Software Engineer, Network Infrastructure

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Own Render's core network infrastructure across multiple data centers and cloud providers. Shape how networking evolves as Render rapidly scales.
Design and build customer-facing networking capabilities that give users greater flexibility in how their services connect, communicate, and how traffic is routed.
Investigate complex networking issues across the stack, from the kernel and data plane to distributed systems and edge networking.
Drive performance and reliability improvements through systematic profiling and tuning.
Partner with engineers across the company to build a platform that is stable, predictable, and secure.
Participate in our on-call rotation. Help continuously improve how we detect, respond to, and learn from incidents.

At least 6 years of experience building and operating large-scale networking or infrastructure systems.
Experience with Kubernetes networking internals (e.g. kube-proxy, CNI plugins, service routing) or similar container networking technology.
Experience with Linux networking internals (e.g. routing, netfilter/iptables/nftables, conntrack) in production environments.
Experience building and operating traffic routing systems (e.g. load balancers, ingress, proxies) at scale.
Strong experience designing, debugging, and operating distributed systems.
Experience planning and executing high-risk changes with minimal downtime.

Experience with data center or hybrid cloud networking (e.g. BGP, AWS Direct Connect, Arista/Juniper).
Experience with eBPF or advanced Linux kernel networking.
Experience developing systems in Go or similar languages that interact with low-level OS and networking primitives.

The Namespaces Scaling Trap (video podcast interview) and related article How We Found 7 TiB of Memory Just Sitting Around
SEV0 SF 2025 | Boundary Cases: Technical and social challenges in cross-system debugging
Distributing Global State to Serve over 1 Billion Daily Requests
Breaking down OpenAI's outage: How to avoid a hidden DNS dependency in Kubernetes
Kubernetes Informers are so easy... to misuse!

This opportunity is also eligible for equity with early-exercise options and extended exercise windows.
4 weeks of paid vacation.
14 weeks of fully paid parental leave for all parents to bond with a newly born, adopted, or fostered child. We will also work with you to create a supportive plan of return.
Long-term disability, life insurance, and 401K plans.
100% employer-paid medical coverage and 99% employer-paid dental and vision coverage for you and a dependent. FSAs and HSAs are available as well.
Monthly lifestyle stipend for wellness, mental health and therapy, hobbies, etc.
Monthly cell phone and internet subsidy.
Commuter benefits for Renders in the Bay Area, and home office stipends for remote Renders.
Continuous learning benefits & related support.

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