Senior Software Engineer
KnowBe4
| Company | KnowBe4 |
| Category | Engineering |
| Location | São Paulo |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Senior |
| Salary | Not stated by the employer |
| Posted | 17 Jul 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (greenhouse) |
Description
KnowBe4 empowers the modern workforce to make smarter security decisions every day. Trusted by more than 70,000 organizations worldwide, KnowBe4 is the pioneer of digital workforce security, securing both AI agents and humans. The KnowBe4 Platform provides attack simulation and training, collaboration security, and agent security powered by AIDA (Artificial Intelligence Defense Agents) and a proprietary Risk Score. The platform leverages 15-years of behavioral data to combat advanced threats including social engineering, prompt injection, and shadow AI. By securing humans and agents, KnowBe4 leads the industry in workforce trust and defense.
Please submit your resume in English.
To learn more about our team and office culture in São Paulo, Brazil, visit the following links. Careers Page: https://www.knowbe4.com/careers/locations/sao-paulo Glassdoor : https://www.glassdoor.com/Location/KnowBe4-S%C3%A3o-Paulo-Location-EI_IE969384.0,7_IL[…]M_-C1lsxoZq7Cx8IriVE8MkrzuTmnJzqego77RAWZz9sqGt_55BflwYKpQeg LinkedIn : https://www.linkedin.com/company/knowbe4/life/brazil/
About the Team
We are seeking a Senior Software Engineer to join one of the engineering teams building KnowBe4's core Security Awareness Training product. This is a full-stack role centered on a Ruby on Rails backend, modern front-end technologies (Vue 3, SvelteKit), and AWS cloud infrastructure.
As a Senior Engineer, you are a strong individual contributor who owns features end-to-end from design through delivery and operation. You'll work alongside other engineers in a fast-paced, agile environment, building and scaling a multi-tenant platform deployed in a fast-paced, agile environment, building and scaling a multi-tenant platform deployed across our AWS regions under rigorous FedRAMP Moderate, SOC 2, and ISO 27001 standards. Our front-end is actively evolving — we're rewriting our micro-frontends (MFEs) to Vue 3 — so you'll both work in our current SvelteKit codebase and help build the Vue 3 future. You lead through high-quality code, sound technical judgment, and by raising the bar for the engineers around you.
What You'll Build
Full-stack product features — Ruby on Rails APIs, GraphQL endpoints, and Vue 3 / SvelteKit + TypeScript front-ends that ship real value to a global customer base
The Vue 3 front-end — contributing to the rewrite of our micro-frontends (MFEs) onto Vue 3, while maintaining and evolving the existing SvelteKit application
GraphQL APIs — schema design, batch loading, and query complexity management for high-traffic, multi-tenant access patterns
Event-driven services — EventBridge/SQS-based communication between microservices, with an emphasis on idempotency and reliable asynchronous processing
Serverless background processing — contributing to and optimizing our Lambda-backed worker framework (400+ workers) that powers the product's async workload
Multi-tenant data layers — working across MySQL, PostgreSQL, DynamoDB, and Redis while maintaining strict tenant isolation and compliance guarantees
Infrastructure-as-Code — Terraform modules and GitLab CI/CD pipelines that provision and deploy services across multiple environments and regions
Education and Experience
BS or equivalent plus 5 years of experience
MS or equivalent plus 3 years of experience
Ph.D. or equivalent plus 2 years of experience
Essential Responsibilities
Develops software using the KnowBe4 Software Development Lifecycle and Agile methodologies
Designs and delivers features end to end, with limited supervision
Solves complex technical problems and contributes to design discussions
Writes rigorous code reviews and provides technical guidance to less-experienced engineers
Collaborates with Product and other engineering teams to deliver against the roadmap
Helps maintain the q
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