Staff Software Engineer – Performance, Weights & Biases

CoreWeave

. Take technical ownership of complex performance challenges across the W&B platform and infrastructure .

Posted 11/10/2026full-timeRemote • United StatesLead💰 $188,000 - $275,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in performance optimization and systems scalability, with a strong focus on designing and implementing benchmarking and load-testing frameworks. Proven ability to collaborate across teams and integrate performance measurement into CI/CD pipelines.

Highest-signal resume keywords

Performance OptimizationSystems ScalabilityGo ProgrammingLoad Testing FrameworksDistributed Systems Concepts

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Performance OptimizationSystems ScalabilityGo ProgrammingPython ProgrammingTypeScript ProgrammingLoad Testing FrameworksBenchmarking FrameworksSystems-Level DebuggingProfiling SkillsData Analysis

Soft Skills

CollaborationCross-Functional Initiative Leadership

Tools & Technologies

PrometheusGrafanaOpenTelemetryDatadogCI/CD Pipelines

Industry Keywords

Performance RegressionCachingQueuingConcurrencyResource Contention

Tech Stack

Tools & technologies

Distributed SystemsGrafanaPrometheusPythonTypeScriptGo

About the role

Key responsibilities & impact

Take technical ownership of complex performance challenges across the W&B platform and infrastructure
Design and lead experiments to improve system scalability and latency
Develop standardized benchmarking and load-testing frameworks
Drive initiatives to prevent performance regressions across product surfaces
Collaborate with product, infrastructure, and SRE teams
Investigate system behavior, contribute to architecture, and enable teams to measure and continuously improve performance
Embed performance thinking into development through data, automation, and collaboration

Requirements

What you’ll need

8+ years of experience as a software engineer, with at least 2 years focused on performance optimization, systems scalability, or observability
Proficiency in at least one of Go, Python, or TypeScript, with strong systems-level debugging and profiling skills
Deep understanding of distributed systems concepts, including caching, queuing, concurrency, and resource contention
Experience designing and implementing load testing, benchmarking, or performance regression frameworks
Familiarity with metrics and tracing systems such as Prometheus, Grafana, OpenTelemetry, or Datadog, and performance data analysis
Experience integrating performance measurement into CI/CD pipelines
Ability to design experiments, analyze large datasets, and draw actionable conclusions
Proven track record of driving cross-functional technical initiatives from design through adoption
Must satisfy U.S. export-control eligibility requirements: be a U.S. person, eligible to access export-controlled information without authorization, or eligible and reasonably likely to obtain authorization

Benefits

Comp & perks

Discretionary bonus
Equity awards
Medical, dental, and vision insurance - 100% paid for by CoreWeave
Company-paid Life Insurance
Voluntary supplemental life insurance
Short and long-term disability insurance
Flexible Spending Account
Health Savings Account
Tuition Reimbursement
Ability to Participate in Employee Stock Purchase Program (ESPP)
Mental Wellness Benefits through Spring Health
Family-Forming support provided by Carrot
Paid Parental Leave
Flexible, full-service childcare support with Kinside
401(k) with a generous employer match
Flexible PTO
Catered lunch each day in our office and data center locations
A casual work environment
A work culture focused on innovative disruption