Demo

Senior Software Engineer - Network Security

ByteDance
San Jose, CA Full Time
POSTED ON 12/31/2025
AVAILABLE BEFORE 1/29/2026
Responsibilities
Team Introduction
The Network Security team is on the mission to build innovative and enterprise-level network security products and solutions, to protect online businesses from being interrupted by cyber attacks. We're a group of people passionate about challenging the status quo to solve the real world's cybersecurity problems effectively and efficiently. We set audacious goals and strive to achieve them. We believe in teamwork and collaboration and we encourage open and succinct communication. If you share the same values and would like to make an impact on network security, please come join us!

Responsibilities
- Design and build network security products, including but not limited to Firewall, Anti-DDoS, WAF, NDR, etc with high standards;
- Support ByteDance businesses with customized and home-grown network security solutions to meet compliance and security requirements;
- Support network security products for internal and external customers.

Qualifications
Minimum Qualifications
- Self-driven problem solver with great communication and collaboration skills.
- B.S. or advanced degree in Computer Science, Electrical Engineering or other relevant majors, with 5 years software development experience in the cybersecurity domain.
- Solid understanding of networking & networking protocols, like NAT, Vxlan, BGP, DNS, HTTP, L7-proxy Thrift, FTP etc.
- Good understanding of DPDK or eBPF.
- Proficient with C and GO and strong background in Linux systems.

Preferred Qualifications
- Experience in building AI/ML models or training/fine-tune with LLM.
- Experience with firewall or WAF development.
- Threat detection analysis experience with Spark SQL.

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 $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 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 : $187,040 - $359,720

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Software Engineer - Network Security?

Sign up to receive alerts about other jobs on the Senior Software Engineer - Network Security career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$125,027 - $157,872
Income Estimation: 
$149,432 - $188,965
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$139,945 - $168,577
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at ByteDance

  • ByteDance San Jose, CA
  • Responsibilities About the team The Seed LLM Horizon Team is dedicated to cutting-edge research, driven by a mission to push the boundaries of model intell... more
  • 12 Days Ago

  • ByteDance San Jose, CA
  • Responsibilities Team Introduction: The Knowledge Graph team is responsible for the neural network of e-commerce, which includes tasks such as categorizing... more
  • 12 Days Ago

  • ByteDance San Jose, CA
  • Responsibilities About the Team Join ByteDance’s database R&D team, where you’ll build and own cutting-edge database products supporting Bytedance’s global... more
  • 12 Days Ago

  • ByteDance San Jose, CA
  • Responsibilities Team Introduction The Compute Infrastructure team uses Kubernetes and Serverless technologies to build a large, reliable, and efficient co... more
  • 12 Days Ago


Not the job you're looking for? Here are some other Senior Software Engineer - Network Security jobs in the San Jose, CA area that may be a better fit.

  • xAI Palo Alto, CA
  • About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small... more
  • 16 Days Ago

  • NanoInfomatrix LLC San Jose, CA
  • Job description Location: San Jose, CA Type: Onsite Only Duration: 5 Months (Contract) Billing Rate: $65 – $95 per hour (1099/W2/C2C depending on experienc... more
  • 6 Days Ago

AI Assistant is available now!

Feel free to start your new journey!