Full Stack Software Engineer

The role

You will design, develop, and deliver full-stack features across frontend and backend systems. You will build scalable web applications and own features through the full development lifecycle.

What you will do

• Design, develop, and deliver full-stack features across frontend and backend systems
• Build scalable and responsive web applications using modern frontend frameworks and distributed backend services
• Contribute to architecture decisions including frontend infrastructure, CI/CD pipelines, build systems, and application design patterns
• Own end-to-end quality including unit, functional, and integration testing
• Partner cross-functionally with Product Management, Design, and backend teams
• Optimize user workflows and application performance
• Develop and integrate APIs and services to enable communication across distributed systems
• Monitor application performance and resolve production issues
• Improve code quality, maintainability, and developer experience

Required qualifications

• 3–5+ years of professional experience in full-stack or UI-focused software engineering
• Strong frontend experience with React, TypeScript, JavaScript, HTML5, and CSS3
• Experience building backend services and APIs using Node.js, TypeScript, or similar technologies
• Solid understanding of RESTful API design and distributed system communication patterns
• Experience with modern build systems, CI/CD pipelines, and frontend tooling
• Familiarity with version control systems (Git) and collaborative development workflows
• Understanding of performance optimization, browser rendering, and debugging techniques
• Knowledge of testing frameworks and best practices across frontend and backend layers
• Bachelor’s degree in Computer Science or related field

Nice to have

• Exposure to cloud platforms (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes)
• Master’s degree
• Experience building microservices or service-oriented architectures
• Familiarity with accessibility standards (WCAG 2.0+) and inclusive design practices
• Experience with frontend performance monitoring and metrics (e.g., INP, latency optimization)
• Exposure to large-scale SaaS platforms or cybersecurity products
• Experience working closely with design systems and component libraries

Before you apply

• Job offer is contingent upon the applicant’s capacity to serve in compliance with U.S. export controls
• Offers are extended after a background check through an authorized third-party vendor

About the company

Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. The company is a pioneer and market leader of Zero Trust segmentation.