Illumio · 1 day ago
Sr. Member of Technical Staff - Full Stack
Sunnyvale, CA
Full-time
Onsite
Mid, Senior Level
4+ years expIllumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. The role involves developing innovative full-stack applications, enhancing web application architecture, and optimizing user interactions to improve customer experience.
Cloud SecurityCyber SecurityData CenterSaaSSecurity
Responsibilities
Develop products that revolutionize network segmentation, enhancing the protection of data centers and cloud stacks against attacks
Design, develop, and test comprehensive full-stack applications using the latest native browser APIs, web servers, and frontend frameworks
Enhance the full-stack architecture of web applications, including deployment, configuration, build systems, component libraries, style guides, and responsiveness. Evaluate and adopt open-source solutions
Identify and optimize user interaction workflows across UI applications, ensuring quality and consistency
Collaborate with UI experts to make decisions around user experience and visual design
Work with other development teams to improve the usability of cross-services APIs
Implement industry best practices for linting, static typing, unit testing, and functional/integration testing to build robust and resilient products
Partner with Product Management to review, refine, and set product goals that exceed customer expectations
Develop a deep understanding of the fundamental problems our customers need to solve through interaction with stakeholders and peers
Qualification
Required
Bachelor's degree in computer science or a related field
4+ years of experience building UI for modern web applications and/or custom UI frameworks at scale
Strong foundation in software engineering and design pattern fundamentals
Proven problem-solving skills and the ability to optimize code for the best possible outcomes
Proficiency in modern web application development using JavaScript, CSS, and HTML, including ES6+ syntax, CSS levels, and HTML5+ standards
4+ years of experience with the React library
2+ years of experience building web services and developer tools, including API design, performance optimization, and production deployment
2+ years of experience with UI quality tools such as TypeScript and Cypress
A keen eye for aesthetics and UI details
Passion for software development, a willingness to constantly learn, stay updated with technological trends, and work effectively in a team setting
Preferred
Master's degree in computer science or a related field
Familiarity with tools like Redux and Reselect
Experience with protocols like gRPC, WebSockets, and database drivers
Knowledge of frameworks like Jest and React Testing Library
Experience with Docker, Kubernetes, and deployment pipelines such as ArgoCD and Jenkins
Company
Illumio
Illumio, the breach containment leader
501-1000 employees
H1B Sponsorship
Illumio has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (44)
2024 (26)
2023 (21)
2022 (12)
2021 (19)
2020 (24)
Funding
Current Stage
Late StageTotal Funding
$557.5MKey Investors
Thoma BravoJ.P. Morgan Asset ManagementGeneral Catalyst
2021-06-23Series F· $225M
2019-02-07Series E· $65M
2017-06-07Series D· $125M
Leadership Team
Andrew Rubin
CEO & Founder
Ben Verghese
Chief Technology Officer
Recent News
2025-12-19
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2025-12-15
Company data provided by crunchbase