Toolmill Briefswhat companies are building, read from their hiring

Company brief · updated 2026-10-19

E2B

e2b.dev · software industry · The AI Agent Cloud. An isolated machine for every AI agent: run code, browse, use tools, pause, fork. In our cloud or your AWS, GCP, or Azure account. 100K+ teams, 1B+ sandboxes started.

14open roles
3new in 30 days
0closed in 30 days
0remote-eligible
steadyhiring velocity

What they're building

Sandbox runtime and cloud platform (Agent Cloud) strong signal

Today: "one API, an isolated microVM per session, in our cloud or your AWS, GCP, or Azure account"

Roles: Platform Engineer · Engineering Team Lead, Platform

Requirements mention: Deep Linux internals · Firecracker · bin-packing algorithms · distributed systems · Leading a platform engineering team

Inference: two Platform Engineer postings (one in Prague, one in San Francisco) and a Prague platform team lead role point to continued work on the microVM runtime and its scheduling. The postings describe this as "the next cloud platform for running AI software." The San Francisco posting has been open since 2025-09-29, which suggests the role is hard to fill.

Billing system redesign and metered usage strong signal

Today: "Free to start. Billed by the second."

Roles: Billing Engineer · Product Engineer - Backend Developer

Requirements mention: Stripe · Billing Meters · metered usage · Pay-as-you-go · invoicing · billing

Inference: the Billing Engineer posting (Prague) says they are "taking over and redesigning the billing system end to end," including the metering pipeline, Stripe integration, invoicing and collections. The San Francisco backend role also lists billing and usage metrics, so billing work touches teams in both cities.

Dashboard and SDK backend for developers moderate signal

Today: "developers use to run, monitor, and debug their sandboxes" (from the Product Engineer postings)

Roles: Product Engineer - Backend Developer

Requirements mention: E2B Dashboard · SDK · real-time log/metric pipelines · WebSockets · SSE

Inference: two Product Engineer - Backend Developer postings, one in Prague and one in San Francisco, both cover the APIs and services behind the dashboard and SDK. This points to ongoing work on the developer-facing backend.

Setting up developer marketing, content and community in San Francisco strong signal

Today: Site: developers "reached for the tools they already had: Docker containers, Kubernetes, a VM somewhere"

Roles: Founding Product Marketing Lead · Technical Copywriter · Founding Community & Ecosystem Lead · Videographer & Video Editor

Requirements mention: developer marketing · comparison pages · migration pages · usage-based pricing · hackathons · ambassador program · technical articles

Inference: four Marketing postings, all in San Francisco, cover positioning, technical content, community and video. Two carry 'Founding' titles and two opened in the last 30 days. This suggests the company is building its developer go-to-market function for the first time, with comparison and migration content aimed at teams moving off containers or VMs.

Data foundation for internal analysis weak signal

Today: Internal function: data that "helps the company understand its business" (from the posting)

Roles: Senior Data Engineer

Requirements mention: shared metric definitions · reconciliation · BigQuery · Snowflake

No inference: only one role points to this work.

Where the headcount is going

DepartmentOpen
Engineering8
Marketing4
Talent1
Operations1

Of 13 open roles, 7 are in Engineering, 4 are in Marketing, and 1 each in Talent and Operations; 4 opened in the last 30 days and none closed.

Who they need

Seniority: Mostly senior: 7 senior, 3 mid, 1 manager, 1 director, and 1 with no level stated.

Skills named most: Go, Firecracker, Kubernetes, Nomad, PostgreSQL, Rust, C/C++, eBPF, distributed systems, TypeScript, SQL, Python

Locations: San Francisco (9 roles) and Prague, Czech Republic (4 roles). No remote roles.

How to use this

If you're applying: Engineering is the largest group. Platform and backend roles are open in both Prague and San Francisco, and the billing and platform team lead roles are in Prague. All roles are on-site. Check the fit lines against each posting's hard requirements, such as location and Go, PostgreSQL or Linux internals experience, before applying.

If you're selling or recruiting: Engineering has 7 of 13 open roles. The four postings from the last 30 days are Senior Data Engineer, Billing Engineer (Prague), Founding Product Marketing Lead and Videographer & Video Editor; the three that are not in Prague are in San Francisco. Marketing has 4 San Francisco roles, two with 'Founding' titles, which points to a new developer marketing function. The San Francisco Platform Engineer role has been open since September 2025. Ask whether the billing redesign or platform work is the current priority.

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Open roles (14)

TitleDepartmentLocationPosted
Support EngineerEngineeringPrague, Czech Republic2026-10-13
Senior Data EngineerEngineeringSan Francisco2026-10-06
Founding Product Marketing LeadMarketingSan Francisco2026-09-30
Videographer & Video EditorMarketingSan Francisco2026-09-23
Billing EngineerEngineeringPrague, Czech Republic2026-09-21
Technical Copywriter MarketingSan Francisco2026-08-31
Founding Community & Ecosystem LeadMarketingSan Francisco2026-08-31
Engineering Team Lead, PlatformEngineeringPrague, Czech Republic2026-07-17
Product Engineer - Backend DeveloperEngineeringPrague, Czech Republic2026-07-17
Product Engineer - Backend DeveloperEngineeringSan Francisco2026-07-17
Platform EngineerEngineeringPrague, Czech Republic2026-06-26
Technical RecruiterTalentSan Francisco2026-06-12
Business OperationsOperationsSan Francisco2026-05-01
Platform EngineerEngineeringSan Francisco2025-09-29