Senior Node.js Developer

Flosum

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

Posted 11/4/2026full-timeRemote • PortugalSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building high-performance backend services and APIs for enterprise-grade SaaS applications, with a strong focus on Node.js, TypeScript, and scalable microservices. Proven ability to implement CI/CD pipelines and real-time data processing while collaborating effectively with engineering leadership and product teams.

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 ArchitectureCI/CD PipelinesGit WorkflowsOAuth 2.0

Tools & Technologies

SalesforceDockerAWSGCPAzure

Industry Keywords

B2B SaaSEnterprise CustomersCompliance RequirementsSalesforce ISV/AppExchange

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 and secure Node.js microservices and Salesforce ecosystem integrations
Build modern front-end experiences using Vue.js and TypeScript
Create 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 production experience with TypeScript
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 reviews, automated unit, integration, and end-to-end testing, and CI/CD pipelines
Understanding of Docker, cloud services such as AWS, GCP, or 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 serving enterprise customers with compliance requirements preferred
Familiarity with Salesforce DevOps/DevSecOps toolchains preferred
Long-term, full-time commitment; not seeking short-term contractors

Benefits

Comp & perks

Competitive compensation commensurate with your experience and impact
Direct collaboration with the founding team and engineering leadership
Profitable, stable company with aggressive growth plans
Opportunity to work on enterprise-grade products used by large organizations
Meaningful technical challenges involving security, compliance, scale, and reliability
Culture that rewards ownership, speed, and craftsmanship
Remote-first flexibility with a results-oriented work environment