Clera

Lead Research Engineer, Data Quality

United States
Salary
$130,000 - $225,000 annually
Level
Lead
Work type
On-site
Visa
Sponsors visas

Open. First seen 6 November 2026.

Apply on the company's site →

About the role

About the Role

Lead the data quality team at an early-stage AI company building infrastructure for reinforcement learning and model evaluation. You will shape how training data is assessed and improved, helping research teams create more reliable and useful AI agents.

What You'll Do

  • Lead development of systems that evaluate tasks across reinforcement learning environments, synthetic data, benchmarks, and domain-specific workflows.
  • Set data quality strategy, establish standards, and design experiments to assess agent outputs.
  • Develop scalable methods for validating synthetic data, including failure analysis, task mutation checks, and trajectory audits.
  • Work with research engineers, domain experts, and data vendors to diagnose quality issues and improve data generation.
  • Turn research insights into production tools, dashboards, validation pipelines, and feedback loops.
  • Mentor research engineers and promote technical rigor, clear communication, and strong execution.

What We're Looking For

  • At least 5 years of research or engineering experience focused on AI/ML data evaluation or data quality systems.
  • Experience leading technical projects or teams through ambiguous problem definition, implementation, and iteration.
  • Advanced proficiency in Python, Docker, and Linux.
  • Background in AI evaluations, post-training, benchmarks, synthetic data pipelines, or model evaluation infrastructure.
  • Strong judgment about what makes agent training data realistic, learnable, diverse, reliable, and useful.
  • Experience designing metrics, experiments, and quality processes, and translating research findings into production systems.
  • Ability to work with subject-matter experts and convert domain judgment into scalable review or generation workflows.
  • Strong written communication, attention to detail, and experience in an early-stage startup environment.

Compensation & Benefits

Base salary: $130,000 to $225,000 annually. Visa sponsorship is available.

Location

On-site in the United States. The primary city was not specified.

What this role asks for

Particular to this role

Docker · Linux

Rare in Clera's other 299 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Compared with Clera's other open jobs.

The team: Engineering HIRES STEADILY

This role is one of 358 open in Engineering. 226 were posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

LLM (180 of 358), TypeScript (177 of 358), React (154 of 358), Python (146 of 358), Machine Learning (74 of 358), Supabase (73 of 358), PostgreSQL (68 of 358)

OTHER ROLES ON THIS TEAM

From the team and dates on Clera's own job board.

Posting history

Reposted 2 times since 6 October 2026: a posting for this role in United States was taken down and the role was posted again.

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