Senior/Staff Software Development Engineer
Read straight from Fortinet's careers page, verified 1d ago.Seekless can tailor your résumé to it.
Seekless can write your résumé for this posting first.
Before you apply
Salary$150k – $183k
LocationSunnyvale, CA, United States
Work modehybrid
Typefull-time
SeniorityLead
Experience5+ yrs
DepartmentSoftware Development
EquityIncluded
Company size10,000+ people
First seenOct 4, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
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
Web Application Firewall (WAF) or cybersecurity product experience
Network security infrastructure management interfaces
ToB/Enterprise admin interface design patterns
Enterprise design systems (Material UI, etc.)
Data visualization libraries (D3.js)
CI/CD pipeline configuration
Container orchestration (Kubernetes, Docker)
Open source contributions
Technical blog posts or conference speaking experience
Must be authorized to work in the U.S. without sponsorship
Skills
Angular 14+
AngularJS 1.x
React 18
TypeScript 5+
JavaScript ES2022+
RxJS 7+
MobX/Redux
SCSS
CSS Variables
Webpack
Vite
Angular CLI
Jasmine
Karma
Jest
Git
pnpm/Yarn
ESLint
Prettier
Material UI
D3.js
Kubernetes
Docker
Benefits
Health insurance
Dental insurance
Vision insurance
Life insurance
Disability insurance
401(k)
Paid holidays
Vacation time
Sick time
Equity
Senior/Staff Software Development Engineer
Location: Sunnyvale, CA, United States (Hybrid)
Job Identification: 24540
Job Category: Software Development
Posting Date: 10/02/2026, 08:00 PM
Job Schedule: Full time
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
Additional Requirements
•
Must be authorized to work in the U.S. without sponsorship.
Compensation & Benefits
•
US Base Salary Range: $150,000 - $183,000 (full-time)
•
Benefits: Medical, dental, vision, life and disability insurance, 401(k), 11 paid holidays, vacation time, sick time, comprehensive leave program
•
Equity: All roles are eligible to participate in the Fortinet equity program
•
Bonus: Eligibility reviewed at the time of hire and annually at the Company’s discretion
•
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.
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.
About Us
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.
Legal
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 [email protected].
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.