SafetyKitSan Francisco, CABackend Engineer building scalable AI-agent infrastructure on AWS Serverless (Lambda, Step Functions, Aurora). Design high-performance systems, create monitoring/alerting, mentor team, and use codegen models to accelerate development while collaborating with AI/product teams.
Software Engineer on the Dataplane team building and optimizing Tailscale's core client-side networking, VPN, and connectivity features using Go and low-level languages. Requires deep networking expertise (routing, NAT, VPNs) plus experience with distributed systems and low-level OS stacks.
Software Engineer focused on backend development for the Chorus conversation intelligence platform. Design, build, and deploy complex distributed systems and 3rd-party integrations to process and analyze large volumes of sales calls, delivering insights to sales teams. Requires 4+ years experience with cloud infrastructure, databases, microservices, and distributed systems.
Senior engineer building WarpStream, a Kafka-compatible data streaming platform on object storage. Design, develop, and operate scalable backend services and distributed systems across AWS, GCP, and Azure; own projects end-to-end including storage engine, control plane, transactions, and multi-region clusters.
Build and scale the product backend (APIs, data, auth, billing, real-time metrics) powering E2B's Dashboard and SDK. 80% Go with some TypeScript/Next.js; requires 3-5+ years production backend experience, strong PostgreSQL skills, and end-to-end product ownership.
Build and operate distributed systems infrastructure for data localization and geographic compliance on Cloudflare's global edge network. Requires 3+ years building production distributed systems with deep knowledge of consistency models, failure modes, and languages like Go or Rust.