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ReflectionAI

Technical Staff, Training - NYC

Sorry, this job was removed at 10:17 p.m. (EST) on Tuesday, Oct 07, 2025
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New York, NY, USA
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New York, NY, USA

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The Regional Business Partner supports HR operations across multiple locations, handling employee relations, compliance, policy execution, and supporting visa processes. They advise on people issues, analyze data for trends, and ensure operational efficiency while maintaining a consistent employee experience across regions.
Our Mission

Reflection’s mission is to build open superintelligence and make it accessible to all.

We’re developing open weight models for individuals, agents, enterprises, and even nation states. Our team of AI researchers and company builders come from DeepMind, OpenAI, Google Brain, Meta, Character.AI, Anthropic and beyond.

Role Overview:

As a member of the technical staff focused on research and training at Reflection, you will work at the forefront of AI research, conducting groundbreaking studies at the intersection of large language models (LLMs) and reinforcement learning (RL) to build superintelligent autonomous coding systems. You will explore novel methodologies, push the boundaries of LLM capabilities, and contribute directly to the development of agentic AI systems that redefine what is possible in autonomy.

Key Responsibilities:
  • Conduct original research in DL and RL with a focus on advancing the capabilities of LLMs and agentic systems.

  • Collaborate with world-class researchers to design and execute experiments that lead to breakthrough innovations.

  • Explore novel architectures, training methodologies, and reinforcement learning techniques to enhance model autonomy and decision-making.

  • Mentor and collaborate with junior researchers and engineers to foster a culture of innovation and excellence.

Qualifications:
  • Proven track record of conducting breakthrough research at a top lab in industry or academia 

  • Experience building state-of-the-art language model or reinforcement learning systems at a frontier lab in industry or academia.

  • Deep expertise in language models or reinforcement learning, with a strong track record of impact in your previous roles.

  • Prior experience working with LLMs or foundation models is strongly preferred.

  • A passion for building agentic systems and advancing the state of AI autonomy.

What We Offer:

We believe that to build superintelligence that is truly open, you need to start at the foundation. Joining Reflection means building from the ground up as part of a small talent-dense team. You will help define our future as a company, and help define the frontier of open foundational models.

We want you to do the most impactful work of your career with the confidence that you and the people you care about most are supported.

  • Top-tier compensation: Salary and equity structured to recognize and retain the best talent globally.

  • Health & wellness: Comprehensive medical, dental, vision, life, and disability insurance.

  • Life & family: Fully paid parental leave for all new parents, including adoptive and surrogate journeys. Financial support for family planning.

  • Benefits & balance: paid time off when you need it, wellness and time-saver stipend, commute benefits, education stipend, and relocation support.

  • Opportunities to connect with teammates: lunch and dinner are provided daily. We have regular off-sites and team celebrations.

HQ

ReflectionAI New York, New York, USA Office

300 Kent Ave, New York, New York, United States, 11249

What you need to know about the NYC Tech Scene

As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.

Key Facts About NYC Tech

  • Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
  • Key Industries: Artificial intelligence, Fintech
  • Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
  • Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory

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