Sr. Full Stack Engineer
Lacework
Software Engineering
Sunnyvale, CA, USA
USD 160k-200k / year + Equity
Posted on Dec 31, 2025
What You’ll Do
- Design, build, and maintain data-rich web-based user interfaces for cloud security products
- Contribute to backend systems and services (e.g., APIs, proxies, SQL-based services) that support large-scale data processing
- Drive architectural and technical decisions to ensure scalability, reliability, and performance
- Build and evolve data models and query systems, including graph-based representations of complex relationships where applicable
- Collaborate closely with UX designers, backend engineers, and product managers to deliver intuitive and impactful security features
- Balance speed and quality while delivering features in a fast-paced, evolving product environment
- Communicate designs, trade-offs, and outcomes clearly to peers and leadership
- Participate in recruiting, onboarding, and mentoring engineers
- Stay current with modern engineering tools, frameworks, and best practices
Minimum Qualifications
- Bachelor’s degree in a quantitative field (Computer Science, Engineering, Mathematics, Statistics, or related discipline)
- 5+ years of experience building and operating SaaS applications on modern cloud platforms
- Strong experience developing and maintaining web-based user interfaces
- Experience contributing to backend systems (e.g., APIs, services, SQL-based data stores)
- Proven experience building data-intensive or distributed systems
- Familiarity with modern software delivery practices, including CI/CD, monitoring, and observability
- Ability to work effectively in ambiguous problem spaces, driving design and implementation with limited supervision
- Strong written and verbal communication skills
Preferred Qualifications
- Experience with cloud security, infrastructure security, or related domains
- Experience processing and querying large-scale datasets, with attention to performance, cost, and efficiency
- Familiarity with cloud-based data warehouses (e.g., Snowflake, Redshift)
- Experience with graph-based data modeling or graph databases (e.g., Neo4j or similar technologies)
- Experience building or integrating graph query engines to model complex relationships and access paths
- Experience working in high-growth or product-driven SaaS environments
Why Join Fortinet
- Build mission-critical cloud security products with real customer impact
- Work on complex, large-scale systems that require strong engineering judgment
- Collaborate with talented engineers, designers, and product leaders
- Influence architecture, product direction, and engineering best practices
The US base salary range for this full-time position is $160,000-$200,000. 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 660,000+ 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 accommodations@fortinet.com.
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.
At Fortinet, we are on a mission to revolutionize cloud security. Join a team of highly skilled engineers at the forefront of building innovative solutions that help customers secure their cloud environments at scale. In this role, you will drive key architectural and development decisions to build reliable, scalable, and cutting-edge cloud security solutions. You will work across the stack, designing and implementing data-rich, web-based user interfaces while also contributing to backend systems that power complex security analytics. This is a highly product-focused role, ideal for an engineer who enjoys solving ambiguous problems, working with complex datasets, and collaborating closely with UX, backend, and platform teams.