Member of Technical Staff Engineering Lead Applications

Reflection is an AI research lab building open frontier models and a full AI stack for developers, enterprises, and public-sector users.

New York, United States
About Reflection

Reflection develops open-weight AI models, open-source software for customizing and running agents, AI-factory infrastructure, and related solutions. Its current research emphasizes large language models, reinforcement learning, and agentic reasoning.

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Skills

About the Role

You will lead, mentor, and grow full-stack engineers while remaining hands-on with the technical stack. You will prioritize work, manage projects, guide architecture, deliver internal and customer-facing product surfaces, and translate cross-functional needs into reliable systems and integrations.

Requirements

  • Experience building, mentoring, and growing engineering teams
  • Ability to lead a team of approximately 10 people
  • Deep full-stack engineering experience delivering production-grade applications
  • Strong coding ability
  • Experience across UI, API, and authentication layers
  • Experience integrating external systems or customer environments
  • Ability to guide strategy and execution

Responsibilities

  • Build, mentor, and grow a team of full-stack engineers
  • Lead engineering efforts for internal and customer-facing product surfaces
  • Make targeted individual-contributor contributions to the technical stack
  • Prioritize work and manage projects
  • Guide technical and architectural decisions for scalable, robust user experiences
  • Translate cross-functional needs into system designs, interfaces, and reliable customer integrations
  • Raise technical judgment, prioritization, communication, and execution standards

Benefits

  • Stock options
  • Medical, dental, vision, and life insurance
  • Annual wellness allowance
  • Daily in-office lunch and dinner
  • 22 weeks of paid parental leave
  • Unlimited paid time off in the U.S.
  • 30 days of vacation in the U.K.
  • Visa sponsorship support
  • Regular off-sites, happy hours, and team celebrations