Newxel

Backend Developer – Node.js

Newxel

full-time

Posted on:

Location Type: Remote

Location: Ukraine

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Tech Stack

JavaScriptMongoDBNode.js

About the role

  • Design and develop scalable RESTful APIs for mobile and web applications
  • Build and maintain modular content systems with flexible schemas and validation rules
  • Work with complex MongoDB data models, aggregations, and indexes
  • Develop content processing pipelines (lyrics analysis, translations, synchronization)
  • Implement content management workflows, including approval and moderation flows
  • Optimize database performance and backend services at scale
  • Integrate third-party services (music APIs, payment providers, AI translation models)
  • Collaborate closely with frontend and mobile teams to deliver seamless user experiences

Requirements

  • 5+ years of experience in backend development using Node.js
  • Deep experience with MongoDB (schema design, aggregations, indexing)
  • Proven experience building and documenting RESTful APIs
  • Solid understanding of authentication and authorization patterns
  • Experience with queues and background job processing
  • Strong data modeling skills for complex relationships
  • Comfortable working with Git and collaborative development workflows
  • Experience with AI/ML integrations (translation, speech, or language models) is a plus
Benefits
  • Competitive salary and benefits package
  • Medical insurance
  • Top equipment kit
  • Full remote
  • Career growth and learning opportunities
  • A chance to work with a talented and driven team of professionals

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
Node.jsMongoDBRESTful APIsauthentication patternsauthorization patternsdata modelingqueuesbackground job processingAI integrationscontent processing pipelines
Soft skills
collaborationcommunication