"layer 4" Jobs
415 open tech roles matching “layer 4”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, AI/ML, Kubernetes. Every listing is re-checked daily and closed roles are removed.
Showing 20 of 415 results
Design and maintain high-performance networks as a Senior Network Engineer at Together AI, contributing to cutting-edge AI infrastructure.
Lead large-scale infrastructure projects at Fastly to enhance their global network and drive operational efficiency.
Join Meter as a Backend Engineer to build scalable data center solutions using Go and Python in a growth-focused environment.
Join Meter as a Backend Engineer to design and implement a unified data interface for model development in a cutting-edge networking company.
Join Sesame as an ML Model Serving Engineer to enhance our serving layer for voice agents with cutting-edge techniques.
Join Figma as a Software Engineer to design and operate scalable systems for innovative design and collaboration tools.
Join Wispr Flow as a Platform Engineer to architect and enhance the infrastructure supporting a rapidly growing voice interface product.
Join Cloudflare as a Senior Systems Engineer to enhance IAM capabilities for a global network.
Lead the development of foundational data infrastructure at Cloudflare, leveraging AI to enhance data accessibility and value.
Join the Infrastructure team to build and operate foundational systems that support Perplexity’s products.
Join OpenRouter as a Forward Deployed Engineer to help customers implement and scale AI solutions effectively.
Join Perplexity AI's Infrastructure team to tackle cross-cutting problems in backend systems and enhance user experience.
Join ngrok as a Senior Full-stack Software Engineer to build and evolve AI traffic management systems in a remote-friendly environment.
Own core backend capabilities for an AI-native CRM platform at a fast-growing company.
Own the cost side of data center build-outs at Together AI, partnering with Infrastructure Strategy to evaluate new opportunities.
Join the Connector Platform team to design and implement a robust data layer for Perplexity's software agents.
Design and operate data systems that power Decagon's AI products, ensuring high reliability and performance.
Own the quality and consistency of core flag surfaces as a Staff Frontend Engineer at LaunchDarkly.
Join Baseten as a Software Engineer to build and optimize large-scale LLM inference systems in a collaborative environment.