Security Engineer - Network Edge Security
Bay Area, CA · US - CA - San Francisco City - Remote · 5+ years experience · Remote · Posted Oct 15, 2026
At a glance
- Experience
- 5+ years experience
- Workplace
- Remote
- Location
- Bay Area, CA · US - CA - San Francisco City - Remote
About the role
- The Network Edge Security team at Block builds tools that provide important insights into API security posture and the trustworthiness of traffic flowing into systems.
- Capabilities use machine learning, streaming analytics, and significant data analysis to understand network edge risk exposure and true sources of request flows.
- The primary focus is up-leveling the API security posture for downstream products and services while responding quickly to emerging threats.
Responsibilities
- Respond and mitigate emerging threats and attacks at our network edge by leveraging WAF rules, bot vendors, and other CDN-native technologies
- Help build out infrastructure that gives us better inventory of our network edge security posture
- Build out and maintain a near-real time streaming analytics data pipeline and application
- Contribute to the evolution of our labeling and ML model development
- Help manage and maintain our systems across build, deploy, and production monitoring
- Be flexible with respect to computer languages as we use Java, Kotlin, Python, TypeScript, PySpark and others as needed or appropriate
- Evaluate and build integrations with vendor systems that may be used in addition to in-house solutions
- Develop and implement AI-driven capabilities to automatically classify and mitigate abusive traffic patterns
Requirements
- 5+ years of software or security engineering experience developing scalable production software incorporating testing, evaluation, and monitoring
- Bachelor's degree in Computer Science or equivalent practical experience
- Proficient in Java, Kotlin, Typescript, and Python
- Proficient in data analysis using SQL and Spark
- Experience implementing and maintaining applications in both a CDN (Cloudflare and Fastly) and Amazon Web Services (AWS) ecosystems
Preferred qualifications
- Significant experience with bot/fraud identification and mitigation systems is a strong plus
- Familiarity with Snowflake, Databricks, and Datadog are a strong plus
Benefits
- Remote work
- Medical insurance
- Flexible time off
- Retirement savings plans
- Modern family planning
Workplace
- We’re remote-first by design
Skills
- Java
- Kotlin
- TypeScript
- Python
- PySpark
- SQL
- Spark
- Cloudflare
- Fastly
- AWS
- Snowflake
- MySQL
Show all 15 skills
- DynamoDB
- Databricks
- Kafka
