Software factory for product teams. Backed by Y Combinator.
About the role
We’re looking for a senior software engineer to work on the systems that launch, run, and retire sandbox environments for agent-driven software changes. You’ll own infrastructure work from design to production operation, and work closely with the product and engineering team to make each session fast to start, useful to collaborate in, and safe to review. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- You’ve built and operated production infrastructure for developer tools, cloud applications, CI systems, or other products that run user or agent workloads
- You have hands-on experience with ephemeral sandboxes or remote execution. Experience with E2B, Blaxel, or a comparable platform is especially relevant
- You understand isolation and its tradeoffs, including containers or VMs, access to secrets, networking, tenancy, and what can fail when untrusted code runs
- You can build the application-side systems around infrastructure, such as APIs, job orchestration, state management, and integrations with code repositories
- You can diagnose production incidents using logs, metrics, and traces, and turn what you learn into simpler, more reliable systems
- You write clear technical plans, make pragmatic tradeoffs, and take responsibility for the behavior of a system after it ships
More about this role
LightSprint brings product and engineering teams into one shared workflow for building software. Coding agents work on real codebases in isolated sandboxes, with previews people can inspect before changes go through engineering review and merge.
We want it to feel simple to the person asking for a change and dependable to the engineer responsible for the code. The infrastructure underneath has to make both possible.
We’re looking for a senior software engineer to work on the systems that launch, run, and retire sandbox environments for agent-driven software changes. You’ll own infrastructure work from design to production operation, and work closely with the product and engineering team to make each session fast to start, useful to collaborate in, and safe to review.
This is a hands-on role for someone who can move between application code and cloud infrastructure. You should enjoy debugging a failed environment as much as designing the system that prevents the next one.
Build reliable sandboxes. Improve how environments are provisioned, configured, isolated, observed, and cleaned up as agents work on customer codebases.
Make previews dependable. Help teams get working preview...
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