Middle/Senior Node.js Developer (AdTech) Cluj-Napoca

Middle/Senior Node.js Developer (AdTech)
Cluj-Napoca
Cluj-Napoca, Cluj County, Romania

Job Description

• Design and develop Node. js microservices to support
  - load Ad
  Tech workflows 
• Implement and maintain security best practices, including IAM, RBAC, OAuth2, and related standards 
• Integrate external APIs, data pipelines, and payment systems into the platform 
• Optimize Back-end services for performance, scalability, and reliability 
• Collaborate closely with Front-end, BI, and AI/ML teams to deliver
  -
  - end solutions 

• At least 4 years of
  - on experience with Node. js 
• Strong proficiency in Type
  Script 
• Hands-on experience building REST/Graph
  QL APIs 
• Solid background working with both SQL and No
  SQL databases 
• Understanding of microservices architecture, distributed systems, and cloud platforms (AWS preferred) 
• Strong knowledge of security principles, including authentication, authorization, and data privacy 
• At least an Upper-Intermediate level of English 

Would be a plus: 

• Experience with containerization technologies (Docker, Kubernetes) 
• Background in the Ad
  Tech domain or other
  - load system environments 
• Familiarity with data processing tools such as Kafka or Spark 
• Experience with Vue. js