Full Stack Engineer, Foundation
New
L
LaunchDarklyDevOps / Software
Remote - USFull-TimeSenior
Salary145,500 - 235,400 USD per year
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Job Details
- Experience
- 5+ years
- Required Skills
- Node.jsTypeScriptGoReactA/B testingLLM
Requirements
- 5+ years of full-stack engineering experience.
- Shipped AI-first features in production using MCP servers, agent frameworks, or LLM tool-use.
- Strong with TypeScript and React on the frontend.
- Able to code in Go or Node.js on the backend.
- Track record of moving product-led growth metrics.
- Hands-on experience with instrumentation, funnel analysis, and A/B testing.
- Experience defining a hypothesis, wiring up a flag, running tests, and analyzing results.
- Good instincts for developer onboarding.
- Collaborative experience working alongside product and design.
Responsibilities
- Drive features from problem framing through design partnership, full-stack implementation, instrumentation, rollout, and experimentation.
- Build the next version of LaunchDarkly's onboarding, including agentic flows that work inside a developer's IDE and plug into MCP servers and LLM-powered tooling.
- Instrument and analyze the growth funnel: signup, activation, first flag, first experiment, first paid conversion.
- Ship MCP server capabilities and agent skills that extend LaunchDarkly into the tools customers already use.
- Partner closely with PM, design team, and data analyst to turn qualitative signal from self-serve customers into shippable experiments.
- Dogfood LaunchDarkly by using flags, guarded rollouts, and experimentation on your own work.
- Support applications in production, including on-call.
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