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Senior Full Stack Engineer

Illumio
Full TimeseniorHybrid
HQ - Sunnyvale (Office)Posted 27 days ago

Role Overview

Illumio is hiring a Senior Full Stack Engineer. This is a full-time hybrid role, based in HQ - Sunnyvale (Office). Part of Illumio's Risk hiring, posted 3 weeks ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

Salary is not disclosed in this posting. Market median for Senior-level Risk roles is $108k-$160k (based on 28 comparable listings). Many employers share specifics during the interview process or after an initial screen.

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

JavaScriptTypeScriptReactAWSAzureDockerKubernetesGit

Job description

ONWARDS TOGETHER!

Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by the Illumio AI Security Graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters.

Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running.

Job Title: Full-Stack Engineer

Location: Onsite, Sunnyvale, California (5 days a week in the office)

Onwards Together!

Illumio, the pioneer and market leader of Zero Trust segmentation, prevents breaches from becoming cyber disasters. Illumio protects critical applications and valuable digital assets with proven segmentation technology purpose-built for the Zero Trust security model. Illumio ransomware mitigation and segmentation solutions see risk, isolate attacks, and secure data across cloud-native apps, hybrid and multi-clouds, data centers, and endpoints, enabling the world’s leading organizations to strengthen their cyber resiliency and reduce risk.

Illuminate the future with Illumio and join a team that’s passionate about developing cutting-edge security solutions that protect the world's most critical assets.

Our Team's Vision

Our Engineering team has established a culture based on thought leadership, independence, and responsibility. This powerful dynamic drives us forward as we work to make the digital world a safer place.

We are seeking an early career Full-Stack Engineer to join our dynamic team. The ideal candidate will have a strong foundation in both front-end and back-end development, with a focus on UI using React, TypeScript, and other modern JavaScript frameworks. Experience with APIs for distributed systems is highly valued. This role involves developing scalable and responsive web applications that meet the needs of our users.

Your Impact:

  • Innovate and Disrupt: Develop products that revolutionize network segmentation, enhancing the protection of data centers and cloud stacks against attacks.
  • Full-Stack Development: Design, develop, and test comprehensive full-stack applications using the latest native browser APIs, web servers, and frontend frameworks.
  • Architectural Contribution: 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.
  • User Interaction Optimization: Identify and optimize user interaction workflows across UI applications, ensuring quality and consistency.
  • User Experience and Design: Collaborate with UI experts to make decisions around user experience and visual design.
  • Cross-Team Collaboration: Work with other development teams to improve the usability of cross-services APIs.
  • Code Quality Ownership: Implement industry best practices for linting, static typing, unit testing, and functional/integration testing to build robust and resilient products.
  • Product Partnership: Partner with Product Management to review, refine, and set product goals that exceed customer expectations.
  • Customer Understanding: Develop a deep understanding of the fundamental problems our customers need to solve through interaction with stakeholders and peers.

Your Toolkit:

  • Experience: 5+ years of experience in full-stack/UI development.
  • Front-end Skills:
  • Proficient understanding of web markup, including HTML5 and CSS3.
  • Strong experience with JavaScript, TypeScript, React.js, and other JavaScript frameworks.
  • Back-end Skills:
  • Experience with modern backend technologies and RESTful API design.
  • (Nice to have) Experience developing microservices or working with service-oriented architectures.
  • Version Control: Experience with version control tools, particularly Git.

Bonus Points:

  • Masters in Computer Science or equivalent degree
  • Experience with Modern Front-end Build Pipelines: Familiarity with modern front-end build tools and pipelines.
  • Cloud Platforms: Experience with cloud platforms (AWS, Azure, or Google Cloud).
  • Containerization: Basic knowledge of containerization and orchestration tools (Docker, Kubernetes).

#LI-TD1 #LI-ONSITE

Our Commitment

Illumio believes that an environment of unique backgrounds, experiences, viewpoints, and individual contributions creates a culture of belonging, drives our future, and makes us stronger together in support of our customers and their success.

All official job offers from our company are extended directly by our recruitment team and will be sent through an official E-Signature document for your review and signature. Please be aware that we do not ask for any personal information in the process of extending offers of employment, such as financial details or social security numbers. Upon acceptance of any offer, we will request such information as part of the onboarding process prior to or on your first day of employment, and only after completing a background check through an authorized third-party vendor. If you receive any communication asking for personal details outside of these processes, please contact us immediately to verify the authenticity of the request. Your security is important to us, and we are committed to a safe and transparent hiring experience.

For roles in San Francisco and Los Angeles: Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Illumio will consider for employment qualified applicants with arrest and conviction records.

About Illumio

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Illumio

RiskHybrid

31 other open roles at Illumio on TryApplyNow.

Frequently Asked Questions

How do I apply for the Senior Full Stack Engineer position at Illumio?

Use the Apply button above to submit your application directly to Illumio. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Is the Senior Full Stack Engineer role at Illumio remote or in-office?

This is a hybrid role based in HQ - Sunnyvale (Office). Expect a mix of in-office and remote days, with the specific cadence set by the hiring manager.

What does a Senior Full Stack Engineer at Illumio earn?

Illumio has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Full Stack Engineer role at Illumio posted?

This role was posted on June 12, 2026 (27 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Senior Full Stack Engineer role at Illumio require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Illumio lists their specific requirements in the description below, so review the must-have qualifications closely before applying.

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