Senior Node.js Developer (Ukraine)

Stack

Responsibilities

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

Requirements

• ▹5+ years of professional Node.js development in production environments
• ▹Expert-level understanding of asynchronous programming, event loops, streams, and the Node.js runtime
• ▹Deep experience with TypeScript in production codebases
• ▹Strong command of RESTful API design, authentication patterns (OAuth 2.0, JWT), and API security
• ▹Proven experience with SQL and NoSQL databases, query optimization, and data modeling
• ▹Proficiency with Git workflows, code review, automated testing (unit, integration, e2e), 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, Salesforce API integrations
• ▹Experience building or contributing to Salesforce ISV (AppExchange) products
• ▹Vue.js front-end development experience

Soft skills

About the company

Flosum is a bootstrapped, profitable B2B SaaS company building the leading Salesforce-native DevSecOps, Data Protection, and Security platform, trusted by Fortune 500 enterprises in heavily regulated industries such as financial services, healthcare, government, and insurance.