Senior Node.js Developer (Poland)

Stack

Responsibilities

• ▹Build high-performance backend services and APIs for enterprise-grade SaaS applications
• ▹Develop scalable, secure Node.js microservices and integrations within the Salesforce ecosystem
• ▹Build modern front-end experiences with Vue.js and TypeScript
• ▹Build CI/CD pipeline tooling, automation frameworks and developer productivity infrastructure
• ▹Real-time data processing and event-driven architectures handling sensitive enterprise data at scale

Requirements

• ▹5+ years of professional Node.js development in production
• ▹Expert understanding of asynchronous programming, event loops, streams and the Node.js runtime
• ▹Deep experience with TypeScript in production codebases
• ▹Strong command of REST API design, authentication patterns (OAuth 2.0, JWT) and API security for enterprise environments
• ▹Experience with SQL and NoSQL databases, query optimization and data modeling
• ▹Proficiency with Git workflows, code review, automated testing (unit, integration, end-to-end) and CI/CD pipelines
• ▹Solid understanding of containerization (Docker), cloud services (AWS/GCP/Azure) and infrastructure-as-code

Nice to have

• ▹Salesforce development experience: Apex, Lightning Web Components (LWC), Visualforce or Salesforce API integrations
• ▹Experience building Salesforce ISV (AppExchange) products
• ▹Vue.js front-end experience, particularly Vue 3 Composition API and state management
• ▹Experience in B2B SaaS with strict compliance requirements (SOC 2, HIPAA, FedRAMP, GDPR)
• ▹Familiarity with DevOps/DevSecOps toolchains in the Salesforce ecosystem

Soft skills

What we offer

• ▹Competitive compensation commensurate with experience and impact
• ▹Direct collaboration with the founding team and engineering leadership
• ▹Profitable, stable company with aggressive growth plans
• ▹Work on enterprise-grade products used by some of the largest organizations in the world
• ▹Remote-first, results-oriented work environment

About the company

Flosum is a bootstrapped, profitable B2B SaaS company building a leading Salesforce-native DevSecOps, data protection and security platform. Its customers include enterprises in heavily regulated industries such as financial services, healthcare, government and insurance. It is a Salesforce Summit Partner and Innovation Award winner.