Platform Engineer

💻 Skills: Go, Rust, Networking, Shell, Virtualization, Sandboxing, Systems Security, Language Runtimes, Hypervisors (Firecracker, Cloud Hypervisor, gVisor), Linux internals, Kernel

E2B is a fast growing Series A startup with 7-figure revenue. We've raised over $32M in total since our funding in 2023 and are supported by great investors like Insight Partners. Our customers are companies like Perplexity, Hugging Face, Manus, or Groq. We're building the next hyperscaler for AI agents.

You will be building the next cloud platform for running AI software — a cloud where AI apps are building other software apps.

Your job will be:

1. Designing and building the E2B backend and core infrastructure, primarily in Go

2. Working with VM hypervisors like Firecracker, gVisor, or Linux systems

3. Building and optimizing runtimes and sandboxes for LLMs

4. Developing networking solutions for secure, isolated environments

5. Monitoring resources and optimizing sandbox performance, shaving off every millisecond

6. Solving general infrastructure challenges at scale

7. Working with orchestration technologies like Kubernetes or Nomad

8. Collaborating closely with Distributed Systems Engineers

We’re looking for an infrastructure engineer with a diabolical obsession with making things run fast and efficiently and running A LOT of them at the same time.

If this sounds exciting to you, we want to hear from you!

• 5+ years building infrastructure, especially distributed systems

• 5+ years of Linux administration - knowledge of Linux fundamentals: bootloader, kernel, package management, networking, storage, namespaces, containers

• Programming experience in Go, Rust, Python, Ruby, C or similar

• Experience building and operating infrastructure at scale

• Excited to work in person from Prague on a devtool product

• Detail-oriented with great taste in design and engineering

• Comfortable working closely with users

• Proactive, not afraid to take ownership of part of the product

• Excited to take projects from 0 → 1 with the support of the team

• Work at a fast-growing startup at an early team (we grow 20%-100% MoM)

• We ship fast, but don’t release junk

• We like hard work and problems. Challenges mean potential value.

• We have a long runway and can offer a competitive salary for the startup at our stage

• Work closely with other AI companies on the edge of what’s possible today

• Dogfooding our own product on projects like Fragments

• No meetings, highly writing, and transparent culture

• You’re the decision maker in day-to-day, important product and roadmap decisions are on Vasek (CEO) and Tomas (CTO)

• Spend 10-20% of the roadmap on highly experimental projects