Senior Fullstack Developer (Node.js)

Location: Remote from the Netherlands

Company

Flosum is a profitable B2B SaaS company building a Salesforce-native DevSecOps, data protection, and security platform for enterprise customers in regulated industries.

What you will do

• Build and maintain high-performance backend services and RESTful APIs for enterprise SaaS applications.
• Develop scalable Node.js microservices and integrations within the Salesforce ecosystem.
• Create modern front-end experiences with Vue.js and TypeScript, including Vue 3 Composition API applications.
• Design real-time data processing and event-driven architectures for sensitive enterprise data.
• Build CI/CD tooling, automation frameworks, and developer productivity infrastructure.
• Collaborate directly with engineering leadership, product managers, and the CEO while owning systems end to end.

Requirements

• 5+ years of professional Node.js development in production environments.
• Expert understanding of asynchronous programming, event loops, streams, backpressure, and the Node.js runtime.
• Deep production experience with TypeScript, RESTful API design, OAuth 2.0, JWT, and enterprise API security.
• Experience with SQL and NoSQL databases, query optimization, data modeling, automated testing, Git workflows, and CI/CD pipelines.
• Understanding of Docker, cloud services such as AWS, GCP, or Azure, and infrastructure-as-code principles.
• Remote work must be performed from the Netherlands.

Nice to have

• Salesforce development experience with Apex, Lightning Web Components, Visualforce, or Salesforce API integrations.
• Experience building Salesforce ISV or AppExchange products.
• Experience with Vue.js, especially Vue 3 Composition API and state management.
• Background in B2B SaaS for enterprise customers with SOC 2, HIPAA, FedRAMP, or GDPR requirements.
• Familiarity with DevOps and DevSecOps toolchains in the Salesforce ecosystem.

Culture & Benefits

• Long-term, full-time employment rather than short-term contracting.
• Remote-first flexibility in a results-oriented environment.
• Direct collaboration with the founding team and engineering leadership.
• Work on enterprise-grade products used by Fortune 500 organizations.
• A culture focused on ownership, speed, craftsmanship, security, compliance, and reliability.
• Competitive compensation based on experience and impact.