Member of Technical Staff - Distributed Systems Engineer

Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. Build and operate a company-wide foundations platform that accelerates every team by providing reliable, scalable developer infrastructure, SRE capabilities, and high-throughput data ingestion tooling enabling Reflection to move faster as we scale. Build and operate the core shared services that power our research, training, and production environments.

Responsibilities

Build and operate shared services that multiple teams rely on across research and production workflows; Define and uphold reliability targets through SLIs, SLOs, and healthy on-call practices; Maintain strong operational readiness with runbooks, incident playbooks, and capacity planning; Ensure correctness and performance under load, addressing consistency, tail latency, and failure modes; Develop APIs, SDKs, and internal platforms that enable high-velocity experimentation and iteration; Reduce operational burden through better tooling, standardization, and platform patterns that scale across teams.

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; bias toward action and impact; Excited about zero to one challenges, building new systems rather than maintaining legacy ones; Collaborative, clear communicator, and comfortable working across research and infra boundaries; Motivated by creating the software backbone for the world’s most capable open-weight AI systems.

Benefits

Top-tier compensation: Salary and equity structured to recognize and retain our talent globally; Stock options; Health & wellness: Comprehensive medical, dental, vision, and life, with an annual wellness allowance; Meals: Lunch and dinner are provided in the office daily; Life & family: 22 weeks paid parental leave for all new birthing and non-birthing parents, including adoptive and surrogate journeys; Vacation days: Unlimited paid time off in the U.S. and 30 days in the U.K.; Sponsorship support: We sponsor visas to help exceptional talent join our team and support long-term immigration pathways where applicable; Team building: We have regular off-sites, happy hours, and team celebrations.