Senior Node.js Developer (Ukraine)

About the Position

Flosum is a profitable B2B SaaS company that builds a Salesforce-native DevSecOps, Data Protection, and Security platform. They are looking for senior Node.js developers to create high-performance backend services and APIs for enterprise applications. This position offers the chance to directly impact large-scale system architecture with significant engagement from the founding team.

Responsibilities5

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

Requirements7

• 5+ years of professional Node.js development in production environments
• Expert-level understanding of asynchronous programming and the Node.js runtime
• Deep experience with TypeScript in production codebases
• Strong command of RESTful API design and authentication patterns
• Proven experience with SQL and NoSQL databases, query optimization, data modeling
• Proficiency with Git workflows, code review practices, and CI/CD pipelines
• Solid understanding of containerization (Docker), cloud services (AWS/GCP/Azure)

Benefits6

• Competitive compensation commensurate with experience
• Direct collaboration with the founding team and engineering leadership
• A profitable, stable company with aggressive growth plans
• Opportunity to work on enterprise-grade products
• Meaningful technical challenges in security, compliance, scale, and reliability
• Remote-first flexibility with a results-oriented work environment