Software Developer - Global Security Organization

The GSO provides industry-leading security and privacy services to Bytedance, guided by four principles: trust and transparency, business enablement, risk-informed decision-making, and proactive risk reduction. We strive to build sustainable, world-class security capabilities.

As a Software Developer in the GSO, you would be collaborating with product managers, business operations teams, developers, and cross-functional engineers to define and deliver solutions. Developing, maintaining, and optimizing advanced security applications using microservices, serverless architecture, REST, Python/Java, Message Queue, Spark, relational, and non-relational databases. Designing and implementing reusable, modular, and scalable services, classes, or modules. Analyzing and optimizing data pipeline performance, focusing on data preparation, transformation, and loading times and innovating intelligent solutions leveraging ML and LLMs for advanced functionalities and automation.

Responsibilities
- Develop, maintain, and troubleshoot in-house applications for internal and external teams.
- Review legacy application code for reusability and customization, including microservices options.
- Utilize frameworks and libraries such as REST, gRPC, FaskAPI/Flask, Asyncio, Pytest, unittest, Pandas, Numpy, etc.
- Optimize performance for a fast and seamless user experience.
- Stay updated with the latest technologies and educate engineers and PMs on new possibilities.
- Define metrics and create/maintain dashboards using in-house/external tools.
- Collaborate cross-functionally with business and technical teams to gather functional requirements.

Qualifications

Minimum Qualifications
- Experience working with Python/Java/Golang
- Experience working on Big Data Technologies
- Ability to quickly learn and assimilate new tools/technologies and rapidly adapt and iterate

Preferred Qualifications
- Bachelors' Degree in the field of computer science / engineering or industry equivalent work experience
- Experience working with microservice
- Experience working with one of Message Queue Systems, e.g. Kafka
- Experience with unit test frameworks e.g. pytest, unittest and adopting automated and manual test strategies to ensure product quality
- Working experience of Hive and HDFS will be a big plus
- Working experience for Goland will be a big plus
- Knowledge and working experience with Machine Learning/Deep Learning and LLM will be a big bonus

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $118800 - $196000 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.

Client-provided location(s): New York, NY

Job ID: TikTok-7555654150546950418

Employment Type: OTHER

Posted: 2025-09-30T20:40:38