Rational Dynamics

Senior Full Stack Engineer

Rational Dynamics

full-time

Posted on:

Location Type: Hybrid

Location: BerkeleyCaliforniaUnited States

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Salary

💰 $180,000 - $240,000 per year

Job Level

About the role

  • Own, extend, and improve production full stack systems (frontend interfaces, APIs, and backend services): training pipelines, evaluation frameworks, model serving infrastructure, and monitoring. Focus on delivering reliable capability to customers
  • Optimize application performance, reliability, and user experience with a bias toward correctness in environments where errors are not recoverable
  • Translate product requirements into production-grade application features that solves real customer problems, as an embedded member of the research & ML team
  • Design and maintain testing, observability, and monitoring infrastructure across the stack to enable fast, high quality research and deployment to enable Rational Dynamics to move quickly, and deliver a high quality product with confidenceIntegrate third-party model APIs and LLM orchestration frameworks into the platform
  • Support deployment of full stack features in complex enterprise environments
  • Continuously improve system performance through disciplined benchmarking and iteration

Requirements

  • 5+ years of experience building and maintaining full stack applications in production
  • Track record of shipping full stack applications where reliability and correctness were non-negotiable, not demo-quality or research-only work
  • Command of modern frontend frameworks (React preferred) and backend development such as PyTorch or JAX
  • Strong skills in latency and cost optimization at scale, including efficient inference, serving optimization, and resource-aware model deployment
  • Strong programming skills in a backend language such as Python or Node, along with strong frontend development skills
  • Comfort operating on a small team with minimal process, high ownership, and significant ambiguity
  • Demonstrated experience deploying full stack applications in real production environments serving end users or customers.
Benefits
  • medical, dental, and vision coverage
  • life and AD&D insurance
  • 20 days of paid time off
  • nine sick days
  • 401(k) plan with a company match
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
full stack developmentfrontend frameworksReactbackend developmentPyTorchJAXapplication performance optimizationlatency optimizationresource-aware model deploymentPython
Soft Skills
ownershipadaptabilityproblem-solvingteam collaborationcommunication