Backend Software Engineer - Security Data

Responsibilities

About the Team Welcome to the Security Data Team! We are at the heart of the company’s security operations, responsible for building tools and solutions that help business teams manage assets and maintain robust security governance across the organization. Our mission is to provide end-to-end, scenario-based security solutions that enable efficient, data-driven governance. By integrating comprehensive asset data with advanced security capabilities, we help ensure that security is seamless, scalable, and aligned with the company’s growth and regulatory requirements.

By joining our team, you will work with talented engineers and security experts to tackle complex governance challenges, build innovative tools, and contribute to a safer, more resilient company-wide security environment.

• Design, develop, and maintain security data products and data platforms, enabling risk detection, security analytics, and data-driven security capabilities.
• Collaborate closely with product managers, security teams, and business stakeholders to translate security and business requirements into data models, data pipelines, and productized security capabilities.
• Build and optimize large-scale batch and real-time data processing pipelines to support security scenarios such as risk control, anomaly detection, and behavior analysis.
• Ensure data quality, stability, and observability across the full data lifecycle, and continuously improve system architecture, performance, and engineering efficiency.
• Develop a deep understanding of security scenarios and business context, and leverage data to drive measurable improvements in security effectiveness.

• Bachelor’s degree or above in Computer Science, Software Engineering, Data Engineering, or a related field, with strong foundations in computer science fundamentals.
• Proficiency in at least one backend programming language (e.g., Go or Java), and familiarity with backend and data system development processes (SDLC).
• Hands-on experience with data storage, messaging, and processing systems, such as MySQL, Redis, Kafka, and Hive, and a solid understanding of distributed systems.
• Experience designing and implementing data pipelines and data models for large-scale data processing scenarios.

• Solid experience designing backend systems, including RESTful APIs, microservices or service-oriented architectures, and data models using SQL and No
  
  SQL databases.
• Strong ability to collaborate cross-functionally with product, infrastructure, and security teams to deliver end-to-end backend solutions.
• Strong product awareness and a data-driven mindset, with experience turning security data into actionable product features or decision-making capabilities.
• Experience in security-related data products (e.g., risk control, anti-fraud, security monitoring) is a plus.
• Experience with real-time data processing, big data analytics, or security analytics platforms is a plus.

Founded in 2012, Byte Dance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including Tik Tok, Lemon8, Cap Cut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, Byte Dance has made it easier and more fun for people to connect with, consume, and create content.

Inspiring creativity is at the core of Byte Dance'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 Byte Dancers, 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.

Byte Dance is committed to creating an inclusive space where employees are…