Job Specifications
Senior Backend Software Engineer, Authorization
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Lead the design, implementation, and long-term maintenance of critical Back End services or our authorization systems, making sound architectural decisions that balance scalability, reliability, and security.
Drive performance optimization efforts across the stack, proactively identifying bottlenecks and implementing solutions to support high throughput, low latency, and predictable system behavior under load.
Champion security best practices by design, including least-privilege principles, defense-in-depth strategies, and secure coding standards, ensuring our authorization services meet high security and compliance requirements.
Set a high bar for code quality through thoughtful design, thorough reviews, and comprehensive automated testing, improving maintainability, reliability, and robustness of the codebase.
Lead complex debugging and incident resolution efforts, develop tools and processes to improve observability, and contribute to overall reliability and availability of our systems.
Collaborate closely with engineers, security specialists, product partners, and stakeholders to translate requirements into technical solutions, mentor junior engineers, and influence the team's technical direction and best practices. Qualifications
Minimum Qualifications
Bachelor's degree in Computer Science or a related field, or equivalent practical experience, with 4+ years of experience building, operating, and scaling production Back End systems.
Proficiency in one or more Back End programming languages such as Go, Java, Python, C+ or similar.
Proven experience writing comprehensive automated tests, performing effective code reviews, and debugging complex production issues to ensure high standards of code quality and reliability.
Preferred Qualifications
Solid experience designing Back End systems, including RESTful APIs, microservices or service-oriented architectures, and data models using SQL and NoSQL databases.
Demonstrated experience building and optimizing high-throughput, high-availability systems, with a strong understanding of performance tuning and scalability trade-offs.
Practical knowledge of Back End security principles and best practices, including authentication, authorization, least-privilege access, and secure service-to-service communication.
Experience leading design discussions, mentoring engineers, and raising the technical bar through code reviews and engineering best practices.
Strong ability to collaborate cross-functionally with product, infrastructure, and security teams to deliver end-to-end Back End solutions. 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. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. 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
Job Information
?For Pay Transparency?Compensation Description (Annually)
The base salary range for this position in the selected city is $187040 - $359720 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 da