
Lead Senior Software Engineer - Platform Security
The Trade Desk2 days ago
Base Salary
$125k - $229k/yr
Responsibilities
- Lead the architecture, implementation, and long-term evolution of large-scale platform security services.
- Own cross-cutting initiatives involving authentication, authorization, identity, and secure access.
- Make architectural decisions balancing security, reliability, scalability, and developer experience.
- Build and maintain shared libraries and frameworks for secure-by-default engineering practices.
- Drive testing, observability, operational readiness, and incident response for security-critical systems.
- Partner with engineers, SREs, and stakeholders across teams to deliver platform security capabilities.
- Mentor engineers through code reviews, design discussions, and technical leadership.
- Manage a small team of engineers and provide technical direction and mentorship.
- Participate in on-call rotations and lead incident response.
- Explore automation and AI-driven approaches for assessing security posture and risk.
Requirements
- 7+ years of experience building and operating production systems in high-scale environments.
- Significant experience using an object-oriented language such as C#, Java, C++, or a similar language.
- Proven experience designing and delivering distributed systems at scale.
- Strong experience with infrastructure-as-code and automated deployment pipelines.
- Deep understanding of system reliability, observability, and operational excellence.
- Experience leading technical design and influencing architecture across teams.
- Strong communication, collaboration, and mentoring skills.
- Bachelor’s or master’s degree in computer science or a related engineering field, or equivalent experience.
- Previous lead experience is desired.
- Experience with identity and access management systems is a plus.
- Familiarity with Kubernetes, cloud platforms, or hybrid infrastructure at scale is a plus.
- Background in security engineering or site reliability engineering is a plus.
- Interest in applying automation or AI to improve security posture and resilience is a plus.
Benefits
- Comprehensive medical, dental, and vision healthcare with premiums paid in full for employees and dependents.
- 401(k) retirement plan with company match.
- Short- and long-term disability coverage and basic life insurance.
- Well-being benefits and reimbursement for certain tuition expenses.
- Parental leave, sick time, paid vacation, and approximately 13 paid holidays per year.
- Employee Stock Purchase Plan with discounted company stock purchases.
- Employees may be eligible for stock-based compensation and other variable compensation.