Member of Technical Staff - Shared Services

Highlights

• Build shared services powering research, training, and production environments.
• Operate a foundations platform accelerating every team as the company scales.
• Help define the future of open foundational models from the ground up.

What they offer

• Top-tier compensation: Salary and equity structured to recognize and retain talent globally.
• Stock options for everyone who joins and contributes to Reflection's success.
• Comprehensive medical, dental, vision, and life, with an annual wellness allowance.
• Lunch and dinner are provided in the office daily.
• 22 weeks paid parental leave for all new birthing and non-birthing parents.
• Unlimited paid time off in the U.S. and 30 days in the U.K.
• Sponsorship support: We sponsor visas and support long-term immigration pathways.
• Regular off-sites, happy hours, and team celebrations.

Ideal candidate

High-agency builder who thrives in fast-paced startups and loves zero-to-one challenges. You collaborate across research and infra and care about powering open-weight AI.

Requirements

• Strong software engineering background with experience shipping production-grade systems.
• Experience designing APIs, services, or developer platforms that handle large-scale data or compute.
• Comfortable navigating complex codebases, debugging hard problems, and optimizing for reliability and speed.
• Thrive in a high-agency, fast-paced startup environment with bias toward action and impact.
• Excited about zero-to-one challenges, building new systems rather than maintaining legacy ones.
• Collaborative, clear communicator comfortable working across research and infra boundaries.
• Motivated by creating the software backbone for open-weight AI systems.