Senior Node.js Developer

Flosum

. Build high-performance backend services and APIs for enterprise-grade SaaS applications .

Posted 10/23/2026full-timeRemote • UkraineSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building high-performance backend services and APIs for enterprise-grade SaaS applications, with a strong focus on Node.js, TypeScript, and Salesforce integrations. Proficient in CI/CD pipeline tooling and real-time data processing within secure environments.

Highest-signal resume keywords

Node.js DevelopmentTypeScript ProficiencyRESTful API DesignSQL and NoSQL DatabasesSalesforce Development Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Node.jsTypeScriptRESTful API DesignSQLNoSQLAsynchronous ProgrammingEvent-Driven ArchitectureGit WorkflowsAutomated TestingDocker

Tools & Technologies

CI/CD PipelinesAWSGCPAzureSalesforce APIDevOps Toolchains

Industry Keywords

B2B SaaSEnterprise CustomersCompliance RequirementsSalesforce ISVAppExchange

Tech Stack

Tools & technologies

AWSAzureCloudDockerGoogle Cloud PlatformJavaScriptMicroservicesNode.jsNoSQLSQLTypeScriptVisualforceVue.js

About the role

Key responsibilities & impact

Build high-performance backend services and APIs for enterprise-grade SaaS applications
Develop scalable, secure Node.js microservices and integrations within the Salesforce ecosystem
Create modern front-end experiences using Vue.js and TypeScript
Build CI/CD pipeline tooling, automation frameworks, and developer productivity infrastructure
Implement real-time data processing and event-driven architectures for sensitive enterprise data at scale
Work directly with engineering leadership, product managers, and the CEO
Own significant parts of the architecture and ship production code used by enterprise customers
Own systems end-to-end and contribute to the company’s growth

Requirements

What you’ll need

5+ years of professional Node.js development in production environments
Expert-level understanding of asynchronous programming, event loops, streams, and the Node.js runtime
Understanding of backpressure, setImmediate, process.nextTick, and unhandled promise rejections
Deep experience with TypeScript in production codebases
Strong command of RESTful API design, OAuth 2.0, JWT, and API security best practices
Proven experience with SQL and NoSQL databases, query optimization, and data modeling
Proficiency with Git workflows, code review, automated testing, and CI/CD pipelines
Solid understanding of Docker, cloud services (AWS/GCP/Azure), and infrastructure-as-code principles
Salesforce development experience, Apex, Lightning Web Components, Visualforce, or Salesforce API integrations preferred
Experience with Salesforce ISV (AppExchange) products preferred
Vue.js, Vue 3 Composition API, and state management experience preferred
Experience in B2B SaaS companies serving enterprise customers with strict compliance requirements preferred
Familiarity with DevOps/DevSecOps toolchains in the Salesforce ecosystem preferred
Long-term commitment to a full-time engagement

Benefits

Comp & perks

Competitive compensation commensurate with your experience and impact
Direct collaboration with the founding team and engineering leadership — your voice will carry weight from day one
A profitable, stable company with aggressive growth plans — no funding anxiety, no runway clock
The opportunity to work on enterprise-grade products used by some of the largest organizations in the world
Meaningful technical challenges: security, compliance, scale, and reliability at the intersection of Node.js and Salesforce
A culture that rewards ownership, speed, and craftsmanship over politics and hierarchy
Remote-first flexibility with a results-oriented work environment