render - Software Engineer, Network Infrastructure
Requirements
• 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. • RELEVANT LINKS FROM THE RENDER ENGINEERING TEAM • The Namespaces Scaling Trap https://www.youtube.com/watch?v=NCKhoYsNsmE (video podcast interview) and related article How We Found 7 TiB of Memory Just Sitting Around https://render.com/blog/how-we-found-7-tib-of-memory-just-sitting-around • SEV0 SF 2025 | Boundary Cases: Technical and social challenges in cross-system debugging https://www.youtube.com/watch?v=d4hAyzmBNXk • Distributing Global State to Serve over 1 Billion Daily Requests https://render.com/blog/distributing-global-state-to-serve-over-1-billion-daily-requests • Breaking down OpenAI's outage: How to avoid a hidden DNS dependency in Kubernetes https://render.com/blog/a-hidden-dns-dependency-in-kubernetes • Kubernetes Informers are so easy... to misuse! https://render.com/blog/kubernetes-informers • If this role excites you but you don’t meet every single requirement, we’d still love to hear from you—your unique experience might be just what we need.
Responsibilities
• 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.
Benefits
• 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. • This position is generally not eligible for new visa sponsorship. At Render's discretion, the business may sponsor existing visa transfers. Applicants who require sponsorship must receive business authorization. • Render is an equal-opportunity employer. We know that employing a team rich in diverse thoughts, experiences, and opinions allows our employees, product, and community to flourish. We make all employment decisions including hiring, evaluation, termination, promotional, and training opportunities, without regard to race, religion, color, sex, age, national origin, ancestry, sexual orientation, physical handicap, mental disability, medical condition, disability, gender or identity or expression, pregnancy or pregnancy-related condition, marital status, height and/or weight. • We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. • We encourage all who are interested to apply. We can't wait to hear from you! • Render — CCPA Applicant Privacy Notice https://drive.google.com/file/d/1wKr9IejoT5McFrs9I2mahQnf6AFwb3z2/view • Render — GDPR Applicant Privacy Notice https://drive.google.com/file/d/1_8jtyXQ1HdRdTdQn9sZ7n-R-zAGBmsFa/view
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