Senior Node.js Developer

Flosum

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

Posted 10/9/2026full-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 scalable microservices. Proficient in CI/CD practices, database optimization, and cloud services, while effectively collaborating with cross-functional teams to enhance product capabilities.

Highest-signal resume keywords

Node.js DevelopmentTypeScript ProficiencyRESTful API DesignSQL and NoSQL Database ExperienceCI/CD Pipeline Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Node.jsTypeScriptRESTful API DesignSQLNoSQLAsynchronous ProgrammingEvent-Driven ArchitectureDatabase Performance OptimizationGit WorkflowsAutomated Testing

Soft Skills

CollaborationCommunicationProblem-Solving

Tools & Technologies

DockerAWSGCPAzureSalesforceDevOps ToolchainsCI/CD Tools

Industry Keywords

Enterprise SaaSB2BCompliance RequirementsSalesforce ISVAppExchange

Tech Stack

Tools & technologies

AWSAzureCloudDockerGoogle Cloud PlatformJavaScriptMicroservicesNode.jsNoSQLSQLTypeScriptVue.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 Salesforce ecosystem integrations
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
Own significant parts of the architecture and ship production code
Collaborate directly with engineering leadership, product managers, and the CEO
Own systems end-to-end and contribute to expanding product capabilities and delivery velocity

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
Deep experience with TypeScript in production codebases
Strong command of RESTful API design, OAuth 2.0, JWT, and enterprise API security best practices
Proven experience with SQL and NoSQL databases, query optimization, data modeling, and database performance at scale
Proficiency with Git workflows, code review practices, automated unit, integration, and end-to-end testing, and CI/CD pipelines
Solid understanding of Docker, cloud services (AWS/GCP/Azure), and infrastructure-as-code principles
Long-term commitment to a full-time engagement; not intended for short-term contractors
Salesforce development experience, Salesforce ISV/AppExchange products, Vue.js, enterprise B2B SaaS, compliance requirements, and DevOps/DevSecOps toolchains are highly preferred

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