Lean Engineer

Resolution

. Drive the organization-wide initiative to make Resolution effective at Lean at scale .

Posted 10/6/2026full-timeBerkeley • California • United StatesMid-LevelSenior💰 $208,000 - $930,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Lean and autoformalization, with a strong background in mathematics or theoretical computer science. Capable of guiding Lean initiatives, developing strategic structures, and collaborating effectively with researchers and engineers.

Highest-signal resume keywords

Lean ProgrammingAutoformalizationMathematics BackgroundLean Community PracticesAI Power User

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

LeanMathlibTactic DevelopmentMetaprogrammingProof AutomationFormalization ProjectsAI-Assisted ResearchAutomated Evaluation

Soft Skills

Clear CommunicationClose Collaboration

Tools & Technologies

Lean Tooling

Certifications & Qualifications

Bachelor's Degree

Industry Keywords

FormalizationProof HarnessesCode Review WorkflowsShared Lean LibrariesReliabilityMaintainabilityPerformance

About the role

Key responsibilities & impact

Drive the organization-wide initiative to make Resolution effective at Lean at scale
Guide Lean usage and develop strategic structures for autoformalization efforts
Establish conventions, architecture, and review structures for reliable agent-generated Lean
Build and maintain proof harnesses and code review workflows
Build and maintain shared Lean libraries with clear definitions and useful abstractions
Consolidate overlapping formalizations and resolve inconsistent definitions
Improve reliability, maintainability, and performance of shared Lean projects
Support researchers in developing custom tools, tactics, and workflows
Champion Lean and autoformalization throughout the organization
Work closely with researchers and engineers across research divisions, central engineering, and automation roles
Enable AI agents to produce and consume Lean reliably at scale

Requirements

What you’ll need

Several years of experience writing Lean and mathlib
Expertise in Lean community practices
Experience with autoformalization
AI power user
Strong mathematics or theoretical computer science background
Relevant bachelor's degree at minimum
Clear communication and close collaboration with researchers and engineers
Contributions to mathlib or other substantial Lean libraries may be advantageous
Experience designing or maintaining large formalization projects may be advantageous
Experience with Lean tooling, tactic development, metaprogramming, or proof automation may be advantageous
Experience with AI-assisted mathematical research or automated evaluation may be advantageous

Benefits

Comp & perks

Five weeks of paid vacation plus public holidays
Comprehensive medical, dental, and vision insurance
Unlimited sick leave
Unconditional 401(k) contribution equal to 4% of salary
Visa sponsorship for relocation to Berkeley may be available