Reflection

Member of Technical Staff - Data Platform

Reflection
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3 months ago
London, United Kingdom +2 moreSenior

Responsibilities

  • Design ingestion and orchestration patterns for batch and streaming workloads.
  • Build scalable compute and storage foundations for large-scale data processing.
  • Develop reproducible pipelines with versioning, backfills, and isolated execution environments.
  • Establish data quality, lineage, metadata, and governance signals for trusted production decisions.
  • Manage cost and performance through guardrails, budgets, partitioning, clustering, and continuous tuning.
  • Unify ingestion, processing, and workflow management across research, training, and production environments.
  • Debug and operate production-grade data pipelines and systems at scale.

Requirements

  • Strong data engineering background with experience shipping production-grade pipelines at scale.
  • Experience designing and owning end-to-end data systems for large-scale batch and streaming workloads.
  • Ability to debug complex pipeline failures, optimize cost and performance, and maintain data quality.
  • Comfort working in a high-agency, fast-paced, collaborative environment across research and infrastructure boundaries.
  • Interest in zero-to-one system building and creating the data backbone for open-weight AI systems.

Benefits

  • Top-tier compensation and equity structured for global talent, including stock options.
  • Comprehensive medical, dental, vision, and life insurance with an annual wellness allowance.
  • Lunch and dinner provided daily in the office.
  • 22 weeks of paid parental leave for birthing, non-birthing, adoptive, and surrogate parents.
  • Unlimited paid time off in the U.S. and 30 days of vacation in the U.K.
  • Visa sponsorship and support for applicable long-term immigration pathways.
  • Regular off-sites, happy hours, and team celebrations.
  • The role may be subject to U.S. export control authorization requirements.

Tech Stack

Apache AirflowApache BeamApache FlinkApache KafkaApache SparkGoogle BigQuerySnowflake

Categories

Data Engineering
Reflection

About Reflection

201-500 employees

Reflection is a New York–based, privately held research lab developing open foundational AI models and agentic coding tools for developers, enterprises, and public-sector users. The team includes former researchers from DeepMind, OpenAI, and Anthropic, and their work focuses on transparent, customizable systems that organizations can deploy with ownership and control.

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