Senior Node.js Engineer - Enterprise, Remote-First

Flosum; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Flosum, a profitable B2B SaaS company building Salesforce-native DevSecOps and security platform, seeks senior Node.js developers to own large parts of our architecture. You will work with engineering leaders, product managers, and the CEO to deliver production-ready code trusted by Fortune 500 customers.

You will build high-performance backend services, scalable Node.js microservices, and modern front-end experiences with Vue.js and TypeScript, while shaping CI/CD tooling and real-time data

Qualifications

• 5+ years of professional Node.js development in production environments.
• Expert-level understanding of asynchronous programming, event loops, streams, and the Node.js runtime.
• Production code experience with TypeScript in typed codebases.
• Strong RESTful API design and API security practices for enterprise environments.
• Experience with OAuth 2.0 and JWT authentication patterns.
• Experience with SQL and NoSQL databases and data modeling at scale.
• Familiarity with Git workflows and automated testing and CI/CD.
• Solid understanding of Docker and cloud services (AWS/GCP/Azure) and IaC principles.

Responsibilities

• Develop high-performance backend services and APIs powering enterprise SaaS products.
• Build scalable Node.js microservices and Salesforce ecosystem integrations.
• Deliver modern frontend experiences using Vue.js and TypeScript for enterprise users.
• Contribute to CI/CD tooling, automation frameworks, and developer productivity infrastructure.
• Handle real-time data processing and event-driven architectures ensuring security and reliability.

Skills

Node.js

TypeScript

REST API design

OAuth 2

JWT

SQL

NoSQL

Docker

AWS

GCP

Tools

Docker

Git

CI/CD

Job description

Flosum, a profitable B2B SaaS company building Salesforce-native DevSecOps and security platform, seeks senior Node.js developers to own large parts of our architecture. You will work with engineering leaders, product managers, and the CEO to deliver production-ready code trusted by Fortune 500 customers.

You will build high-performance backend services, scalable Node.js microservices, and modern front-end experiences with Vue.js and TypeScript, while shaping CI/CD tooling and real-time data