Design, build, and operate high-scale, low-latency systems that protect Reddit from DDoS attacks, bots, and automated abuse.
Analyze, develop and evolve ingress-level defenses across CDN, edge, and internal infrastructure layers.
Build systems to detect, score, and mitigate malicious traffic in real time at per-request and per-user granularity
Partner closely within Infrastructure and with Security, and internal Safety teams to balance security, performance, and user experience
Mentor junior engineers in their professional growth.
Contribute to the team’s ML-at-Ingress initiatives, including experimenting with models for traffic classification, bot detection, and anomaly detection
Own services end-to-end, including design, implementation, on-call, and operational excellence
Participate in incident response and post-incident analysis for large-scale network or abuse events

Requirements

5+ years of experience building and operating high throughput and low latency production distributed systems.
Software development experience in one or more general purpose programming languages; Python, Go, Rust, Java, C++.
Excellent communication skills to collaborate with a service-oriented team and company.
Experience with DDoS mitigation, WAFs, bot management, or abuse prevention systems.
Experience with networking fundamentals (HTTP, TLS, TCP/IP, proxies, CDNs, load balancing).

Benefits

Comprehensive Healthcare Benefits and Income Replacement Programs
401k with Employer Match
Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

PythonGoRustJavaC++DDoS mitigationWAFsbot managementnetworking fundamentalstraffic classification

communicationmentoringcollaboration