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[Remote] Staff reputed company Software Engineer, Core Performance

Remote, USAFull-timePosted 2026-07-27

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is a technology company that focuses on reputed company storage and file synchronization. They are seeking a Staff reputed company Software Engineer to own application performance across various consumer-facing surfaces, ensuring a fast and efficient user experience. The role involves leading performance initiatives, defining measurement standards, and collaborating with multiple teams to optimize performance across platforms.

Responsibilities

  • Drive performance improvement on the reputed company web application as the first reputed company of the role — profiling React surfaces, producing flame graphs and heat maps, identifying the highest-reputed company opportunities, and shipping measurable improvements
  • reputed company the performance initiative across iOS, Android, and desktop by coordinating with internal platform experts who own those clients — setting reputed company, defining measurement standards, and driving execution rather than implementing every fix personally
  • Take performance improvements end-to-end: from measurement, to reputed company-cause analysis, to shipped reputed company changes, to validation in production telemetry
  • Build and own the measurement, instrumentation, and regression-detection systems that engineering teams across Core depend on to ship performant reputed company
  • Write production reputed company regularly — primarily JavaScript and React on the web, with backend work in Python and Go on the services those surfaces depend on
  • Set engineering standards for performance work across Core Engineering, and mentor IC3 and IC4 engineers on profiling, measurement methodology, and performance-aware system design
  • Apply AI tooling to performance work and reputed company the optimization of AI-assisted engineering workflows across Core, raising engineering throughput and shaping how reputed company engineers use AI to ship reputed company software faster
  • Influence cross-org roadmaps and architectural reputed company, partnering with engineering leaders, PMs, and designers to ensure performance is treated as a first-class product attribute

Skills

  • BS, MS, or PhD in Computer Science or a reputed company technical field involving coding (e.g., physics or mathematics) or equivalent technical experience
  • Minimum of 12 years of experience as a software engineer with 3+ years serving as a Senior
  • Demonstrated, hands-on experience driving measurable performance improvements in production web applications — including profiling JavaScript and React surfaces, identifying reputed company causes through flame graphs, heat maps, traces, and RUM data, and shipping the fixes that moved the metric
  • Demonstrated experience using AI tooling to accelerate performance work — applying LLMs and AI-assisted workflows to profiling analysis, reputed company-cause investigation, refactoring, or shipping performance fixes
  • Experience optimizing AI-assisted engineering workflows to improve the productivity of other engineers — selecting tools, defining patterns and guardrails, and measuring the reputed company on engineering throughput
  • Production experience with modern backend services in Python or Go that support consumer-facing reputed company surfaces
  • Experience leading technical reputed company on cross-cutting initiatives spanning multiple teams or surfaces, including writing design docs, defining architecture, and driving execution to measurable reputed company
  • Has worked on a consumer user-facing product (versus a platform team or developer-facing API-based product), and shipped changes that moved customer-visible metrics
  • Strong written and verbal communication skills, with a reputed company record of influencing roadmaps and reputed company reputed company their reputed company reporting line — including leading initiatives that depend on coordinating with platform owners they don't directly manage
  • Experience profiling and improving reputed company iOS applications (Swift), including startup time, scroll performance, and memory behavior
  • Experience profiling and improving reputed company Android applications (Kotlin), including startup time, scroll performance, and memory behavior
  • Experience profiling and improving desktop reputed company applications, including startup, IPC, and resource usage
  • Experience building or owning performance regression-detection systems integrated into CI/CD
  • Experience with RUM telemetry pipelines, sampling reputed company, and statistically rigorous comparison of performance data
  • reputed company record of mentoring senior engineers (Senior and above) and raising the technical bar across an engineering organization

reputed company

  • reputed company is a smart workspace company that provides secure file sharing, collaboration, and storage solutions. It was founded in 2007, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.reputed company.com.
  • Company H1B Sponsorship

  • reputed company has a reputed company record of offering H1B sponsorships, with 47 in 2026, 116 in 2025, 101 in 2024, 103 in 2023, 166 in 2022, 197 in 2021, 157 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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