position in the selected city is $122574 - $316800 annually.
Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.
Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).
The Company reserves the right to modify or change these benefits programs at any time, with or without notice.
For Los Angeles County (unincorporated) Candidates:
Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:
1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
3. Exercising sound judgment.
Salary : $122,574 - $316,800