Staff Software Engineer (Hybrid)

About KnowBe4

Join the cybersecurity company that puts security first; literally and without compromise. At KnowBe4, our AI-driven Human Risk Management platform empowers over 70,000 organizations worldwide to strengthen their security culture and transform their workforce from their biggest vulnerability into their strongest security asset. As the undisputed industry standard with unusually high customer retention rates and recognition as a Leader by G2 and TrustRadius, we're not just providing security awareness training - we're redefining what it means to be a trusted security partner in an increasingly complex threat landscape.

Our team values radical transparency, extreme ownership, and continuous professional development in a welcoming workplace that encourages all employees to be themselves. Whether working remotely or in-person, we strive to make every day fun and engaging; from team lunches to trivia competitions to local outings, there is always something exciting happening at KnowBe4.

We are seeking a Staff Software Engineer to join the KSAT Architecture Team — the engineering powerhouse behind our core product. This is a full-stack role requiring mastery of a Ruby on Rails backend, modern front-end technologies (Vue 3+, Svelte), and complex AWS infrastructure. As a Staff Engineer, you are a technical leader in day-to-day operations. This is not a people-management role; instead, you will drive direction through architectural ownership, high-impact code contributions, and cross-team influence. You will navigate a platform ecosystem & microservices, many of which are deployed across 6 AWS regions, ensuring we meet rigorous FedRAMP Moderate, SOC 2, and ISO 27001 standards.This individual in this role is responsible for developing new and exciting products for KnowBe4’s customers, alongside other engineers in a fast-paced, agile development environment.

Requirements:

• Architectural Leadership: Own the evolution of major subsystems, including GraphQL APIs, event-driven service communication (EventBridge/SQS), and data scaling.

• Full-Stack Development: Deliver primary technical contributions across Ruby/Rails APIs, SvelteKit/TypeScript frontends, and AWS serverless infrastructure.

• Scaling Operations: Optimize our serverless background processing framework, currently supporting 400+ Lambda-backed workers.

• Data Strategy: Architect multi-tenant patterns across MySQL, PostgreSQL, DynamoDB, and Redis while maintaining strict tenant isolation and compliance.

• Cross-Functional Coordination: Translate strategic goals into technical roadmaps, collaborating with Product, Security, and Infrastructure teams.

• Mentorship: Set the bar for code quality and architectural patterns through rigorous reviews and technical guidance for senior engineers.

Qualifications:

• BS + 10 years of experience OR

• MS + 5 years of experience OR

• Ph.D. + 4 years of experience

• Backend & Systems: 5+ years of scaling production Ruby on Rails apps. Expertise in GraphQL (batch loading, complexity management) and relational database tuning (MySQL/Postgres) for high-traffic multi-tenant systems.

• Frontend Mastery: Proficiency in modern frameworks (Vue Preferred, Sveltekit or React) and strict TypeScript. Proven ability to lead large-scale frontend migrations using Vite and Tailwind CSS.

• Cloud: Deep experience with AWS (ECS/Fargate, Lambda, EventBridge, S3). Strong proficiency with Terraform for Infrastructure-as-Code and GitLab CI/CD.

• Distributed Systems: Experience designing event-driven architectures and managing asynchronous processing at scale.

• Leadership: Demonstrated experience at the Staff level—writing Architecture Decision Records (ADRs) and building for compliance-regulated environments (FedRAMP/SOC 2).

Our Fantastic Benefits

We offer company-wide bonuses based on monthly sales targets, employee referral bonuses, adoption assistance, tuition reimbursement, certification reimbursement, and certification completion bonuses - all in a modern, high-tech, and fun work environment. For more details about our benefits in each office location, please visit www.knowbe4.com/careers/benefits.

Note: An applicant assessment and background check may be part of your hiring procedure.

Individuals seeking employment at KnowBe4 are considered without prejudice to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, sexual orientation or any other characteristic protected under applicable federal, state, or local law. If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please visit www.knowbe4.com/careers/request-accommodation.

No recruitment agencies, please.