Platform Engineer

Job Overview

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:

• Designing and building the E2B backend and core infrastructure, primarily in Go
• Working with VM hypervisors like Firecracker, gVisor, or Linux systems
• Building and optimizing runtimes and sandboxes for LLMs
• Developing networking solutions for secure, isolated environments
• Monitoring resources and optimizing sandbox performance, shaving off every millisecond
• Solving general infrastructure challenges at scale
• Working with orchestration technologies like Kubernetes or Nomad
• Collaborating closely with Distributed Systems Engineers

What we’re looking for

5+ years building infrastructure, especially distributed systems
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

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