Member of Engineering (Agent Sandboxes)

Poolside
United Kingdom, United States
Workplace: RemoteFull timeFunction: DevOps, Cloud & InfrastructureSkills: ["Self-driven","Balance speed and quality","Willing to reprioritize","Distinguish high-impact work"]

Build and operate a secure, reliable, high-performance sandboxed agent execution environment for research and product teams. Design and develop the end-to-end feature lifecycle, collaborate cross-team to meet sandbox needs, and continuously improve reliability and performance. Work at scale (hundreds of thousands to millions of environments) while evaluating isolation techniques, using tools and runtimes such as Kubernetes, container/VM orchestration, and cloud infrastructure.

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FursaFursa
Poolside
Poolside
9 months ago

Member of Engineering (Agent Sandboxes)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 23 hours agoStatus: Live

Job Summary

Build and operate a secure, reliable, high-performance sandboxed agent execution environment for research and product teams. Design and develop the end-to-end feature lifecycle, collaborate cross-team to meet sandbox needs, and continuously improve reliability and performance. Work at scale (hundreds of thousands to millions of environments) while evaluating isolation techniques, using tools and runtimes such as Kubernetes, container/VM orchestration, and cloud infrastructure.
Location: United Kingdom, United States
Workplace: Remote
Employment Type: Full time
Job Function: DevOps, Cloud & Infrastructure

Key Responsibilities

  • •Design and develop a sandboxed execution environment for agent research and product development.
  • •Own the complete development cycle for new features and capabilities in the agent execution environment.
  • •Collaborate with other teams to discuss, guide, and meet their needs in the sandbox and code execution environment.
  • •Continuously improve the reliability and performance of the agent execution environment.
  • •Explore and evaluate different isolation techniques for the sandbox environment.

Pay and Benefits

Perks:Remote WorkHealth InsuranceParental LeaveHome OfficeEquipmentPaid Leave

Key Requirements

  • •Strong programming skills, especially Go, Python, or other systems programming languages.
  • •Experience in distributed systems.
  • •Experience with Kubernetes or similar container/VM orchestration systems, including familiarity with public clouds such as AWS or GCP.
  • •Experience designing and building distributed systems and using virtualization or container runtimes.
  • •Experience building large-scale CI/CD platforms; experience supporting large-scale machine learning workloads is a plus.
Experience:Machine learningDistributed systems
Skills:Self-drivenBalance speed and qualityWilling to reprioritizeDistinguish high-impact work
Tech Stack:GoPythonSystems programmingKubernetesContainer runtimeVirtualizationAWSGCPCI/CDVM orchestrationSandboxed execution environment

Company Brief

Poolside
Builds foundation models, coding agents, and enterprise systems to automate and accelerate software development; offers on-prem/VPC deployments, developer tooling, and forward-deployed engineering for high‑security environments.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2023
WebsiteLinkedIn