Systems Engineer

E2B

E2B

Software Engineering
Prague, Czechia
Posted on Aug 15, 2025

Location

Prague

Employment Type

Full time

Location Type

On-site

Department

Engineering

🌁 Location: Prague, in-person only

💰 Salary: 150k CZK - 300k CZK per month + 📈 Equity

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

👉 Who we are

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.

👉 About the role

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. Building with VM hypervisors like Firecracker, gVisor, or Linux system

  2. Resource monitoring of sandboxes

  3. Developing networking solutions for secure, isolated environments

  4. Optimization of E2B sandbox performance and shaving off every millisecond

  5. Building new kind of programming language runtimes for LLMs

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!

👉 What we’re looking for

  • 5+ years building infrastructure, especially distributed systems

  • Experience building infrastructure on scale

  • Excited to work in person from San Francisco on a devtool product

  • Detail-oriented with a great taste

  • Excited to work closely with our users

  • Not being afraid to take ownership of the part of our product

  • If you join E2B, you’ll get a lot of freedom. We expect you to be proactive and take ownership. You’ll be taking projects from 0 to 1 with the support of the rest of the team.

👉 What it’s like to work at E2B

  • 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