Senior Software Engineer, Sandboxes
New
D
DockerDeveloper Tools
England, Portugal, Spain, Italy, Germany, United States; prioritizing candidates currently located in the Eastern time zone (US or Canada), or in the EU., Eastern time zone preferredFull-TimeSenior
SalaryEU: €94,040 – €155,650 + equity; United States: $160,900 – $260,700 + equity
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Job Details
- Experience
- 8+ years
- Required Skills
- LinuxSoftware Engineering
Requirements
- 8+ years of software engineering experience, with demonstrated technical leadership on production systems at scale.
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
- Experience building developer tools, desktop applications, or runtime infrastructure used directly by developers.
- Familiarity with the agentic software development ecosystem: how coding agents work and how tools like Claude Code, Codex, or similar agents interact with their environment.
- Ability to reason about isolation and security boundaries: what a sandbox should and shouldn't expose, and how to make safe defaults obvious to users.
- Experience driving architecture and technical strategy across multiple engineers or teams.
- Strong written and verbal communication skills.
- Comfortable working with a high degree of autonomy in a remote-first environment.
Responsibilities
- Design, develop, and lead improvements to the sandboxes product across agent integration, tool permissions, and developer-facing workflows.
- Investigate and resolve correctness, performance, and stability issues in the agent integration layer across macOS, Windows, and Linux.
- Drive the reliability and performance of sandbox creation, session management, and teardown for AI agent workloads.
- Collaborate with peers, Product, and adjacent teams to evolve the architecture as requirements grow.
- Mentor engineers on the team and set the bar in design reviews and code reviews.
- Engage with the open source and agentic development community around sandboxing, MCP, and related ecosystems.
- Participate in on-call rotations and respond to critical stability issues affecting users.
- Document your work clearly and share knowledge with the rest of the team.
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