Senior Fullstack Engineer

🔥 0 minutes ago

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

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Foresite Cybersecurity

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2013

💼 Consulting

🔒 Cybersecurity

☁️ SaaS

💰 Venture Round - Foresite on 2019-01

Consulting • Cybersecurity • SaaS

Foresite Cybersecurity is a managed security services and SecOps company founded in 2013 that helps organizations of all sizes defend against modern cyber threats. It combines human cybersecurity expertise, a proprietary security and compliance management platform (ProVision), and partnerships with cloud providers (notably Google Cloud) and AI technologies to deliver monitoring, incident response, compliance, and security automation as a service. Foresite positions itself as a B2B partner and extension of clients' security teams, serving thousands of customers with managed detection and response, SOC services, and security engineering.

📋 Description

• Architect and build front-end features for a multi-tenant SaaS platform using React.js and TypeScript • Work across the full stack, owning backend integrations and data access patterns end-to-end • Build and maintain a shared component library across the client base • Partner with product, design, and backend engineers to ship production-ready features • Integrate with PostgreSQL and NoSQL data stores through backend service layers • Design, consume, and extend RESTful APIs • Conduct code reviews and enforce engineering standards • Own deployments, debugging, performance tuning, and production health • Drive architectural decisions and contribute to engineering roadmap planning • Mentor junior and mid-level engineers • Identify and address performance bottlenecks across front-end and API layers • Apply security-conscious practices around authentication, RBAC, and multi-tenant data isolation • Participate in Agile ceremonies including sprint planning, standups, reviews, and retrospectives • Document work and contribute to knowledge sharing

🎯 Requirements

• 5+ years of professional experience in Full Stack development • Clear specialization in front-end architecture for complex B2B SaaS or Cybersecurity platforms • Deep proficiency in React 18/19 and TypeScript • Comfort with React Router v7 and modern routing patterns • Understanding of XSS, CSRF, injection attacks, and modern web security • Experience designing schemas and writing queries across PostgreSQL and Firestore • Familiarity with modern ORMs • Use of runtime validation to enforce data integrity at system boundaries • Experience with multi-tenant architectures • Experience implementing robust RBAC/ABAC models and strict data isolation • Proficiency with Vitest and Testing Library • Proficiency with Playwright for critical E2E flows • Comfort with CI/CD pipelines, Git, and Stacked PRs • Comfort consuming third-party APIs and writing backend integrations • Understanding of API contracts, webhook reliability, and data consistency across services • Cybersecurity background is nice to have • Security-first approach and familiarity with the OWASP Top 10 are nice to have

🏖️ Benefits

• Humans-first culture • Well-being is a priority • Google Cloud Premier SecOps Partnership • Radical transparency culture