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N-iX

Senior Node.js Engineer

N-iX
Poland · Full-time · Not Applicable
N-iX is looking for a strong Node.js Software Engineer who is eager to become a part of a big team and develop complex solutions working with UI, AI and server-side data processing and communications.

We have lots of opportunity to grow in different directions alongside front-end and back-end development using JS, Typescript, ExpressJS, React.js, Next.js and AWS services. We run a self-organizing agile team with a strong product lead ownership model using Agile framework where appropriate.

About the client:

Cleverbridge is a platform that provides global e-commerce and subscription billing solutions that help companies build long-term customer relationships and grow revenue streams. With its flexible, cloud-based billing and monetization platform, Cleverbridge integrates seamlessly with client systems, simplifies subscription business models, and delivers an optimized online customer experience.

Responsibilities:

  • Designing & developing GraphQL and RESTful APIs for a modern web application
  • Designing, building, and maintaining performant, efficient, reusable, and reliable code
  • Requirements review and development.
  • PCI DSS standard (four-eyes principle), QA, code review
  • Writing unit and integration tests
  • Problem-solving and root cause analysis
  • Communicating with technical experts, product owners and stakeholders
  • Sharing and developing your own new ideas, techniques and methodologies
  • Working with the different consumers to improve API’s, data usage and integrations.

Requirements:

  • A minimum of 4 years of software development experience
  • Deep understanding of Next.js, Node.js & Typescript
  • Know-how of building APIs from scratch
  • Strong expertise working with databases, particularly PostgreSQL but also understanding of other types of database and their purpose.
  • Experience working with REST & GraphQL APIs
  • Understanding of stateless streaming and event-driven architecture
  • Knowledge of general tools in team works: JIRA, Git, Jenkins, IDEs
  • Expertise with Kubernetes and other serverless AWS offerings
  • Expert experience with unit testing frameworks
  • Confident level of English for daily communication
  • Experience in e-commerce or marketing domains is a plus

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits
  • not applicable for freelancers

Key Skills

Ranked by relevance

graphql aws restful apis kubernetes typescript postgresql serverless reactjs jenkins server cloud jira git dss ai ui
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Country Guide

Poland

Fast-growing Central European IT hub

Posted
Sep 10, 2025
Type
Full-time
Level
Not Applicable
Location
Poland
Company
N-iX

Industries

Software Development

Categories

Engineering

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