Senior/Staff Software Development Engineer

Jobs in JS; Sunnyvale (CA); On-site; USD 150,000 - 183,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life & disability insurance

401(k)

Paid holidays

Vacation time

Sick time

Comprehensive leave program

Job summary

Fortinet is seeking a Staff Frontend Engineer to join our FortiWeb team, responsible for building and maintaining the web-based management interface of our industry-leading WAF solution. You will drive modernization, implement micro-frontend patterns, and partner with backend and UX teams.

You should have 5+ years frontend experience, strong Angular/React expertise, and a track record migrating legacy enterprise apps.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent professional experience.
• 5+ years of professional frontend development experience.
• 3+ years of hands-on experience with Angular (v14+) / React and TypeScript.
• Proven track record of leading large-scale application modernization projects.

Responsibilities

• Lead migration from legacy frameworks to modern Angular 21+ and React 18+.
• Design and implement micro-frontend architecture for multiple sub-applications.
• Build scalable state management with RxJS and MobX/Redux.
• Establish frontend best practices and architectural patterns for the team.
• Collaborate with backend teams to define API contracts and integration patterns.
• Work with UX/UI teams to implement enterprise design systems.
• Mentor junior engineers through code reviews and guidance.

Skills

Angular/React

TypeScript

RxJS

Build tools

Education

Bachelor's degree in CS/Engineering or equivalent

Tools

Webpack/Vite

Git

CI/CD

Kubernetes/Docker

Job description

We are seeking a Staff Frontend Engineer to join our FortiWeb team, responsible for developing and maintaining the web-based management interface of our industry-leading Web Application Firewall (WAF) solution. This role requires expertise in modern Angular/React development combined with experience migrating legacy enterprise applications.

Key Responsibilities

Technical Leadership

• Lead the migration strategy from legacy frameworks to modern Angular 21+ and React 18+
• Design and implement micro-frontend architecture for multiple sub-applications
• Build scalable, observable state management solutions using RxJS and MobX/Redux
• Establish frontend best practices and architectural patterns for the engineering team
• Collaborate with backend teams to define API contracts and integration patterns
• Work with UX/UI teams to implement enterprise design systems
• Partner with DevOps to optimize CI/CD pipelines and build performance
• Mentor junior engineers through code reviews and technical guidance

Required Qualifications

Education & Experience

• Bachelor's degree in Computer Science, Engineering, or equivalent professional experience
• 5+ years of professional frontend development experience
• 3+ years of hands-on experience with Angular (v14+) / React and TypeScript
• Proven track record of leading large-scale application modernization projects

Technical Skills

Category

Required Technologies

• Frameworks

  Angular 14+, AngularJS 1.x, React 18

• Language

  TypeScript 5+, JavaScript ES2022+

• State Management

  RxJS 7+, Observables, MobX/Redux

• Styling

  SCSS, CSS Variables, Design Systems

• Build Tools

  Webpack, Vite, Angular CLI

• Testing

  Jasmine, Karma, Jest

• Tools

  Git, pnpm/Yarn, ESLint, Prettier

Core Competencies

Hybrid Architecture Expertise

• Experience with legacy and modern framework coexistence
• Proven ability to migrate legacy applications without service disruption

Micro-frontend Architecture

• Hands-on experience with micro-frontend frameworks
• Understanding of application isolation, state sharing, and routing coordination

Enterprise Application Patterns

• Permission-based routing and role-based access control (RBAC)
• HTTP interceptor chains for cross-cutting concerns
• Multi-tenant architectures

Security & Performance

• CSRF/XSS prevention implementation
• Bundle splitting and lazy loading strategies
• Memory optimization for large-scale applications

Preferred Qualifications

Domain Knowledge

• Web Application Firewall (WAF) or cybersecurity product experience
• Network security infrastructure management interfaces
• ToB/Enterprise admin interface design patterns

Additional Technical Skills

• Enterprise design systems (Material UI, etc.)
• Data visualization libraries (D3.js)
• CI/CD pipeline configuration
• Container orchestration (Kubernetes, Docker)

Leadership

• Open source contributions
• Technical blog posts or conference speaking experience

Must be authorized to work in the U.S. without sponsorship.

The US base salary range for this full-time position is $150,000-$183,000. Fortinet offers employees a variety of benefits, including medical, dental, vision, life and disability insurance, 401(k), 11 paid holidays, vacation time, and sick time, as well as a comprehensive leave program.

Wage ranges are based on various factors, including the labour market, job type, and job level. Exact salary offers will be determined by factors such as the candidate's subject knowledge, skill level, qualifications, experience, and geographic location.

All roles are eligible to participate in the Fortinet equity program. Bonus eligibility is reviewed at the time of hire and annually at the Company’s discretion.

Why Join Us

We encourage candidates from all backgrounds and identities to apply. We offer a supportive work environment and a competitive Total Rewards package to support you with your overall health and financial well-being.

Embark on a challenging, enjoyable, and rewarding career journey with Fortinet. Join us in bringing solutions that make a meaningful and lasting impact to our 890,000+ customers around the globe.

Fortinet (NASDAQ: FTNT) secures the largest enterprise, service provider, and government organizations around the world. Fortinet empowers its customers with intelligent, seamless protection across the expanding attack surface and the power to take on ever-increasing performance requirements of the borderless network - today and into the future. Only the Fortinet Security Fabric architecture can deliver security without compromise to address the most critical security challenges, whether in networked, application, cloud or mobile environments. Fortinet ranks number one in the most security appliances shipped worldwide and more than 500,000 customers trust Fortinet to protect their businesses.

We are committed to providing reasonable accommodations for all qualified individuals with disabilities. If you require assistance or accommodation due to a disability, please contact us at [e-mail].

Fortinet is an equal opportunity employer. We value diversity in our company, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, military/veteran status or any other applicable legally protected characteristics in the location in which the candidate is applying.